Merge pull request #6088 from murgatroid99/proto_gen_build_yaml_well_known_types

Handle google/protobuf includes in src/proto
diff --git a/BUILD b/BUILD
index fbe69f3..fa9a120 100644
--- a/BUILD
+++ b/BUILD
@@ -103,20 +103,6 @@
     "src/core/lib/support/wrap_memcpy.c",
   ],
   hdrs = [
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
     "include/grpc/support/alloc.h",
     "include/grpc/support/atm.h",
     "include/grpc/support/atm_gcc_atomic.h",
@@ -145,6 +131,20 @@
     "include/grpc/support/tls_msvc.h",
     "include/grpc/support/tls_pthread.h",
     "include/grpc/support/useful.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
   ],
   includes = [
     "include",
@@ -159,58 +159,14 @@
 cc_library(
   name = "grpc",
   srcs = [
-    "src/core/ext/census/aggregation.h",
-    "src/core/ext/census/census_interface.h",
-    "src/core/ext/census/census_rpc_stats.h",
-    "src/core/ext/census/grpc_filter.h",
-    "src/core/ext/census/mlog.h",
-    "src/core/ext/census/rpc_metric_id.h",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/ext/transport/chttp2/transport/alpn.h",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
-    "src/core/ext/transport/chttp2/transport/frame.h",
-    "src/core/ext/transport/chttp2/transport/frame_data.h",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
-    "src/core/ext/transport/chttp2/transport/frame_ping.h",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
-    "src/core/ext/transport/chttp2/transport/frame_settings.h",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
-    "src/core/ext/transport/chttp2/transport/hpack_table.h",
-    "src/core/ext/transport/chttp2/transport/http2_errors.h",
-    "src/core/ext/transport/chttp2/transport/huffsyms.h",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
-    "src/core/ext/transport/chttp2/transport/internal.h",
-    "src/core/ext/transport/chttp2/transport/status_conversion.h",
-    "src/core/ext/transport/chttp2/transport/stream_map.h",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
-    "src/core/ext/transport/chttp2/transport/varint.h",
     "src/core/lib/channel/channel_args.h",
     "src/core/lib/channel/channel_stack.h",
     "src/core/lib/channel/channel_stack_builder.h",
-    "src/core/lib/channel/client_channel.h",
     "src/core/lib/channel/compress_filter.h",
     "src/core/lib/channel/connected_channel.h",
     "src/core/lib/channel/context.h",
     "src/core/lib/channel/http_client_filter.h",
     "src/core/lib/channel/http_server_filter.h",
-    "src/core/lib/channel/subchannel_call_holder.h",
-    "src/core/lib/client_config/client_config.h",
-    "src/core/lib/client_config/connector.h",
-    "src/core/lib/client_config/initial_connect_string.h",
-    "src/core/lib/client_config/lb_policy.h",
-    "src/core/lib/client_config/lb_policy_factory.h",
-    "src/core/lib/client_config/lb_policy_registry.h",
-    "src/core/lib/client_config/resolver.h",
-    "src/core/lib/client_config/resolver_factory.h",
-    "src/core/lib/client_config/resolver_registry.h",
-    "src/core/lib/client_config/subchannel.h",
-    "src/core/lib/client_config/subchannel_factory.h",
-    "src/core/lib/client_config/subchannel_index.h",
-    "src/core/lib/client_config/uri_parser.h",
     "src/core/lib/compression/algorithm_metadata.h",
     "src/core/lib/compression/message_compress.h",
     "src/core/lib/debug/trace.h",
@@ -257,15 +213,6 @@
     "src/core/lib/json/json_common.h",
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
-    "src/core/lib/security/auth_filters.h",
-    "src/core/lib/security/b64.h",
-    "src/core/lib/security/credentials.h",
-    "src/core/lib/security/handshake.h",
-    "src/core/lib/security/json_token.h",
-    "src/core/lib/security/jwt_verifier.h",
-    "src/core/lib/security/secure_endpoint.h",
-    "src/core/lib/security/security_connector.h",
-    "src/core/lib/security/security_context.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
     "src/core/lib/surface/call_test_only.h",
@@ -285,80 +232,76 @@
     "src/core/lib/transport/static_metadata.h",
     "src/core/lib/transport/transport.h",
     "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
     "src/core/lib/tsi/fake_transport_security.h",
     "src/core/lib/tsi/ssl_transport_security.h",
     "src/core/lib/tsi/ssl_types.h",
     "src/core/lib/tsi/transport_security.h",
     "src/core/lib/tsi/transport_security_interface.h",
-    "src/core/ext/census/context.c",
-    "src/core/ext/census/grpc_context.c",
-    "src/core/ext/census/grpc_filter.c",
-    "src/core/ext/census/grpc_plugin.c",
-    "src/core/ext/census/initialize.c",
-    "src/core/ext/census/mlog.c",
-    "src/core/ext/census/operation.c",
-    "src/core/ext/census/placeholders.c",
-    "src/core/ext/census/tracing.c",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/ext/lb_policy/pick_first/pick_first.c",
-    "src/core/ext/lb_policy/round_robin/round_robin.c",
-    "src/core/ext/resolver/dns/native/dns_resolver.c",
-    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
-    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
-    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
-    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
-    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
-    "src/core/ext/transport/chttp2/transport/alpn.c",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
-    "src/core/ext/transport/chttp2/transport/frame_data.c",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
-    "src/core/ext/transport/chttp2/transport/frame_ping.c",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
-    "src/core/ext/transport/chttp2/transport/frame_settings.c",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
-    "src/core/ext/transport/chttp2/transport/hpack_table.c",
-    "src/core/ext/transport/chttp2/transport/huffsyms.c",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
-    "src/core/ext/transport/chttp2/transport/parsing.c",
-    "src/core/ext/transport/chttp2/transport/status_conversion.c",
-    "src/core/ext/transport/chttp2/transport/stream_lists.c",
-    "src/core/ext/transport/chttp2/transport/stream_map.c",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
-    "src/core/ext/transport/chttp2/transport/varint.c",
-    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
     "src/core/lib/channel/channel_args.c",
     "src/core/lib/channel/channel_stack.c",
     "src/core/lib/channel/channel_stack_builder.c",
-    "src/core/lib/channel/client_channel.c",
     "src/core/lib/channel/compress_filter.c",
     "src/core/lib/channel/connected_channel.c",
     "src/core/lib/channel/http_client_filter.c",
     "src/core/lib/channel/http_server_filter.c",
-    "src/core/lib/channel/subchannel_call_holder.c",
-    "src/core/lib/client_config/client_config.c",
-    "src/core/lib/client_config/connector.c",
-    "src/core/lib/client_config/default_initial_connect_string.c",
-    "src/core/lib/client_config/initial_connect_string.c",
-    "src/core/lib/client_config/lb_policy.c",
-    "src/core/lib/client_config/lb_policy_factory.c",
-    "src/core/lib/client_config/lb_policy_registry.c",
-    "src/core/lib/client_config/resolver.c",
-    "src/core/lib/client_config/resolver_factory.c",
-    "src/core/lib/client_config/resolver_registry.c",
-    "src/core/lib/client_config/subchannel.c",
-    "src/core/lib/client_config/subchannel_factory.c",
-    "src/core/lib/client_config/subchannel_index.c",
-    "src/core/lib/client_config/uri_parser.c",
     "src/core/lib/compression/compression_algorithm.c",
     "src/core/lib/compression/message_compress.c",
     "src/core/lib/debug/trace.c",
     "src/core/lib/http/format_request.c",
     "src/core/lib/http/httpcli.c",
-    "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/http/parser.c",
     "src/core/lib/iomgr/closure.c",
     "src/core/lib/iomgr/endpoint.c",
@@ -403,6 +346,56 @@
     "src/core/lib/json/json_reader.c",
     "src/core/lib/json/json_string.c",
     "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/security/b64.c",
     "src/core/lib/security/client_auth_filter.c",
     "src/core/lib/security/credentials.c",
@@ -417,53 +410,76 @@
     "src/core/lib/security/security_connector.c",
     "src/core/lib/security/security_context.c",
     "src/core/lib/security/server_auth_filter.c",
-    "src/core/lib/surface/alarm.c",
-    "src/core/lib/surface/api_trace.c",
-    "src/core/lib/surface/byte_buffer.c",
-    "src/core/lib/surface/byte_buffer_reader.c",
-    "src/core/lib/surface/call.c",
-    "src/core/lib/surface/call_details.c",
-    "src/core/lib/surface/call_log_batch.c",
-    "src/core/lib/surface/channel.c",
-    "src/core/lib/surface/channel_connectivity.c",
-    "src/core/lib/surface/channel_init.c",
-    "src/core/lib/surface/channel_ping.c",
-    "src/core/lib/surface/channel_stack_type.c",
-    "src/core/lib/surface/completion_queue.c",
-    "src/core/lib/surface/event_string.c",
-    "src/core/lib/surface/init.c",
     "src/core/lib/surface/init_secure.c",
-    "src/core/lib/surface/lame_client.c",
-    "src/core/lib/surface/metadata_array.c",
-    "src/core/lib/surface/server.c",
-    "src/core/lib/surface/validate_metadata.c",
-    "src/core/lib/surface/version.c",
-    "src/core/lib/transport/byte_stream.c",
-    "src/core/lib/transport/connectivity_state.c",
-    "src/core/lib/transport/metadata.c",
-    "src/core/lib/transport/metadata_batch.c",
-    "src/core/lib/transport/static_metadata.c",
-    "src/core/lib/transport/transport.c",
-    "src/core/lib/transport/transport_op_string.c",
     "src/core/lib/tsi/fake_transport_security.c",
     "src/core/lib/tsi/ssl_transport_security.c",
     "src/core/lib/tsi/transport_security.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
     "src/core/plugin_registry/grpc_plugin_registry.c",
   ],
   hdrs = [
     "include/grpc/byte_buffer.h",
     "include/grpc/byte_buffer_reader.h",
-    "include/grpc/census.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
-    "include/grpc/grpc_security.h",
+    "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/compression_types.h",
     "include/grpc/impl/codegen/connectivity_state.h",
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/grpc_security.h",
+    "include/grpc/census.h",
   ],
   includes = [
     "include",
@@ -483,97 +499,16 @@
 
 
 cc_library(
-  name = "grpc_codegen_lib",
-  srcs = [
-  ],
-  hdrs = [
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/status.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
-  ],
-  includes = [
-    "include",
-    ".",
-  ],
-  deps = [
-    "//external:protobuf_compiler",
-  ],
-)
-
-
-
-cc_library(
   name = "grpc_unsecure",
   srcs = [
-    "src/core/ext/census/aggregation.h",
-    "src/core/ext/census/census_interface.h",
-    "src/core/ext/census/census_rpc_stats.h",
-    "src/core/ext/census/grpc_filter.h",
-    "src/core/ext/census/mlog.h",
-    "src/core/ext/census/rpc_metric_id.h",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/ext/transport/chttp2/transport/alpn.h",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
-    "src/core/ext/transport/chttp2/transport/frame.h",
-    "src/core/ext/transport/chttp2/transport/frame_data.h",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
-    "src/core/ext/transport/chttp2/transport/frame_ping.h",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
-    "src/core/ext/transport/chttp2/transport/frame_settings.h",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
-    "src/core/ext/transport/chttp2/transport/hpack_table.h",
-    "src/core/ext/transport/chttp2/transport/http2_errors.h",
-    "src/core/ext/transport/chttp2/transport/huffsyms.h",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
-    "src/core/ext/transport/chttp2/transport/internal.h",
-    "src/core/ext/transport/chttp2/transport/status_conversion.h",
-    "src/core/ext/transport/chttp2/transport/stream_map.h",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
-    "src/core/ext/transport/chttp2/transport/varint.h",
     "src/core/lib/channel/channel_args.h",
     "src/core/lib/channel/channel_stack.h",
     "src/core/lib/channel/channel_stack_builder.h",
-    "src/core/lib/channel/client_channel.h",
     "src/core/lib/channel/compress_filter.h",
     "src/core/lib/channel/connected_channel.h",
     "src/core/lib/channel/context.h",
     "src/core/lib/channel/http_client_filter.h",
     "src/core/lib/channel/http_server_filter.h",
-    "src/core/lib/channel/subchannel_call_holder.h",
-    "src/core/lib/client_config/client_config.h",
-    "src/core/lib/client_config/connector.h",
-    "src/core/lib/client_config/initial_connect_string.h",
-    "src/core/lib/client_config/lb_policy.h",
-    "src/core/lib/client_config/lb_policy_factory.h",
-    "src/core/lib/client_config/lb_policy_registry.h",
-    "src/core/lib/client_config/resolver.h",
-    "src/core/lib/client_config/resolver_factory.h",
-    "src/core/lib/client_config/resolver_registry.h",
-    "src/core/lib/client_config/subchannel.h",
-    "src/core/lib/client_config/subchannel_factory.h",
-    "src/core/lib/client_config/subchannel_index.h",
-    "src/core/lib/client_config/uri_parser.h",
     "src/core/lib/compression/algorithm_metadata.h",
     "src/core/lib/compression/message_compress.h",
     "src/core/lib/debug/trace.h",
@@ -639,67 +574,58 @@
     "src/core/lib/transport/static_metadata.h",
     "src/core/lib/transport/transport.h",
     "src/core/lib/transport/transport_impl.h",
-    "src/core/ext/census/context.c",
-    "src/core/ext/census/grpc_context.c",
-    "src/core/ext/census/grpc_filter.c",
-    "src/core/ext/census/grpc_plugin.c",
-    "src/core/ext/census/initialize.c",
-    "src/core/ext/census/mlog.c",
-    "src/core/ext/census/operation.c",
-    "src/core/ext/census/placeholders.c",
-    "src/core/ext/census/tracing.c",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/ext/lb_policy/pick_first/pick_first.c",
-    "src/core/ext/lb_policy/round_robin/round_robin.c",
-    "src/core/ext/resolver/dns/native/dns_resolver.c",
-    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
-    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
-    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
-    "src/core/ext/transport/chttp2/transport/alpn.c",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
-    "src/core/ext/transport/chttp2/transport/frame_data.c",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
-    "src/core/ext/transport/chttp2/transport/frame_ping.c",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
-    "src/core/ext/transport/chttp2/transport/frame_settings.c",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
-    "src/core/ext/transport/chttp2/transport/hpack_table.c",
-    "src/core/ext/transport/chttp2/transport/huffsyms.c",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
-    "src/core/ext/transport/chttp2/transport/parsing.c",
-    "src/core/ext/transport/chttp2/transport/status_conversion.c",
-    "src/core/ext/transport/chttp2/transport/stream_lists.c",
-    "src/core/ext/transport/chttp2/transport/stream_map.c",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
-    "src/core/ext/transport/chttp2/transport/varint.c",
-    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
+    "src/core/lib/surface/init_unsecure.c",
     "src/core/lib/channel/channel_args.c",
     "src/core/lib/channel/channel_stack.c",
     "src/core/lib/channel/channel_stack_builder.c",
-    "src/core/lib/channel/client_channel.c",
     "src/core/lib/channel/compress_filter.c",
     "src/core/lib/channel/connected_channel.c",
     "src/core/lib/channel/http_client_filter.c",
     "src/core/lib/channel/http_server_filter.c",
-    "src/core/lib/channel/subchannel_call_holder.c",
-    "src/core/lib/client_config/client_config.c",
-    "src/core/lib/client_config/connector.c",
-    "src/core/lib/client_config/default_initial_connect_string.c",
-    "src/core/lib/client_config/initial_connect_string.c",
-    "src/core/lib/client_config/lb_policy.c",
-    "src/core/lib/client_config/lb_policy_factory.c",
-    "src/core/lib/client_config/lb_policy_registry.c",
-    "src/core/lib/client_config/resolver.c",
-    "src/core/lib/client_config/resolver_factory.c",
-    "src/core/lib/client_config/resolver_registry.c",
-    "src/core/lib/client_config/subchannel.c",
-    "src/core/lib/client_config/subchannel_factory.c",
-    "src/core/lib/client_config/subchannel_index.c",
-    "src/core/lib/client_config/uri_parser.c",
     "src/core/lib/compression/compression_algorithm.c",
     "src/core/lib/compression/message_compress.c",
     "src/core/lib/debug/trace.c",
@@ -757,14 +683,12 @@
     "src/core/lib/surface/call_details.c",
     "src/core/lib/surface/call_log_batch.c",
     "src/core/lib/surface/channel.c",
-    "src/core/lib/surface/channel_connectivity.c",
     "src/core/lib/surface/channel_init.c",
     "src/core/lib/surface/channel_ping.c",
     "src/core/lib/surface/channel_stack_type.c",
     "src/core/lib/surface/completion_queue.c",
     "src/core/lib/surface/event_string.c",
     "src/core/lib/surface/init.c",
-    "src/core/lib/surface/init_unsecure.c",
     "src/core/lib/surface/lame_client.c",
     "src/core/lib/surface/metadata_array.c",
     "src/core/lib/surface/server.c",
@@ -777,21 +701,92 @@
     "src/core/lib/transport/static_metadata.c",
     "src/core/lib/transport/transport.c",
     "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
     "src/core/plugin_registry/grpc_unsecure_plugin_registry.c",
   ],
   hdrs = [
     "include/grpc/byte_buffer.h",
     "include/grpc/byte_buffer_reader.h",
-    "include/grpc/census.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
+    "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/compression_types.h",
     "include/grpc/impl/codegen/connectivity_state.h",
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/census.h",
   ],
   includes = [
     "include",
@@ -831,14 +826,20 @@
 cc_library(
   name = "grpc++",
   srcs = [
-    "src/cpp/client/create_channel_internal.h",
     "src/cpp/client/secure_credentials.h",
     "src/cpp/common/core_codegen.h",
-    "src/cpp/common/create_auth_context.h",
     "src/cpp/common/secure_auth_context.h",
-    "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/secure_server_credentials.h",
+    "src/cpp/client/create_channel_internal.h",
+    "src/cpp/common/create_auth_context.h",
+    "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
+    "src/cpp/client/secure_credentials.cc",
+    "src/cpp/common/auth_property_iterator.cc",
+    "src/cpp/common/secure_auth_context.cc",
+    "src/cpp/common/secure_channel_arguments.cc",
+    "src/cpp/common/secure_create_auth_context.cc",
+    "src/cpp/server/secure_server_credentials.cc",
     "src/cpp/client/channel.cc",
     "src/cpp/client/client_context.cc",
     "src/cpp/client/create_channel.cc",
@@ -846,21 +847,14 @@
     "src/cpp/client/credentials.cc",
     "src/cpp/client/generic_stub.cc",
     "src/cpp/client/insecure_credentials.cc",
-    "src/cpp/client/secure_credentials.cc",
-    "src/cpp/codegen/codegen_init.cc",
-    "src/cpp/common/auth_property_iterator.cc",
     "src/cpp/common/channel_arguments.cc",
     "src/cpp/common/completion_queue.cc",
     "src/cpp/common/core_codegen.cc",
     "src/cpp/common/rpc_method.cc",
-    "src/cpp/common/secure_auth_context.cc",
-    "src/cpp/common/secure_channel_arguments.cc",
-    "src/cpp/common/secure_create_auth_context.cc",
     "src/cpp/server/async_generic_service.cc",
     "src/cpp/server/create_default_thread_pool.cc",
     "src/cpp/server/dynamic_thread_pool.cc",
     "src/cpp/server/insecure_server_credentials.cc",
-    "src/cpp/server/secure_server_credentials.cc",
     "src/cpp/server/server.cc",
     "src/cpp/server/server_builder.cc",
     "src/cpp/server/server_context.cc",
@@ -870,6 +864,7 @@
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
+    "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
     "include/grpc++/alarm.h",
@@ -882,37 +877,6 @@
     "include/grpc++/grpc++.h",
     "include/grpc++/impl/call.h",
     "include/grpc++/impl/client_unary_call.h",
-    "include/grpc++/impl/codegen/async_stream.h",
-    "include/grpc++/impl/codegen/async_unary_call.h",
-    "include/grpc++/impl/codegen/call.h",
-    "include/grpc++/impl/codegen/call_hook.h",
-    "include/grpc++/impl/codegen/channel_interface.h",
-    "include/grpc++/impl/codegen/client_context.h",
-    "include/grpc++/impl/codegen/client_unary_call.h",
-    "include/grpc++/impl/codegen/completion_queue.h",
-    "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
-    "include/grpc++/impl/codegen/core_codegen_interface.h",
-    "include/grpc++/impl/codegen/grpc_library.h",
-    "include/grpc++/impl/codegen/method_handler_impl.h",
-    "include/grpc++/impl/codegen/proto_utils.h",
-    "include/grpc++/impl/codegen/rpc_method.h",
-    "include/grpc++/impl/codegen/rpc_service_method.h",
-    "include/grpc++/impl/codegen/security/auth_context.h",
-    "include/grpc++/impl/codegen/serialization_traits.h",
-    "include/grpc++/impl/codegen/server_context.h",
-    "include/grpc++/impl/codegen/server_interface.h",
-    "include/grpc++/impl/codegen/service_type.h",
-    "include/grpc++/impl/codegen/status.h",
-    "include/grpc++/impl/codegen/status_code_enum.h",
-    "include/grpc++/impl/codegen/string_ref.h",
-    "include/grpc++/impl/codegen/stub_options.h",
-    "include/grpc++/impl/codegen/sync.h",
-    "include/grpc++/impl/codegen/sync_cxx11.h",
-    "include/grpc++/impl/codegen/sync_no_cxx11.h",
-    "include/grpc++/impl/codegen/sync_stream.h",
-    "include/grpc++/impl/codegen/time.h",
     "include/grpc++/impl/grpc_library.h",
     "include/grpc++/impl/method_handler_impl.h",
     "include/grpc++/impl/proto_utils.h",
@@ -938,8 +902,6 @@
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
     "include/grpc++/support/channel_arguments.h",
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/support/slice.h",
     "include/grpc++/support/status.h",
     "include/grpc++/support/status_code_enum.h",
@@ -947,6 +909,59 @@
     "include/grpc++/support/stub_options.h",
     "include/grpc++/support/sync_stream.h",
     "include/grpc++/support/time.h",
+    "include/grpc++/impl/codegen/async_stream.h",
+    "include/grpc++/impl/codegen/async_unary_call.h",
+    "include/grpc++/impl/codegen/call.h",
+    "include/grpc++/impl/codegen/call_hook.h",
+    "include/grpc++/impl/codegen/channel_interface.h",
+    "include/grpc++/impl/codegen/client_context.h",
+    "include/grpc++/impl/codegen/client_unary_call.h",
+    "include/grpc++/impl/codegen/completion_queue.h",
+    "include/grpc++/impl/codegen/completion_queue_tag.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/grpc_library.h",
+    "include/grpc++/impl/codegen/method_handler_impl.h",
+    "include/grpc++/impl/codegen/proto_utils.h",
+    "include/grpc++/impl/codegen/rpc_method.h",
+    "include/grpc++/impl/codegen/rpc_service_method.h",
+    "include/grpc++/impl/codegen/security/auth_context.h",
+    "include/grpc++/impl/codegen/serialization_traits.h",
+    "include/grpc++/impl/codegen/server_context.h",
+    "include/grpc++/impl/codegen/server_interface.h",
+    "include/grpc++/impl/codegen/service_type.h",
+    "include/grpc++/impl/codegen/status.h",
+    "include/grpc++/impl/codegen/status_code_enum.h",
+    "include/grpc++/impl/codegen/string_ref.h",
+    "include/grpc++/impl/codegen/stub_options.h",
+    "include/grpc++/impl/codegen/sync.h",
+    "include/grpc++/impl/codegen/sync_cxx11.h",
+    "include/grpc++/impl/codegen/sync_no_cxx11.h",
+    "include/grpc++/impl/codegen/sync_stream.h",
+    "include/grpc++/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -962,75 +977,6 @@
 
 
 cc_library(
-  name = "grpc++_codegen_lib",
-  srcs = [
-    "src/cpp/codegen/codegen_init.cc",
-  ],
-  hdrs = [
-    "include/grpc++/impl/codegen/async_stream.h",
-    "include/grpc++/impl/codegen/async_unary_call.h",
-    "include/grpc++/impl/codegen/call.h",
-    "include/grpc++/impl/codegen/call_hook.h",
-    "include/grpc++/impl/codegen/channel_interface.h",
-    "include/grpc++/impl/codegen/client_context.h",
-    "include/grpc++/impl/codegen/client_unary_call.h",
-    "include/grpc++/impl/codegen/completion_queue.h",
-    "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
-    "include/grpc++/impl/codegen/core_codegen_interface.h",
-    "include/grpc++/impl/codegen/grpc_library.h",
-    "include/grpc++/impl/codegen/method_handler_impl.h",
-    "include/grpc++/impl/codegen/proto_utils.h",
-    "include/grpc++/impl/codegen/rpc_method.h",
-    "include/grpc++/impl/codegen/rpc_service_method.h",
-    "include/grpc++/impl/codegen/security/auth_context.h",
-    "include/grpc++/impl/codegen/serialization_traits.h",
-    "include/grpc++/impl/codegen/server_context.h",
-    "include/grpc++/impl/codegen/server_interface.h",
-    "include/grpc++/impl/codegen/service_type.h",
-    "include/grpc++/impl/codegen/status.h",
-    "include/grpc++/impl/codegen/status_code_enum.h",
-    "include/grpc++/impl/codegen/string_ref.h",
-    "include/grpc++/impl/codegen/stub_options.h",
-    "include/grpc++/impl/codegen/sync.h",
-    "include/grpc++/impl/codegen/sync_cxx11.h",
-    "include/grpc++/impl/codegen/sync_no_cxx11.h",
-    "include/grpc++/impl/codegen/sync_stream.h",
-    "include/grpc++/impl/codegen/time.h",
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/byte_buffer.h",
-    "include/grpc/impl/codegen/compression_types.h",
-    "include/grpc/impl/codegen/connectivity_state.h",
-    "include/grpc/impl/codegen/grpc_types.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/propagation_bits.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/status.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
-  ],
-  includes = [
-    "include",
-    ".",
-  ],
-  deps = [
-    "//external:protobuf_clib",
-  ],
-)
-
-
-
-cc_library(
   name = "grpc++_unsecure",
   srcs = [
     "src/cpp/client/create_channel_internal.h",
@@ -1038,6 +984,7 @@
     "src/cpp/common/create_auth_context.h",
     "src/cpp/server/dynamic_thread_pool.h",
     "src/cpp/server/thread_pool_interface.h",
+    "src/cpp/common/insecure_create_auth_context.cc",
     "src/cpp/client/channel.cc",
     "src/cpp/client/client_context.cc",
     "src/cpp/client/create_channel.cc",
@@ -1045,11 +992,9 @@
     "src/cpp/client/credentials.cc",
     "src/cpp/client/generic_stub.cc",
     "src/cpp/client/insecure_credentials.cc",
-    "src/cpp/codegen/codegen_init.cc",
     "src/cpp/common/channel_arguments.cc",
     "src/cpp/common/completion_queue.cc",
     "src/cpp/common/core_codegen.cc",
-    "src/cpp/common/insecure_create_auth_context.cc",
     "src/cpp/common/rpc_method.cc",
     "src/cpp/server/async_generic_service.cc",
     "src/cpp/server/create_default_thread_pool.cc",
@@ -1064,6 +1009,7 @@
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
+    "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
     "include/grpc++/alarm.h",
@@ -1076,37 +1022,6 @@
     "include/grpc++/grpc++.h",
     "include/grpc++/impl/call.h",
     "include/grpc++/impl/client_unary_call.h",
-    "include/grpc++/impl/codegen/async_stream.h",
-    "include/grpc++/impl/codegen/async_unary_call.h",
-    "include/grpc++/impl/codegen/call.h",
-    "include/grpc++/impl/codegen/call_hook.h",
-    "include/grpc++/impl/codegen/channel_interface.h",
-    "include/grpc++/impl/codegen/client_context.h",
-    "include/grpc++/impl/codegen/client_unary_call.h",
-    "include/grpc++/impl/codegen/completion_queue.h",
-    "include/grpc++/impl/codegen/completion_queue_tag.h",
-    "include/grpc++/impl/codegen/config.h",
-    "include/grpc++/impl/codegen/config_protobuf.h",
-    "include/grpc++/impl/codegen/core_codegen_interface.h",
-    "include/grpc++/impl/codegen/grpc_library.h",
-    "include/grpc++/impl/codegen/method_handler_impl.h",
-    "include/grpc++/impl/codegen/proto_utils.h",
-    "include/grpc++/impl/codegen/rpc_method.h",
-    "include/grpc++/impl/codegen/rpc_service_method.h",
-    "include/grpc++/impl/codegen/security/auth_context.h",
-    "include/grpc++/impl/codegen/serialization_traits.h",
-    "include/grpc++/impl/codegen/server_context.h",
-    "include/grpc++/impl/codegen/server_interface.h",
-    "include/grpc++/impl/codegen/service_type.h",
-    "include/grpc++/impl/codegen/status.h",
-    "include/grpc++/impl/codegen/status_code_enum.h",
-    "include/grpc++/impl/codegen/string_ref.h",
-    "include/grpc++/impl/codegen/stub_options.h",
-    "include/grpc++/impl/codegen/sync.h",
-    "include/grpc++/impl/codegen/sync_cxx11.h",
-    "include/grpc++/impl/codegen/sync_no_cxx11.h",
-    "include/grpc++/impl/codegen/sync_stream.h",
-    "include/grpc++/impl/codegen/time.h",
     "include/grpc++/impl/grpc_library.h",
     "include/grpc++/impl/method_handler_impl.h",
     "include/grpc++/impl/proto_utils.h",
@@ -1132,8 +1047,6 @@
     "include/grpc++/support/async_unary_call.h",
     "include/grpc++/support/byte_buffer.h",
     "include/grpc++/support/channel_arguments.h",
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "include/grpc++/support/slice.h",
     "include/grpc++/support/status.h",
     "include/grpc++/support/status_code_enum.h",
@@ -1141,6 +1054,59 @@
     "include/grpc++/support/stub_options.h",
     "include/grpc++/support/sync_stream.h",
     "include/grpc++/support/time.h",
+    "include/grpc++/impl/codegen/async_stream.h",
+    "include/grpc++/impl/codegen/async_unary_call.h",
+    "include/grpc++/impl/codegen/call.h",
+    "include/grpc++/impl/codegen/call_hook.h",
+    "include/grpc++/impl/codegen/channel_interface.h",
+    "include/grpc++/impl/codegen/client_context.h",
+    "include/grpc++/impl/codegen/client_unary_call.h",
+    "include/grpc++/impl/codegen/completion_queue.h",
+    "include/grpc++/impl/codegen/completion_queue_tag.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/grpc_library.h",
+    "include/grpc++/impl/codegen/method_handler_impl.h",
+    "include/grpc++/impl/codegen/proto_utils.h",
+    "include/grpc++/impl/codegen/rpc_method.h",
+    "include/grpc++/impl/codegen/rpc_service_method.h",
+    "include/grpc++/impl/codegen/security/auth_context.h",
+    "include/grpc++/impl/codegen/serialization_traits.h",
+    "include/grpc++/impl/codegen/server_context.h",
+    "include/grpc++/impl/codegen/server_interface.h",
+    "include/grpc++/impl/codegen/service_type.h",
+    "include/grpc++/impl/codegen/status.h",
+    "include/grpc++/impl/codegen/status_code_enum.h",
+    "include/grpc++/impl/codegen/string_ref.h",
+    "include/grpc++/impl/codegen/stub_options.h",
+    "include/grpc++/impl/codegen/sync.h",
+    "include/grpc++/impl/codegen/sync_cxx11.h",
+    "include/grpc++/impl/codegen/sync_no_cxx11.h",
+    "include/grpc++/impl/codegen/sync_stream.h",
+    "include/grpc++/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -1150,6 +1116,7 @@
     "//external:protobuf_clib",
     ":gpr",
     ":grpc_unsecure",
+    ":grpc",
   ],
 )
 
@@ -1158,8 +1125,6 @@
 cc_library(
   name = "grpc_plugin_support",
   srcs = [
-    "include/grpc++/support/config.h",
-    "include/grpc++/support/config_protobuf.h",
     "src/compiler/config.h",
     "src/compiler/cpp_generator.h",
     "src/compiler/cpp_generator_helpers.h",
@@ -1180,20 +1145,10 @@
     "src/compiler/ruby_generator.cc",
   ],
   hdrs = [
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
+    "include/grpc++/support/config.h",
+    "include/grpc++/support/config_protobuf.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
   ],
   includes = [
     "include",
@@ -1201,7 +1156,6 @@
   ],
   deps = [
     "//external:protobuf_compiler",
-    ":grpc++_codegen_lib",
   ],
 )
 
@@ -1276,20 +1230,6 @@
     "src/core/lib/support/wrap_memcpy.c",
   ],
   hdrs = [
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
     "include/grpc/support/alloc.h",
     "include/grpc/support/atm.h",
     "include/grpc/support/atm_gcc_atomic.h",
@@ -1318,6 +1258,20 @@
     "include/grpc/support/tls_msvc.h",
     "include/grpc/support/tls_pthread.h",
     "include/grpc/support/useful.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
     "src/core/lib/profiling/timers.h",
     "src/core/lib/support/backoff.h",
     "src/core/lib/support/block_annotate.h",
@@ -1344,75 +1298,18 @@
 objc_library(
   name = "grpc_objc",
   srcs = [
-    "src/core/ext/census/context.c",
-    "src/core/ext/census/grpc_context.c",
-    "src/core/ext/census/grpc_filter.c",
-    "src/core/ext/census/grpc_plugin.c",
-    "src/core/ext/census/initialize.c",
-    "src/core/ext/census/mlog.c",
-    "src/core/ext/census/operation.c",
-    "src/core/ext/census/placeholders.c",
-    "src/core/ext/census/tracing.c",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/ext/lb_policy/pick_first/pick_first.c",
-    "src/core/ext/lb_policy/round_robin/round_robin.c",
-    "src/core/ext/resolver/dns/native/dns_resolver.c",
-    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
-    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
-    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
-    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
-    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
-    "src/core/ext/transport/chttp2/transport/alpn.c",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
-    "src/core/ext/transport/chttp2/transport/frame_data.c",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
-    "src/core/ext/transport/chttp2/transport/frame_ping.c",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
-    "src/core/ext/transport/chttp2/transport/frame_settings.c",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
-    "src/core/ext/transport/chttp2/transport/hpack_table.c",
-    "src/core/ext/transport/chttp2/transport/huffsyms.c",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
-    "src/core/ext/transport/chttp2/transport/parsing.c",
-    "src/core/ext/transport/chttp2/transport/status_conversion.c",
-    "src/core/ext/transport/chttp2/transport/stream_lists.c",
-    "src/core/ext/transport/chttp2/transport/stream_map.c",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
-    "src/core/ext/transport/chttp2/transport/varint.c",
-    "src/core/ext/transport/chttp2/transport/writing.c",
     "src/core/lib/channel/channel_args.c",
     "src/core/lib/channel/channel_stack.c",
     "src/core/lib/channel/channel_stack_builder.c",
-    "src/core/lib/channel/client_channel.c",
     "src/core/lib/channel/compress_filter.c",
     "src/core/lib/channel/connected_channel.c",
     "src/core/lib/channel/http_client_filter.c",
     "src/core/lib/channel/http_server_filter.c",
-    "src/core/lib/channel/subchannel_call_holder.c",
-    "src/core/lib/client_config/client_config.c",
-    "src/core/lib/client_config/connector.c",
-    "src/core/lib/client_config/default_initial_connect_string.c",
-    "src/core/lib/client_config/initial_connect_string.c",
-    "src/core/lib/client_config/lb_policy.c",
-    "src/core/lib/client_config/lb_policy_factory.c",
-    "src/core/lib/client_config/lb_policy_registry.c",
-    "src/core/lib/client_config/resolver.c",
-    "src/core/lib/client_config/resolver_factory.c",
-    "src/core/lib/client_config/resolver_registry.c",
-    "src/core/lib/client_config/subchannel.c",
-    "src/core/lib/client_config/subchannel_factory.c",
-    "src/core/lib/client_config/subchannel_index.c",
-    "src/core/lib/client_config/uri_parser.c",
     "src/core/lib/compression/compression_algorithm.c",
     "src/core/lib/compression/message_compress.c",
     "src/core/lib/debug/trace.c",
     "src/core/lib/http/format_request.c",
     "src/core/lib/http/httpcli.c",
-    "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/http/parser.c",
     "src/core/lib/iomgr/closure.c",
     "src/core/lib/iomgr/endpoint.c",
@@ -1457,6 +1354,56 @@
     "src/core/lib/json/json_reader.c",
     "src/core/lib/json/json_string.c",
     "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/security/b64.c",
     "src/core/lib/security/client_auth_filter.c",
     "src/core/lib/security/credentials.c",
@@ -1471,105 +1418,84 @@
     "src/core/lib/security/security_connector.c",
     "src/core/lib/security/security_context.c",
     "src/core/lib/security/server_auth_filter.c",
-    "src/core/lib/surface/alarm.c",
-    "src/core/lib/surface/api_trace.c",
-    "src/core/lib/surface/byte_buffer.c",
-    "src/core/lib/surface/byte_buffer_reader.c",
-    "src/core/lib/surface/call.c",
-    "src/core/lib/surface/call_details.c",
-    "src/core/lib/surface/call_log_batch.c",
-    "src/core/lib/surface/channel.c",
-    "src/core/lib/surface/channel_connectivity.c",
-    "src/core/lib/surface/channel_init.c",
-    "src/core/lib/surface/channel_ping.c",
-    "src/core/lib/surface/channel_stack_type.c",
-    "src/core/lib/surface/completion_queue.c",
-    "src/core/lib/surface/event_string.c",
-    "src/core/lib/surface/init.c",
     "src/core/lib/surface/init_secure.c",
-    "src/core/lib/surface/lame_client.c",
-    "src/core/lib/surface/metadata_array.c",
-    "src/core/lib/surface/server.c",
-    "src/core/lib/surface/validate_metadata.c",
-    "src/core/lib/surface/version.c",
-    "src/core/lib/transport/byte_stream.c",
-    "src/core/lib/transport/connectivity_state.c",
-    "src/core/lib/transport/metadata.c",
-    "src/core/lib/transport/metadata_batch.c",
-    "src/core/lib/transport/static_metadata.c",
-    "src/core/lib/transport/transport.c",
-    "src/core/lib/transport/transport_op_string.c",
     "src/core/lib/tsi/fake_transport_security.c",
     "src/core/lib/tsi/ssl_transport_security.c",
     "src/core/lib/tsi/transport_security.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
     "src/core/plugin_registry/grpc_plugin_registry.c",
   ],
   hdrs = [
     "include/grpc/byte_buffer.h",
     "include/grpc/byte_buffer_reader.h",
-    "include/grpc/census.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
-    "include/grpc/grpc_security.h",
+    "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/compression_types.h",
     "include/grpc/impl/codegen/connectivity_state.h",
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/status.h",
-    "src/core/ext/census/aggregation.h",
-    "src/core/ext/census/census_interface.h",
-    "src/core/ext/census/census_rpc_stats.h",
-    "src/core/ext/census/grpc_filter.h",
-    "src/core/ext/census/mlog.h",
-    "src/core/ext/census/rpc_metric_id.h",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/ext/transport/chttp2/transport/alpn.h",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
-    "src/core/ext/transport/chttp2/transport/frame.h",
-    "src/core/ext/transport/chttp2/transport/frame_data.h",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
-    "src/core/ext/transport/chttp2/transport/frame_ping.h",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
-    "src/core/ext/transport/chttp2/transport/frame_settings.h",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
-    "src/core/ext/transport/chttp2/transport/hpack_table.h",
-    "src/core/ext/transport/chttp2/transport/http2_errors.h",
-    "src/core/ext/transport/chttp2/transport/huffsyms.h",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
-    "src/core/ext/transport/chttp2/transport/internal.h",
-    "src/core/ext/transport/chttp2/transport/status_conversion.h",
-    "src/core/ext/transport/chttp2/transport/stream_map.h",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
-    "src/core/ext/transport/chttp2/transport/varint.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/grpc_security.h",
+    "include/grpc/census.h",
     "src/core/lib/channel/channel_args.h",
     "src/core/lib/channel/channel_stack.h",
     "src/core/lib/channel/channel_stack_builder.h",
-    "src/core/lib/channel/client_channel.h",
     "src/core/lib/channel/compress_filter.h",
     "src/core/lib/channel/connected_channel.h",
     "src/core/lib/channel/context.h",
     "src/core/lib/channel/http_client_filter.h",
     "src/core/lib/channel/http_server_filter.h",
-    "src/core/lib/channel/subchannel_call_holder.h",
-    "src/core/lib/client_config/client_config.h",
-    "src/core/lib/client_config/connector.h",
-    "src/core/lib/client_config/initial_connect_string.h",
-    "src/core/lib/client_config/lb_policy.h",
-    "src/core/lib/client_config/lb_policy_factory.h",
-    "src/core/lib/client_config/lb_policy_registry.h",
-    "src/core/lib/client_config/resolver.h",
-    "src/core/lib/client_config/resolver_factory.h",
-    "src/core/lib/client_config/resolver_registry.h",
-    "src/core/lib/client_config/subchannel.h",
-    "src/core/lib/client_config/subchannel_factory.h",
-    "src/core/lib/client_config/subchannel_index.h",
-    "src/core/lib/client_config/uri_parser.h",
     "src/core/lib/compression/algorithm_metadata.h",
     "src/core/lib/compression/message_compress.h",
     "src/core/lib/debug/trace.h",
@@ -1616,15 +1542,6 @@
     "src/core/lib/json/json_common.h",
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
-    "src/core/lib/security/auth_filters.h",
-    "src/core/lib/security/b64.h",
-    "src/core/lib/security/credentials.h",
-    "src/core/lib/security/handshake.h",
-    "src/core/lib/security/json_token.h",
-    "src/core/lib/security/jwt_verifier.h",
-    "src/core/lib/security/secure_endpoint.h",
-    "src/core/lib/security/security_connector.h",
-    "src/core/lib/security/security_context.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
     "src/core/lib/surface/call_test_only.h",
@@ -1644,11 +1561,64 @@
     "src/core/lib/transport/static_metadata.h",
     "src/core/lib/transport/transport.h",
     "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
     "src/core/lib/tsi/fake_transport_security.h",
     "src/core/lib/tsi/ssl_transport_security.h",
     "src/core/lib/tsi/ssl_types.h",
     "src/core/lib/tsi/transport_security.h",
     "src/core/lib/tsi/transport_security_interface.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
   ],
   includes = [
     "include",
diff --git a/Makefile b/Makefile
index 4bb7dc8..6b2b9eb 100644
--- a/Makefile
+++ b/Makefile
@@ -961,11 +961,14 @@
 mlog_test: $(BINDIR)/$(CONFIG)/mlog_test
 multiple_server_queues_test: $(BINDIR)/$(CONFIG)/multiple_server_queues_test
 murmur_hash_test: $(BINDIR)/$(CONFIG)/murmur_hash_test
+nanopb_fuzzer_response_test: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test
+nanopb_fuzzer_serverlist_test: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test
 no_server_test: $(BINDIR)/$(CONFIG)/no_server_test
 resolve_address_test: $(BINDIR)/$(CONFIG)/resolve_address_test
 secure_channel_create_test: $(BINDIR)/$(CONFIG)/secure_channel_create_test
 secure_endpoint_test: $(BINDIR)/$(CONFIG)/secure_endpoint_test
 server_chttp2_test: $(BINDIR)/$(CONFIG)/server_chttp2_test
+server_fuzzer: $(BINDIR)/$(CONFIG)/server_fuzzer
 server_test: $(BINDIR)/$(CONFIG)/server_test
 set_initial_connect_string_test: $(BINDIR)/$(CONFIG)/set_initial_connect_string_test
 sockaddr_resolver_test: $(BINDIR)/$(CONFIG)/sockaddr_resolver_test
@@ -1015,10 +1018,12 @@
 interop_client: $(BINDIR)/$(CONFIG)/interop_client
 interop_server: $(BINDIR)/$(CONFIG)/interop_server
 interop_test: $(BINDIR)/$(CONFIG)/interop_test
+json_run_localhost: $(BINDIR)/$(CONFIG)/json_run_localhost
 metrics_client: $(BINDIR)/$(CONFIG)/metrics_client
 mock_test: $(BINDIR)/$(CONFIG)/mock_test
 qps_driver: $(BINDIR)/$(CONFIG)/qps_driver
 qps_interarrival_test: $(BINDIR)/$(CONFIG)/qps_interarrival_test
+qps_json_driver: $(BINDIR)/$(CONFIG)/qps_json_driver
 qps_openloop_test: $(BINDIR)/$(CONFIG)/qps_openloop_test
 qps_test: $(BINDIR)/$(CONFIG)/qps_test
 qps_worker: $(BINDIR)/$(CONFIG)/qps_worker
@@ -1076,6 +1081,7 @@
 boringssl_ssl_test: $(BINDIR)/$(CONFIG)/boringssl_ssl_test
 badreq_bad_client_test: $(BINDIR)/$(CONFIG)/badreq_bad_client_test
 connection_prefix_bad_client_test: $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test
+head_of_line_blocking_bad_client_test: $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
 headers_bad_client_test: $(BINDIR)/$(CONFIG)/headers_bad_client_test
 initial_settings_frame_bad_client_test: $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 server_registered_method_bad_client_test: $(BINDIR)/$(CONFIG)/server_registered_method_bad_client_test
@@ -1113,6 +1119,9 @@
 hpack_parser_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry
 http_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry
 json_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry
+nanopb_fuzzer_response_test_one_entry: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry
+nanopb_fuzzer_serverlist_test_one_entry: $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry
+server_fuzzer_one_entry: $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry
 uri_fuzzer_test_one_entry: $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry
 
 run_dep_checks:
@@ -1144,13 +1153,13 @@
 static_c: pc_c pc_c_unsecure cache.mk pc_c_zookeeper $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a static_zookeeper_libs
 
 
-static_cxx: pc_cxx pc_cxx_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
+static_cxx: pc_cxx pc_cxx_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
 
 shared: shared_c shared_cxx
 
 shared_c: pc_c pc_c_unsecure cache.mk pc_c_zookeeper $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)gpr$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_unsecure$(SHARED_VERSION).$(SHARED_EXT) shared_zookeeper_libs
 
-shared_cxx: pc_cxx pc_cxx_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
+shared_cxx: pc_cxx pc_cxx_unsecure cache.mk $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
 
 shared_csharp: shared_c  $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc_csharp_ext$(SHARED_VERSION).$(SHARED_EXT)
 ifeq ($(HAS_ZOOKEEPER),true)
@@ -1298,6 +1307,7 @@
   $(BINDIR)/$(CONFIG)/public_headers_must_be_c89 \
   $(BINDIR)/$(CONFIG)/badreq_bad_client_test \
   $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test \
+  $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test \
   $(BINDIR)/$(CONFIG)/headers_bad_client_test \
   $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test \
   $(BINDIR)/$(CONFIG)/server_registered_method_bad_client_test \
@@ -1335,6 +1345,9 @@
   $(BINDIR)/$(CONFIG)/hpack_parser_fuzzer_test_one_entry \
   $(BINDIR)/$(CONFIG)/http_fuzzer_test_one_entry \
   $(BINDIR)/$(CONFIG)/json_fuzzer_test_one_entry \
+  $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry \
+  $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry \
+  $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry \
   $(BINDIR)/$(CONFIG)/uri_fuzzer_test_one_entry \
 
 
@@ -1363,11 +1376,14 @@
   $(BINDIR)/$(CONFIG)/interop_client \
   $(BINDIR)/$(CONFIG)/interop_server \
   $(BINDIR)/$(CONFIG)/interop_test \
+  $(BINDIR)/$(CONFIG)/json_run_localhost \
   $(BINDIR)/$(CONFIG)/metrics_client \
   $(BINDIR)/$(CONFIG)/mock_test \
   $(BINDIR)/$(CONFIG)/qps_interarrival_test \
+  $(BINDIR)/$(CONFIG)/qps_json_driver \
   $(BINDIR)/$(CONFIG)/qps_openloop_test \
   $(BINDIR)/$(CONFIG)/qps_test \
+  $(BINDIR)/$(CONFIG)/qps_worker \
   $(BINDIR)/$(CONFIG)/reconnect_interop_client \
   $(BINDIR)/$(CONFIG)/reconnect_interop_server \
   $(BINDIR)/$(CONFIG)/secure_auth_context_test \
@@ -1620,6 +1636,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/badreq_bad_client_test || ( echo test badreq_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing connection_prefix_bad_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test || ( echo test connection_prefix_bad_client_test failed ; exit 1 )
+	$(E) "[RUN]     Testing head_of_line_blocking_bad_client_test"
+	$(Q) $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test || ( echo test head_of_line_blocking_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing headers_bad_client_test"
 	$(Q) $(BINDIR)/$(CONFIG)/headers_bad_client_test || ( echo test headers_bad_client_test failed ; exit 1 )
 	$(E) "[RUN]     Testing initial_settings_frame_bad_client_test"
@@ -1739,7 +1757,7 @@
 
 tools_cxx: privatelibs_cxx
 
-buildbenchmarks: privatelibs $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark $(BINDIR)/$(CONFIG)/qps_driver $(BINDIR)/$(CONFIG)/qps_worker
+buildbenchmarks: privatelibs $(BINDIR)/$(CONFIG)/low_level_ping_pong_benchmark $(BINDIR)/$(CONFIG)/qps_driver
 
 benchmarks: buildbenchmarks
 
@@ -1772,8 +1790,6 @@
 ifeq ($(CONFIG),opt)
 	$(E) "[STRIP]   Stripping libgrpc++.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc++.a
-	$(E) "[STRIP]   Stripping libgrpc++_codegen_lib.a"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
 	$(E) "[STRIP]   Stripping libgrpc++_unsecure.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
 endif
@@ -1796,8 +1812,6 @@
 ifeq ($(CONFIG),opt)
 	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT)"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT)
-	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT)
 	$(E) "[STRIP]   Stripping $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
 endif
@@ -2109,9 +2123,6 @@
 	$(E) "[INSTALL] Installing libgrpc++.a"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(prefix)/lib/libgrpc++.a
-	$(E) "[INSTALL] Installing libgrpc++_codegen_lib.a"
-	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a $(prefix)/lib/libgrpc++_codegen_lib.a
 	$(E) "[INSTALL] Installing libgrpc++_unsecure.a"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a $(prefix)/lib/libgrpc++_unsecure.a
@@ -2174,15 +2185,6 @@
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++.so.0
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++.so
 endif
-	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT)"
-	$(Q) $(INSTALL) -d $(prefix)/lib
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT)
-ifeq ($(SYSTEM),MINGW32)
-	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib-imp.a $(prefix)/lib/libgrpc++_codegen_lib-imp.a
-else ifneq ($(SYSTEM),Darwin)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_codegen_lib.so.0
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/libgrpc++_codegen_lib.so
-endif
 	$(E) "[INSTALL] Installing $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(prefix)/lib/$(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT)
@@ -2332,20 +2334,6 @@
     src/core/lib/support/wrap_memcpy.c \
 
 PUBLIC_HEADERS_C += \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
     include/grpc/support/alloc.h \
     include/grpc/support/atm.h \
     include/grpc/support/atm_gcc_atomic.h \
@@ -2374,6 +2362,20 @@
     include/grpc/support/tls_msvc.h \
     include/grpc/support/tls_pthread.h \
     include/grpc/support/useful.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
 
 LIBGPR_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGPR_SRC))))
 
@@ -2438,75 +2440,18 @@
 
 
 LIBGRPC_SRC = \
-    src/core/ext/census/context.c \
-    src/core/ext/census/grpc_context.c \
-    src/core/ext/census/grpc_filter.c \
-    src/core/ext/census/grpc_plugin.c \
-    src/core/ext/census/initialize.c \
-    src/core/ext/census/mlog.c \
-    src/core/ext/census/operation.c \
-    src/core/ext/census/placeholders.c \
-    src/core/ext/census/tracing.c \
-    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
-    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
-    src/core/ext/lb_policy/pick_first/pick_first.c \
-    src/core/ext/lb_policy/round_robin/round_robin.c \
-    src/core/ext/resolver/dns/native/dns_resolver.c \
-    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
-    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
-    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
-    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
-    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
-    src/core/ext/transport/chttp2/transport/alpn.c \
-    src/core/ext/transport/chttp2/transport/bin_encoder.c \
-    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
-    src/core/ext/transport/chttp2/transport/frame_data.c \
-    src/core/ext/transport/chttp2/transport/frame_goaway.c \
-    src/core/ext/transport/chttp2/transport/frame_ping.c \
-    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
-    src/core/ext/transport/chttp2/transport/frame_settings.c \
-    src/core/ext/transport/chttp2/transport/frame_window_update.c \
-    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
-    src/core/ext/transport/chttp2/transport/hpack_parser.c \
-    src/core/ext/transport/chttp2/transport/hpack_table.c \
-    src/core/ext/transport/chttp2/transport/huffsyms.c \
-    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
-    src/core/ext/transport/chttp2/transport/parsing.c \
-    src/core/ext/transport/chttp2/transport/status_conversion.c \
-    src/core/ext/transport/chttp2/transport/stream_lists.c \
-    src/core/ext/transport/chttp2/transport/stream_map.c \
-    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
-    src/core/ext/transport/chttp2/transport/varint.c \
-    src/core/ext/transport/chttp2/transport/writing.c \
     src/core/lib/channel/channel_args.c \
     src/core/lib/channel/channel_stack.c \
     src/core/lib/channel/channel_stack_builder.c \
-    src/core/lib/channel/client_channel.c \
     src/core/lib/channel/compress_filter.c \
     src/core/lib/channel/connected_channel.c \
     src/core/lib/channel/http_client_filter.c \
     src/core/lib/channel/http_server_filter.c \
-    src/core/lib/channel/subchannel_call_holder.c \
-    src/core/lib/client_config/client_config.c \
-    src/core/lib/client_config/connector.c \
-    src/core/lib/client_config/default_initial_connect_string.c \
-    src/core/lib/client_config/initial_connect_string.c \
-    src/core/lib/client_config/lb_policy.c \
-    src/core/lib/client_config/lb_policy_factory.c \
-    src/core/lib/client_config/lb_policy_registry.c \
-    src/core/lib/client_config/resolver.c \
-    src/core/lib/client_config/resolver_factory.c \
-    src/core/lib/client_config/resolver_registry.c \
-    src/core/lib/client_config/subchannel.c \
-    src/core/lib/client_config/subchannel_factory.c \
-    src/core/lib/client_config/subchannel_index.c \
-    src/core/lib/client_config/uri_parser.c \
     src/core/lib/compression/compression_algorithm.c \
     src/core/lib/compression/message_compress.c \
     src/core/lib/debug/trace.c \
     src/core/lib/http/format_request.c \
     src/core/lib/http/httpcli.c \
-    src/core/lib/http/httpcli_security_connector.c \
     src/core/lib/http/parser.c \
     src/core/lib/iomgr/closure.c \
     src/core/lib/iomgr/endpoint.c \
@@ -2551,6 +2496,56 @@
     src/core/lib/json/json_reader.c \
     src/core/lib/json/json_string.c \
     src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/lib/http/httpcli_security_connector.c \
     src/core/lib/security/b64.c \
     src/core/lib/security/client_auth_filter.c \
     src/core/lib/security/credentials.c \
@@ -2565,56 +2560,79 @@
     src/core/lib/security/security_connector.c \
     src/core/lib/security/security_context.c \
     src/core/lib/security/server_auth_filter.c \
-    src/core/lib/surface/alarm.c \
-    src/core/lib/surface/api_trace.c \
-    src/core/lib/surface/byte_buffer.c \
-    src/core/lib/surface/byte_buffer_reader.c \
-    src/core/lib/surface/call.c \
-    src/core/lib/surface/call_details.c \
-    src/core/lib/surface/call_log_batch.c \
-    src/core/lib/surface/channel.c \
-    src/core/lib/surface/channel_connectivity.c \
-    src/core/lib/surface/channel_init.c \
-    src/core/lib/surface/channel_ping.c \
-    src/core/lib/surface/channel_stack_type.c \
-    src/core/lib/surface/completion_queue.c \
-    src/core/lib/surface/event_string.c \
-    src/core/lib/surface/init.c \
     src/core/lib/surface/init_secure.c \
-    src/core/lib/surface/lame_client.c \
-    src/core/lib/surface/metadata_array.c \
-    src/core/lib/surface/server.c \
-    src/core/lib/surface/validate_metadata.c \
-    src/core/lib/surface/version.c \
-    src/core/lib/transport/byte_stream.c \
-    src/core/lib/transport/connectivity_state.c \
-    src/core/lib/transport/metadata.c \
-    src/core/lib/transport/metadata_batch.c \
-    src/core/lib/transport/static_metadata.c \
-    src/core/lib/transport/transport.c \
-    src/core/lib/transport/transport_op_string.c \
     src/core/lib/tsi/fake_transport_security.c \
     src/core/lib/tsi/ssl_transport_security.c \
     src/core/lib/tsi/transport_security.c \
-    src/core/plugin_registry/grpc_plugin_registry.c \
+    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_plugin_registry.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer.h \
     include/grpc/byte_buffer_reader.h \
-    include/grpc/census.h \
     include/grpc/compression.h \
     include/grpc/grpc.h \
-    include/grpc/grpc_security.h \
+    include/grpc/status.h \
     include/grpc/impl/codegen/byte_buffer.h \
     include/grpc/impl/codegen/compression_types.h \
     include/grpc/impl/codegen/connectivity_state.h \
     include/grpc/impl/codegen/grpc_types.h \
     include/grpc/impl/codegen/propagation_bits.h \
     include/grpc/impl/codegen/status.h \
-    include/grpc/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc/grpc_security.h \
+    include/grpc/census.h \
 
 LIBGRPC_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_SRC))))
 
@@ -2668,59 +2686,16 @@
 endif
 
 
-LIBGRPC_CODEGEN_LIB_SRC = \
-
-PUBLIC_HEADERS_C += \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/byte_buffer.h \
-    include/grpc/impl/codegen/compression_types.h \
-    include/grpc/impl/codegen/connectivity_state.h \
-    include/grpc/impl/codegen/grpc_types.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/propagation_bits.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/status.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
-
-LIBGRPC_CODEGEN_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_CODEGEN_LIB_SRC))))
-
-
-$(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a: $(ZLIB_DEP)  $(LIBGRPC_CODEGEN_LIB_OBJS) 
-	$(E) "[AR]      Creating $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a
-	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a $(LIBGRPC_CODEGEN_LIB_OBJS) 
-ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc_codegen_lib.a
-endif
-
-
-
-
-ifneq ($(NO_DEPS),true)
--include $(LIBGRPC_CODEGEN_LIB_OBJS:.o=.dep)
-endif
-
-
 LIBGRPC_TEST_UTIL_SRC = \
-    test/core/end2end/cq_verifier.c \
     test/core/end2end/data/server1_cert.c \
     test/core/end2end/data/server1_key.c \
     test/core/end2end/data/test_root_cert.c \
+    test/core/security/oauth2_utils.c \
+    test/core/end2end/cq_verifier.c \
     test/core/end2end/fixtures/proxy.c \
     test/core/iomgr/endpoint_tests.c \
-    test/core/security/oauth2_utils.c \
     test/core/util/grpc_profiler.c \
+    test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
     test/core/util/port_posix.c \
     test/core/util/port_server_client.c \
@@ -2768,6 +2743,7 @@
     test/core/end2end/fixtures/proxy.c \
     test/core/iomgr/endpoint_tests.c \
     test/core/util/grpc_profiler.c \
+    test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
     test/core/util/port_posix.c \
     test/core/util/port_server_client.c \
@@ -2797,67 +2773,14 @@
 
 
 LIBGRPC_UNSECURE_SRC = \
-    src/core/ext/census/context.c \
-    src/core/ext/census/grpc_context.c \
-    src/core/ext/census/grpc_filter.c \
-    src/core/ext/census/grpc_plugin.c \
-    src/core/ext/census/initialize.c \
-    src/core/ext/census/mlog.c \
-    src/core/ext/census/operation.c \
-    src/core/ext/census/placeholders.c \
-    src/core/ext/census/tracing.c \
-    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
-    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
-    src/core/ext/lb_policy/pick_first/pick_first.c \
-    src/core/ext/lb_policy/round_robin/round_robin.c \
-    src/core/ext/resolver/dns/native/dns_resolver.c \
-    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
-    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
-    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
-    src/core/ext/transport/chttp2/transport/alpn.c \
-    src/core/ext/transport/chttp2/transport/bin_encoder.c \
-    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
-    src/core/ext/transport/chttp2/transport/frame_data.c \
-    src/core/ext/transport/chttp2/transport/frame_goaway.c \
-    src/core/ext/transport/chttp2/transport/frame_ping.c \
-    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
-    src/core/ext/transport/chttp2/transport/frame_settings.c \
-    src/core/ext/transport/chttp2/transport/frame_window_update.c \
-    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
-    src/core/ext/transport/chttp2/transport/hpack_parser.c \
-    src/core/ext/transport/chttp2/transport/hpack_table.c \
-    src/core/ext/transport/chttp2/transport/huffsyms.c \
-    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
-    src/core/ext/transport/chttp2/transport/parsing.c \
-    src/core/ext/transport/chttp2/transport/status_conversion.c \
-    src/core/ext/transport/chttp2/transport/stream_lists.c \
-    src/core/ext/transport/chttp2/transport/stream_map.c \
-    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
-    src/core/ext/transport/chttp2/transport/varint.c \
-    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/lib/surface/init_unsecure.c \
     src/core/lib/channel/channel_args.c \
     src/core/lib/channel/channel_stack.c \
     src/core/lib/channel/channel_stack_builder.c \
-    src/core/lib/channel/client_channel.c \
     src/core/lib/channel/compress_filter.c \
     src/core/lib/channel/connected_channel.c \
     src/core/lib/channel/http_client_filter.c \
     src/core/lib/channel/http_server_filter.c \
-    src/core/lib/channel/subchannel_call_holder.c \
-    src/core/lib/client_config/client_config.c \
-    src/core/lib/client_config/connector.c \
-    src/core/lib/client_config/default_initial_connect_string.c \
-    src/core/lib/client_config/initial_connect_string.c \
-    src/core/lib/client_config/lb_policy.c \
-    src/core/lib/client_config/lb_policy_factory.c \
-    src/core/lib/client_config/lb_policy_registry.c \
-    src/core/lib/client_config/resolver.c \
-    src/core/lib/client_config/resolver_factory.c \
-    src/core/lib/client_config/resolver_registry.c \
-    src/core/lib/client_config/subchannel.c \
-    src/core/lib/client_config/subchannel_factory.c \
-    src/core/lib/client_config/subchannel_index.c \
-    src/core/lib/client_config/uri_parser.c \
     src/core/lib/compression/compression_algorithm.c \
     src/core/lib/compression/message_compress.c \
     src/core/lib/debug/trace.c \
@@ -2915,14 +2838,12 @@
     src/core/lib/surface/call_details.c \
     src/core/lib/surface/call_log_batch.c \
     src/core/lib/surface/channel.c \
-    src/core/lib/surface/channel_connectivity.c \
     src/core/lib/surface/channel_init.c \
     src/core/lib/surface/channel_ping.c \
     src/core/lib/surface/channel_stack_type.c \
     src/core/lib/surface/completion_queue.c \
     src/core/lib/surface/event_string.c \
     src/core/lib/surface/init.c \
-    src/core/lib/surface/init_unsecure.c \
     src/core/lib/surface/lame_client.c \
     src/core/lib/surface/metadata_array.c \
     src/core/lib/surface/server.c \
@@ -2935,24 +2856,95 @@
     src/core/lib/transport/static_metadata.c \
     src/core/lib/transport/transport.c \
     src/core/lib/transport/transport_op_string.c \
-    src/core/plugin_registry/grpc_unsecure_plugin_registry.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_unsecure_plugin_registry.c \
 
 PUBLIC_HEADERS_C += \
     include/grpc/byte_buffer.h \
     include/grpc/byte_buffer_reader.h \
-    include/grpc/census.h \
     include/grpc/compression.h \
     include/grpc/grpc.h \
+    include/grpc/status.h \
     include/grpc/impl/codegen/byte_buffer.h \
     include/grpc/impl/codegen/compression_types.h \
     include/grpc/impl/codegen/connectivity_state.h \
     include/grpc/impl/codegen/grpc_types.h \
     include/grpc/impl/codegen/propagation_bits.h \
     include/grpc/impl/codegen/status.h \
-    include/grpc/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc/census.h \
 
 LIBGRPC_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_UNSECURE_SRC))))
 
@@ -3138,6 +3130,12 @@
 
 
 LIBGRPC++_SRC = \
+    src/cpp/client/secure_credentials.cc \
+    src/cpp/common/auth_property_iterator.cc \
+    src/cpp/common/secure_auth_context.cc \
+    src/cpp/common/secure_channel_arguments.cc \
+    src/cpp/common/secure_create_auth_context.cc \
+    src/cpp/server/secure_server_credentials.cc \
     src/cpp/client/channel.cc \
     src/cpp/client/client_context.cc \
     src/cpp/client/create_channel.cc \
@@ -3145,21 +3143,14 @@
     src/cpp/client/credentials.cc \
     src/cpp/client/generic_stub.cc \
     src/cpp/client/insecure_credentials.cc \
-    src/cpp/client/secure_credentials.cc \
-    src/cpp/codegen/codegen_init.cc \
-    src/cpp/common/auth_property_iterator.cc \
     src/cpp/common/channel_arguments.cc \
     src/cpp/common/completion_queue.cc \
     src/cpp/common/core_codegen.cc \
     src/cpp/common/rpc_method.cc \
-    src/cpp/common/secure_auth_context.cc \
-    src/cpp/common/secure_channel_arguments.cc \
-    src/cpp/common/secure_create_auth_context.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
     src/cpp/server/dynamic_thread_pool.cc \
     src/cpp/server/insecure_server_credentials.cc \
-    src/cpp/server/secure_server_credentials.cc \
     src/cpp/server/server.cc \
     src/cpp/server/server_builder.cc \
     src/cpp/server/server_context.cc \
@@ -3169,6 +3160,7 @@
     src/cpp/util/status.cc \
     src/cpp/util/string_ref.cc \
     src/cpp/util/time.cc \
+    src/cpp/codegen/codegen_init.cc \
 
 PUBLIC_HEADERS_CXX += \
     include/grpc++/alarm.h \
@@ -3181,37 +3173,6 @@
     include/grpc++/grpc++.h \
     include/grpc++/impl/call.h \
     include/grpc++/impl/client_unary_call.h \
-    include/grpc++/impl/codegen/async_stream.h \
-    include/grpc++/impl/codegen/async_unary_call.h \
-    include/grpc++/impl/codegen/call.h \
-    include/grpc++/impl/codegen/call_hook.h \
-    include/grpc++/impl/codegen/channel_interface.h \
-    include/grpc++/impl/codegen/client_context.h \
-    include/grpc++/impl/codegen/client_unary_call.h \
-    include/grpc++/impl/codegen/completion_queue.h \
-    include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
-    include/grpc++/impl/codegen/core_codegen_interface.h \
-    include/grpc++/impl/codegen/grpc_library.h \
-    include/grpc++/impl/codegen/method_handler_impl.h \
-    include/grpc++/impl/codegen/proto_utils.h \
-    include/grpc++/impl/codegen/rpc_method.h \
-    include/grpc++/impl/codegen/rpc_service_method.h \
-    include/grpc++/impl/codegen/security/auth_context.h \
-    include/grpc++/impl/codegen/serialization_traits.h \
-    include/grpc++/impl/codegen/server_context.h \
-    include/grpc++/impl/codegen/server_interface.h \
-    include/grpc++/impl/codegen/service_type.h \
-    include/grpc++/impl/codegen/status.h \
-    include/grpc++/impl/codegen/status_code_enum.h \
-    include/grpc++/impl/codegen/string_ref.h \
-    include/grpc++/impl/codegen/stub_options.h \
-    include/grpc++/impl/codegen/sync.h \
-    include/grpc++/impl/codegen/sync_cxx11.h \
-    include/grpc++/impl/codegen/sync_no_cxx11.h \
-    include/grpc++/impl/codegen/sync_stream.h \
-    include/grpc++/impl/codegen/time.h \
     include/grpc++/impl/grpc_library.h \
     include/grpc++/impl/method_handler_impl.h \
     include/grpc++/impl/proto_utils.h \
@@ -3237,8 +3198,6 @@
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
     include/grpc++/support/channel_arguments.h \
-    include/grpc++/support/config.h \
-    include/grpc++/support/config_protobuf.h \
     include/grpc++/support/slice.h \
     include/grpc++/support/status.h \
     include/grpc++/support/status_code_enum.h \
@@ -3246,6 +3205,59 @@
     include/grpc++/support/stub_options.h \
     include/grpc++/support/sync_stream.h \
     include/grpc++/support/time.h \
+    include/grpc++/impl/codegen/async_stream.h \
+    include/grpc++/impl/codegen/async_unary_call.h \
+    include/grpc++/impl/codegen/call.h \
+    include/grpc++/impl/codegen/call_hook.h \
+    include/grpc++/impl/codegen/channel_interface.h \
+    include/grpc++/impl/codegen/client_context.h \
+    include/grpc++/impl/codegen/client_unary_call.h \
+    include/grpc++/impl/codegen/completion_queue.h \
+    include/grpc++/impl/codegen/completion_queue_tag.h \
+    include/grpc++/impl/codegen/core_codegen_interface.h \
+    include/grpc++/impl/codegen/grpc_library.h \
+    include/grpc++/impl/codegen/method_handler_impl.h \
+    include/grpc++/impl/codegen/proto_utils.h \
+    include/grpc++/impl/codegen/rpc_method.h \
+    include/grpc++/impl/codegen/rpc_service_method.h \
+    include/grpc++/impl/codegen/security/auth_context.h \
+    include/grpc++/impl/codegen/serialization_traits.h \
+    include/grpc++/impl/codegen/server_context.h \
+    include/grpc++/impl/codegen/server_interface.h \
+    include/grpc++/impl/codegen/service_type.h \
+    include/grpc++/impl/codegen/status.h \
+    include/grpc++/impl/codegen/status_code_enum.h \
+    include/grpc++/impl/codegen/string_ref.h \
+    include/grpc++/impl/codegen/stub_options.h \
+    include/grpc++/impl/codegen/sync.h \
+    include/grpc++/impl/codegen/sync_cxx11.h \
+    include/grpc++/impl/codegen/sync_no_cxx11.h \
+    include/grpc++/impl/codegen/sync_stream.h \
+    include/grpc++/impl/codegen/time.h \
+    include/grpc/impl/codegen/byte_buffer.h \
+    include/grpc/impl/codegen/compression_types.h \
+    include/grpc/impl/codegen/connectivity_state.h \
+    include/grpc/impl/codegen/grpc_types.h \
+    include/grpc/impl/codegen/propagation_bits.h \
+    include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
 
 LIBGRPC++_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_SRC))))
 
@@ -3310,111 +3322,6 @@
 endif
 
 
-LIBGRPC++_CODEGEN_LIB_SRC = \
-    src/cpp/codegen/codegen_init.cc \
-
-PUBLIC_HEADERS_CXX += \
-    include/grpc++/impl/codegen/async_stream.h \
-    include/grpc++/impl/codegen/async_unary_call.h \
-    include/grpc++/impl/codegen/call.h \
-    include/grpc++/impl/codegen/call_hook.h \
-    include/grpc++/impl/codegen/channel_interface.h \
-    include/grpc++/impl/codegen/client_context.h \
-    include/grpc++/impl/codegen/client_unary_call.h \
-    include/grpc++/impl/codegen/completion_queue.h \
-    include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
-    include/grpc++/impl/codegen/core_codegen_interface.h \
-    include/grpc++/impl/codegen/grpc_library.h \
-    include/grpc++/impl/codegen/method_handler_impl.h \
-    include/grpc++/impl/codegen/proto_utils.h \
-    include/grpc++/impl/codegen/rpc_method.h \
-    include/grpc++/impl/codegen/rpc_service_method.h \
-    include/grpc++/impl/codegen/security/auth_context.h \
-    include/grpc++/impl/codegen/serialization_traits.h \
-    include/grpc++/impl/codegen/server_context.h \
-    include/grpc++/impl/codegen/server_interface.h \
-    include/grpc++/impl/codegen/service_type.h \
-    include/grpc++/impl/codegen/status.h \
-    include/grpc++/impl/codegen/status_code_enum.h \
-    include/grpc++/impl/codegen/string_ref.h \
-    include/grpc++/impl/codegen/stub_options.h \
-    include/grpc++/impl/codegen/sync.h \
-    include/grpc++/impl/codegen/sync_cxx11.h \
-    include/grpc++/impl/codegen/sync_no_cxx11.h \
-    include/grpc++/impl/codegen/sync_stream.h \
-    include/grpc++/impl/codegen/time.h \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/byte_buffer.h \
-    include/grpc/impl/codegen/compression_types.h \
-    include/grpc/impl/codegen/connectivity_state.h \
-    include/grpc/impl/codegen/grpc_types.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/propagation_bits.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/status.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
-
-LIBGRPC++_CODEGEN_LIB_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_CODEGEN_LIB_SRC))))
-
-
-ifeq ($(NO_PROTOBUF),true)
-
-# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.
-
-$(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a: protobuf_dep_error
-
-$(LIBDIR)/$(CONFIG)/$(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT): protobuf_dep_error
-
-else
-
-$(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a: $(ZLIB_DEP)  $(PROTOBUF_DEP) $(LIBGRPC++_CODEGEN_LIB_OBJS) 
-	$(E) "[AR]      Creating $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
-	$(Q) $(AR) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a $(LIBGRPC++_CODEGEN_LIB_OBJS) 
-ifeq ($(SYSTEM),Darwin)
-	$(Q) ranlib -no_warning_for_no_symbols $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
-endif
-
-
-
-ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_CODEGEN_LIB_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP)
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_codegen_lib.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_codegen_lib$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_CODEGEN_LIB_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF)
-else
-$(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_CODEGEN_LIB_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP)
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_CODEGEN_LIB_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF)
-else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_codegen_lib.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_CODEGEN_LIB_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF)
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib$(SHARED_VERSION).so.0
-	$(Q) ln -sf $(SHARED_PREFIX)grpc++_codegen_lib$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib$(SHARED_VERSION).so
-endif
-endif
-
-endif
-
-ifneq ($(NO_DEPS),true)
--include $(LIBGRPC++_CODEGEN_LIB_OBJS:.o=.dep)
-endif
-
-
 LIBGRPC++_TEST_CONFIG_SRC = \
     test/cpp/util/test_config.cc \
 
@@ -3465,9 +3372,9 @@
 
 
 LIBGRPC++_TEST_UTIL_SRC = \
-    $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc \
-    $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc \
     test/cpp/end2end/test_service_impl.cc \
     test/cpp/util/byte_buffer_proto_helper.cc \
     test/cpp/util/cli_call.cc \
@@ -3520,16 +3427,17 @@
 -include $(LIBGRPC++_TEST_UTIL_OBJS:.o=.dep)
 endif
 endif
-$(OBJDIR)/$(CONFIG)/test/cpp/end2end/test_service_impl.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/byte_buffer_proto_helper.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/cli_call.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/create_test_channel.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/string_ref_helper.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/subprocess.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/test_credentials_provider.o: $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/end2end/test_service_impl.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/byte_buffer_proto_helper.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/cli_call.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/create_test_channel.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/string_ref_helper.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/subprocess.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/test_credentials_provider.o: $(GENDIR)/src/proto/grpc/testing/echo_messages.pb.cc $(GENDIR)/src/proto/grpc/testing/echo_messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.pb.cc $(GENDIR)/src/proto/grpc/testing/echo.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.pb.cc $(GENDIR)/src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.cc
 
 
 LIBGRPC++_UNSECURE_SRC = \
+    src/cpp/common/insecure_create_auth_context.cc \
     src/cpp/client/channel.cc \
     src/cpp/client/client_context.cc \
     src/cpp/client/create_channel.cc \
@@ -3537,11 +3445,9 @@
     src/cpp/client/credentials.cc \
     src/cpp/client/generic_stub.cc \
     src/cpp/client/insecure_credentials.cc \
-    src/cpp/codegen/codegen_init.cc \
     src/cpp/common/channel_arguments.cc \
     src/cpp/common/completion_queue.cc \
     src/cpp/common/core_codegen.cc \
-    src/cpp/common/insecure_create_auth_context.cc \
     src/cpp/common/rpc_method.cc \
     src/cpp/server/async_generic_service.cc \
     src/cpp/server/create_default_thread_pool.cc \
@@ -3556,6 +3462,7 @@
     src/cpp/util/status.cc \
     src/cpp/util/string_ref.cc \
     src/cpp/util/time.cc \
+    src/cpp/codegen/codegen_init.cc \
 
 PUBLIC_HEADERS_CXX += \
     include/grpc++/alarm.h \
@@ -3568,37 +3475,6 @@
     include/grpc++/grpc++.h \
     include/grpc++/impl/call.h \
     include/grpc++/impl/client_unary_call.h \
-    include/grpc++/impl/codegen/async_stream.h \
-    include/grpc++/impl/codegen/async_unary_call.h \
-    include/grpc++/impl/codegen/call.h \
-    include/grpc++/impl/codegen/call_hook.h \
-    include/grpc++/impl/codegen/channel_interface.h \
-    include/grpc++/impl/codegen/client_context.h \
-    include/grpc++/impl/codegen/client_unary_call.h \
-    include/grpc++/impl/codegen/completion_queue.h \
-    include/grpc++/impl/codegen/completion_queue_tag.h \
-    include/grpc++/impl/codegen/config.h \
-    include/grpc++/impl/codegen/config_protobuf.h \
-    include/grpc++/impl/codegen/core_codegen_interface.h \
-    include/grpc++/impl/codegen/grpc_library.h \
-    include/grpc++/impl/codegen/method_handler_impl.h \
-    include/grpc++/impl/codegen/proto_utils.h \
-    include/grpc++/impl/codegen/rpc_method.h \
-    include/grpc++/impl/codegen/rpc_service_method.h \
-    include/grpc++/impl/codegen/security/auth_context.h \
-    include/grpc++/impl/codegen/serialization_traits.h \
-    include/grpc++/impl/codegen/server_context.h \
-    include/grpc++/impl/codegen/server_interface.h \
-    include/grpc++/impl/codegen/service_type.h \
-    include/grpc++/impl/codegen/status.h \
-    include/grpc++/impl/codegen/status_code_enum.h \
-    include/grpc++/impl/codegen/string_ref.h \
-    include/grpc++/impl/codegen/stub_options.h \
-    include/grpc++/impl/codegen/sync.h \
-    include/grpc++/impl/codegen/sync_cxx11.h \
-    include/grpc++/impl/codegen/sync_no_cxx11.h \
-    include/grpc++/impl/codegen/sync_stream.h \
-    include/grpc++/impl/codegen/time.h \
     include/grpc++/impl/grpc_library.h \
     include/grpc++/impl/method_handler_impl.h \
     include/grpc++/impl/proto_utils.h \
@@ -3624,8 +3500,6 @@
     include/grpc++/support/async_unary_call.h \
     include/grpc++/support/byte_buffer.h \
     include/grpc++/support/channel_arguments.h \
-    include/grpc++/support/config.h \
-    include/grpc++/support/config_protobuf.h \
     include/grpc++/support/slice.h \
     include/grpc++/support/status.h \
     include/grpc++/support/status_code_enum.h \
@@ -3633,6 +3507,59 @@
     include/grpc++/support/stub_options.h \
     include/grpc++/support/sync_stream.h \
     include/grpc++/support/time.h \
+    include/grpc++/impl/codegen/async_stream.h \
+    include/grpc++/impl/codegen/async_unary_call.h \
+    include/grpc++/impl/codegen/call.h \
+    include/grpc++/impl/codegen/call_hook.h \
+    include/grpc++/impl/codegen/channel_interface.h \
+    include/grpc++/impl/codegen/client_context.h \
+    include/grpc++/impl/codegen/client_unary_call.h \
+    include/grpc++/impl/codegen/completion_queue.h \
+    include/grpc++/impl/codegen/completion_queue_tag.h \
+    include/grpc++/impl/codegen/core_codegen_interface.h \
+    include/grpc++/impl/codegen/grpc_library.h \
+    include/grpc++/impl/codegen/method_handler_impl.h \
+    include/grpc++/impl/codegen/proto_utils.h \
+    include/grpc++/impl/codegen/rpc_method.h \
+    include/grpc++/impl/codegen/rpc_service_method.h \
+    include/grpc++/impl/codegen/security/auth_context.h \
+    include/grpc++/impl/codegen/serialization_traits.h \
+    include/grpc++/impl/codegen/server_context.h \
+    include/grpc++/impl/codegen/server_interface.h \
+    include/grpc++/impl/codegen/service_type.h \
+    include/grpc++/impl/codegen/status.h \
+    include/grpc++/impl/codegen/status_code_enum.h \
+    include/grpc++/impl/codegen/string_ref.h \
+    include/grpc++/impl/codegen/stub_options.h \
+    include/grpc++/impl/codegen/sync.h \
+    include/grpc++/impl/codegen/sync_cxx11.h \
+    include/grpc++/impl/codegen/sync_no_cxx11.h \
+    include/grpc++/impl/codegen/sync_stream.h \
+    include/grpc++/impl/codegen/time.h \
+    include/grpc/impl/codegen/byte_buffer.h \
+    include/grpc/impl/codegen/compression_types.h \
+    include/grpc/impl/codegen/connectivity_state.h \
+    include/grpc/impl/codegen/grpc_types.h \
+    include/grpc/impl/codegen/propagation_bits.h \
+    include/grpc/impl/codegen/status.h \
+    include/grpc/impl/codegen/alloc.h \
+    include/grpc/impl/codegen/atm.h \
+    include/grpc/impl/codegen/atm_gcc_atomic.h \
+    include/grpc/impl/codegen/atm_gcc_sync.h \
+    include/grpc/impl/codegen/atm_win32.h \
+    include/grpc/impl/codegen/log.h \
+    include/grpc/impl/codegen/port_platform.h \
+    include/grpc/impl/codegen/slice.h \
+    include/grpc/impl/codegen/slice_buffer.h \
+    include/grpc/impl/codegen/sync.h \
+    include/grpc/impl/codegen/sync_generic.h \
+    include/grpc/impl/codegen/sync_posix.h \
+    include/grpc/impl/codegen/sync_win32.h \
+    include/grpc/impl/codegen/time.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
 
 LIBGRPC++_UNSECURE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_UNSECURE_SRC))))
 
@@ -3659,18 +3586,18 @@
 
 
 ifeq ($(SYSTEM),MINGW32)
-$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared grpc++_unsecure.def -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION)-dll.a -o $(LIBDIR)/$(CONFIG)/grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr-imp -lgrpc_unsecure-imp -lgrpc-imp
 else
-$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+$(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT): $(LIBGRPC++_UNSECURE_OBJS)  $(ZLIB_DEP) $(PROTOBUF_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
 ifeq ($(SYSTEM),Darwin)
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 else
-	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure
+	$(Q) $(LDXX) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc++_unsecure.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBGRPC++_UNSECURE_OBJS) $(LDLIBS) $(ZLIB_MERGE_LIBS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) -lgpr -lgrpc_unsecure -lgrpc
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so.0
 	$(Q) ln -sf $(SHARED_PREFIX)grpc++_unsecure$(SHARED_VERSION).$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure$(SHARED_VERSION).so
 endif
@@ -3691,20 +3618,10 @@
     src/compiler/ruby_generator.cc \
 
 PUBLIC_HEADERS_CXX += \
-    include/grpc/impl/codegen/alloc.h \
-    include/grpc/impl/codegen/atm.h \
-    include/grpc/impl/codegen/atm_gcc_atomic.h \
-    include/grpc/impl/codegen/atm_gcc_sync.h \
-    include/grpc/impl/codegen/atm_win32.h \
-    include/grpc/impl/codegen/log.h \
-    include/grpc/impl/codegen/port_platform.h \
-    include/grpc/impl/codegen/slice.h \
-    include/grpc/impl/codegen/slice_buffer.h \
-    include/grpc/impl/codegen/sync.h \
-    include/grpc/impl/codegen/sync_generic.h \
-    include/grpc/impl/codegen/sync_posix.h \
-    include/grpc/impl/codegen/sync_win32.h \
-    include/grpc/impl/codegen/time.h \
+    include/grpc++/support/config.h \
+    include/grpc++/support/config_protobuf.h \
+    include/grpc++/impl/codegen/config.h \
+    include/grpc++/impl/codegen/config_protobuf.h \
 
 LIBGRPC_PLUGIN_SUPPORT_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_PLUGIN_SUPPORT_SRC))))
 
@@ -3946,12 +3863,12 @@
 
 
 LIBQPS_SRC = \
-    $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc \
-    $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc \
-    $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
+    $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc \
     test/cpp/qps/client_async.cc \
     test/cpp/qps/client_sync.cc \
     test/cpp/qps/driver.cc \
@@ -4008,17 +3925,17 @@
 -include $(LIBQPS_OBJS:.o=.dep)
 endif
 endif
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/client_async.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/client_sync.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/driver.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/limit_cores.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/perf_db_client.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_worker.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/report.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/server_async.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/server_sync.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/usage_timer.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
-$(OBJDIR)/$(CONFIG)/test/cpp/util/benchmark_config.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/client_async.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/client_sync.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/driver.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/limit_cores.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/perf_db_client.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_worker.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/report.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/server_async.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/server_sync.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/usage_timer.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/test/cpp/util/benchmark_config.o: $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc
 
 
 LIBGRPC_CSHARP_EXT_SRC = \
@@ -5846,6 +5763,7 @@
     test/core/end2end/tests/default_host.c \
     test/core/end2end/tests/disappearing_server.c \
     test/core/end2end/tests/empty_batch.c \
+    test/core/end2end/tests/filter_causes_close.c \
     test/core/end2end/tests/graceful_server_shutdown.c \
     test/core/end2end/tests/high_initial_seqno.c \
     test/core/end2end/tests/hpack_size.c \
@@ -5921,6 +5839,7 @@
     test/core/end2end/tests/default_host.c \
     test/core/end2end/tests/disappearing_server.c \
     test/core/end2end/tests/empty_batch.c \
+    test/core/end2end/tests/filter_causes_close.c \
     test/core/end2end/tests/graceful_server_shutdown.c \
     test/core/end2end/tests/high_initial_seqno.c \
     test/core/end2end/tests/hpack_size.c \
@@ -8659,6 +8578,70 @@
 endif
 
 
+NANOPB_FUZZER_RESPONSE_TEST_SRC = \
+    test/core/nanopb/fuzzer_response.c \
+
+NANOPB_FUZZER_RESPONSE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_RESPONSE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test: $(NANOPB_FUZZER_RESPONSE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(NANOPB_FUZZER_RESPONSE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_response.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_response_test: $(NANOPB_FUZZER_RESPONSE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_RESPONSE_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_SERVERLIST_TEST_SRC = \
+    test/core/nanopb/fuzzer_serverlist.c \
+
+NANOPB_FUZZER_SERVERLIST_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_SERVERLIST_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test: $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_serverlist.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_serverlist_test: $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_SERVERLIST_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 NO_SERVER_TEST_SRC = \
     test/core/end2end/no_server_test.c \
 
@@ -8819,6 +8802,38 @@
 endif
 
 
+SERVER_FUZZER_SRC = \
+    test/core/end2end/fuzzers/server_fuzzer.c \
+
+SERVER_FUZZER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SERVER_FUZZER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/server_fuzzer: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/server_fuzzer: $(SERVER_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(SERVER_FUZZER_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -lFuzzer -o $(BINDIR)/$(CONFIG)/server_fuzzer
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/server_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_server_fuzzer: $(SERVER_FUZZER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SERVER_FUZZER_OBJS:.o=.dep)
+endif
+endif
+
+
 SERVER_TEST_SRC = \
     test/core/surface/server_test.c \
 
@@ -9854,6 +9869,7 @@
     $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc \
     $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc \
     test/cpp/codegen/codegen_test.cc \
+    src/cpp/codegen/codegen_init.cc \
 
 CODEGEN_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CODEGEN_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -9875,28 +9891,30 @@
 
 else
 
-$(BINDIR)/$(CONFIG)/codegen_test: $(PROTOBUF_DEP) $(CODEGEN_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(BINDIR)/$(CONFIG)/codegen_test: $(PROTOBUF_DEP) $(CODEGEN_TEST_OBJS)
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test
+	$(Q) $(LDXX) $(LDFLAGS) $(CODEGEN_TEST_OBJS) $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/codegen_test
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/control.o: 
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/messages.o: 
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/payloads.o: 
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/perf_db.o: 
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/services.o: 
 
-$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/src/proto/grpc/testing/stats.o: 
 
-$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_codegen_lib.a
+$(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test.o: 
+
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: 
 
 deps_codegen_test: $(CODEGEN_TEST_OBJS:.o=.dep)
 
@@ -9906,6 +9924,7 @@
 endif
 endif
 $(OBJDIR)/$(CONFIG)/test/cpp/codegen/codegen_test.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
+$(OBJDIR)/$(CONFIG)/src/cpp/codegen/codegen_init.o: $(GENDIR)/src/proto/grpc/testing/control.pb.cc $(GENDIR)/src/proto/grpc/testing/control.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.pb.cc $(GENDIR)/src/proto/grpc/testing/messages.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.pb.cc $(GENDIR)/src/proto/grpc/testing/payloads.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.pb.cc $(GENDIR)/src/proto/grpc/testing/perf_db.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/services.pb.cc $(GENDIR)/src/proto/grpc/testing/services.grpc.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.pb.cc $(GENDIR)/src/proto/grpc/testing/stats.grpc.pb.cc
 
 
 CREDENTIALS_TEST_SRC = \
@@ -10645,6 +10664,49 @@
 endif
 
 
+JSON_RUN_LOCALHOST_SRC = \
+    test/cpp/qps/json_run_localhost.cc \
+
+JSON_RUN_LOCALHOST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(JSON_RUN_LOCALHOST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/json_run_localhost: $(PROTOBUF_DEP) $(JSON_RUN_LOCALHOST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(JSON_RUN_LOCALHOST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/json_run_localhost
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/json_run_localhost.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+
+deps_json_run_localhost: $(JSON_RUN_LOCALHOST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(JSON_RUN_LOCALHOST_OBJS:.o=.dep)
+endif
+endif
+
+
 METRICS_CLIENT_SRC = \
     $(GENDIR)/src/proto/grpc/testing/metrics.pb.cc $(GENDIR)/src/proto/grpc/testing/metrics.grpc.pb.cc \
     test/cpp/interop/metrics_client.cc \
@@ -10821,6 +10883,49 @@
 endif
 
 
+QPS_JSON_DRIVER_SRC = \
+    test/cpp/qps/qps_json_driver.cc \
+
+QPS_JSON_DRIVER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(QPS_JSON_DRIVER_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/qps_json_driver: openssl_dep_error
+
+else
+
+
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/qps_json_driver: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/qps_json_driver: $(PROTOBUF_DEP) $(QPS_JSON_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_JSON_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_json_driver
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_json_driver.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+
+deps_qps_json_driver: $(QPS_JSON_DRIVER_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(QPS_JSON_DRIVER_OBJS:.o=.dep)
+endif
+endif
+
+
 QPS_OPENLOOP_TEST_SRC = \
     test/cpp/qps/qps_openloop_test.cc \
 
@@ -12676,6 +12781,26 @@
 endif
 
 
+HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC = \
+    test/core/bad_client/tests/head_of_line_blocking.c \
+
+HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test: $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/head_of_line_blocking_bad_client_test
+
+$(OBJDIR)/$(CONFIG)/test/core/bad_client/tests/head_of_line_blocking.o:  $(LIBDIR)/$(CONFIG)/libbad_client_test.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_head_of_line_blocking_bad_client_test: $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(HEAD_OF_LINE_BLOCKING_BAD_CLIENT_TEST_OBJS:.o=.dep)
+endif
+
+
 HEADERS_BAD_CLIENT_TEST_SRC = \
     test/core/bad_client/tests/headers.c \
 
@@ -13668,6 +13793,102 @@
 endif
 
 
+NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_SRC = \
+    test/core/nanopb/fuzzer_response.c \
+
+NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry: $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_response_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_response.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_response_test_one_entry: $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_RESPONSE_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_SRC = \
+    test/core/nanopb/fuzzer_serverlist.c \
+
+NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry: $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/nanopb_fuzzer_serverlist_test_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/nanopb/fuzzer_serverlist.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_nanopb_fuzzer_serverlist_test_one_entry: $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(NANOPB_FUZZER_SERVERLIST_TEST_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
+SERVER_FUZZER_ONE_ENTRY_SRC = \
+    test/core/end2end/fuzzers/server_fuzzer.c \
+
+SERVER_FUZZER_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SERVER_FUZZER_ONE_ENTRY_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/server_fuzzer_one_entry: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/server_fuzzer_one_entry: $(SERVER_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(SERVER_FUZZER_ONE_ENTRY_OBJS) $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/server_fuzzer_one_entry
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fuzzers/server_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libone_input_fuzzer.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_server_fuzzer_one_entry: $(SERVER_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(SERVER_FUZZER_ONE_ENTRY_OBJS:.o=.dep)
+endif
+endif
+
+
 URI_FUZZER_TEST_ONE_ENTRY_SRC = \
     test/core/client_config/uri_fuzzer_test.c \
 
diff --git a/README.md b/README.md
index abb4905..3ee2b9f 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 [![Join the chat at https://gitter.im/grpc/grpc](https://badges.gitter.im/grpc/grpc.svg)](https://gitter.im/grpc/grpc?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-Copyright 2015-2016 Google Inc.
+Copyright 2015 Google Inc.
 
 #Documentation
 
diff --git a/binding.gyp b/binding.gyp
index 8b987fe..8efc8a2 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -558,75 +558,18 @@
         'gpr',
       ],
       'sources': [
-        'src/core/ext/census/context.c',
-        'src/core/ext/census/grpc_context.c',
-        'src/core/ext/census/grpc_filter.c',
-        'src/core/ext/census/grpc_plugin.c',
-        'src/core/ext/census/initialize.c',
-        'src/core/ext/census/mlog.c',
-        'src/core/ext/census/operation.c',
-        'src/core/ext/census/placeholders.c',
-        'src/core/ext/census/tracing.c',
-        'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
-        'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
-        'src/core/ext/lb_policy/pick_first/pick_first.c',
-        'src/core/ext/lb_policy/round_robin/round_robin.c',
-        'src/core/ext/resolver/dns/native/dns_resolver.c',
-        'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
-        'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
-        'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
-        'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
-        'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
-        'src/core/ext/transport/chttp2/transport/alpn.c',
-        'src/core/ext/transport/chttp2/transport/bin_encoder.c',
-        'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
-        'src/core/ext/transport/chttp2/transport/frame_data.c',
-        'src/core/ext/transport/chttp2/transport/frame_goaway.c',
-        'src/core/ext/transport/chttp2/transport/frame_ping.c',
-        'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
-        'src/core/ext/transport/chttp2/transport/frame_settings.c',
-        'src/core/ext/transport/chttp2/transport/frame_window_update.c',
-        'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
-        'src/core/ext/transport/chttp2/transport/hpack_parser.c',
-        'src/core/ext/transport/chttp2/transport/hpack_table.c',
-        'src/core/ext/transport/chttp2/transport/huffsyms.c',
-        'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
-        'src/core/ext/transport/chttp2/transport/parsing.c',
-        'src/core/ext/transport/chttp2/transport/status_conversion.c',
-        'src/core/ext/transport/chttp2/transport/stream_lists.c',
-        'src/core/ext/transport/chttp2/transport/stream_map.c',
-        'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
-        'src/core/ext/transport/chttp2/transport/varint.c',
-        'src/core/ext/transport/chttp2/transport/writing.c',
         'src/core/lib/channel/channel_args.c',
         'src/core/lib/channel/channel_stack.c',
         'src/core/lib/channel/channel_stack_builder.c',
-        'src/core/lib/channel/client_channel.c',
         'src/core/lib/channel/compress_filter.c',
         'src/core/lib/channel/connected_channel.c',
         'src/core/lib/channel/http_client_filter.c',
         'src/core/lib/channel/http_server_filter.c',
-        'src/core/lib/channel/subchannel_call_holder.c',
-        'src/core/lib/client_config/client_config.c',
-        'src/core/lib/client_config/connector.c',
-        'src/core/lib/client_config/default_initial_connect_string.c',
-        'src/core/lib/client_config/initial_connect_string.c',
-        'src/core/lib/client_config/lb_policy.c',
-        'src/core/lib/client_config/lb_policy_factory.c',
-        'src/core/lib/client_config/lb_policy_registry.c',
-        'src/core/lib/client_config/resolver.c',
-        'src/core/lib/client_config/resolver_factory.c',
-        'src/core/lib/client_config/resolver_registry.c',
-        'src/core/lib/client_config/subchannel.c',
-        'src/core/lib/client_config/subchannel_factory.c',
-        'src/core/lib/client_config/subchannel_index.c',
-        'src/core/lib/client_config/uri_parser.c',
         'src/core/lib/compression/compression_algorithm.c',
         'src/core/lib/compression/message_compress.c',
         'src/core/lib/debug/trace.c',
         'src/core/lib/http/format_request.c',
         'src/core/lib/http/httpcli.c',
-        'src/core/lib/http/httpcli_security_connector.c',
         'src/core/lib/http/parser.c',
         'src/core/lib/iomgr/closure.c',
         'src/core/lib/iomgr/endpoint.c',
@@ -671,6 +614,56 @@
         'src/core/lib/json/json_reader.c',
         'src/core/lib/json/json_string.c',
         'src/core/lib/json/json_writer.c',
+        'src/core/lib/surface/alarm.c',
+        'src/core/lib/surface/api_trace.c',
+        'src/core/lib/surface/byte_buffer.c',
+        'src/core/lib/surface/byte_buffer_reader.c',
+        'src/core/lib/surface/call.c',
+        'src/core/lib/surface/call_details.c',
+        'src/core/lib/surface/call_log_batch.c',
+        'src/core/lib/surface/channel.c',
+        'src/core/lib/surface/channel_init.c',
+        'src/core/lib/surface/channel_ping.c',
+        'src/core/lib/surface/channel_stack_type.c',
+        'src/core/lib/surface/completion_queue.c',
+        'src/core/lib/surface/event_string.c',
+        'src/core/lib/surface/init.c',
+        'src/core/lib/surface/lame_client.c',
+        'src/core/lib/surface/metadata_array.c',
+        'src/core/lib/surface/server.c',
+        'src/core/lib/surface/validate_metadata.c',
+        'src/core/lib/surface/version.c',
+        'src/core/lib/transport/byte_stream.c',
+        'src/core/lib/transport/connectivity_state.c',
+        'src/core/lib/transport/metadata.c',
+        'src/core/lib/transport/metadata_batch.c',
+        'src/core/lib/transport/static_metadata.c',
+        'src/core/lib/transport/transport.c',
+        'src/core/lib/transport/transport_op_string.c',
+        'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+        'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+        'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+        'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+        'src/core/ext/transport/chttp2/transport/frame_data.c',
+        'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+        'src/core/ext/transport/chttp2/transport/frame_ping.c',
+        'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+        'src/core/ext/transport/chttp2/transport/frame_settings.c',
+        'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+        'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+        'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+        'src/core/ext/transport/chttp2/transport/hpack_table.c',
+        'src/core/ext/transport/chttp2/transport/huffsyms.c',
+        'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+        'src/core/ext/transport/chttp2/transport/parsing.c',
+        'src/core/ext/transport/chttp2/transport/status_conversion.c',
+        'src/core/ext/transport/chttp2/transport/stream_lists.c',
+        'src/core/ext/transport/chttp2/transport/stream_map.c',
+        'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+        'src/core/ext/transport/chttp2/transport/varint.c',
+        'src/core/ext/transport/chttp2/transport/writing.c',
+        'src/core/ext/transport/chttp2/alpn/alpn.c',
+        'src/core/lib/http/httpcli_security_connector.c',
         'src/core/lib/security/b64.c',
         'src/core/lib/security/client_auth_filter.c',
         'src/core/lib/security/credentials.c',
@@ -685,41 +678,50 @@
         'src/core/lib/security/security_connector.c',
         'src/core/lib/security/security_context.c',
         'src/core/lib/security/server_auth_filter.c',
-        'src/core/lib/surface/alarm.c',
-        'src/core/lib/surface/api_trace.c',
-        'src/core/lib/surface/byte_buffer.c',
-        'src/core/lib/surface/byte_buffer_reader.c',
-        'src/core/lib/surface/call.c',
-        'src/core/lib/surface/call_details.c',
-        'src/core/lib/surface/call_log_batch.c',
-        'src/core/lib/surface/channel.c',
-        'src/core/lib/surface/channel_connectivity.c',
-        'src/core/lib/surface/channel_init.c',
-        'src/core/lib/surface/channel_ping.c',
-        'src/core/lib/surface/channel_stack_type.c',
-        'src/core/lib/surface/completion_queue.c',
-        'src/core/lib/surface/event_string.c',
-        'src/core/lib/surface/init.c',
         'src/core/lib/surface/init_secure.c',
-        'src/core/lib/surface/lame_client.c',
-        'src/core/lib/surface/metadata_array.c',
-        'src/core/lib/surface/server.c',
-        'src/core/lib/surface/validate_metadata.c',
-        'src/core/lib/surface/version.c',
-        'src/core/lib/transport/byte_stream.c',
-        'src/core/lib/transport/connectivity_state.c',
-        'src/core/lib/transport/metadata.c',
-        'src/core/lib/transport/metadata_batch.c',
-        'src/core/lib/transport/static_metadata.c',
-        'src/core/lib/transport/transport.c',
-        'src/core/lib/transport/transport_op_string.c',
         'src/core/lib/tsi/fake_transport_security.c',
         'src/core/lib/tsi/ssl_transport_security.c',
         'src/core/lib/tsi/transport_security.c',
-        'src/core/plugin_registry/grpc_plugin_registry.c',
+        'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+        'src/core/ext/client_config/channel_connectivity.c',
+        'src/core/ext/client_config/client_channel.c',
+        'src/core/ext/client_config/client_channel_factory.c',
+        'src/core/ext/client_config/client_config.c',
+        'src/core/ext/client_config/client_config_plugin.c',
+        'src/core/ext/client_config/connector.c',
+        'src/core/ext/client_config/default_initial_connect_string.c',
+        'src/core/ext/client_config/initial_connect_string.c',
+        'src/core/ext/client_config/lb_policy.c',
+        'src/core/ext/client_config/lb_policy_factory.c',
+        'src/core/ext/client_config/lb_policy_registry.c',
+        'src/core/ext/client_config/resolver.c',
+        'src/core/ext/client_config/resolver_factory.c',
+        'src/core/ext/client_config/resolver_registry.c',
+        'src/core/ext/client_config/subchannel.c',
+        'src/core/ext/client_config/subchannel_call_holder.c',
+        'src/core/ext/client_config/subchannel_index.c',
+        'src/core/ext/client_config/uri_parser.c',
+        'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+        'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+        'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+        'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
         'third_party/nanopb/pb_common.c',
         'third_party/nanopb/pb_decode.c',
         'third_party/nanopb/pb_encode.c',
+        'src/core/ext/lb_policy/pick_first/pick_first.c',
+        'src/core/ext/lb_policy/round_robin/round_robin.c',
+        'src/core/ext/resolver/dns/native/dns_resolver.c',
+        'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+        'src/core/ext/census/context.c',
+        'src/core/ext/census/grpc_context.c',
+        'src/core/ext/census/grpc_filter.c',
+        'src/core/ext/census/grpc_plugin.c',
+        'src/core/ext/census/initialize.c',
+        'src/core/ext/census/mlog.c',
+        'src/core/ext/census/operation.c',
+        'src/core/ext/census/placeholders.c',
+        'src/core/ext/census/tracing.c',
+        'src/core/plugin_registry/grpc_plugin_registry.c',
       ],
       "conditions": [
         ['OS == "mac"', {
diff --git a/build.yaml b/build.yaml
index 0a71cf7..cbbc3d2 100644
--- a/build.yaml
+++ b/build.yaml
@@ -30,7 +30,9 @@
   - src/core/ext/census/placeholders.c
   - src/core/ext/census/tracing.c
   plugin: census_grpc_plugin
-- name: gpr
+  uses:
+  - grpc_base
+- name: gpr_base
   public_headers:
   - include/grpc/support/alloc.h
   - include/grpc/support/atm.h
@@ -118,6 +120,8 @@
   - src/core/lib/support/tmpfile_posix.c
   - src/core/lib/support/tmpfile_win32.c
   - src/core/lib/support/wrap_memcpy.c
+  uses:
+  - gpr_codegen
 - name: gpr_codegen
   public_headers:
   - include/grpc/impl/codegen/alloc.h
@@ -171,8 +175,6 @@
   - include/grpc++/support/async_unary_call.h
   - include/grpc++/support/byte_buffer.h
   - include/grpc++/support/channel_arguments.h
-  - include/grpc++/support/config.h
-  - include/grpc++/support/config_protobuf.h
   - include/grpc++/support/slice.h
   - include/grpc++/support/status.h
   - include/grpc++/support/status_code_enum.h
@@ -211,6 +213,11 @@
   - src/cpp/util/status.cc
   - src/cpp/util/string_ref.cc
   - src/cpp/util/time.cc
+  deps:
+  - grpc
+  uses:
+  - grpc++_codegen
+  - grpc++_config
 - name: grpc++_codegen
   public_headers:
   - include/grpc++/impl/codegen/async_stream.h
@@ -222,8 +229,6 @@
   - include/grpc++/impl/codegen/client_unary_call.h
   - include/grpc++/impl/codegen/completion_queue.h
   - include/grpc++/impl/codegen/completion_queue_tag.h
-  - include/grpc++/impl/codegen/config.h
-  - include/grpc++/impl/codegen/config_protobuf.h
   - include/grpc++/impl/codegen/core_codegen_interface.h
   - include/grpc++/impl/codegen/grpc_library.h
   - include/grpc++/impl/codegen/method_handler_impl.h
@@ -246,6 +251,19 @@
   - include/grpc++/impl/codegen/time.h
   src:
   - src/cpp/codegen/codegen_init.cc
+  uses:
+  - grpc_codegen
+  - grpc++_config_codegen
+- name: grpc++_config
+  public_headers:
+  - include/grpc++/support/config.h
+  - include/grpc++/support/config_protobuf.h
+  uses:
+  - grpc++_config_codegen
+- name: grpc++_config_codegen
+  public_headers:
+  - include/grpc++/impl/codegen/config.h
+  - include/grpc++/impl/codegen/config_protobuf.h
 - name: grpc_base
   public_headers:
   - include/grpc/byte_buffer.h
@@ -257,26 +275,11 @@
   - src/core/lib/channel/channel_args.h
   - src/core/lib/channel/channel_stack.h
   - src/core/lib/channel/channel_stack_builder.h
-  - src/core/lib/channel/client_channel.h
   - src/core/lib/channel/compress_filter.h
   - src/core/lib/channel/connected_channel.h
   - src/core/lib/channel/context.h
   - src/core/lib/channel/http_client_filter.h
   - src/core/lib/channel/http_server_filter.h
-  - src/core/lib/channel/subchannel_call_holder.h
-  - src/core/lib/client_config/client_config.h
-  - src/core/lib/client_config/connector.h
-  - src/core/lib/client_config/initial_connect_string.h
-  - src/core/lib/client_config/lb_policy.h
-  - src/core/lib/client_config/lb_policy_factory.h
-  - src/core/lib/client_config/lb_policy_registry.h
-  - src/core/lib/client_config/resolver.h
-  - src/core/lib/client_config/resolver_factory.h
-  - src/core/lib/client_config/resolver_registry.h
-  - src/core/lib/client_config/subchannel.h
-  - src/core/lib/client_config/subchannel_factory.h
-  - src/core/lib/client_config/subchannel_index.h
-  - src/core/lib/client_config/uri_parser.h
   - src/core/lib/compression/algorithm_metadata.h
   - src/core/lib/compression/message_compress.h
   - src/core/lib/debug/trace.h
@@ -346,26 +349,10 @@
   - src/core/lib/channel/channel_args.c
   - src/core/lib/channel/channel_stack.c
   - src/core/lib/channel/channel_stack_builder.c
-  - src/core/lib/channel/client_channel.c
   - src/core/lib/channel/compress_filter.c
   - src/core/lib/channel/connected_channel.c
   - src/core/lib/channel/http_client_filter.c
   - src/core/lib/channel/http_server_filter.c
-  - src/core/lib/channel/subchannel_call_holder.c
-  - src/core/lib/client_config/client_config.c
-  - src/core/lib/client_config/connector.c
-  - src/core/lib/client_config/default_initial_connect_string.c
-  - src/core/lib/client_config/initial_connect_string.c
-  - src/core/lib/client_config/lb_policy.c
-  - src/core/lib/client_config/lb_policy_factory.c
-  - src/core/lib/client_config/lb_policy_registry.c
-  - src/core/lib/client_config/resolver.c
-  - src/core/lib/client_config/resolver_factory.c
-  - src/core/lib/client_config/resolver_registry.c
-  - src/core/lib/client_config/subchannel.c
-  - src/core/lib/client_config/subchannel_factory.c
-  - src/core/lib/client_config/subchannel_index.c
-  - src/core/lib/client_config/uri_parser.c
   - src/core/lib/compression/compression_algorithm.c
   - src/core/lib/compression/message_compress.c
   - src/core/lib/debug/trace.c
@@ -423,7 +410,6 @@
   - src/core/lib/surface/call_details.c
   - src/core/lib/surface/call_log_batch.c
   - src/core/lib/surface/channel.c
-  - src/core/lib/surface/channel_connectivity.c
   - src/core/lib/surface/channel_init.c
   - src/core/lib/surface/channel_ping.c
   - src/core/lib/surface/channel_stack_type.c
@@ -442,6 +428,49 @@
   - src/core/lib/transport/static_metadata.c
   - src/core/lib/transport/transport.c
   - src/core/lib/transport/transport_op_string.c
+  deps:
+  - gpr
+  uses:
+  - grpc_codegen
+- name: grpc_client_config
+  headers:
+  - src/core/ext/client_config/client_channel.h
+  - src/core/ext/client_config/client_channel_factory.h
+  - src/core/ext/client_config/client_config.h
+  - src/core/ext/client_config/connector.h
+  - src/core/ext/client_config/initial_connect_string.h
+  - src/core/ext/client_config/lb_policy.h
+  - src/core/ext/client_config/lb_policy_factory.h
+  - src/core/ext/client_config/lb_policy_registry.h
+  - src/core/ext/client_config/resolver.h
+  - src/core/ext/client_config/resolver_factory.h
+  - src/core/ext/client_config/resolver_registry.h
+  - src/core/ext/client_config/subchannel.h
+  - src/core/ext/client_config/subchannel_call_holder.h
+  - src/core/ext/client_config/subchannel_index.h
+  - src/core/ext/client_config/uri_parser.h
+  src:
+  - src/core/ext/client_config/channel_connectivity.c
+  - src/core/ext/client_config/client_channel.c
+  - src/core/ext/client_config/client_channel_factory.c
+  - src/core/ext/client_config/client_config.c
+  - src/core/ext/client_config/client_config_plugin.c
+  - src/core/ext/client_config/connector.c
+  - src/core/ext/client_config/default_initial_connect_string.c
+  - src/core/ext/client_config/initial_connect_string.c
+  - src/core/ext/client_config/lb_policy.c
+  - src/core/ext/client_config/lb_policy_factory.c
+  - src/core/ext/client_config/lb_policy_registry.c
+  - src/core/ext/client_config/resolver.c
+  - src/core/ext/client_config/resolver_factory.c
+  - src/core/ext/client_config/resolver_registry.c
+  - src/core/ext/client_config/subchannel.c
+  - src/core/ext/client_config/subchannel_call_holder.c
+  - src/core/ext/client_config/subchannel_index.c
+  - src/core/ext/client_config/uri_parser.c
+  plugin: grpc_client_config
+  uses:
+  - grpc_base
 - name: grpc_codegen
   public_headers:
   - include/grpc/impl/codegen/byte_buffer.h
@@ -450,6 +479,8 @@
   - include/grpc/impl/codegen/grpc_types.h
   - include/grpc/impl/codegen/propagation_bits.h
   - include/grpc/impl/codegen/status.h
+  uses:
+  - gpr_codegen
 - name: grpc_lb_policy_grpclb
   headers:
   - src/core/ext/lb_policy/grpclb/load_balancer_api.h
@@ -459,31 +490,39 @@
   - src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c
   uses:
   - grpc_base
+  - grpc_client_config
+  - nanopb
 - name: grpc_lb_policy_pick_first
   src:
   - src/core/ext/lb_policy/pick_first/pick_first.c
   plugin: grpc_lb_policy_pick_first
   uses:
   - grpc_base
+  - grpc_client_config
 - name: grpc_lb_policy_round_robin
   src:
   - src/core/ext/lb_policy/round_robin/round_robin.c
   plugin: grpc_lb_policy_round_robin
   uses:
   - grpc_base
+  - grpc_client_config
 - name: grpc_resolver_dns_native
   src:
   - src/core/ext/resolver/dns/native/dns_resolver.c
   plugin: grpc_resolver_dns_native
   uses:
   - grpc_base
+  - grpc_client_config
 - name: grpc_resolver_sockaddr
   src:
   - src/core/ext/resolver/sockaddr/sockaddr_resolver.c
   plugin: grpc_resolver_sockaddr
   uses:
   - grpc_base
+  - grpc_client_config
 - name: grpc_secure
+  public_headers:
+  - include/grpc/grpc_security.h
   headers:
   - src/core/lib/security/auth_filters.h
   - src/core/lib/security/b64.h
@@ -519,12 +558,16 @@
   - src/core/lib/tsi/fake_transport_security.c
   - src/core/lib/tsi/ssl_transport_security.c
   - src/core/lib/tsi/transport_security.c
+  uses:
+  - grpc_base
+  - grpc_transport_chttp2_alpn
 - name: grpc_test_util_base
   headers:
   - test/core/end2end/cq_verifier.h
   - test/core/end2end/fixtures/proxy.h
   - test/core/iomgr/endpoint_tests.h
   - test/core/util/grpc_profiler.h
+  - test/core/util/mock_endpoint.h
   - test/core/util/parse_hexstring.h
   - test/core/util/port.h
   - test/core/util/port_server_client.h
@@ -534,14 +577,17 @@
   - test/core/end2end/fixtures/proxy.c
   - test/core/iomgr/endpoint_tests.c
   - test/core/util/grpc_profiler.c
+  - test/core/util/mock_endpoint.c
   - test/core/util/parse_hexstring.c
   - test/core/util/port_posix.c
   - test/core/util/port_server_client.c
   - test/core/util/port_windows.c
   - test/core/util/slice_splitter.c
+  deps:
+  - grpc
+  - gpr_test_util
 - name: grpc_transport_chttp2
   headers:
-  - src/core/ext/transport/chttp2/transport/alpn.h
   - src/core/ext/transport/chttp2/transport/bin_encoder.h
   - src/core/ext/transport/chttp2/transport/chttp2_transport.h
   - src/core/ext/transport/chttp2/transport/frame.h
@@ -563,8 +609,8 @@
   - src/core/ext/transport/chttp2/transport/timeout_encoding.h
   - src/core/ext/transport/chttp2/transport/varint.h
   src:
-  - src/core/ext/transport/chttp2/transport/alpn.c
   - src/core/ext/transport/chttp2/transport/bin_encoder.c
+  - src/core/ext/transport/chttp2/transport/chttp2_plugin.c
   - src/core/ext/transport/chttp2/transport/chttp2_transport.c
   - src/core/ext/transport/chttp2/transport/frame_data.c
   - src/core/ext/transport/chttp2/transport/frame_goaway.c
@@ -584,20 +630,32 @@
   - src/core/ext/transport/chttp2/transport/timeout_encoding.c
   - src/core/ext/transport/chttp2/transport/varint.c
   - src/core/ext/transport/chttp2/transport/writing.c
+  plugin: grpc_chttp2_plugin
   uses:
   - grpc_base
+  - grpc_transport_chttp2_alpn
+- name: grpc_transport_chttp2_alpn
+  headers:
+  - src/core/ext/transport/chttp2/alpn/alpn.h
+  src:
+  - src/core/ext/transport/chttp2/alpn/alpn.c
+  deps:
+  - gpr
 - name: grpc_transport_chttp2_client_insecure
   src:
   - src/core/ext/transport/chttp2/client/insecure/channel_create.c
   uses:
   - grpc_transport_chttp2
   - grpc_base
+  - grpc_client_config
 - name: grpc_transport_chttp2_client_secure
   src:
   - src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
   uses:
   - grpc_transport_chttp2
   - grpc_base
+  - grpc_client_config
+  - grpc_secure
 - name: grpc_transport_chttp2_server_insecure
   src:
   - src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
@@ -610,6 +668,7 @@
   uses:
   - grpc_transport_chttp2
   - grpc_base
+  - grpc_secure
 - name: nanopb
   headers:
   - third_party/nanopb/pb.h
@@ -625,8 +684,7 @@
   build: all
   language: c
   filegroups:
-  - gpr
-  - gpr_codegen
+  - gpr_base
   secure: false
   vs_project_guid: '{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}'
 - name: gpr_test_util
@@ -643,10 +701,6 @@
 - name: grpc
   build: all
   language: c
-  public_headers:
-  - include/grpc/grpc_security.h
-  deps:
-  - gpr
   baselib: true
   deps_linkage: static
   dll: true
@@ -662,25 +716,13 @@
   - grpc_resolver_dns_native
   - grpc_resolver_sockaddr
   - grpc_secure
-  - grpc_codegen
   - census
-  - nanopb
   generate_plugin_registry: true
   secure: true
   vs_packages:
   - grpc.dependencies.openssl
   - grpc.dependencies.zlib
   vs_project_guid: '{29D16885-7228-4C31-81ED-5F9187C7F2A9}'
-- name: grpc_codegen_lib
-  build: protoc
-  language: c
-  headers: []
-  src: []
-  filegroups:
-  - gpr_codegen
-  - grpc_codegen
-  secure: false
-  vs_project_guid: '{A828FD72-44CE-4EA5-8966-6E4624458D58}'
 - name: grpc_dll
   build: private
   language: c
@@ -736,8 +778,6 @@
   language: c
   src:
   - src/core/lib/surface/init_unsecure.c
-  deps:
-  - gpr
   baselib: true
   deps_linkage: static
   dll: true
@@ -750,9 +790,7 @@
   - grpc_lb_policy_grpclb
   - grpc_lb_policy_pick_first
   - grpc_lb_policy_round_robin
-  - grpc_codegen
   - census
-  - nanopb
   generate_plugin_registry: true
   secure: false
   vs_project_guid: '{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}'
@@ -828,17 +866,6 @@
   - grpc++_codegen
   secure: check
   vs_project_guid: '{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}'
-- name: grpc++_codegen_lib
-  build: all
-  language: c++
-  headers: []
-  src: []
-  filegroups:
-  - gpr_codegen
-  - grpc_codegen
-  - grpc++_codegen
-  secure: false
-  vs_project_guid: '{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}'
 - name: grpc++_test_config
   build: private
   language: c++
@@ -890,8 +917,6 @@
   build: protoc
   language: c++
   headers:
-  - include/grpc++/support/config.h
-  - include/grpc++/support/config_protobuf.h
   - src/compiler/config.h
   - src/compiler/cpp_generator.h
   - src/compiler/cpp_generator_helpers.h
@@ -911,10 +936,8 @@
   - src/compiler/objective_c_generator.cc
   - src/compiler/python_generator.cc
   - src/compiler/ruby_generator.cc
-  deps:
-  - grpc++_codegen_lib
   filegroups:
-  - gpr_codegen
+  - grpc++_config
   secure: false
   vs_project_guid: '{B6E81D84-2ACB-41B8-8781-493A944C7817}'
   vs_props:
@@ -1636,6 +1659,7 @@
   - gpr
   corpus_dirs:
   - test/core/transport/chttp2/hpack_parser_corpus
+  maxlen: 512
 - name: hpack_parser_test
   build: test
   language: c
@@ -1668,6 +1692,7 @@
   - gpr
   corpus_dirs:
   - test/core/http/corpus
+  maxlen: 2048
 - name: http_parser_test
   build: test
   language: c
@@ -1781,6 +1806,7 @@
   - gpr
   corpus_dirs:
   - test/core/json/corpus
+  maxlen: 512
 - name: json_rewrite
   build: test
   run: false
@@ -1895,6 +1921,32 @@
   deps:
   - gpr_test_util
   - gpr
+- name: nanopb_fuzzer_response_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/nanopb/fuzzer_response.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/nanopb/corpus_response
+  maxlen: 128
+- name: nanopb_fuzzer_serverlist_test
+  build: fuzzer
+  language: c
+  src:
+  - test/core/nanopb/fuzzer_serverlist.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/nanopb/corpus_serverlist
+  maxlen: 128
 - name: no_server_test
   cpu_cost: 0.1
   build: test
@@ -1946,6 +1998,19 @@
   - grpc
   - gpr_test_util
   - gpr
+- name: server_fuzzer
+  build: fuzzer
+  language: c
+  src:
+  - test/core/end2end/fuzzers/server_fuzzer.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
+  corpus_dirs:
+  - test/core/end2end/fuzzers/server_fuzzer_corpus
+  maxlen: 2048
 - name: server_test
   build: test
   language: c
@@ -2156,6 +2221,7 @@
   - gpr
   corpus_dirs:
   - test/core/client_config/uri_corpus
+  maxlen: 128
 - name: uri_parser_test
   build: test
   language: c
@@ -2319,8 +2385,8 @@
   - src/proto/grpc/testing/services.proto
   - src/proto/grpc/testing/stats.proto
   - test/cpp/codegen/codegen_test.cc
-  deps:
-  - grpc++_codegen_lib
+  filegroups:
+  - grpc++_codegen
 - name: credentials_test
   gtest: true
   build: test
@@ -2561,6 +2627,20 @@
   - mac
   - linux
   - posix
+- name: json_run_localhost
+  build: test
+  run: false
+  language: c++
+  src:
+  - test/cpp/qps/json_run_localhost.cc
+  deps:
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
+  - gpr_test_util
+  - gpr
+  - grpc++_test_config
 - name: metrics_client
   build: test
   run: false
@@ -2620,6 +2700,21 @@
   - mac
   - linux
   - posix
+- name: qps_json_driver
+  build: test
+  run: false
+  language: c++
+  src:
+  - test/cpp/qps/qps_json_driver.cc
+  deps:
+  - qps
+  - grpc++_test_util
+  - grpc_test_util
+  - grpc++
+  - grpc
+  - gpr_test_util
+  - gpr
+  - grpc++_test_config
 - name: qps_openloop_test
   cpu_cost: 0.5
   build: test
@@ -2659,7 +2754,8 @@
   - linux
   - posix
 - name: qps_worker
-  build: benchmark
+  build: test
+  run: false
   language: c++
   headers:
   - test/cpp/qps/client.h
diff --git a/config.m4 b/config.m4
index 9abd8ce..7d3d899 100644
--- a/config.m4
+++ b/config.m4
@@ -80,75 +80,18 @@
     src/core/lib/support/tmpfile_posix.c \
     src/core/lib/support/tmpfile_win32.c \
     src/core/lib/support/wrap_memcpy.c \
-    src/core/ext/census/context.c \
-    src/core/ext/census/grpc_context.c \
-    src/core/ext/census/grpc_filter.c \
-    src/core/ext/census/grpc_plugin.c \
-    src/core/ext/census/initialize.c \
-    src/core/ext/census/mlog.c \
-    src/core/ext/census/operation.c \
-    src/core/ext/census/placeholders.c \
-    src/core/ext/census/tracing.c \
-    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
-    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
-    src/core/ext/lb_policy/pick_first/pick_first.c \
-    src/core/ext/lb_policy/round_robin/round_robin.c \
-    src/core/ext/resolver/dns/native/dns_resolver.c \
-    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
-    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
-    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
-    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
-    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
-    src/core/ext/transport/chttp2/transport/alpn.c \
-    src/core/ext/transport/chttp2/transport/bin_encoder.c \
-    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
-    src/core/ext/transport/chttp2/transport/frame_data.c \
-    src/core/ext/transport/chttp2/transport/frame_goaway.c \
-    src/core/ext/transport/chttp2/transport/frame_ping.c \
-    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
-    src/core/ext/transport/chttp2/transport/frame_settings.c \
-    src/core/ext/transport/chttp2/transport/frame_window_update.c \
-    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
-    src/core/ext/transport/chttp2/transport/hpack_parser.c \
-    src/core/ext/transport/chttp2/transport/hpack_table.c \
-    src/core/ext/transport/chttp2/transport/huffsyms.c \
-    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
-    src/core/ext/transport/chttp2/transport/parsing.c \
-    src/core/ext/transport/chttp2/transport/status_conversion.c \
-    src/core/ext/transport/chttp2/transport/stream_lists.c \
-    src/core/ext/transport/chttp2/transport/stream_map.c \
-    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
-    src/core/ext/transport/chttp2/transport/varint.c \
-    src/core/ext/transport/chttp2/transport/writing.c \
     src/core/lib/channel/channel_args.c \
     src/core/lib/channel/channel_stack.c \
     src/core/lib/channel/channel_stack_builder.c \
-    src/core/lib/channel/client_channel.c \
     src/core/lib/channel/compress_filter.c \
     src/core/lib/channel/connected_channel.c \
     src/core/lib/channel/http_client_filter.c \
     src/core/lib/channel/http_server_filter.c \
-    src/core/lib/channel/subchannel_call_holder.c \
-    src/core/lib/client_config/client_config.c \
-    src/core/lib/client_config/connector.c \
-    src/core/lib/client_config/default_initial_connect_string.c \
-    src/core/lib/client_config/initial_connect_string.c \
-    src/core/lib/client_config/lb_policy.c \
-    src/core/lib/client_config/lb_policy_factory.c \
-    src/core/lib/client_config/lb_policy_registry.c \
-    src/core/lib/client_config/resolver.c \
-    src/core/lib/client_config/resolver_factory.c \
-    src/core/lib/client_config/resolver_registry.c \
-    src/core/lib/client_config/subchannel.c \
-    src/core/lib/client_config/subchannel_factory.c \
-    src/core/lib/client_config/subchannel_index.c \
-    src/core/lib/client_config/uri_parser.c \
     src/core/lib/compression/compression_algorithm.c \
     src/core/lib/compression/message_compress.c \
     src/core/lib/debug/trace.c \
     src/core/lib/http/format_request.c \
     src/core/lib/http/httpcli.c \
-    src/core/lib/http/httpcli_security_connector.c \
     src/core/lib/http/parser.c \
     src/core/lib/iomgr/closure.c \
     src/core/lib/iomgr/endpoint.c \
@@ -193,6 +136,56 @@
     src/core/lib/json/json_reader.c \
     src/core/lib/json/json_string.c \
     src/core/lib/json/json_writer.c \
+    src/core/lib/surface/alarm.c \
+    src/core/lib/surface/api_trace.c \
+    src/core/lib/surface/byte_buffer.c \
+    src/core/lib/surface/byte_buffer_reader.c \
+    src/core/lib/surface/call.c \
+    src/core/lib/surface/call_details.c \
+    src/core/lib/surface/call_log_batch.c \
+    src/core/lib/surface/channel.c \
+    src/core/lib/surface/channel_init.c \
+    src/core/lib/surface/channel_ping.c \
+    src/core/lib/surface/channel_stack_type.c \
+    src/core/lib/surface/completion_queue.c \
+    src/core/lib/surface/event_string.c \
+    src/core/lib/surface/init.c \
+    src/core/lib/surface/lame_client.c \
+    src/core/lib/surface/metadata_array.c \
+    src/core/lib/surface/server.c \
+    src/core/lib/surface/validate_metadata.c \
+    src/core/lib/surface/version.c \
+    src/core/lib/transport/byte_stream.c \
+    src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/metadata.c \
+    src/core/lib/transport/metadata_batch.c \
+    src/core/lib/transport/static_metadata.c \
+    src/core/lib/transport/transport.c \
+    src/core/lib/transport/transport_op_string.c \
+    src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+    src/core/ext/transport/chttp2/transport/bin_encoder.c \
+    src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+    src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+    src/core/ext/transport/chttp2/transport/frame_data.c \
+    src/core/ext/transport/chttp2/transport/frame_goaway.c \
+    src/core/ext/transport/chttp2/transport/frame_ping.c \
+    src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+    src/core/ext/transport/chttp2/transport/frame_settings.c \
+    src/core/ext/transport/chttp2/transport/frame_window_update.c \
+    src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+    src/core/ext/transport/chttp2/transport/hpack_parser.c \
+    src/core/ext/transport/chttp2/transport/hpack_table.c \
+    src/core/ext/transport/chttp2/transport/huffsyms.c \
+    src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+    src/core/ext/transport/chttp2/transport/parsing.c \
+    src/core/ext/transport/chttp2/transport/status_conversion.c \
+    src/core/ext/transport/chttp2/transport/stream_lists.c \
+    src/core/ext/transport/chttp2/transport/stream_map.c \
+    src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+    src/core/ext/transport/chttp2/transport/varint.c \
+    src/core/ext/transport/chttp2/transport/writing.c \
+    src/core/ext/transport/chttp2/alpn/alpn.c \
+    src/core/lib/http/httpcli_security_connector.c \
     src/core/lib/security/b64.c \
     src/core/lib/security/client_auth_filter.c \
     src/core/lib/security/credentials.c \
@@ -207,41 +200,50 @@
     src/core/lib/security/security_connector.c \
     src/core/lib/security/security_context.c \
     src/core/lib/security/server_auth_filter.c \
-    src/core/lib/surface/alarm.c \
-    src/core/lib/surface/api_trace.c \
-    src/core/lib/surface/byte_buffer.c \
-    src/core/lib/surface/byte_buffer_reader.c \
-    src/core/lib/surface/call.c \
-    src/core/lib/surface/call_details.c \
-    src/core/lib/surface/call_log_batch.c \
-    src/core/lib/surface/channel.c \
-    src/core/lib/surface/channel_connectivity.c \
-    src/core/lib/surface/channel_init.c \
-    src/core/lib/surface/channel_ping.c \
-    src/core/lib/surface/channel_stack_type.c \
-    src/core/lib/surface/completion_queue.c \
-    src/core/lib/surface/event_string.c \
-    src/core/lib/surface/init.c \
     src/core/lib/surface/init_secure.c \
-    src/core/lib/surface/lame_client.c \
-    src/core/lib/surface/metadata_array.c \
-    src/core/lib/surface/server.c \
-    src/core/lib/surface/validate_metadata.c \
-    src/core/lib/surface/version.c \
-    src/core/lib/transport/byte_stream.c \
-    src/core/lib/transport/connectivity_state.c \
-    src/core/lib/transport/metadata.c \
-    src/core/lib/transport/metadata_batch.c \
-    src/core/lib/transport/static_metadata.c \
-    src/core/lib/transport/transport.c \
-    src/core/lib/transport/transport_op_string.c \
     src/core/lib/tsi/fake_transport_security.c \
     src/core/lib/tsi/ssl_transport_security.c \
     src/core/lib/tsi/transport_security.c \
-    src/core/plugin_registry/grpc_plugin_registry.c \
+    src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+    src/core/ext/client_config/channel_connectivity.c \
+    src/core/ext/client_config/client_channel.c \
+    src/core/ext/client_config/client_channel_factory.c \
+    src/core/ext/client_config/client_config.c \
+    src/core/ext/client_config/client_config_plugin.c \
+    src/core/ext/client_config/connector.c \
+    src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/initial_connect_string.c \
+    src/core/ext/client_config/lb_policy.c \
+    src/core/ext/client_config/lb_policy_factory.c \
+    src/core/ext/client_config/lb_policy_registry.c \
+    src/core/ext/client_config/resolver.c \
+    src/core/ext/client_config/resolver_factory.c \
+    src/core/ext/client_config/resolver_registry.c \
+    src/core/ext/client_config/subchannel.c \
+    src/core/ext/client_config/subchannel_call_holder.c \
+    src/core/ext/client_config/subchannel_index.c \
+    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+    src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+    src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+    src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
     third_party/nanopb/pb_common.c \
     third_party/nanopb/pb_decode.c \
     third_party/nanopb/pb_encode.c \
+    src/core/ext/lb_policy/pick_first/pick_first.c \
+    src/core/ext/lb_policy/round_robin/round_robin.c \
+    src/core/ext/resolver/dns/native/dns_resolver.c \
+    src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+    src/core/ext/census/context.c \
+    src/core/ext/census/grpc_context.c \
+    src/core/ext/census/grpc_filter.c \
+    src/core/ext/census/grpc_plugin.c \
+    src/core/ext/census/initialize.c \
+    src/core/ext/census/mlog.c \
+    src/core/ext/census/operation.c \
+    src/core/ext/census/placeholders.c \
+    src/core/ext/census/tracing.c \
+    src/core/plugin_registry/grpc_plugin_registry.c \
     src/boringssl/err_data.c \
     third_party/boringssl/crypto/aes/aes.c \
     third_party/boringssl/crypto/aes/mode_wrappers.c \
@@ -545,19 +547,20 @@
 
   PHP_ADD_BUILD_DIR($ext_builddir/src/boringssl)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/census)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/client_config)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/pick_first)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/round_robin)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/resolver/dns/native)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/resolver/sockaddr)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/alpn)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client/insecure)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/client/secure)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server/insecure)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/server/secure)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/transport/chttp2/transport)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/channel)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/client_config)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/compression)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/debug)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/lib/http)
diff --git a/gRPC.podspec b/gRPC.podspec
index 7e0e44f..82c5eaa 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -75,20 +75,6 @@
                       'src/core/lib/support/thd_internal.h',
                       'src/core/lib/support/time_precise.h',
                       'src/core/lib/support/tmpfile.h',
-                      'include/grpc/impl/codegen/alloc.h',
-                      'include/grpc/impl/codegen/atm.h',
-                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
-                      'include/grpc/impl/codegen/atm_gcc_sync.h',
-                      'include/grpc/impl/codegen/atm_win32.h',
-                      'include/grpc/impl/codegen/log.h',
-                      'include/grpc/impl/codegen/port_platform.h',
-                      'include/grpc/impl/codegen/slice.h',
-                      'include/grpc/impl/codegen/slice_buffer.h',
-                      'include/grpc/impl/codegen/sync.h',
-                      'include/grpc/impl/codegen/sync_generic.h',
-                      'include/grpc/impl/codegen/sync_posix.h',
-                      'include/grpc/impl/codegen/sync_win32.h',
-                      'include/grpc/impl/codegen/time.h',
                       'include/grpc/support/alloc.h',
                       'include/grpc/support/atm.h',
                       'include/grpc/support/atm_gcc_atomic.h',
@@ -117,6 +103,20 @@
                       'include/grpc/support/tls_msvc.h',
                       'include/grpc/support/tls_pthread.h',
                       'include/grpc/support/useful.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_win32.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_win32.h',
+                      'include/grpc/impl/codegen/time.h',
                       'src/core/lib/profiling/basic_timers.c',
                       'src/core/lib/profiling/stap_timers.c',
                       'src/core/lib/support/alloc.c',
@@ -161,58 +161,14 @@
                       'src/core/lib/support/tmpfile_posix.c',
                       'src/core/lib/support/tmpfile_win32.c',
                       'src/core/lib/support/wrap_memcpy.c',
-                      'src/core/ext/census/aggregation.h',
-                      'src/core/ext/census/census_interface.h',
-                      'src/core/ext/census/census_rpc_stats.h',
-                      'src/core/ext/census/grpc_filter.h',
-                      'src/core/ext/census/mlog.h',
-                      'src/core/ext/census/rpc_metric_id.h',
-                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
-                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
-                      'src/core/ext/transport/chttp2/transport/alpn.h',
-                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
-                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
-                      'src/core/ext/transport/chttp2/transport/frame.h',
-                      'src/core/ext/transport/chttp2/transport/frame_data.h',
-                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
-                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
-                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
-                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
-                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
-                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
-                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
-                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
-                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
-                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
-                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
-                      'src/core/ext/transport/chttp2/transport/internal.h',
-                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
-                      'src/core/ext/transport/chttp2/transport/stream_map.h',
-                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
-                      'src/core/ext/transport/chttp2/transport/varint.h',
                       'src/core/lib/channel/channel_args.h',
                       'src/core/lib/channel/channel_stack.h',
                       'src/core/lib/channel/channel_stack_builder.h',
-                      'src/core/lib/channel/client_channel.h',
                       'src/core/lib/channel/compress_filter.h',
                       'src/core/lib/channel/connected_channel.h',
                       'src/core/lib/channel/context.h',
                       'src/core/lib/channel/http_client_filter.h',
                       'src/core/lib/channel/http_server_filter.h',
-                      'src/core/lib/channel/subchannel_call_holder.h',
-                      'src/core/lib/client_config/client_config.h',
-                      'src/core/lib/client_config/connector.h',
-                      'src/core/lib/client_config/initial_connect_string.h',
-                      'src/core/lib/client_config/lb_policy.h',
-                      'src/core/lib/client_config/lb_policy_factory.h',
-                      'src/core/lib/client_config/lb_policy_registry.h',
-                      'src/core/lib/client_config/resolver.h',
-                      'src/core/lib/client_config/resolver_factory.h',
-                      'src/core/lib/client_config/resolver_registry.h',
-                      'src/core/lib/client_config/subchannel.h',
-                      'src/core/lib/client_config/subchannel_factory.h',
-                      'src/core/lib/client_config/subchannel_index.h',
-                      'src/core/lib/client_config/uri_parser.h',
                       'src/core/lib/compression/algorithm_metadata.h',
                       'src/core/lib/compression/message_compress.h',
                       'src/core/lib/debug/trace.h',
@@ -259,15 +215,6 @@
                       'src/core/lib/json/json_common.h',
                       'src/core/lib/json/json_reader.h',
                       'src/core/lib/json/json_writer.h',
-                      'src/core/lib/security/auth_filters.h',
-                      'src/core/lib/security/b64.h',
-                      'src/core/lib/security/credentials.h',
-                      'src/core/lib/security/handshake.h',
-                      'src/core/lib/security/json_token.h',
-                      'src/core/lib/security/jwt_verifier.h',
-                      'src/core/lib/security/secure_endpoint.h',
-                      'src/core/lib/security/security_connector.h',
-                      'src/core/lib/security/security_context.h',
                       'src/core/lib/surface/api_trace.h',
                       'src/core/lib/surface/call.h',
                       'src/core/lib/surface/call_test_only.h',
@@ -287,97 +234,107 @@
                       'src/core/lib/transport/static_metadata.h',
                       'src/core/lib/transport/transport.h',
                       'src/core/lib/transport/transport_impl.h',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                      'src/core/ext/transport/chttp2/transport/frame.h',
+                      'src/core/ext/transport/chttp2/transport/frame_data.h',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                      'src/core/ext/transport/chttp2/transport/internal.h',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                      'src/core/ext/transport/chttp2/transport/stream_map.h',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                      'src/core/ext/transport/chttp2/transport/varint.h',
+                      'src/core/ext/transport/chttp2/alpn/alpn.h',
+                      'src/core/lib/security/auth_filters.h',
+                      'src/core/lib/security/b64.h',
+                      'src/core/lib/security/credentials.h',
+                      'src/core/lib/security/handshake.h',
+                      'src/core/lib/security/json_token.h',
+                      'src/core/lib/security/jwt_verifier.h',
+                      'src/core/lib/security/secure_endpoint.h',
+                      'src/core/lib/security/security_connector.h',
+                      'src/core/lib/security/security_context.h',
                       'src/core/lib/tsi/fake_transport_security.h',
                       'src/core/lib/tsi/ssl_transport_security.h',
                       'src/core/lib/tsi/ssl_types.h',
                       'src/core/lib/tsi/transport_security.h',
                       'src/core/lib/tsi/transport_security_interface.h',
+                      'src/core/ext/client_config/client_channel.h',
+                      'src/core/ext/client_config/client_channel_factory.h',
+                      'src/core/ext/client_config/client_config.h',
+                      'src/core/ext/client_config/connector.h',
+                      'src/core/ext/client_config/initial_connect_string.h',
+                      'src/core/ext/client_config/lb_policy.h',
+                      'src/core/ext/client_config/lb_policy_factory.h',
+                      'src/core/ext/client_config/lb_policy_registry.h',
+                      'src/core/ext/client_config/resolver.h',
+                      'src/core/ext/client_config/resolver_factory.h',
+                      'src/core/ext/client_config/resolver_registry.h',
+                      'src/core/ext/client_config/subchannel.h',
+                      'src/core/ext/client_config/subchannel_call_holder.h',
+                      'src/core/ext/client_config/subchannel_index.h',
+                      'src/core/ext/client_config/uri_parser.h',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
                       'third_party/nanopb/pb.h',
                       'third_party/nanopb/pb_common.h',
                       'third_party/nanopb/pb_decode.h',
                       'third_party/nanopb/pb_encode.h',
+                      'src/core/ext/census/aggregation.h',
+                      'src/core/ext/census/census_interface.h',
+                      'src/core/ext/census/census_rpc_stats.h',
+                      'src/core/ext/census/grpc_filter.h',
+                      'src/core/ext/census/mlog.h',
+                      'src/core/ext/census/rpc_metric_id.h',
                       'include/grpc/byte_buffer.h',
                       'include/grpc/byte_buffer_reader.h',
-                      'include/grpc/census.h',
                       'include/grpc/compression.h',
                       'include/grpc/grpc.h',
-                      'include/grpc/grpc_security.h',
+                      'include/grpc/status.h',
                       'include/grpc/impl/codegen/byte_buffer.h',
                       'include/grpc/impl/codegen/compression_types.h',
                       'include/grpc/impl/codegen/connectivity_state.h',
                       'include/grpc/impl/codegen/grpc_types.h',
                       'include/grpc/impl/codegen/propagation_bits.h',
                       'include/grpc/impl/codegen/status.h',
-                      'include/grpc/status.h',
-                      'src/core/ext/census/context.c',
-                      'src/core/ext/census/grpc_context.c',
-                      'src/core/ext/census/grpc_filter.c',
-                      'src/core/ext/census/grpc_plugin.c',
-                      'src/core/ext/census/initialize.c',
-                      'src/core/ext/census/mlog.c',
-                      'src/core/ext/census/operation.c',
-                      'src/core/ext/census/placeholders.c',
-                      'src/core/ext/census/tracing.c',
-                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
-                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
-                      'src/core/ext/lb_policy/pick_first/pick_first.c',
-                      'src/core/ext/lb_policy/round_robin/round_robin.c',
-                      'src/core/ext/resolver/dns/native/dns_resolver.c',
-                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
-                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
-                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
-                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
-                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
-                      'src/core/ext/transport/chttp2/transport/alpn.c',
-                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
-                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
-                      'src/core/ext/transport/chttp2/transport/frame_data.c',
-                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
-                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
-                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
-                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
-                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
-                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
-                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
-                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
-                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
-                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
-                      'src/core/ext/transport/chttp2/transport/parsing.c',
-                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
-                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
-                      'src/core/ext/transport/chttp2/transport/stream_map.c',
-                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
-                      'src/core/ext/transport/chttp2/transport/varint.c',
-                      'src/core/ext/transport/chttp2/transport/writing.c',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_win32.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_win32.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'include/grpc/grpc_security.h',
+                      'include/grpc/census.h',
                       'src/core/lib/channel/channel_args.c',
                       'src/core/lib/channel/channel_stack.c',
                       'src/core/lib/channel/channel_stack_builder.c',
-                      'src/core/lib/channel/client_channel.c',
                       'src/core/lib/channel/compress_filter.c',
                       'src/core/lib/channel/connected_channel.c',
                       'src/core/lib/channel/http_client_filter.c',
                       'src/core/lib/channel/http_server_filter.c',
-                      'src/core/lib/channel/subchannel_call_holder.c',
-                      'src/core/lib/client_config/client_config.c',
-                      'src/core/lib/client_config/connector.c',
-                      'src/core/lib/client_config/default_initial_connect_string.c',
-                      'src/core/lib/client_config/initial_connect_string.c',
-                      'src/core/lib/client_config/lb_policy.c',
-                      'src/core/lib/client_config/lb_policy_factory.c',
-                      'src/core/lib/client_config/lb_policy_registry.c',
-                      'src/core/lib/client_config/resolver.c',
-                      'src/core/lib/client_config/resolver_factory.c',
-                      'src/core/lib/client_config/resolver_registry.c',
-                      'src/core/lib/client_config/subchannel.c',
-                      'src/core/lib/client_config/subchannel_factory.c',
-                      'src/core/lib/client_config/subchannel_index.c',
-                      'src/core/lib/client_config/uri_parser.c',
                       'src/core/lib/compression/compression_algorithm.c',
                       'src/core/lib/compression/message_compress.c',
                       'src/core/lib/debug/trace.c',
                       'src/core/lib/http/format_request.c',
                       'src/core/lib/http/httpcli.c',
-                      'src/core/lib/http/httpcli_security_connector.c',
                       'src/core/lib/http/parser.c',
                       'src/core/lib/iomgr/closure.c',
                       'src/core/lib/iomgr/endpoint.c',
@@ -422,6 +379,56 @@
                       'src/core/lib/json/json_reader.c',
                       'src/core/lib/json/json_string.c',
                       'src/core/lib/json/json_writer.c',
+                      'src/core/lib/surface/alarm.c',
+                      'src/core/lib/surface/api_trace.c',
+                      'src/core/lib/surface/byte_buffer.c',
+                      'src/core/lib/surface/byte_buffer_reader.c',
+                      'src/core/lib/surface/call.c',
+                      'src/core/lib/surface/call_details.c',
+                      'src/core/lib/surface/call_log_batch.c',
+                      'src/core/lib/surface/channel.c',
+                      'src/core/lib/surface/channel_init.c',
+                      'src/core/lib/surface/channel_ping.c',
+                      'src/core/lib/surface/channel_stack_type.c',
+                      'src/core/lib/surface/completion_queue.c',
+                      'src/core/lib/surface/event_string.c',
+                      'src/core/lib/surface/init.c',
+                      'src/core/lib/surface/lame_client.c',
+                      'src/core/lib/surface/metadata_array.c',
+                      'src/core/lib/surface/server.c',
+                      'src/core/lib/surface/validate_metadata.c',
+                      'src/core/lib/surface/version.c',
+                      'src/core/lib/transport/byte_stream.c',
+                      'src/core/lib/transport/connectivity_state.c',
+                      'src/core/lib/transport/metadata.c',
+                      'src/core/lib/transport/metadata_batch.c',
+                      'src/core/lib/transport/static_metadata.c',
+                      'src/core/lib/transport/transport.c',
+                      'src/core/lib/transport/transport_op_string.c',
+                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+                      'src/core/ext/transport/chttp2/transport/frame_data.c',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+                      'src/core/ext/transport/chttp2/transport/parsing.c',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
+                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
+                      'src/core/ext/transport/chttp2/transport/stream_map.c',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+                      'src/core/ext/transport/chttp2/transport/varint.c',
+                      'src/core/ext/transport/chttp2/transport/writing.c',
+                      'src/core/ext/transport/chttp2/alpn/alpn.c',
+                      'src/core/lib/http/httpcli_security_connector.c',
                       'src/core/lib/security/b64.c',
                       'src/core/lib/security/client_auth_filter.c',
                       'src/core/lib/security/credentials.c',
@@ -436,41 +443,50 @@
                       'src/core/lib/security/security_connector.c',
                       'src/core/lib/security/security_context.c',
                       'src/core/lib/security/server_auth_filter.c',
-                      'src/core/lib/surface/alarm.c',
-                      'src/core/lib/surface/api_trace.c',
-                      'src/core/lib/surface/byte_buffer.c',
-                      'src/core/lib/surface/byte_buffer_reader.c',
-                      'src/core/lib/surface/call.c',
-                      'src/core/lib/surface/call_details.c',
-                      'src/core/lib/surface/call_log_batch.c',
-                      'src/core/lib/surface/channel.c',
-                      'src/core/lib/surface/channel_connectivity.c',
-                      'src/core/lib/surface/channel_init.c',
-                      'src/core/lib/surface/channel_ping.c',
-                      'src/core/lib/surface/channel_stack_type.c',
-                      'src/core/lib/surface/completion_queue.c',
-                      'src/core/lib/surface/event_string.c',
-                      'src/core/lib/surface/init.c',
                       'src/core/lib/surface/init_secure.c',
-                      'src/core/lib/surface/lame_client.c',
-                      'src/core/lib/surface/metadata_array.c',
-                      'src/core/lib/surface/server.c',
-                      'src/core/lib/surface/validate_metadata.c',
-                      'src/core/lib/surface/version.c',
-                      'src/core/lib/transport/byte_stream.c',
-                      'src/core/lib/transport/connectivity_state.c',
-                      'src/core/lib/transport/metadata.c',
-                      'src/core/lib/transport/metadata_batch.c',
-                      'src/core/lib/transport/static_metadata.c',
-                      'src/core/lib/transport/transport.c',
-                      'src/core/lib/transport/transport_op_string.c',
                       'src/core/lib/tsi/fake_transport_security.c',
                       'src/core/lib/tsi/ssl_transport_security.c',
                       'src/core/lib/tsi/transport_security.c',
-                      'src/core/plugin_registry/grpc_plugin_registry.c',
+                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+                      'src/core/ext/client_config/channel_connectivity.c',
+                      'src/core/ext/client_config/client_channel.c',
+                      'src/core/ext/client_config/client_channel_factory.c',
+                      'src/core/ext/client_config/client_config.c',
+                      'src/core/ext/client_config/client_config_plugin.c',
+                      'src/core/ext/client_config/connector.c',
+                      'src/core/ext/client_config/default_initial_connect_string.c',
+                      'src/core/ext/client_config/initial_connect_string.c',
+                      'src/core/ext/client_config/lb_policy.c',
+                      'src/core/ext/client_config/lb_policy_factory.c',
+                      'src/core/ext/client_config/lb_policy_registry.c',
+                      'src/core/ext/client_config/resolver.c',
+                      'src/core/ext/client_config/resolver_factory.c',
+                      'src/core/ext/client_config/resolver_registry.c',
+                      'src/core/ext/client_config/subchannel.c',
+                      'src/core/ext/client_config/subchannel_call_holder.c',
+                      'src/core/ext/client_config/subchannel_index.c',
+                      'src/core/ext/client_config/uri_parser.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
                       'third_party/nanopb/pb_common.c',
                       'third_party/nanopb/pb_decode.c',
-                      'third_party/nanopb/pb_encode.c'
+                      'third_party/nanopb/pb_encode.c',
+                      'src/core/ext/lb_policy/pick_first/pick_first.c',
+                      'src/core/ext/lb_policy/round_robin/round_robin.c',
+                      'src/core/ext/resolver/dns/native/dns_resolver.c',
+                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+                      'src/core/ext/census/context.c',
+                      'src/core/ext/census/grpc_context.c',
+                      'src/core/ext/census/grpc_filter.c',
+                      'src/core/ext/census/grpc_plugin.c',
+                      'src/core/ext/census/initialize.c',
+                      'src/core/ext/census/mlog.c',
+                      'src/core/ext/census/operation.c',
+                      'src/core/ext/census/placeholders.c',
+                      'src/core/ext/census/tracing.c',
+                      'src/core/plugin_registry/grpc_plugin_registry.c'
 
     ss.private_header_files = 'src/core/lib/profiling/timers.h',
                               'src/core/lib/support/backoff.h',
@@ -484,58 +500,14 @@
                               'src/core/lib/support/thd_internal.h',
                               'src/core/lib/support/time_precise.h',
                               'src/core/lib/support/tmpfile.h',
-                              'src/core/ext/census/aggregation.h',
-                              'src/core/ext/census/census_interface.h',
-                              'src/core/ext/census/census_rpc_stats.h',
-                              'src/core/ext/census/grpc_filter.h',
-                              'src/core/ext/census/mlog.h',
-                              'src/core/ext/census/rpc_metric_id.h',
-                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
-                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
-                              'src/core/ext/transport/chttp2/transport/alpn.h',
-                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
-                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
-                              'src/core/ext/transport/chttp2/transport/frame.h',
-                              'src/core/ext/transport/chttp2/transport/frame_data.h',
-                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
-                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
-                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
-                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
-                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
-                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
-                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
-                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
-                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
-                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
-                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
-                              'src/core/ext/transport/chttp2/transport/internal.h',
-                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
-                              'src/core/ext/transport/chttp2/transport/stream_map.h',
-                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
-                              'src/core/ext/transport/chttp2/transport/varint.h',
                               'src/core/lib/channel/channel_args.h',
                               'src/core/lib/channel/channel_stack.h',
                               'src/core/lib/channel/channel_stack_builder.h',
-                              'src/core/lib/channel/client_channel.h',
                               'src/core/lib/channel/compress_filter.h',
                               'src/core/lib/channel/connected_channel.h',
                               'src/core/lib/channel/context.h',
                               'src/core/lib/channel/http_client_filter.h',
                               'src/core/lib/channel/http_server_filter.h',
-                              'src/core/lib/channel/subchannel_call_holder.h',
-                              'src/core/lib/client_config/client_config.h',
-                              'src/core/lib/client_config/connector.h',
-                              'src/core/lib/client_config/initial_connect_string.h',
-                              'src/core/lib/client_config/lb_policy.h',
-                              'src/core/lib/client_config/lb_policy_factory.h',
-                              'src/core/lib/client_config/lb_policy_registry.h',
-                              'src/core/lib/client_config/resolver.h',
-                              'src/core/lib/client_config/resolver_factory.h',
-                              'src/core/lib/client_config/resolver_registry.h',
-                              'src/core/lib/client_config/subchannel.h',
-                              'src/core/lib/client_config/subchannel_factory.h',
-                              'src/core/lib/client_config/subchannel_index.h',
-                              'src/core/lib/client_config/uri_parser.h',
                               'src/core/lib/compression/algorithm_metadata.h',
                               'src/core/lib/compression/message_compress.h',
                               'src/core/lib/debug/trace.h',
@@ -582,15 +554,6 @@
                               'src/core/lib/json/json_common.h',
                               'src/core/lib/json/json_reader.h',
                               'src/core/lib/json/json_writer.h',
-                              'src/core/lib/security/auth_filters.h',
-                              'src/core/lib/security/b64.h',
-                              'src/core/lib/security/credentials.h',
-                              'src/core/lib/security/handshake.h',
-                              'src/core/lib/security/json_token.h',
-                              'src/core/lib/security/jwt_verifier.h',
-                              'src/core/lib/security/secure_endpoint.h',
-                              'src/core/lib/security/security_connector.h',
-                              'src/core/lib/security/security_context.h',
                               'src/core/lib/surface/api_trace.h',
                               'src/core/lib/surface/call.h',
                               'src/core/lib/surface/call_test_only.h',
@@ -610,15 +573,68 @@
                               'src/core/lib/transport/static_metadata.h',
                               'src/core/lib/transport/transport.h',
                               'src/core/lib/transport/transport_impl.h',
+                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                              'src/core/ext/transport/chttp2/transport/frame.h',
+                              'src/core/ext/transport/chttp2/transport/frame_data.h',
+                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                              'src/core/ext/transport/chttp2/transport/internal.h',
+                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                              'src/core/ext/transport/chttp2/transport/stream_map.h',
+                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                              'src/core/ext/transport/chttp2/transport/varint.h',
+                              'src/core/ext/transport/chttp2/alpn/alpn.h',
+                              'src/core/lib/security/auth_filters.h',
+                              'src/core/lib/security/b64.h',
+                              'src/core/lib/security/credentials.h',
+                              'src/core/lib/security/handshake.h',
+                              'src/core/lib/security/json_token.h',
+                              'src/core/lib/security/jwt_verifier.h',
+                              'src/core/lib/security/secure_endpoint.h',
+                              'src/core/lib/security/security_connector.h',
+                              'src/core/lib/security/security_context.h',
                               'src/core/lib/tsi/fake_transport_security.h',
                               'src/core/lib/tsi/ssl_transport_security.h',
                               'src/core/lib/tsi/ssl_types.h',
                               'src/core/lib/tsi/transport_security.h',
                               'src/core/lib/tsi/transport_security_interface.h',
+                              'src/core/ext/client_config/client_channel.h',
+                              'src/core/ext/client_config/client_channel_factory.h',
+                              'src/core/ext/client_config/client_config.h',
+                              'src/core/ext/client_config/connector.h',
+                              'src/core/ext/client_config/initial_connect_string.h',
+                              'src/core/ext/client_config/lb_policy.h',
+                              'src/core/ext/client_config/lb_policy_factory.h',
+                              'src/core/ext/client_config/lb_policy_registry.h',
+                              'src/core/ext/client_config/resolver.h',
+                              'src/core/ext/client_config/resolver_factory.h',
+                              'src/core/ext/client_config/resolver_registry.h',
+                              'src/core/ext/client_config/subchannel.h',
+                              'src/core/ext/client_config/subchannel_call_holder.h',
+                              'src/core/ext/client_config/subchannel_index.h',
+                              'src/core/ext/client_config/uri_parser.h',
+                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
                               'third_party/nanopb/pb.h',
                               'third_party/nanopb/pb_common.h',
                               'third_party/nanopb/pb_decode.h',
-                              'third_party/nanopb/pb_encode.h'
+                              'third_party/nanopb/pb_encode.h',
+                              'src/core/ext/census/aggregation.h',
+                              'src/core/ext/census/census_interface.h',
+                              'src/core/ext/census/census_rpc_stats.h',
+                              'src/core/ext/census/grpc_filter.h',
+                              'src/core/ext/census/mlog.h',
+                              'src/core/ext/census/rpc_metric_id.h'
 
     ss.header_mappings_dir = '.'
     # This isn't officially supported in Cocoapods. We've asked for an alternative:
diff --git a/grpc.gemspec b/grpc.gemspec
index d1e7ad2..b05f238 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -46,20 +46,6 @@
 
   s.extensions = %w(src/ruby/ext/grpc/extconf.rb)
 
-  s.files += %w( include/grpc/impl/codegen/alloc.h )
-  s.files += %w( include/grpc/impl/codegen/atm.h )
-  s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
-  s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
-  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
-  s.files += %w( include/grpc/impl/codegen/log.h )
-  s.files += %w( include/grpc/impl/codegen/port_platform.h )
-  s.files += %w( include/grpc/impl/codegen/slice.h )
-  s.files += %w( include/grpc/impl/codegen/slice_buffer.h )
-  s.files += %w( include/grpc/impl/codegen/sync.h )
-  s.files += %w( include/grpc/impl/codegen/sync_generic.h )
-  s.files += %w( include/grpc/impl/codegen/sync_posix.h )
-  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
-  s.files += %w( include/grpc/impl/codegen/time.h )
   s.files += %w( include/grpc/support/alloc.h )
   s.files += %w( include/grpc/support/atm.h )
   s.files += %w( include/grpc/support/atm_gcc_atomic.h )
@@ -88,6 +74,20 @@
   s.files += %w( include/grpc/support/tls_msvc.h )
   s.files += %w( include/grpc/support/tls_pthread.h )
   s.files += %w( include/grpc/support/useful.h )
+  s.files += %w( include/grpc/impl/codegen/alloc.h )
+  s.files += %w( include/grpc/impl/codegen/atm.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
+  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
+  s.files += %w( include/grpc/impl/codegen/log.h )
+  s.files += %w( include/grpc/impl/codegen/port_platform.h )
+  s.files += %w( include/grpc/impl/codegen/slice.h )
+  s.files += %w( include/grpc/impl/codegen/slice_buffer.h )
+  s.files += %w( include/grpc/impl/codegen/sync.h )
+  s.files += %w( include/grpc/impl/codegen/sync_generic.h )
+  s.files += %w( include/grpc/impl/codegen/sync_posix.h )
+  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
+  s.files += %w( include/grpc/impl/codegen/time.h )
   s.files += %w( src/core/lib/profiling/timers.h )
   s.files += %w( src/core/lib/support/backoff.h )
   s.files += %w( src/core/lib/support/block_annotate.h )
@@ -146,69 +146,39 @@
   s.files += %w( src/core/lib/support/wrap_memcpy.c )
   s.files += %w( include/grpc/byte_buffer.h )
   s.files += %w( include/grpc/byte_buffer_reader.h )
-  s.files += %w( include/grpc/census.h )
   s.files += %w( include/grpc/compression.h )
   s.files += %w( include/grpc/grpc.h )
-  s.files += %w( include/grpc/grpc_security.h )
+  s.files += %w( include/grpc/status.h )
   s.files += %w( include/grpc/impl/codegen/byte_buffer.h )
   s.files += %w( include/grpc/impl/codegen/compression_types.h )
   s.files += %w( include/grpc/impl/codegen/connectivity_state.h )
   s.files += %w( include/grpc/impl/codegen/grpc_types.h )
   s.files += %w( include/grpc/impl/codegen/propagation_bits.h )
   s.files += %w( include/grpc/impl/codegen/status.h )
-  s.files += %w( include/grpc/status.h )
-  s.files += %w( src/core/ext/census/aggregation.h )
-  s.files += %w( src/core/ext/census/census_interface.h )
-  s.files += %w( src/core/ext/census/census_rpc_stats.h )
-  s.files += %w( src/core/ext/census/grpc_filter.h )
-  s.files += %w( src/core/ext/census/mlog.h )
-  s.files += %w( src/core/ext/census/rpc_metric_id.h )
-  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.h )
-  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/alpn.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/http2_errors.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/internal.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.h )
-  s.files += %w( src/core/ext/transport/chttp2/transport/varint.h )
+  s.files += %w( include/grpc/impl/codegen/alloc.h )
+  s.files += %w( include/grpc/impl/codegen/atm.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_atomic.h )
+  s.files += %w( include/grpc/impl/codegen/atm_gcc_sync.h )
+  s.files += %w( include/grpc/impl/codegen/atm_win32.h )
+  s.files += %w( include/grpc/impl/codegen/log.h )
+  s.files += %w( include/grpc/impl/codegen/port_platform.h )
+  s.files += %w( include/grpc/impl/codegen/slice.h )
+  s.files += %w( include/grpc/impl/codegen/slice_buffer.h )
+  s.files += %w( include/grpc/impl/codegen/sync.h )
+  s.files += %w( include/grpc/impl/codegen/sync_generic.h )
+  s.files += %w( include/grpc/impl/codegen/sync_posix.h )
+  s.files += %w( include/grpc/impl/codegen/sync_win32.h )
+  s.files += %w( include/grpc/impl/codegen/time.h )
+  s.files += %w( include/grpc/grpc_security.h )
+  s.files += %w( include/grpc/census.h )
   s.files += %w( src/core/lib/channel/channel_args.h )
   s.files += %w( src/core/lib/channel/channel_stack.h )
   s.files += %w( src/core/lib/channel/channel_stack_builder.h )
-  s.files += %w( src/core/lib/channel/client_channel.h )
   s.files += %w( src/core/lib/channel/compress_filter.h )
   s.files += %w( src/core/lib/channel/connected_channel.h )
   s.files += %w( src/core/lib/channel/context.h )
   s.files += %w( src/core/lib/channel/http_client_filter.h )
   s.files += %w( src/core/lib/channel/http_server_filter.h )
-  s.files += %w( src/core/lib/channel/subchannel_call_holder.h )
-  s.files += %w( src/core/lib/client_config/client_config.h )
-  s.files += %w( src/core/lib/client_config/connector.h )
-  s.files += %w( src/core/lib/client_config/initial_connect_string.h )
-  s.files += %w( src/core/lib/client_config/lb_policy.h )
-  s.files += %w( src/core/lib/client_config/lb_policy_factory.h )
-  s.files += %w( src/core/lib/client_config/lb_policy_registry.h )
-  s.files += %w( src/core/lib/client_config/resolver.h )
-  s.files += %w( src/core/lib/client_config/resolver_factory.h )
-  s.files += %w( src/core/lib/client_config/resolver_registry.h )
-  s.files += %w( src/core/lib/client_config/subchannel.h )
-  s.files += %w( src/core/lib/client_config/subchannel_factory.h )
-  s.files += %w( src/core/lib/client_config/subchannel_index.h )
-  s.files += %w( src/core/lib/client_config/uri_parser.h )
   s.files += %w( src/core/lib/compression/algorithm_metadata.h )
   s.files += %w( src/core/lib/compression/message_compress.h )
   s.files += %w( src/core/lib/debug/trace.h )
@@ -255,15 +225,6 @@
   s.files += %w( src/core/lib/json/json_common.h )
   s.files += %w( src/core/lib/json/json_reader.h )
   s.files += %w( src/core/lib/json/json_writer.h )
-  s.files += %w( src/core/lib/security/auth_filters.h )
-  s.files += %w( src/core/lib/security/b64.h )
-  s.files += %w( src/core/lib/security/credentials.h )
-  s.files += %w( src/core/lib/security/handshake.h )
-  s.files += %w( src/core/lib/security/json_token.h )
-  s.files += %w( src/core/lib/security/jwt_verifier.h )
-  s.files += %w( src/core/lib/security/secure_endpoint.h )
-  s.files += %w( src/core/lib/security/security_connector.h )
-  s.files += %w( src/core/lib/security/security_context.h )
   s.files += %w( src/core/lib/surface/api_trace.h )
   s.files += %w( src/core/lib/surface/call.h )
   s.files += %w( src/core/lib/surface/call_test_only.h )
@@ -283,84 +244,80 @@
   s.files += %w( src/core/lib/transport/static_metadata.h )
   s.files += %w( src/core/lib/transport/transport.h )
   s.files += %w( src/core/lib/transport/transport_impl.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/http2_errors.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/internal.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.h )
+  s.files += %w( src/core/ext/transport/chttp2/transport/varint.h )
+  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.h )
+  s.files += %w( src/core/lib/security/auth_filters.h )
+  s.files += %w( src/core/lib/security/b64.h )
+  s.files += %w( src/core/lib/security/credentials.h )
+  s.files += %w( src/core/lib/security/handshake.h )
+  s.files += %w( src/core/lib/security/json_token.h )
+  s.files += %w( src/core/lib/security/jwt_verifier.h )
+  s.files += %w( src/core/lib/security/secure_endpoint.h )
+  s.files += %w( src/core/lib/security/security_connector.h )
+  s.files += %w( src/core/lib/security/security_context.h )
   s.files += %w( src/core/lib/tsi/fake_transport_security.h )
   s.files += %w( src/core/lib/tsi/ssl_transport_security.h )
   s.files += %w( src/core/lib/tsi/ssl_types.h )
   s.files += %w( src/core/lib/tsi/transport_security.h )
   s.files += %w( src/core/lib/tsi/transport_security_interface.h )
+  s.files += %w( src/core/ext/client_config/client_channel.h )
+  s.files += %w( src/core/ext/client_config/client_channel_factory.h )
+  s.files += %w( src/core/ext/client_config/client_config.h )
+  s.files += %w( src/core/ext/client_config/connector.h )
+  s.files += %w( src/core/ext/client_config/initial_connect_string.h )
+  s.files += %w( src/core/ext/client_config/lb_policy.h )
+  s.files += %w( src/core/ext/client_config/lb_policy_factory.h )
+  s.files += %w( src/core/ext/client_config/lb_policy_registry.h )
+  s.files += %w( src/core/ext/client_config/resolver.h )
+  s.files += %w( src/core/ext/client_config/resolver_factory.h )
+  s.files += %w( src/core/ext/client_config/resolver_registry.h )
+  s.files += %w( src/core/ext/client_config/subchannel.h )
+  s.files += %w( src/core/ext/client_config/subchannel_call_holder.h )
+  s.files += %w( src/core/ext/client_config/subchannel_index.h )
+  s.files += %w( src/core/ext/client_config/uri_parser.h )
+  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.h )
+  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h )
   s.files += %w( third_party/nanopb/pb.h )
   s.files += %w( third_party/nanopb/pb_common.h )
   s.files += %w( third_party/nanopb/pb_decode.h )
   s.files += %w( third_party/nanopb/pb_encode.h )
-  s.files += %w( src/core/ext/census/context.c )
-  s.files += %w( src/core/ext/census/grpc_context.c )
-  s.files += %w( src/core/ext/census/grpc_filter.c )
-  s.files += %w( src/core/ext/census/grpc_plugin.c )
-  s.files += %w( src/core/ext/census/initialize.c )
-  s.files += %w( src/core/ext/census/mlog.c )
-  s.files += %w( src/core/ext/census/operation.c )
-  s.files += %w( src/core/ext/census/placeholders.c )
-  s.files += %w( src/core/ext/census/tracing.c )
-  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.c )
-  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c )
-  s.files += %w( src/core/ext/lb_policy/pick_first/pick_first.c )
-  s.files += %w( src/core/ext/lb_policy/round_robin/round_robin.c )
-  s.files += %w( src/core/ext/resolver/dns/native/dns_resolver.c )
-  s.files += %w( src/core/ext/resolver/sockaddr/sockaddr_resolver.c )
-  s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )
-  s.files += %w( src/core/ext/transport/chttp2/client/secure/secure_channel_create.c )
-  s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
-  s.files += %w( src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/alpn.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/parsing.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/stream_lists.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/varint.c )
-  s.files += %w( src/core/ext/transport/chttp2/transport/writing.c )
+  s.files += %w( src/core/ext/census/aggregation.h )
+  s.files += %w( src/core/ext/census/census_interface.h )
+  s.files += %w( src/core/ext/census/census_rpc_stats.h )
+  s.files += %w( src/core/ext/census/grpc_filter.h )
+  s.files += %w( src/core/ext/census/mlog.h )
+  s.files += %w( src/core/ext/census/rpc_metric_id.h )
   s.files += %w( src/core/lib/channel/channel_args.c )
   s.files += %w( src/core/lib/channel/channel_stack.c )
   s.files += %w( src/core/lib/channel/channel_stack_builder.c )
-  s.files += %w( src/core/lib/channel/client_channel.c )
   s.files += %w( src/core/lib/channel/compress_filter.c )
   s.files += %w( src/core/lib/channel/connected_channel.c )
   s.files += %w( src/core/lib/channel/http_client_filter.c )
   s.files += %w( src/core/lib/channel/http_server_filter.c )
-  s.files += %w( src/core/lib/channel/subchannel_call_holder.c )
-  s.files += %w( src/core/lib/client_config/client_config.c )
-  s.files += %w( src/core/lib/client_config/connector.c )
-  s.files += %w( src/core/lib/client_config/default_initial_connect_string.c )
-  s.files += %w( src/core/lib/client_config/initial_connect_string.c )
-  s.files += %w( src/core/lib/client_config/lb_policy.c )
-  s.files += %w( src/core/lib/client_config/lb_policy_factory.c )
-  s.files += %w( src/core/lib/client_config/lb_policy_registry.c )
-  s.files += %w( src/core/lib/client_config/resolver.c )
-  s.files += %w( src/core/lib/client_config/resolver_factory.c )
-  s.files += %w( src/core/lib/client_config/resolver_registry.c )
-  s.files += %w( src/core/lib/client_config/subchannel.c )
-  s.files += %w( src/core/lib/client_config/subchannel_factory.c )
-  s.files += %w( src/core/lib/client_config/subchannel_index.c )
-  s.files += %w( src/core/lib/client_config/uri_parser.c )
   s.files += %w( src/core/lib/compression/compression_algorithm.c )
   s.files += %w( src/core/lib/compression/message_compress.c )
   s.files += %w( src/core/lib/debug/trace.c )
   s.files += %w( src/core/lib/http/format_request.c )
   s.files += %w( src/core/lib/http/httpcli.c )
-  s.files += %w( src/core/lib/http/httpcli_security_connector.c )
   s.files += %w( src/core/lib/http/parser.c )
   s.files += %w( src/core/lib/iomgr/closure.c )
   s.files += %w( src/core/lib/iomgr/endpoint.c )
@@ -405,6 +362,56 @@
   s.files += %w( src/core/lib/json/json_reader.c )
   s.files += %w( src/core/lib/json/json_string.c )
   s.files += %w( src/core/lib/json/json_writer.c )
+  s.files += %w( src/core/lib/surface/alarm.c )
+  s.files += %w( src/core/lib/surface/api_trace.c )
+  s.files += %w( src/core/lib/surface/byte_buffer.c )
+  s.files += %w( src/core/lib/surface/byte_buffer_reader.c )
+  s.files += %w( src/core/lib/surface/call.c )
+  s.files += %w( src/core/lib/surface/call_details.c )
+  s.files += %w( src/core/lib/surface/call_log_batch.c )
+  s.files += %w( src/core/lib/surface/channel.c )
+  s.files += %w( src/core/lib/surface/channel_init.c )
+  s.files += %w( src/core/lib/surface/channel_ping.c )
+  s.files += %w( src/core/lib/surface/channel_stack_type.c )
+  s.files += %w( src/core/lib/surface/completion_queue.c )
+  s.files += %w( src/core/lib/surface/event_string.c )
+  s.files += %w( src/core/lib/surface/init.c )
+  s.files += %w( src/core/lib/surface/lame_client.c )
+  s.files += %w( src/core/lib/surface/metadata_array.c )
+  s.files += %w( src/core/lib/surface/server.c )
+  s.files += %w( src/core/lib/surface/validate_metadata.c )
+  s.files += %w( src/core/lib/surface/version.c )
+  s.files += %w( src/core/lib/transport/byte_stream.c )
+  s.files += %w( src/core/lib/transport/connectivity_state.c )
+  s.files += %w( src/core/lib/transport/metadata.c )
+  s.files += %w( src/core/lib/transport/metadata_batch.c )
+  s.files += %w( src/core/lib/transport/static_metadata.c )
+  s.files += %w( src/core/lib/transport/transport.c )
+  s.files += %w( src/core/lib/transport/transport_op_string.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/bin_encoder.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_plugin.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/chttp2_transport.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_data.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_goaway.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_ping.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_rst_stream.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_settings.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/frame_window_update.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_encoder.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_parser.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/hpack_table.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/huffsyms.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/incoming_metadata.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/parsing.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/status_conversion.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_lists.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/stream_map.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/timeout_encoding.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/varint.c )
+  s.files += %w( src/core/ext/transport/chttp2/transport/writing.c )
+  s.files += %w( src/core/ext/transport/chttp2/alpn/alpn.c )
+  s.files += %w( src/core/lib/http/httpcli_security_connector.c )
   s.files += %w( src/core/lib/security/b64.c )
   s.files += %w( src/core/lib/security/client_auth_filter.c )
   s.files += %w( src/core/lib/security/credentials.c )
@@ -419,41 +426,50 @@
   s.files += %w( src/core/lib/security/security_connector.c )
   s.files += %w( src/core/lib/security/security_context.c )
   s.files += %w( src/core/lib/security/server_auth_filter.c )
-  s.files += %w( src/core/lib/surface/alarm.c )
-  s.files += %w( src/core/lib/surface/api_trace.c )
-  s.files += %w( src/core/lib/surface/byte_buffer.c )
-  s.files += %w( src/core/lib/surface/byte_buffer_reader.c )
-  s.files += %w( src/core/lib/surface/call.c )
-  s.files += %w( src/core/lib/surface/call_details.c )
-  s.files += %w( src/core/lib/surface/call_log_batch.c )
-  s.files += %w( src/core/lib/surface/channel.c )
-  s.files += %w( src/core/lib/surface/channel_connectivity.c )
-  s.files += %w( src/core/lib/surface/channel_init.c )
-  s.files += %w( src/core/lib/surface/channel_ping.c )
-  s.files += %w( src/core/lib/surface/channel_stack_type.c )
-  s.files += %w( src/core/lib/surface/completion_queue.c )
-  s.files += %w( src/core/lib/surface/event_string.c )
-  s.files += %w( src/core/lib/surface/init.c )
   s.files += %w( src/core/lib/surface/init_secure.c )
-  s.files += %w( src/core/lib/surface/lame_client.c )
-  s.files += %w( src/core/lib/surface/metadata_array.c )
-  s.files += %w( src/core/lib/surface/server.c )
-  s.files += %w( src/core/lib/surface/validate_metadata.c )
-  s.files += %w( src/core/lib/surface/version.c )
-  s.files += %w( src/core/lib/transport/byte_stream.c )
-  s.files += %w( src/core/lib/transport/connectivity_state.c )
-  s.files += %w( src/core/lib/transport/metadata.c )
-  s.files += %w( src/core/lib/transport/metadata_batch.c )
-  s.files += %w( src/core/lib/transport/static_metadata.c )
-  s.files += %w( src/core/lib/transport/transport.c )
-  s.files += %w( src/core/lib/transport/transport_op_string.c )
   s.files += %w( src/core/lib/tsi/fake_transport_security.c )
   s.files += %w( src/core/lib/tsi/ssl_transport_security.c )
   s.files += %w( src/core/lib/tsi/transport_security.c )
-  s.files += %w( src/core/plugin_registry/grpc_plugin_registry.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/secure/secure_channel_create.c )
+  s.files += %w( src/core/ext/client_config/channel_connectivity.c )
+  s.files += %w( src/core/ext/client_config/client_channel.c )
+  s.files += %w( src/core/ext/client_config/client_channel_factory.c )
+  s.files += %w( src/core/ext/client_config/client_config.c )
+  s.files += %w( src/core/ext/client_config/client_config_plugin.c )
+  s.files += %w( src/core/ext/client_config/connector.c )
+  s.files += %w( src/core/ext/client_config/default_initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/lb_policy.c )
+  s.files += %w( src/core/ext/client_config/lb_policy_factory.c )
+  s.files += %w( src/core/ext/client_config/lb_policy_registry.c )
+  s.files += %w( src/core/ext/client_config/resolver.c )
+  s.files += %w( src/core/ext/client_config/resolver_factory.c )
+  s.files += %w( src/core/ext/client_config/resolver_registry.c )
+  s.files += %w( src/core/ext/client_config/subchannel.c )
+  s.files += %w( src/core/ext/client_config/subchannel_call_holder.c )
+  s.files += %w( src/core/ext/client_config/subchannel_index.c )
+  s.files += %w( src/core/ext/client_config/uri_parser.c )
+  s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
+  s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )
+  s.files += %w( src/core/ext/lb_policy/grpclb/load_balancer_api.c )
+  s.files += %w( src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c )
   s.files += %w( third_party/nanopb/pb_common.c )
   s.files += %w( third_party/nanopb/pb_decode.c )
   s.files += %w( third_party/nanopb/pb_encode.c )
+  s.files += %w( src/core/ext/lb_policy/pick_first/pick_first.c )
+  s.files += %w( src/core/ext/lb_policy/round_robin/round_robin.c )
+  s.files += %w( src/core/ext/resolver/dns/native/dns_resolver.c )
+  s.files += %w( src/core/ext/resolver/sockaddr/sockaddr_resolver.c )
+  s.files += %w( src/core/ext/census/context.c )
+  s.files += %w( src/core/ext/census/grpc_context.c )
+  s.files += %w( src/core/ext/census/grpc_filter.c )
+  s.files += %w( src/core/ext/census/grpc_plugin.c )
+  s.files += %w( src/core/ext/census/initialize.c )
+  s.files += %w( src/core/ext/census/mlog.c )
+  s.files += %w( src/core/ext/census/operation.c )
+  s.files += %w( src/core/ext/census/placeholders.c )
+  s.files += %w( src/core/ext/census/tracing.c )
+  s.files += %w( src/core/plugin_registry/grpc_plugin_registry.c )
   s.files += %w( third_party/boringssl/crypto/aes/internal.h )
   s.files += %w( third_party/boringssl/crypto/asn1/asn1_locl.h )
   s.files += %w( third_party/boringssl/crypto/bio/internal.h )
diff --git a/include/grpc++/impl/codegen/async_stream.h b/include/grpc++/impl/codegen/async_stream.h
index 78fb727..a607a47 100644
--- a/include/grpc++/impl/codegen/async_stream.h
+++ b/include/grpc++/impl/codegen/async_stream.h
@@ -108,7 +108,8 @@
                     const W& request, void* tag)
       : context_(context), call_(channel->CreateCall(method, context, cq)) {
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     // TODO(ctiller): don't assert
     GPR_CODEGEN_ASSERT(init_ops_.SendMessage(request).ok());
     init_ops_.ClientSendClose();
@@ -173,7 +174,8 @@
     finish_ops_.RecvMessage(response);
 
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     call_.PerformOps(&init_ops_);
   }
 
@@ -240,7 +242,8 @@
                           void* tag)
       : context_(context), call_(channel->CreateCall(method, context, cq)) {
     init_ops_.set_output_tag(tag);
-    init_ops_.SendInitialMetadata(context->send_initial_metadata_);
+    init_ops_.SendInitialMetadata(context->send_initial_metadata_,
+                                  context->initial_metadata_flags());
     call_.PerformOps(&init_ops_);
   }
 
@@ -305,7 +308,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -319,7 +323,8 @@
   void Finish(const W& msg, const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
@@ -336,7 +341,8 @@
     GPR_CODEGEN_ASSERT(!status.ok());
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -366,7 +372,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -374,7 +381,8 @@
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                     ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // TODO(ctiller): don't assert
@@ -385,7 +393,8 @@
   void Finish(const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
@@ -415,7 +424,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_ops_.set_output_tag(tag);
-    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_ops_);
   }
@@ -429,7 +439,8 @@
   void Write(const W& msg, void* tag) GRPC_OVERRIDE {
     write_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      write_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      write_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                     ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // TODO(ctiller): don't assert
@@ -440,7 +451,8 @@
   void Finish(const Status& status, void* tag) {
     finish_ops_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_ops_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_ops_.ServerSendStatus(ctx_->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/async_unary_call.h b/include/grpc++/impl/codegen/async_unary_call.h
index 52b3477..55c9788 100644
--- a/include/grpc++/impl/codegen/async_unary_call.h
+++ b/include/grpc++/impl/codegen/async_unary_call.h
@@ -67,7 +67,8 @@
         call_(channel->CreateCall(method, context, cq)),
         collection_(new CallOpSetCollection) {
     collection_->init_buf_.SetCollection(collection_);
-    collection_->init_buf_.SendInitialMetadata(context->send_initial_metadata_);
+    collection_->init_buf_.SendInitialMetadata(
+        context->send_initial_metadata_, context->initial_metadata_flags());
     // TODO(ctiller): don't assert
     GPR_CODEGEN_ASSERT(collection_->init_buf_.SendMessage(request).ok());
     collection_->init_buf_.ClientSendClose();
@@ -122,7 +123,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     meta_buf_.set_output_tag(tag);
-    meta_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+    meta_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                  ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_.PerformOps(&meta_buf_);
   }
@@ -130,7 +132,8 @@
   void Finish(const W& msg, const Status& status, void* tag) {
     finish_buf_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     // The response is dropped if the status is not OK.
@@ -147,7 +150,8 @@
     GPR_CODEGEN_ASSERT(!status.ok());
     finish_buf_.set_output_tag(tag);
     if (!ctx_->sent_initial_metadata_) {
-      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_);
+      finish_buf_.SendInitialMetadata(ctx_->initial_metadata_,
+                                      ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     finish_buf_.ServerSendStatus(ctx_->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/call.h b/include/grpc++/impl/codegen/call.h
index f76d7c2..aea1a6a 100644
--- a/include/grpc++/impl/codegen/call.h
+++ b/include/grpc++/impl/codegen/call.h
@@ -181,8 +181,10 @@
   CallOpSendInitialMetadata() : send_(false) {}
 
   void SendInitialMetadata(
-      const std::multimap<grpc::string, grpc::string>& metadata) {
+      const std::multimap<grpc::string, grpc::string>& metadata,
+      uint32_t flags) {
     send_ = true;
+    flags_ = flags;
     initial_metadata_count_ = metadata.size();
     initial_metadata_ = FillMetadataArray(metadata);
   }
@@ -192,7 +194,7 @@
     if (!send_) return;
     grpc_op* op = &ops[(*nops)++];
     op->op = GRPC_OP_SEND_INITIAL_METADATA;
-    op->flags = 0;
+    op->flags = flags_;
     op->reserved = NULL;
     op->data.send_initial_metadata.count = initial_metadata_count_;
     op->data.send_initial_metadata.metadata = initial_metadata_;
@@ -204,6 +206,7 @@
   }
 
   bool send_;
+  uint32_t flags_;
   size_t initial_metadata_count_;
   grpc_metadata* initial_metadata_;
 };
diff --git a/include/grpc++/impl/codegen/client_context.h b/include/grpc++/impl/codegen/client_context.h
index 5201808..aed1276 100644
--- a/include/grpc++/impl/codegen/client_context.h
+++ b/include/grpc++/impl/codegen/client_context.h
@@ -221,6 +221,12 @@
     deadline_ = deadline_tp.raw_time();
   }
 
+  /// EXPERIMENTAL: Set this request to be idempotent
+  void set_idempotent(bool idempotent) { idempotent_ = idempotent; }
+
+  /// EXPERIMENTAL: Trigger fail-fast or not on this request
+  void set_fail_fast(bool fail_fast) { fail_fast_ = fail_fast; }
+
 #ifndef GRPC_CXX0X_NO_CHRONO
   /// Return the deadline for the client call.
   std::chrono::system_clock::time_point deadline() {
@@ -328,9 +334,16 @@
   grpc_call* call() { return call_; }
   void set_call(grpc_call* call, const std::shared_ptr<Channel>& channel);
 
+  uint32_t initial_metadata_flags() const {
+    return (idempotent_ ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST : 0) |
+           (fail_fast_ ? 0 : GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY);
+  }
+
   grpc::string authority() { return authority_; }
 
   bool initial_metadata_received_;
+  bool fail_fast_;
+  bool idempotent_;
   std::shared_ptr<Channel> channel_;
   grpc::mutex mu_;
   grpc_call* call_;
diff --git a/include/grpc++/impl/codegen/client_unary_call.h b/include/grpc++/impl/codegen/client_unary_call.h
index 0ee5b19..70d6554 100644
--- a/include/grpc++/impl/codegen/client_unary_call.h
+++ b/include/grpc++/impl/codegen/client_unary_call.h
@@ -62,7 +62,8 @@
   if (!status.ok()) {
     return status;
   }
-  ops.SendInitialMetadata(context->send_initial_metadata_);
+  ops.SendInitialMetadata(context->send_initial_metadata_,
+                          context->initial_metadata_flags());
   ops.RecvInitialMetadata(context);
   ops.RecvMessage(result);
   ops.ClientSendClose();
diff --git a/include/grpc++/impl/codegen/method_handler_impl.h b/include/grpc++/impl/codegen/method_handler_impl.h
index 436b4d8..ad74efa 100644
--- a/include/grpc++/impl/codegen/method_handler_impl.h
+++ b/include/grpc++/impl/codegen/method_handler_impl.h
@@ -63,7 +63,8 @@
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
               CallOpServerSendStatus>
         ops;
-    ops.SendInitialMetadata(param.server_context->initial_metadata_);
+    ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                            param.server_context->initial_metadata_flags());
     if (status.ok()) {
       status = ops.SendMessage(rsp);
     }
@@ -100,7 +101,8 @@
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
               CallOpServerSendStatus>
         ops;
-    ops.SendInitialMetadata(param.server_context->initial_metadata_);
+    ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                            param.server_context->initial_metadata_flags());
     if (status.ok()) {
       status = ops.SendMessage(rsp);
     }
@@ -138,7 +140,8 @@
 
     CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> ops;
     if (!param.server_context->sent_initial_metadata_) {
-      ops.SendInitialMetadata(param.server_context->initial_metadata_);
+      ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                              param.server_context->initial_metadata_flags());
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);
     param.call->PerformOps(&ops);
@@ -170,7 +173,8 @@
 
     CallOpSet<CallOpSendInitialMetadata, CallOpServerSendStatus> ops;
     if (!param.server_context->sent_initial_metadata_) {
-      ops.SendInitialMetadata(param.server_context->initial_metadata_);
+      ops.SendInitialMetadata(param.server_context->initial_metadata_,
+                              param.server_context->initial_metadata_flags());
     }
     ops.ServerSendStatus(param.server_context->trailing_metadata_, status);
     param.call->PerformOps(&ops);
@@ -191,7 +195,8 @@
   static void FillOps(ServerContext* context, T* ops) {
     Status status(StatusCode::UNIMPLEMENTED, "");
     if (!context->sent_initial_metadata_) {
-      ops->SendInitialMetadata(context->initial_metadata_);
+      ops->SendInitialMetadata(context->initial_metadata_,
+                               context->initial_metadata_flags());
       context->sent_initial_metadata_ = true;
     }
     ops->ServerSendStatus(context->trailing_metadata_, status);
diff --git a/include/grpc++/impl/codegen/server_context.h b/include/grpc++/impl/codegen/server_context.h
index 44d340a..7fa0235 100644
--- a/include/grpc++/impl/codegen/server_context.h
+++ b/include/grpc++/impl/codegen/server_context.h
@@ -195,6 +195,8 @@
 
   void set_call(grpc_call* call);
 
+  uint32_t initial_metadata_flags() const { return 0; }
+
   CompletionOp* completion_op_;
   bool has_notify_when_done_tag_;
   void* async_notify_when_done_tag_;
diff --git a/include/grpc++/impl/codegen/sync_stream.h b/include/grpc++/impl/codegen/sync_stream.h
index d0ad051..9100ce0 100644
--- a/include/grpc++/impl/codegen/sync_stream.h
+++ b/include/grpc++/impl/codegen/sync_stream.h
@@ -125,7 +125,8 @@
     CallOpSet<CallOpSendInitialMetadata, CallOpSendMessage,
               CallOpClientSendClose>
         ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     // TODO(ctiller): don't assert
     GPR_CODEGEN_ASSERT(ops.SendMessage(request).ok());
     ops.ClientSendClose();
@@ -190,7 +191,8 @@
     finish_ops_.RecvMessage(response);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
@@ -268,7 +270,8 @@
                      ClientContext* context)
       : context_(context), call_(channel->CreateCall(method, context, &cq_)) {
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(context->send_initial_metadata_);
+    ops.SendInitialMetadata(context->send_initial_metadata_,
+                            context->initial_metadata_flags());
     call_.PerformOps(&ops);
     cq_.Pluck(&ops);
   }
@@ -334,7 +337,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -361,7 +365,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -374,7 +379,8 @@
       return false;
     }
     if (!ctx_->sent_initial_metadata_) {
-      ops.SendInitialMetadata(ctx_->initial_metadata_);
+      ops.SendInitialMetadata(ctx_->initial_metadata_,
+                              ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     call_->PerformOps(&ops);
@@ -397,7 +403,8 @@
     GPR_CODEGEN_ASSERT(!ctx_->sent_initial_metadata_);
 
     CallOpSet<CallOpSendInitialMetadata> ops;
-    ops.SendInitialMetadata(ctx_->initial_metadata_);
+    ops.SendInitialMetadata(ctx_->initial_metadata_,
+                            ctx_->initial_metadata_flags());
     ctx_->sent_initial_metadata_ = true;
     call_->PerformOps(&ops);
     call_->cq()->Pluck(&ops);
@@ -417,7 +424,8 @@
       return false;
     }
     if (!ctx_->sent_initial_metadata_) {
-      ops.SendInitialMetadata(ctx_->initial_metadata_);
+      ops.SendInitialMetadata(ctx_->initial_metadata_,
+                              ctx_->initial_metadata_flags());
       ctx_->sent_initial_metadata_ = true;
     }
     call_->PerformOps(&ops);
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 8b46072..5c868ae 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -289,6 +289,14 @@
     grpc_completion_queue *cq_bound_to_call,
     grpc_completion_queue *cq_for_notification, void *tag_new);
 
+/** How to handle payloads for a registered method */
+typedef enum {
+  /** Don't try to read the payload */
+  GRPC_SRM_PAYLOAD_NONE,
+  /** Read the initial payload as a byte buffer */
+  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER
+} grpc_server_register_method_payload_handling;
+
 /** Registers a method in the server.
     Methods to this (host, method) pair will not be reported by
     grpc_server_request_call, but instead be reported by
@@ -296,9 +304,10 @@
     registered_method (as returned by this function).
     Must be called before grpc_server_start.
     Returns NULL on failure. */
-GRPCAPI void *grpc_server_register_method(grpc_server *server,
-                                          const char *method, const char *host,
-                                          uint32_t flags);
+GRPCAPI void *grpc_server_register_method(
+    grpc_server *server, const char *method, const char *host,
+    grpc_server_register_method_payload_handling payload_handling,
+    uint32_t flags);
 
 /** Request notification of a new pre-registered call. 'cq_for_notification'
     must have been registered to the server via
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index b09b1cd..4c73730 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -142,6 +142,8 @@
 /** Secondary user agent: goes at the end of the user-agent metadata
     sent on each request */
 #define GRPC_ARG_SECONDARY_USER_AGENT_STRING "grpc.secondary_user_agent"
+/** The maximum time between subsequent connection attempts, in ms */
+#define GRPC_ARG_MAX_RECONNECT_BACKOFF_MS "grpc.max_reconnect_backoff_ms"
 /* The caller of the secure_channel_create functions may override the target
    name used for SSL host name checking using this channel argument which is of
    type GRPC_ARG_STRING. This *should* be used for testing only.
@@ -185,7 +187,9 @@
       server */
   GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE,
   /** this batch of operations leads to more operations than allowed */
-  GRPC_CALL_ERROR_BATCH_TOO_BIG
+  GRPC_CALL_ERROR_BATCH_TOO_BIG,
+  /** payload type requested is not the type registered */
+  GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH
 } grpc_call_error;
 
 /* Write Flags: */
@@ -202,8 +206,12 @@
 /* Initial metadata flags */
 /** Signal that the call is idempotent */
 #define GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST (0x00000010u)
+/** Signal that the call should not return UNAVAILABLE before it has started */
+#define GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY (0x00000020u)
 /** Mask of all valid flags */
-#define GRPC_INITIAL_METADATA_USED_MASK GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+#define GRPC_INITIAL_METADATA_USED_MASK       \
+  (GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST | \
+   GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY)
 
 /** A single metadata element */
 typedef struct grpc_metadata {
diff --git a/package.json b/package.json
index 24a5aa0..fea7c08 100644
--- a/package.json
+++ b/package.json
@@ -89,69 +89,39 @@
     "src/node/src/server.js",
     "include/grpc/byte_buffer.h",
     "include/grpc/byte_buffer_reader.h",
-    "include/grpc/census.h",
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
-    "include/grpc/grpc_security.h",
+    "include/grpc/status.h",
     "include/grpc/impl/codegen/byte_buffer.h",
     "include/grpc/impl/codegen/compression_types.h",
     "include/grpc/impl/codegen/connectivity_state.h",
     "include/grpc/impl/codegen/grpc_types.h",
     "include/grpc/impl/codegen/propagation_bits.h",
     "include/grpc/impl/codegen/status.h",
-    "include/grpc/status.h",
-    "src/core/ext/census/aggregation.h",
-    "src/core/ext/census/census_interface.h",
-    "src/core/ext/census/census_rpc_stats.h",
-    "src/core/ext/census/grpc_filter.h",
-    "src/core/ext/census/mlog.h",
-    "src/core/ext/census/rpc_metric_id.h",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
-    "src/core/ext/transport/chttp2/transport/alpn.h",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
-    "src/core/ext/transport/chttp2/transport/frame.h",
-    "src/core/ext/transport/chttp2/transport/frame_data.h",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
-    "src/core/ext/transport/chttp2/transport/frame_ping.h",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
-    "src/core/ext/transport/chttp2/transport/frame_settings.h",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
-    "src/core/ext/transport/chttp2/transport/hpack_table.h",
-    "src/core/ext/transport/chttp2/transport/http2_errors.h",
-    "src/core/ext/transport/chttp2/transport/huffsyms.h",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
-    "src/core/ext/transport/chttp2/transport/internal.h",
-    "src/core/ext/transport/chttp2/transport/status_conversion.h",
-    "src/core/ext/transport/chttp2/transport/stream_map.h",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
-    "src/core/ext/transport/chttp2/transport/varint.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/grpc_security.h",
+    "include/grpc/census.h",
     "src/core/lib/channel/channel_args.h",
     "src/core/lib/channel/channel_stack.h",
     "src/core/lib/channel/channel_stack_builder.h",
-    "src/core/lib/channel/client_channel.h",
     "src/core/lib/channel/compress_filter.h",
     "src/core/lib/channel/connected_channel.h",
     "src/core/lib/channel/context.h",
     "src/core/lib/channel/http_client_filter.h",
     "src/core/lib/channel/http_server_filter.h",
-    "src/core/lib/channel/subchannel_call_holder.h",
-    "src/core/lib/client_config/client_config.h",
-    "src/core/lib/client_config/connector.h",
-    "src/core/lib/client_config/initial_connect_string.h",
-    "src/core/lib/client_config/lb_policy.h",
-    "src/core/lib/client_config/lb_policy_factory.h",
-    "src/core/lib/client_config/lb_policy_registry.h",
-    "src/core/lib/client_config/resolver.h",
-    "src/core/lib/client_config/resolver_factory.h",
-    "src/core/lib/client_config/resolver_registry.h",
-    "src/core/lib/client_config/subchannel.h",
-    "src/core/lib/client_config/subchannel_factory.h",
-    "src/core/lib/client_config/subchannel_index.h",
-    "src/core/lib/client_config/uri_parser.h",
     "src/core/lib/compression/algorithm_metadata.h",
     "src/core/lib/compression/message_compress.h",
     "src/core/lib/debug/trace.h",
@@ -198,15 +168,6 @@
     "src/core/lib/json/json_common.h",
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
-    "src/core/lib/security/auth_filters.h",
-    "src/core/lib/security/b64.h",
-    "src/core/lib/security/credentials.h",
-    "src/core/lib/security/handshake.h",
-    "src/core/lib/security/json_token.h",
-    "src/core/lib/security/jwt_verifier.h",
-    "src/core/lib/security/secure_endpoint.h",
-    "src/core/lib/security/security_connector.h",
-    "src/core/lib/security/security_context.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
     "src/core/lib/surface/call_test_only.h",
@@ -226,84 +187,80 @@
     "src/core/lib/transport/static_metadata.h",
     "src/core/lib/transport/transport.h",
     "src/core/lib/transport/transport_impl.h",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.h",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.h",
+    "src/core/ext/transport/chttp2/transport/frame.h",
+    "src/core/ext/transport/chttp2/transport/frame_data.h",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.h",
+    "src/core/ext/transport/chttp2/transport/frame_ping.h",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.h",
+    "src/core/ext/transport/chttp2/transport/frame_settings.h",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.h",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.h",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.h",
+    "src/core/ext/transport/chttp2/transport/hpack_table.h",
+    "src/core/ext/transport/chttp2/transport/http2_errors.h",
+    "src/core/ext/transport/chttp2/transport/huffsyms.h",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.h",
+    "src/core/ext/transport/chttp2/transport/internal.h",
+    "src/core/ext/transport/chttp2/transport/status_conversion.h",
+    "src/core/ext/transport/chttp2/transport/stream_map.h",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.h",
+    "src/core/ext/transport/chttp2/transport/varint.h",
+    "src/core/ext/transport/chttp2/alpn/alpn.h",
+    "src/core/lib/security/auth_filters.h",
+    "src/core/lib/security/b64.h",
+    "src/core/lib/security/credentials.h",
+    "src/core/lib/security/handshake.h",
+    "src/core/lib/security/json_token.h",
+    "src/core/lib/security/jwt_verifier.h",
+    "src/core/lib/security/secure_endpoint.h",
+    "src/core/lib/security/security_connector.h",
+    "src/core/lib/security/security_context.h",
     "src/core/lib/tsi/fake_transport_security.h",
     "src/core/lib/tsi/ssl_transport_security.h",
     "src/core/lib/tsi/ssl_types.h",
     "src/core/lib/tsi/transport_security.h",
     "src/core/lib/tsi/transport_security_interface.h",
+    "src/core/ext/client_config/client_channel.h",
+    "src/core/ext/client_config/client_channel_factory.h",
+    "src/core/ext/client_config/client_config.h",
+    "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/initial_connect_string.h",
+    "src/core/ext/client_config/lb_policy.h",
+    "src/core/ext/client_config/lb_policy_factory.h",
+    "src/core/ext/client_config/lb_policy_registry.h",
+    "src/core/ext/client_config/resolver.h",
+    "src/core/ext/client_config/resolver_factory.h",
+    "src/core/ext/client_config/resolver_registry.h",
+    "src/core/ext/client_config/subchannel.h",
+    "src/core/ext/client_config/subchannel_call_holder.h",
+    "src/core/ext/client_config/subchannel_index.h",
+    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h",
     "third_party/nanopb/pb.h",
     "third_party/nanopb/pb_common.h",
     "third_party/nanopb/pb_decode.h",
     "third_party/nanopb/pb_encode.h",
-    "src/core/ext/census/context.c",
-    "src/core/ext/census/grpc_context.c",
-    "src/core/ext/census/grpc_filter.c",
-    "src/core/ext/census/grpc_plugin.c",
-    "src/core/ext/census/initialize.c",
-    "src/core/ext/census/mlog.c",
-    "src/core/ext/census/operation.c",
-    "src/core/ext/census/placeholders.c",
-    "src/core/ext/census/tracing.c",
-    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
-    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
-    "src/core/ext/lb_policy/pick_first/pick_first.c",
-    "src/core/ext/lb_policy/round_robin/round_robin.c",
-    "src/core/ext/resolver/dns/native/dns_resolver.c",
-    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
-    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
-    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
-    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
-    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
-    "src/core/ext/transport/chttp2/transport/alpn.c",
-    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
-    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
-    "src/core/ext/transport/chttp2/transport/frame_data.c",
-    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
-    "src/core/ext/transport/chttp2/transport/frame_ping.c",
-    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
-    "src/core/ext/transport/chttp2/transport/frame_settings.c",
-    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
-    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
-    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
-    "src/core/ext/transport/chttp2/transport/hpack_table.c",
-    "src/core/ext/transport/chttp2/transport/huffsyms.c",
-    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
-    "src/core/ext/transport/chttp2/transport/parsing.c",
-    "src/core/ext/transport/chttp2/transport/status_conversion.c",
-    "src/core/ext/transport/chttp2/transport/stream_lists.c",
-    "src/core/ext/transport/chttp2/transport/stream_map.c",
-    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
-    "src/core/ext/transport/chttp2/transport/varint.c",
-    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/census/aggregation.h",
+    "src/core/ext/census/census_interface.h",
+    "src/core/ext/census/census_rpc_stats.h",
+    "src/core/ext/census/grpc_filter.h",
+    "src/core/ext/census/mlog.h",
+    "src/core/ext/census/rpc_metric_id.h",
     "src/core/lib/channel/channel_args.c",
     "src/core/lib/channel/channel_stack.c",
     "src/core/lib/channel/channel_stack_builder.c",
-    "src/core/lib/channel/client_channel.c",
     "src/core/lib/channel/compress_filter.c",
     "src/core/lib/channel/connected_channel.c",
     "src/core/lib/channel/http_client_filter.c",
     "src/core/lib/channel/http_server_filter.c",
-    "src/core/lib/channel/subchannel_call_holder.c",
-    "src/core/lib/client_config/client_config.c",
-    "src/core/lib/client_config/connector.c",
-    "src/core/lib/client_config/default_initial_connect_string.c",
-    "src/core/lib/client_config/initial_connect_string.c",
-    "src/core/lib/client_config/lb_policy.c",
-    "src/core/lib/client_config/lb_policy_factory.c",
-    "src/core/lib/client_config/lb_policy_registry.c",
-    "src/core/lib/client_config/resolver.c",
-    "src/core/lib/client_config/resolver_factory.c",
-    "src/core/lib/client_config/resolver_registry.c",
-    "src/core/lib/client_config/subchannel.c",
-    "src/core/lib/client_config/subchannel_factory.c",
-    "src/core/lib/client_config/subchannel_index.c",
-    "src/core/lib/client_config/uri_parser.c",
     "src/core/lib/compression/compression_algorithm.c",
     "src/core/lib/compression/message_compress.c",
     "src/core/lib/debug/trace.c",
     "src/core/lib/http/format_request.c",
     "src/core/lib/http/httpcli.c",
-    "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/http/parser.c",
     "src/core/lib/iomgr/closure.c",
     "src/core/lib/iomgr/endpoint.c",
@@ -348,6 +305,56 @@
     "src/core/lib/json/json_reader.c",
     "src/core/lib/json/json_string.c",
     "src/core/lib/json/json_writer.c",
+    "src/core/lib/surface/alarm.c",
+    "src/core/lib/surface/api_trace.c",
+    "src/core/lib/surface/byte_buffer.c",
+    "src/core/lib/surface/byte_buffer_reader.c",
+    "src/core/lib/surface/call.c",
+    "src/core/lib/surface/call_details.c",
+    "src/core/lib/surface/call_log_batch.c",
+    "src/core/lib/surface/channel.c",
+    "src/core/lib/surface/channel_init.c",
+    "src/core/lib/surface/channel_ping.c",
+    "src/core/lib/surface/channel_stack_type.c",
+    "src/core/lib/surface/completion_queue.c",
+    "src/core/lib/surface/event_string.c",
+    "src/core/lib/surface/init.c",
+    "src/core/lib/surface/lame_client.c",
+    "src/core/lib/surface/metadata_array.c",
+    "src/core/lib/surface/server.c",
+    "src/core/lib/surface/validate_metadata.c",
+    "src/core/lib/surface/version.c",
+    "src/core/lib/transport/byte_stream.c",
+    "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/metadata.c",
+    "src/core/lib/transport/metadata_batch.c",
+    "src/core/lib/transport/static_metadata.c",
+    "src/core/lib/transport/transport.c",
+    "src/core/lib/transport/transport_op_string.c",
+    "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c",
+    "src/core/ext/transport/chttp2/transport/bin_encoder.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_plugin.c",
+    "src/core/ext/transport/chttp2/transport/chttp2_transport.c",
+    "src/core/ext/transport/chttp2/transport/frame_data.c",
+    "src/core/ext/transport/chttp2/transport/frame_goaway.c",
+    "src/core/ext/transport/chttp2/transport/frame_ping.c",
+    "src/core/ext/transport/chttp2/transport/frame_rst_stream.c",
+    "src/core/ext/transport/chttp2/transport/frame_settings.c",
+    "src/core/ext/transport/chttp2/transport/frame_window_update.c",
+    "src/core/ext/transport/chttp2/transport/hpack_encoder.c",
+    "src/core/ext/transport/chttp2/transport/hpack_parser.c",
+    "src/core/ext/transport/chttp2/transport/hpack_table.c",
+    "src/core/ext/transport/chttp2/transport/huffsyms.c",
+    "src/core/ext/transport/chttp2/transport/incoming_metadata.c",
+    "src/core/ext/transport/chttp2/transport/parsing.c",
+    "src/core/ext/transport/chttp2/transport/status_conversion.c",
+    "src/core/ext/transport/chttp2/transport/stream_lists.c",
+    "src/core/ext/transport/chttp2/transport/stream_map.c",
+    "src/core/ext/transport/chttp2/transport/timeout_encoding.c",
+    "src/core/ext/transport/chttp2/transport/varint.c",
+    "src/core/ext/transport/chttp2/transport/writing.c",
+    "src/core/ext/transport/chttp2/alpn/alpn.c",
+    "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/security/b64.c",
     "src/core/lib/security/client_auth_filter.c",
     "src/core/lib/security/credentials.c",
@@ -362,41 +369,50 @@
     "src/core/lib/security/security_connector.c",
     "src/core/lib/security/security_context.c",
     "src/core/lib/security/server_auth_filter.c",
-    "src/core/lib/surface/alarm.c",
-    "src/core/lib/surface/api_trace.c",
-    "src/core/lib/surface/byte_buffer.c",
-    "src/core/lib/surface/byte_buffer_reader.c",
-    "src/core/lib/surface/call.c",
-    "src/core/lib/surface/call_details.c",
-    "src/core/lib/surface/call_log_batch.c",
-    "src/core/lib/surface/channel.c",
-    "src/core/lib/surface/channel_connectivity.c",
-    "src/core/lib/surface/channel_init.c",
-    "src/core/lib/surface/channel_ping.c",
-    "src/core/lib/surface/channel_stack_type.c",
-    "src/core/lib/surface/completion_queue.c",
-    "src/core/lib/surface/event_string.c",
-    "src/core/lib/surface/init.c",
     "src/core/lib/surface/init_secure.c",
-    "src/core/lib/surface/lame_client.c",
-    "src/core/lib/surface/metadata_array.c",
-    "src/core/lib/surface/server.c",
-    "src/core/lib/surface/validate_metadata.c",
-    "src/core/lib/surface/version.c",
-    "src/core/lib/transport/byte_stream.c",
-    "src/core/lib/transport/connectivity_state.c",
-    "src/core/lib/transport/metadata.c",
-    "src/core/lib/transport/metadata_batch.c",
-    "src/core/lib/transport/static_metadata.c",
-    "src/core/lib/transport/transport.c",
-    "src/core/lib/transport/transport_op_string.c",
     "src/core/lib/tsi/fake_transport_security.c",
     "src/core/lib/tsi/ssl_transport_security.c",
     "src/core/lib/tsi/transport_security.c",
-    "src/core/plugin_registry/grpc_plugin_registry.c",
+    "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c",
+    "src/core/ext/client_config/channel_connectivity.c",
+    "src/core/ext/client_config/client_channel.c",
+    "src/core/ext/client_config/client_channel_factory.c",
+    "src/core/ext/client_config/client_config.c",
+    "src/core/ext/client_config/client_config_plugin.c",
+    "src/core/ext/client_config/connector.c",
+    "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/initial_connect_string.c",
+    "src/core/ext/client_config/lb_policy.c",
+    "src/core/ext/client_config/lb_policy_factory.c",
+    "src/core/ext/client_config/lb_policy_registry.c",
+    "src/core/ext/client_config/resolver.c",
+    "src/core/ext/client_config/resolver_factory.c",
+    "src/core/ext/client_config/resolver_registry.c",
+    "src/core/ext/client_config/subchannel.c",
+    "src/core/ext/client_config/subchannel_call_holder.c",
+    "src/core/ext/client_config/subchannel_index.c",
+    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
+    "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
+    "src/core/ext/lb_policy/grpclb/load_balancer_api.c",
+    "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c",
     "third_party/nanopb/pb_common.c",
     "third_party/nanopb/pb_decode.c",
     "third_party/nanopb/pb_encode.c",
+    "src/core/ext/lb_policy/pick_first/pick_first.c",
+    "src/core/ext/lb_policy/round_robin/round_robin.c",
+    "src/core/ext/resolver/dns/native/dns_resolver.c",
+    "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
+    "src/core/ext/census/context.c",
+    "src/core/ext/census/grpc_context.c",
+    "src/core/ext/census/grpc_filter.c",
+    "src/core/ext/census/grpc_plugin.c",
+    "src/core/ext/census/initialize.c",
+    "src/core/ext/census/mlog.c",
+    "src/core/ext/census/operation.c",
+    "src/core/ext/census/placeholders.c",
+    "src/core/ext/census/tracing.c",
+    "src/core/plugin_registry/grpc_plugin_registry.c",
     "third_party/zlib/crc32.h",
     "third_party/zlib/deflate.h",
     "third_party/zlib/gzguts.h",
@@ -824,20 +840,6 @@
     "third_party/boringssl/ssl/t1_enc.c",
     "third_party/boringssl/ssl/t1_lib.c",
     "third_party/boringssl/ssl/tls_record.c",
-    "include/grpc/impl/codegen/alloc.h",
-    "include/grpc/impl/codegen/atm.h",
-    "include/grpc/impl/codegen/atm_gcc_atomic.h",
-    "include/grpc/impl/codegen/atm_gcc_sync.h",
-    "include/grpc/impl/codegen/atm_win32.h",
-    "include/grpc/impl/codegen/log.h",
-    "include/grpc/impl/codegen/port_platform.h",
-    "include/grpc/impl/codegen/slice.h",
-    "include/grpc/impl/codegen/slice_buffer.h",
-    "include/grpc/impl/codegen/sync.h",
-    "include/grpc/impl/codegen/sync_generic.h",
-    "include/grpc/impl/codegen/sync_posix.h",
-    "include/grpc/impl/codegen/sync_win32.h",
-    "include/grpc/impl/codegen/time.h",
     "include/grpc/support/alloc.h",
     "include/grpc/support/atm.h",
     "include/grpc/support/atm_gcc_atomic.h",
@@ -866,6 +868,20 @@
     "include/grpc/support/tls_msvc.h",
     "include/grpc/support/tls_pthread.h",
     "include/grpc/support/useful.h",
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
     "src/core/lib/profiling/timers.h",
     "src/core/lib/support/backoff.h",
     "src/core/lib/support/block_annotate.h",
diff --git a/package.xml b/package.xml
index 0bb34d9..2f4c625 100644
--- a/package.xml
+++ b/package.xml
@@ -50,20 +50,6 @@
     <file baseinstalldir="/" name="src/php/ext/grpc/server.h" role="src" />
     <file baseinstalldir="/" name="src/php/ext/grpc/server_credentials.h" role="src" />
     <file baseinstalldir="/" name="src/php/ext/grpc/timeval.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/alloc.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_gcc_atomic.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_gcc_sync.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_win32.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/log.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/port_platform.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/slice.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/slice_buffer.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_generic.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_posix.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_win32.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/impl/codegen/time.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/support/alloc.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/support/atm.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/support/atm_gcc_atomic.h" role="src" />
@@ -92,6 +78,20 @@
     <file baseinstalldir="/" name="include/grpc/support/tls_msvc.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/support/tls_pthread.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/support/useful.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/alloc.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_gcc_atomic.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_gcc_sync.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_win32.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/log.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/port_platform.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/slice.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/slice_buffer.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_generic.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_posix.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_win32.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/time.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/profiling/timers.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/support/backoff.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/support/block_annotate.h" role="src" />
@@ -150,69 +150,39 @@
     <file baseinstalldir="/" name="src/core/lib/support/wrap_memcpy.c" role="src" />
     <file baseinstalldir="/" name="include/grpc/byte_buffer.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/byte_buffer_reader.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/census.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/compression.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/grpc.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/grpc_security.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/status.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/byte_buffer.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/compression_types.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/connectivity_state.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/grpc_types.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/propagation_bits.h" role="src" />
     <file baseinstalldir="/" name="include/grpc/impl/codegen/status.h" role="src" />
-    <file baseinstalldir="/" name="include/grpc/status.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/census/aggregation.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/census/census_interface.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/census/census_rpc_stats.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/census/grpc_filter.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/census/mlog.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/census/rpc_metric_id.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/load_balancer_api.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/alpn.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_encoder.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/chttp2_transport.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_data.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_goaway.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_ping.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_rst_stream.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_settings.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_window_update.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_encoder.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_parser.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_table.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/http2_errors.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/huffsyms.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/incoming_metadata.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/internal.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/status_conversion.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/stream_map.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/timeout_encoding.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/varint.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/alloc.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_gcc_atomic.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_gcc_sync.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/atm_win32.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/log.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/port_platform.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/slice.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/slice_buffer.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_generic.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_posix.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/sync_win32.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/impl/codegen/time.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/grpc_security.h" role="src" />
+    <file baseinstalldir="/" name="include/grpc/census.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/channel_args.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/channel_stack.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/channel_stack_builder.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/channel/client_channel.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/compress_filter.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/connected_channel.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/context.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/http_client_filter.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/channel/http_server_filter.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/channel/subchannel_call_holder.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/client_config.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/connector.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/initial_connect_string.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/lb_policy.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/lb_policy_factory.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/lb_policy_registry.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/resolver.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/resolver_factory.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/resolver_registry.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/subchannel.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/subchannel_factory.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/subchannel_index.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/client_config/uri_parser.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/compression/algorithm_metadata.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/compression/message_compress.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/debug/trace.h" role="src" />
@@ -259,15 +229,6 @@
     <file baseinstalldir="/" name="src/core/lib/json/json_common.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/json/json_reader.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/json/json_writer.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/auth_filters.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/b64.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/credentials.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/handshake.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/json_token.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/jwt_verifier.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/secure_endpoint.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/security_connector.h" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/security/security_context.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/surface/api_trace.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/surface/call.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/surface/call_test_only.h" role="src" />
@@ -287,84 +248,80 @@
     <file baseinstalldir="/" name="src/core/lib/transport/static_metadata.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/transport.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/transport_impl.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_encoder.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/chttp2_transport.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_data.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_goaway.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_ping.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_rst_stream.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_settings.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_window_update.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_encoder.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_parser.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_table.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/http2_errors.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/huffsyms.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/incoming_metadata.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/internal.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/status_conversion.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/stream_map.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/timeout_encoding.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/varint.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/alpn/alpn.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/auth_filters.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/b64.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/credentials.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/handshake.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/json_token.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/jwt_verifier.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/secure_endpoint.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/security_connector.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/security/security_context.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/fake_transport_security.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/ssl_transport_security.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/ssl_types.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/transport_security.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/transport_security_interface.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_channel.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_channel_factory.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_config.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/connector.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/initial_connect_string.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_factory.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_registry.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver_factory.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver_registry.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_call_holder.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_index.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/uri_parser.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/load_balancer_api.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h" role="src" />
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-    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/writing.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/aggregation.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/census_interface.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/census_rpc_stats.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_filter.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/mlog.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/rpc_metric_id.h" role="src" />
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     <file baseinstalldir="/" name="src/core/lib/compression/compression_algorithm.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/compression/message_compress.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/debug/trace.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/http/format_request.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/http/httpcli.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/http/httpcli_security_connector.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/http/parser.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/closure.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/iomgr/endpoint.c" role="src" />
@@ -409,6 +366,56 @@
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     <file baseinstalldir="/" name="src/core/lib/json/json_string.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/json/json_writer.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/alarm.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/api_trace.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/byte_buffer.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/byte_buffer_reader.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/call.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/call_details.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/call_log_batch.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/channel.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/channel_init.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/channel_ping.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/channel_stack_type.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/completion_queue.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/event_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/init.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/lame_client.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/metadata_array.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/server.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/validate_metadata.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/surface/version.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/byte_stream.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/connectivity_state.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/metadata.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/metadata_batch.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/static_metadata.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/transport.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/transport_op_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_encoder.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/chttp2_plugin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/chttp2_transport.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_data.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_goaway.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_ping.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_rst_stream.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_settings.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/frame_window_update.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_encoder.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_parser.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/hpack_table.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/huffsyms.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/incoming_metadata.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/parsing.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/status_conversion.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/stream_lists.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/stream_map.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/timeout_encoding.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/varint.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/writing.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/alpn/alpn.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/http/httpcli_security_connector.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/security/b64.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/security/client_auth_filter.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/security/credentials.c" role="src" />
@@ -423,41 +430,50 @@
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     <file baseinstalldir="/" name="src/core/lib/security/server_auth_filter.c" role="src" />
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-    <file baseinstalldir="/" name="src/core/lib/surface/api_trace.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/byte_buffer.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/byte_buffer_reader.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/call.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/call_details.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/call_log_batch.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/channel.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/channel_connectivity.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/channel_init.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/channel_ping.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/channel_stack_type.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/completion_queue.c" role="src" />
-    <file baseinstalldir="/" name="src/core/lib/surface/event_string.c" role="src" />
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-    <file baseinstalldir="/" name="src/core/lib/surface/metadata_array.c" role="src" />
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-    <file baseinstalldir="/" name="src/core/plugin_registry/grpc_plugin_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/secure/secure_channel_create.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/channel_connectivity.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_channel.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_channel_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_config.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/client_config_plugin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/connector.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/default_initial_connect_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/initial_connect_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/resolver_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_call_holder.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel_index.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/uri_parser.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/server/insecure/server_chttp2.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/insecure/channel_create.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/load_balancer_api.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c" role="src" />
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     <file baseinstalldir="/" name="third_party/nanopb/pb_encode.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/pick_first/pick_first.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/lb_policy/round_robin/round_robin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/resolver/dns/native/dns_resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/resolver/sockaddr/sockaddr_resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/context.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_context.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_filter.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/grpc_plugin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/initialize.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/mlog.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/operation.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/placeholders.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/census/tracing.c" role="src" />
+    <file baseinstalldir="/" name="src/core/plugin_registry/grpc_plugin_registry.c" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/aes/internal.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/asn1/asn1_locl.h" role="src" />
     <file baseinstalldir="/" name="third_party/boringssl/crypto/bio/internal.h" role="src" />
diff --git a/src/compiler/csharp_generator.cc b/src/compiler/csharp_generator.cc
index 5a8746d..69e2738 100644
--- a/src/compiler/csharp_generator.cc
+++ b/src/compiler/csharp_generator.cc
@@ -81,6 +81,10 @@
   return "I" + service->name();
 }
 
+std::string GetServerClassName(const ServiceDescriptor* service) {
+  return service->name() + "Base";
+}
+
 std::string GetCSharpMethodType(MethodType method_type) {
   switch (method_type) {
     case METHODTYPE_NO_STREAMING:
@@ -108,10 +112,14 @@
   return "__Method_" + method->name();
 }
 
-std::string GetMethodRequestParamMaybe(const MethodDescriptor *method) {
+std::string GetMethodRequestParamMaybe(const MethodDescriptor *method,
+                                       bool invocation_param=false) {
   if (method->client_streaming()) {
     return "";
   }
+  if (invocation_param) {
+    return "request, ";
+  }
   return GetClassName(method->input_type()) + " request, ";
 }
 
@@ -242,6 +250,8 @@
 
 void GenerateClientInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("// client interface\n");
+  out->Print("[System.Obsolete(\"Client side interfaced will be removed "
+             "in the next release. Use client class directly.\")]\n");
   out->Print("public interface $name$\n", "name",
              GetClientInterfaceName(service));
   out->Print("{\n");
@@ -290,6 +300,8 @@
 
 void GenerateServerInterface(Printer* out, const ServiceDescriptor *service) {
   out->Print("// server-side interface\n");
+  out->Print("[System.Obsolete(\"Service implementations should inherit"
+      " from the generated abstract base class instead.\")]\n");
   out->Print("public interface $name$\n", "name",
              GetServerInterfaceName(service));
   out->Print("{\n");
@@ -309,21 +321,64 @@
   out->Print("\n");
 }
 
+void GenerateServerClass(Printer* out, const ServiceDescriptor *service) {
+  out->Print("// server-side abstract class\n");
+  out->Print("public abstract class $name$\n", "name",
+             GetServerClassName(service));
+  out->Print("{\n");
+  out->Indent();
+  for (int i = 0; i < service->method_count(); i++) {
+    const MethodDescriptor *method = service->method(i);
+    out->Print(
+        "public virtual $returntype$ $methodname$($request$$response_stream_maybe$, "
+        "ServerCallContext context)\n",
+        "methodname", method->name(), "returntype",
+        GetMethodReturnTypeServer(method), "request",
+        GetMethodRequestParamServer(method), "response_stream_maybe",
+        GetMethodResponseStreamMaybe(method));
+    out->Print("{\n");
+    out->Indent();
+    out->Print("throw new RpcException("
+               "new Status(StatusCode.Unimplemented, \"\"));\n");
+    out->Outdent();
+    out->Print("}\n\n");
+  }
+  out->Outdent();
+  out->Print("}\n");
+  out->Print("\n");
+}
+
 void GenerateClientStub(Printer* out, const ServiceDescriptor *service) {
   out->Print("// client stub\n");
   out->Print(
-      "public class $name$ : ClientBase, $interface$\n",
-      "name", GetClientClassName(service), "interface",
-      GetClientInterfaceName(service));
+      "public class $name$ : ClientBase<$name$>, $interface$\n",
+      "name", GetClientClassName(service),
+      "interface", GetClientInterfaceName(service));
   out->Print("{\n");
   out->Indent();
 
   // constructors
-  out->Print(
-      "public $name$(Channel channel) : base(channel)\n",
-      "name", GetClientClassName(service));
+  out->Print("public $name$(Channel channel) : base(channel)\n",
+             "name", GetClientClassName(service));
   out->Print("{\n");
   out->Print("}\n");
+  out->Print("public $name$(CallInvoker callInvoker) : base(callInvoker)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n");
+  out->Print("///<summary>Protected parameterless constructor to allow creation"
+             " of test doubles.</summary>\n");
+  out->Print("protected $name$() : base()\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n");
+  out->Print("///<summary>Protected constructor to allow creation of configured"
+             " clients.</summary>\n");
+  out->Print("protected $name$(ClientBaseConfiguration configuration)"
+             " : base(configuration)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Print("}\n\n");
 
   for (int i = 0; i < service->method_count(); i++) {
     const MethodDescriptor *method = service->method(i);
@@ -331,30 +386,26 @@
 
     if (method_type == METHODTYPE_NO_STREAMING) {
       // unary calls have an extra synchronous stub method
-      out->Print(
-          "public $response$ $methodname$($request$ request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
+      out->Print("public virtual $response$ $methodname$($request$ request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
           "methodname", method->name(), "request",
           GetClassName(method->input_type()), "response",
           GetClassName(method->output_type()));
       out->Print("{\n");
       out->Indent();
-      out->Print("var call = CreateCall($methodfield$, new CallOptions(headers, deadline, cancellationToken));\n",
-                 "methodfield", GetMethodFieldName(method));
-      out->Print("return Calls.BlockingUnaryCall(call, request);\n");
+      out->Print("return $methodname$(request, new CallOptions(headers, deadline, cancellationToken));\n",
+                 "methodname", method->name());
       out->Outdent();
       out->Print("}\n");
 
       // overload taking CallOptions as a param
-      out->Print(
-                "public $response$ $methodname$($request$ request, CallOptions options)\n",
-                "methodname", method->name(), "request",
-                GetClassName(method->input_type()), "response",
-                GetClassName(method->output_type()));
+      out->Print("public virtual $response$ $methodname$($request$ request, CallOptions options)\n",
+          "methodname", method->name(), "request",
+          GetClassName(method->input_type()), "response",
+          GetClassName(method->output_type()));
       out->Print("{\n");
       out->Indent();
-      out->Print("var call = CreateCall($methodfield$, options);\n",
+      out->Print("return CallInvoker.BlockingUnaryCall($methodfield$, null, options, request);\n",
                  "methodfield", GetMethodFieldName(method));
-      out->Print("return Calls.BlockingUnaryCall(call, request);\n");
       out->Outdent();
       out->Print("}\n");
     }
@@ -364,57 +415,44 @@
       method_name += "Async";  // prevent name clash with synchronous method.
     }
     out->Print(
-        "public $returntype$ $methodname$($request_maybe$Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
-        "methodname", method_name, "request_maybe",
-        GetMethodRequestParamMaybe(method), "returntype",
-        GetMethodReturnTypeClient(method));
+            "public virtual $returntype$ $methodname$($request_maybe$Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))\n",
+            "methodname", method_name, "request_maybe",
+            GetMethodRequestParamMaybe(method), "returntype",
+            GetMethodReturnTypeClient(method));
     out->Print("{\n");
     out->Indent();
-    out->Print("var call = CreateCall($methodfield$, new CallOptions(headers, deadline, cancellationToken));\n",
-               "methodfield", GetMethodFieldName(method));
-    switch (GetMethodType(method)) {
-      case METHODTYPE_NO_STREAMING:
-        out->Print("return Calls.AsyncUnaryCall(call, request);\n");
-        break;
-      case METHODTYPE_CLIENT_STREAMING:
-        out->Print("return Calls.AsyncClientStreamingCall(call);\n");
-        break;
-      case METHODTYPE_SERVER_STREAMING:
-        out->Print(
-            "return Calls.AsyncServerStreamingCall(call, request);\n");
-        break;
-      case METHODTYPE_BIDI_STREAMING:
-        out->Print("return Calls.AsyncDuplexStreamingCall(call);\n");
-        break;
-      default:
-        GOOGLE_LOG(FATAL)<< "Can't get here.";
-    }
+
+    out->Print("return $methodname$($request_maybe$new CallOptions(headers, deadline, cancellationToken));\n",
+               "methodname", method_name,
+               "request_maybe", GetMethodRequestParamMaybe(method, true));
     out->Outdent();
     out->Print("}\n");
 
     // overload taking CallOptions as a param
     out->Print(
-        "public $returntype$ $methodname$($request_maybe$CallOptions options)\n",
+        "public virtual $returntype$ $methodname$($request_maybe$CallOptions options)\n",
         "methodname", method_name, "request_maybe",
         GetMethodRequestParamMaybe(method), "returntype",
         GetMethodReturnTypeClient(method));
     out->Print("{\n");
     out->Indent();
-    out->Print("var call = CreateCall($methodfield$, options);\n",
-               "methodfield", GetMethodFieldName(method));
     switch (GetMethodType(method)) {
       case METHODTYPE_NO_STREAMING:
-        out->Print("return Calls.AsyncUnaryCall(call, request);\n");
+        out->Print("return CallInvoker.AsyncUnaryCall($methodfield$, null, options, request);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_CLIENT_STREAMING:
-        out->Print("return Calls.AsyncClientStreamingCall(call);\n");
+        out->Print("return CallInvoker.AsyncClientStreamingCall($methodfield$, null, options);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_SERVER_STREAMING:
         out->Print(
-            "return Calls.AsyncServerStreamingCall(call, request);\n");
+            "return CallInvoker.AsyncServerStreamingCall($methodfield$, null, options, request);\n",
+            "methodfield", GetMethodFieldName(method));
         break;
       case METHODTYPE_BIDI_STREAMING:
-        out->Print("return Calls.AsyncDuplexStreamingCall(call);\n");
+        out->Print("return CallInvoker.AsyncDuplexStreamingCall($methodfield$, null, options);\n",
+                   "methodfield", GetMethodFieldName(method));
         break;
       default:
         GOOGLE_LOG(FATAL)<< "Can't get here.";
@@ -422,17 +460,30 @@
     out->Outdent();
     out->Print("}\n");
   }
+
+  // override NewInstance method
+  out->Print("protected override $name$ NewInstance(ClientBaseConfiguration configuration)\n",
+             "name", GetClientClassName(service));
+  out->Print("{\n");
+  out->Indent();
+  out->Print("return new $name$(configuration);\n",
+             "name", GetClientClassName(service));
+  out->Outdent();
+  out->Print("}\n");
+
   out->Outdent();
   out->Print("}\n");
   out->Print("\n");
 }
 
-void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service) {
+void GenerateBindServiceMethod(Printer* out, const ServiceDescriptor *service,
+                               bool use_server_class) {
   out->Print(
       "// creates service definition that can be registered with a server\n");
   out->Print(
       "public static ServerServiceDefinition BindService($interface$ serviceImpl)\n",
-      "interface", GetServerInterfaceName(service));
+      "interface", use_server_class ? GetServerClassName(service) :
+          GetServerInterfaceName(service));
   out->Print("{\n");
   out->Indent();
 
@@ -489,8 +540,10 @@
   GenerateServiceDescriptorProperty(out, service);
   GenerateClientInterface(out, service);
   GenerateServerInterface(out, service);
+  GenerateServerClass(out, service);
   GenerateClientStub(out, service);
-  GenerateBindServiceMethod(out, service);
+  GenerateBindServiceMethod(out, service, false);
+  GenerateBindServiceMethod(out, service, true);
   GenerateNewStubMethods(out, service);
 
   out->Outdent();
diff --git a/src/core/ext/census/grpc_plugin.c b/src/core/ext/census/grpc_plugin.c
index 0f15ecb..e43ceaf 100644
--- a/src/core/ext/census/grpc_plugin.c
+++ b/src/core/ext/census/grpc_plugin.c
@@ -32,6 +32,7 @@
  */
 
 #include <limits.h>
+#include <string.h>
 
 #include <grpc/census.h>
 
@@ -39,13 +40,24 @@
 #include "src/core/lib/channel/channel_stack_builder.h"
 #include "src/core/lib/surface/channel_init.h"
 
+static bool is_census_enabled(const grpc_channel_args *a) {
+  size_t i;
+  if (a == NULL) return 0;
+  for (i = 0; i < a->num_args; i++) {
+    if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_CENSUS)) {
+      return a->args[i].value.integer != 0 && census_enabled();
+    }
+  }
+  return census_enabled();
+}
+
 static bool maybe_add_census_filter(grpc_channel_stack_builder *builder,
-                                    void *arg_must_be_null) {
+                                    void *arg) {
   const grpc_channel_args *args =
       grpc_channel_stack_builder_get_channel_arguments(builder);
-  if (grpc_channel_args_is_census_enabled(args)) {
+  if (is_census_enabled(args)) {
     return grpc_channel_stack_builder_prepend_filter(
-        builder, &grpc_client_census_filter, NULL, NULL);
+        builder, (const grpc_channel_filter *)arg, NULL, NULL);
   }
   return true;
 }
@@ -60,9 +72,11 @@
     }
   }
   grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX,
-                                   maybe_add_census_filter, NULL);
+                                   maybe_add_census_filter,
+                                   (void *)&grpc_client_census_filter);
   grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
-                                   maybe_add_census_filter, NULL);
+                                   maybe_add_census_filter,
+                                   (void *)&grpc_server_census_filter);
 }
 
 void census_grpc_plugin_shutdown(void) { census_shutdown(); }
diff --git a/src/core/ext/client_config/README.md b/src/core/ext/client_config/README.md
new file mode 100644
index 0000000..7024fd5
--- /dev/null
+++ b/src/core/ext/client_config/README.md
@@ -0,0 +1,66 @@
+Client Configuration Support for GRPC
+=====================================
+
+This library provides high level configuration machinery to construct client
+channels and load balance between them.
+
+Each grpc_channel is created with a grpc_resolver. It is the resolver's duty
+to resolve a name into configuration data for the channel. Such configuration
+data might include:
+
+- a list of (ip, port) addresses to connect to
+- a load balancing policy to decide which server to send a request to
+- a set of filters to mutate outgoing requests (say, by adding metadata)
+
+The resolver provides this data as a stream of grpc_client_config objects to
+the channel. We represent configuration as a stream so that it can be changed
+by the resolver during execution, by reacting to external events (such as a
+new configuration file being pushed to some store).
+
+
+Load Balancing
+--------------
+
+Load balancing configuration is provided by a grpc_lb_policy object, stored as
+part of grpc_client_config.
+
+The primary job of the load balancing policies is to pick a target server given only the
+initial metadata for a request. It does this by providing a grpc_subchannel
+object to the owning channel.
+
+
+Sub-Channels
+------------
+
+A sub-channel provides a connection to a server for a client channel. It has a
+connectivity state like a regular channel, and so can be connected or
+disconnected. This connectivity state can be used to inform load balancing
+decisions (for example, by avoiding disconnected backends).
+
+Configured sub-channels are fully setup to participate in the grpc data plane.
+Their behavior is specified by a set of grpc channel filters defined at their
+construction. To customize this behavior, resolvers build
+grpc_client_channel_factory objects, which use the decorator pattern to customize
+construction arguments for concrete grpc_subchannel instances.
+
+
+Naming for GRPC
+===============
+
+Names in GRPC are represented by a URI (as defined in
+[RFC 3986](https://tools.ietf.org/html/rfc3986)).
+
+The following schemes are currently supported:
+
+dns:///host:port - dns schemes are currently supported so long as authority is
+                   empty (authority based dns resolution is expected in a future
+                   release)
+
+unix:path        - the unix scheme is used to create and connect to unix domain
+                   sockets - the authority must be empty, and the path
+                   represents the absolute or relative path to the desired
+                   socket
+
+ipv4:host:port   - a pre-resolved ipv4 dotted decimal address/port combination
+
+ipv6:[host]:port - a pre-resolved ipv6 address/port combination
diff --git a/src/core/ext/client_config/channel_connectivity.c b/src/core/ext/client_config/channel_connectivity.c
new file mode 100644
index 0000000..3ebc333
--- /dev/null
+++ b/src/core/ext/client_config/channel_connectivity.c
@@ -0,0 +1,207 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/surface/channel.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/surface/api_trace.h"
+#include "src/core/lib/surface/completion_queue.h"
+
+grpc_connectivity_state grpc_channel_check_connectivity_state(
+    grpc_channel *channel, int try_to_connect) {
+  /* forward through to the underlying client channel */
+  grpc_channel_element *client_channel_elem =
+      grpc_channel_stack_last_element(grpc_channel_get_channel_stack(channel));
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_connectivity_state state;
+  GRPC_API_TRACE(
+      "grpc_channel_check_connectivity_state(channel=%p, try_to_connect=%d)", 2,
+      (channel, try_to_connect));
+  if (client_channel_elem->filter == &grpc_client_channel_filter) {
+    state = grpc_client_channel_check_connectivity_state(
+        &exec_ctx, client_channel_elem, try_to_connect);
+    grpc_exec_ctx_finish(&exec_ctx);
+    return state;
+  }
+  gpr_log(GPR_ERROR,
+          "grpc_channel_check_connectivity_state called on something that is "
+          "not a (u)client channel, but '%s'",
+          client_channel_elem->filter->name);
+  grpc_exec_ctx_finish(&exec_ctx);
+  return GRPC_CHANNEL_FATAL_FAILURE;
+}
+
+typedef enum {
+  WAITING,
+  CALLING_BACK,
+  CALLING_BACK_AND_FINISHED,
+  CALLED_BACK
+} callback_phase;
+
+typedef struct {
+  gpr_mu mu;
+  callback_phase phase;
+  int success;
+  grpc_closure on_complete;
+  grpc_timer alarm;
+  grpc_connectivity_state state;
+  grpc_completion_queue *cq;
+  grpc_cq_completion completion_storage;
+  grpc_channel *channel;
+  void *tag;
+} state_watcher;
+
+static void delete_state_watcher(grpc_exec_ctx *exec_ctx, state_watcher *w) {
+  grpc_channel_element *client_channel_elem = grpc_channel_stack_last_element(
+      grpc_channel_get_channel_stack(w->channel));
+  if (client_channel_elem->filter == &grpc_client_channel_filter) {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, w->channel,
+                                "watch_channel_connectivity");
+  } else {
+    abort();
+  }
+  gpr_mu_destroy(&w->mu);
+  gpr_free(w);
+}
+
+static void finished_completion(grpc_exec_ctx *exec_ctx, void *pw,
+                                grpc_cq_completion *ignored) {
+  int delete = 0;
+  state_watcher *w = pw;
+  gpr_mu_lock(&w->mu);
+  switch (w->phase) {
+    case WAITING:
+    case CALLED_BACK:
+      GPR_UNREACHABLE_CODE(return );
+    case CALLING_BACK:
+      w->phase = CALLED_BACK;
+      break;
+    case CALLING_BACK_AND_FINISHED:
+      delete = 1;
+      break;
+  }
+  gpr_mu_unlock(&w->mu);
+
+  if (delete) {
+    delete_state_watcher(exec_ctx, w);
+  }
+}
+
+static void partly_done(grpc_exec_ctx *exec_ctx, state_watcher *w,
+                        int due_to_completion) {
+  int delete = 0;
+
+  if (due_to_completion) {
+    grpc_timer_cancel(exec_ctx, &w->alarm);
+  }
+
+  gpr_mu_lock(&w->mu);
+  if (due_to_completion) {
+    w->success = 1;
+  }
+  switch (w->phase) {
+    case WAITING:
+      w->phase = CALLING_BACK;
+      grpc_cq_end_op(exec_ctx, w->cq, w->tag, w->success, finished_completion,
+                     w, &w->completion_storage);
+      break;
+    case CALLING_BACK:
+      w->phase = CALLING_BACK_AND_FINISHED;
+      break;
+    case CALLING_BACK_AND_FINISHED:
+      GPR_UNREACHABLE_CODE(return );
+    case CALLED_BACK:
+      delete = 1;
+      break;
+  }
+  gpr_mu_unlock(&w->mu);
+
+  if (delete) {
+    delete_state_watcher(exec_ctx, w);
+  }
+}
+
+static void watch_complete(grpc_exec_ctx *exec_ctx, void *pw, bool success) {
+  partly_done(exec_ctx, pw, 1);
+}
+
+static void timeout_complete(grpc_exec_ctx *exec_ctx, void *pw, bool success) {
+  partly_done(exec_ctx, pw, 0);
+}
+
+void grpc_channel_watch_connectivity_state(
+    grpc_channel *channel, grpc_connectivity_state last_observed_state,
+    gpr_timespec deadline, grpc_completion_queue *cq, void *tag) {
+  grpc_channel_element *client_channel_elem =
+      grpc_channel_stack_last_element(grpc_channel_get_channel_stack(channel));
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  state_watcher *w = gpr_malloc(sizeof(*w));
+
+  GRPC_API_TRACE(
+      "grpc_channel_watch_connectivity_state("
+      "channel=%p, last_observed_state=%d, "
+      "deadline=gpr_timespec { tv_sec: %lld, tv_nsec: %d, clock_type: %d }, "
+      "cq=%p, tag=%p)",
+      7, (channel, (int)last_observed_state, (long long)deadline.tv_sec,
+          (int)deadline.tv_nsec, (int)deadline.clock_type, cq, tag));
+
+  grpc_cq_begin_op(cq, tag);
+
+  gpr_mu_init(&w->mu);
+  grpc_closure_init(&w->on_complete, watch_complete, w);
+  w->phase = WAITING;
+  w->state = last_observed_state;
+  w->success = 0;
+  w->cq = cq;
+  w->tag = tag;
+  w->channel = channel;
+
+  grpc_timer_init(&exec_ctx, &w->alarm,
+                  gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),
+                  timeout_complete, w, gpr_now(GPR_CLOCK_MONOTONIC));
+
+  if (client_channel_elem->filter == &grpc_client_channel_filter) {
+    GRPC_CHANNEL_INTERNAL_REF(channel, "watch_channel_connectivity");
+    grpc_client_channel_watch_connectivity_state(&exec_ctx, client_channel_elem,
+                                                 grpc_cq_pollset(cq), &w->state,
+                                                 &w->on_complete);
+  } else {
+    abort();
+  }
+
+  grpc_exec_ctx_finish(&exec_ctx);
+}
diff --git a/src/core/ext/client_config/client_channel.c b/src/core/ext/client_config/client_channel.c
new file mode 100644
index 0000000..93d54fd
--- /dev/null
+++ b/src/core/ext/client_config/client_channel.c
@@ -0,0 +1,548 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/client_channel.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/ext/client_config/subchannel_call_holder.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/iomgr.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/string.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/transport/connectivity_state.h"
+
+/* Client channel implementation */
+
+typedef grpc_subchannel_call_holder call_data;
+
+typedef struct client_channel_channel_data {
+  /** resolver for this channel */
+  grpc_resolver *resolver;
+  /** have we started resolving this channel */
+  int started_resolving;
+
+  /** mutex protecting client configuration, including all
+      variables below in this data structure */
+  gpr_mu mu_config;
+  /** currently active load balancer - guarded by mu_config */
+  grpc_lb_policy *lb_policy;
+  /** incoming configuration - set by resolver.next
+      guarded by mu_config */
+  grpc_client_config *incoming_configuration;
+  /** a list of closures that are all waiting for config to come in */
+  grpc_closure_list waiting_for_config_closures;
+  /** resolver callback */
+  grpc_closure on_config_changed;
+  /** connectivity state being tracked */
+  grpc_connectivity_state_tracker state_tracker;
+  /** when an lb_policy arrives, should we try to exit idle */
+  int exit_idle_when_lb_policy_arrives;
+  /** owning stack */
+  grpc_channel_stack *owning_stack;
+  /** interested parties (owned) */
+  grpc_pollset_set *interested_parties;
+} channel_data;
+
+/** We create one watcher for each new lb_policy that is returned from a
+   resolver,
+    to watch for state changes from the lb_policy. When a state change is seen,
+   we
+    update the channel, and create a new watcher */
+typedef struct {
+  channel_data *chand;
+  grpc_closure on_changed;
+  grpc_connectivity_state state;
+  grpc_lb_policy *lb_policy;
+} lb_policy_connectivity_watcher;
+
+typedef struct {
+  grpc_closure closure;
+  grpc_call_element *elem;
+} waiting_call;
+
+static char *cc_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
+  return grpc_subchannel_call_holder_get_peer(exec_ctx, elem->call_data);
+}
+
+static void cc_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
+                                         grpc_call_element *elem,
+                                         grpc_transport_stream_op *op) {
+  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
+  grpc_subchannel_call_holder_perform_op(exec_ctx, elem->call_data, op);
+}
+
+static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
+                            grpc_lb_policy *lb_policy,
+                            grpc_connectivity_state current_state);
+
+static void set_channel_connectivity_state_locked(grpc_exec_ctx *exec_ctx,
+                                                  channel_data *chand,
+                                                  grpc_connectivity_state state,
+                                                  const char *reason) {
+  if ((state == GRPC_CHANNEL_TRANSIENT_FAILURE ||
+       state == GRPC_CHANNEL_FATAL_FAILURE) &&
+      chand->lb_policy != NULL) {
+    /* cancel fail-fast picks */
+    grpc_lb_policy_cancel_picks(
+        exec_ctx, chand->lb_policy,
+        /* mask= */ GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY,
+        /* check= */ 0);
+  }
+  grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state, reason);
+}
+
+static void on_lb_policy_state_changed_locked(
+    grpc_exec_ctx *exec_ctx, lb_policy_connectivity_watcher *w) {
+  grpc_connectivity_state publish_state = w->state;
+  /* check if the notification is for a stale policy */
+  if (w->lb_policy != w->chand->lb_policy) return;
+
+  if (publish_state == GRPC_CHANNEL_FATAL_FAILURE &&
+      w->chand->resolver != NULL) {
+    publish_state = GRPC_CHANNEL_TRANSIENT_FAILURE;
+    grpc_resolver_channel_saw_error(exec_ctx, w->chand->resolver);
+    GRPC_LB_POLICY_UNREF(exec_ctx, w->chand->lb_policy, "channel");
+    w->chand->lb_policy = NULL;
+  }
+  set_channel_connectivity_state_locked(exec_ctx, w->chand, publish_state,
+                                        "lb_changed");
+  if (w->state != GRPC_CHANNEL_FATAL_FAILURE) {
+    watch_lb_policy(exec_ctx, w->chand, w->lb_policy, w->state);
+  }
+}
+
+static void on_lb_policy_state_changed(grpc_exec_ctx *exec_ctx, void *arg,
+                                       bool iomgr_success) {
+  lb_policy_connectivity_watcher *w = arg;
+
+  gpr_mu_lock(&w->chand->mu_config);
+  on_lb_policy_state_changed_locked(exec_ctx, w);
+  gpr_mu_unlock(&w->chand->mu_config);
+
+  GRPC_CHANNEL_STACK_UNREF(exec_ctx, w->chand->owning_stack, "watch_lb_policy");
+  gpr_free(w);
+}
+
+static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
+                            grpc_lb_policy *lb_policy,
+                            grpc_connectivity_state current_state) {
+  lb_policy_connectivity_watcher *w = gpr_malloc(sizeof(*w));
+  GRPC_CHANNEL_STACK_REF(chand->owning_stack, "watch_lb_policy");
+
+  w->chand = chand;
+  grpc_closure_init(&w->on_changed, on_lb_policy_state_changed, w);
+  w->state = current_state;
+  w->lb_policy = lb_policy;
+  grpc_lb_policy_notify_on_state_change(exec_ctx, lb_policy, &w->state,
+                                        &w->on_changed);
+}
+
+static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
+                                 bool iomgr_success) {
+  channel_data *chand = arg;
+  grpc_lb_policy *lb_policy = NULL;
+  grpc_lb_policy *old_lb_policy;
+  grpc_connectivity_state state = GRPC_CHANNEL_TRANSIENT_FAILURE;
+  int exit_idle = 0;
+
+  if (chand->incoming_configuration != NULL) {
+    lb_policy = grpc_client_config_get_lb_policy(chand->incoming_configuration);
+    if (lb_policy != NULL) {
+      GRPC_LB_POLICY_REF(lb_policy, "channel");
+      GRPC_LB_POLICY_REF(lb_policy, "config_change");
+      state = grpc_lb_policy_check_connectivity(exec_ctx, lb_policy);
+    }
+
+    grpc_client_config_unref(exec_ctx, chand->incoming_configuration);
+  }
+
+  chand->incoming_configuration = NULL;
+
+  if (lb_policy != NULL) {
+    grpc_pollset_set_add_pollset_set(exec_ctx, lb_policy->interested_parties,
+                                     chand->interested_parties);
+  }
+
+  gpr_mu_lock(&chand->mu_config);
+  old_lb_policy = chand->lb_policy;
+  chand->lb_policy = lb_policy;
+  if (lb_policy != NULL || chand->resolver == NULL /* disconnected */) {
+    grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures,
+                               NULL);
+  }
+  if (lb_policy != NULL && chand->exit_idle_when_lb_policy_arrives) {
+    GRPC_LB_POLICY_REF(lb_policy, "exit_idle");
+    exit_idle = 1;
+    chand->exit_idle_when_lb_policy_arrives = 0;
+  }
+
+  if (iomgr_success && chand->resolver) {
+    set_channel_connectivity_state_locked(exec_ctx, chand, state,
+                                          "new_lb+resolver");
+    if (lb_policy != NULL) {
+      watch_lb_policy(exec_ctx, chand, lb_policy, state);
+    }
+    GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
+    grpc_resolver_next(exec_ctx, chand->resolver,
+                       &chand->incoming_configuration,
+                       &chand->on_config_changed);
+    gpr_mu_unlock(&chand->mu_config);
+  } else {
+    if (chand->resolver != NULL) {
+      grpc_resolver_shutdown(exec_ctx, chand->resolver);
+      GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
+      chand->resolver = NULL;
+    }
+    set_channel_connectivity_state_locked(
+        exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
+    gpr_mu_unlock(&chand->mu_config);
+  }
+
+  if (exit_idle) {
+    grpc_lb_policy_exit_idle(exec_ctx, lb_policy);
+    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "exit_idle");
+  }
+
+  if (old_lb_policy != NULL) {
+    grpc_pollset_set_del_pollset_set(
+        exec_ctx, old_lb_policy->interested_parties, chand->interested_parties);
+    GRPC_LB_POLICY_UNREF(exec_ctx, old_lb_policy, "channel");
+  }
+
+  if (lb_policy != NULL) {
+    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "config_change");
+  }
+
+  GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->owning_stack, "resolver");
+}
+
+static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
+                                  grpc_channel_element *elem,
+                                  grpc_transport_op *op) {
+  channel_data *chand = elem->channel_data;
+
+  grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, true, NULL);
+
+  GPR_ASSERT(op->set_accept_stream == false);
+  if (op->bind_pollset != NULL) {
+    grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties,
+                                 op->bind_pollset);
+  }
+
+  gpr_mu_lock(&chand->mu_config);
+  if (op->on_connectivity_state_change != NULL) {
+    grpc_connectivity_state_notify_on_state_change(
+        exec_ctx, &chand->state_tracker, op->connectivity_state,
+        op->on_connectivity_state_change);
+    op->on_connectivity_state_change = NULL;
+    op->connectivity_state = NULL;
+  }
+
+  if (op->send_ping != NULL) {
+    if (chand->lb_policy == NULL) {
+      grpc_exec_ctx_enqueue(exec_ctx, op->send_ping, false, NULL);
+    } else {
+      grpc_lb_policy_ping_one(exec_ctx, chand->lb_policy, op->send_ping);
+      op->bind_pollset = NULL;
+    }
+    op->send_ping = NULL;
+  }
+
+  if (op->disconnect && chand->resolver != NULL) {
+    set_channel_connectivity_state_locked(
+        exec_ctx, chand, GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
+    grpc_resolver_shutdown(exec_ctx, chand->resolver);
+    GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
+    chand->resolver = NULL;
+    if (chand->lb_policy != NULL) {
+      grpc_pollset_set_del_pollset_set(exec_ctx,
+                                       chand->lb_policy->interested_parties,
+                                       chand->interested_parties);
+      GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
+      chand->lb_policy = NULL;
+    }
+  }
+  gpr_mu_unlock(&chand->mu_config);
+}
+
+typedef struct {
+  grpc_metadata_batch *initial_metadata;
+  uint32_t initial_metadata_flags;
+  grpc_connected_subchannel **connected_subchannel;
+  grpc_closure *on_ready;
+  grpc_call_element *elem;
+  grpc_closure closure;
+} continue_picking_args;
+
+static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
+                              grpc_metadata_batch *initial_metadata,
+                              uint32_t initial_metadata_flags,
+                              grpc_connected_subchannel **connected_subchannel,
+                              grpc_closure *on_ready);
+
+static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  continue_picking_args *cpa = arg;
+  if (!success) {
+    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, false, NULL);
+  } else if (cpa->connected_subchannel == NULL) {
+    /* cancelled, do nothing */
+  } else if (cc_pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
+                                cpa->initial_metadata_flags,
+                                cpa->connected_subchannel, cpa->on_ready)) {
+    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, true, NULL);
+  }
+  gpr_free(cpa);
+}
+
+static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
+                              grpc_metadata_batch *initial_metadata,
+                              uint32_t initial_metadata_flags,
+                              grpc_connected_subchannel **connected_subchannel,
+                              grpc_closure *on_ready) {
+  grpc_call_element *elem = elemp;
+  channel_data *chand = elem->channel_data;
+  call_data *calld = elem->call_data;
+  continue_picking_args *cpa;
+  grpc_closure *closure;
+
+  GPR_ASSERT(connected_subchannel);
+
+  gpr_mu_lock(&chand->mu_config);
+  if (initial_metadata == NULL) {
+    if (chand->lb_policy != NULL) {
+      grpc_lb_policy_cancel_pick(exec_ctx, chand->lb_policy,
+                                 connected_subchannel);
+    }
+    for (closure = chand->waiting_for_config_closures.head; closure != NULL;
+         closure = grpc_closure_next(closure)) {
+      cpa = closure->cb_arg;
+      if (cpa->connected_subchannel == connected_subchannel) {
+        cpa->connected_subchannel = NULL;
+        grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, false, NULL);
+      }
+    }
+    gpr_mu_unlock(&chand->mu_config);
+    return 1;
+  }
+  if (chand->lb_policy != NULL) {
+    grpc_lb_policy *lb_policy = chand->lb_policy;
+    int r;
+    GRPC_LB_POLICY_REF(lb_policy, "cc_pick_subchannel");
+    gpr_mu_unlock(&chand->mu_config);
+    r = grpc_lb_policy_pick(exec_ctx, lb_policy, calld->pollset,
+                            initial_metadata, initial_metadata_flags,
+                            connected_subchannel, on_ready);
+    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "cc_pick_subchannel");
+    return r;
+  }
+  if (chand->resolver != NULL && !chand->started_resolving) {
+    chand->started_resolving = 1;
+    GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
+    grpc_resolver_next(exec_ctx, chand->resolver,
+                       &chand->incoming_configuration,
+                       &chand->on_config_changed);
+  }
+  cpa = gpr_malloc(sizeof(*cpa));
+  cpa->initial_metadata = initial_metadata;
+  cpa->initial_metadata_flags = initial_metadata_flags;
+  cpa->connected_subchannel = connected_subchannel;
+  cpa->on_ready = on_ready;
+  cpa->elem = elem;
+  grpc_closure_init(&cpa->closure, continue_picking, cpa);
+  grpc_closure_list_add(&chand->waiting_for_config_closures, &cpa->closure, 1);
+  gpr_mu_unlock(&chand->mu_config);
+  return 0;
+}
+
+/* Constructor for call_data */
+static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           grpc_call_element_args *args) {
+  grpc_subchannel_call_holder_init(elem->call_data, cc_pick_subchannel, elem,
+                                   args->call_stack);
+}
+
+/* Destructor for call_data */
+static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_call_element *elem) {
+  grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
+}
+
+/* Constructor for channel_data */
+static void init_channel_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
+  channel_data *chand = elem->channel_data;
+
+  memset(chand, 0, sizeof(*chand));
+
+  GPR_ASSERT(args->is_last);
+  GPR_ASSERT(elem->filter == &grpc_client_channel_filter);
+
+  gpr_mu_init(&chand->mu_config);
+  grpc_closure_init(&chand->on_config_changed, cc_on_config_changed, chand);
+  chand->owning_stack = args->channel_stack;
+
+  grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE,
+                               "client_channel");
+  chand->interested_parties = grpc_pollset_set_create();
+}
+
+/* Destructor for channel_data */
+static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
+                                 grpc_channel_element *elem) {
+  channel_data *chand = elem->channel_data;
+
+  if (chand->resolver != NULL) {
+    grpc_resolver_shutdown(exec_ctx, chand->resolver);
+    GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
+  }
+  if (chand->lb_policy != NULL) {
+    grpc_pollset_set_del_pollset_set(exec_ctx,
+                                     chand->lb_policy->interested_parties,
+                                     chand->interested_parties);
+    GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
+  }
+  grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker);
+  grpc_pollset_set_destroy(chand->interested_parties);
+  gpr_mu_destroy(&chand->mu_config);
+}
+
+static void cc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           grpc_pollset *pollset) {
+  call_data *calld = elem->call_data;
+  calld->pollset = pollset;
+}
+
+const grpc_channel_filter grpc_client_channel_filter = {
+    cc_start_transport_stream_op,
+    cc_start_transport_op,
+    sizeof(call_data),
+    init_call_elem,
+    cc_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    cc_get_peer,
+    "client-channel",
+};
+
+void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
+                                      grpc_channel_stack *channel_stack,
+                                      grpc_resolver *resolver) {
+  /* post construction initialization: set the transport setup pointer */
+  grpc_channel_element *elem = grpc_channel_stack_last_element(channel_stack);
+  channel_data *chand = elem->channel_data;
+  gpr_mu_lock(&chand->mu_config);
+  GPR_ASSERT(!chand->resolver);
+  chand->resolver = resolver;
+  GRPC_RESOLVER_REF(resolver, "channel");
+  if (!grpc_closure_list_empty(chand->waiting_for_config_closures) ||
+      chand->exit_idle_when_lb_policy_arrives) {
+    chand->started_resolving = 1;
+    GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
+    grpc_resolver_next(exec_ctx, resolver, &chand->incoming_configuration,
+                       &chand->on_config_changed);
+  }
+  gpr_mu_unlock(&chand->mu_config);
+}
+
+grpc_connectivity_state grpc_client_channel_check_connectivity_state(
+    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect) {
+  channel_data *chand = elem->channel_data;
+  grpc_connectivity_state out;
+  gpr_mu_lock(&chand->mu_config);
+  out = grpc_connectivity_state_check(&chand->state_tracker);
+  if (out == GRPC_CHANNEL_IDLE && try_to_connect) {
+    if (chand->lb_policy != NULL) {
+      grpc_lb_policy_exit_idle(exec_ctx, chand->lb_policy);
+    } else {
+      chand->exit_idle_when_lb_policy_arrives = 1;
+      if (!chand->started_resolving && chand->resolver != NULL) {
+        GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
+        chand->started_resolving = 1;
+        grpc_resolver_next(exec_ctx, chand->resolver,
+                           &chand->incoming_configuration,
+                           &chand->on_config_changed);
+      }
+    }
+  }
+  gpr_mu_unlock(&chand->mu_config);
+  return out;
+}
+
+typedef struct {
+  channel_data *chand;
+  grpc_pollset *pollset;
+  grpc_closure *on_complete;
+  grpc_closure my_closure;
+} external_connectivity_watcher;
+
+static void on_external_watch_complete(grpc_exec_ctx *exec_ctx, void *arg,
+                                       bool iomgr_success) {
+  external_connectivity_watcher *w = arg;
+  grpc_closure *follow_up = w->on_complete;
+  grpc_pollset_set_del_pollset(exec_ctx, w->chand->interested_parties,
+                               w->pollset);
+  GRPC_CHANNEL_STACK_UNREF(exec_ctx, w->chand->owning_stack,
+                           "external_connectivity_watcher");
+  gpr_free(w);
+  follow_up->cb(exec_ctx, follow_up->cb_arg, iomgr_success);
+}
+
+void grpc_client_channel_watch_connectivity_state(
+    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
+    grpc_connectivity_state *state, grpc_closure *on_complete) {
+  channel_data *chand = elem->channel_data;
+  external_connectivity_watcher *w = gpr_malloc(sizeof(*w));
+  w->chand = chand;
+  w->pollset = pollset;
+  w->on_complete = on_complete;
+  grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties, pollset);
+  grpc_closure_init(&w->my_closure, on_external_watch_complete, w);
+  GRPC_CHANNEL_STACK_REF(w->chand->owning_stack,
+                         "external_connectivity_watcher");
+  gpr_mu_lock(&chand->mu_config);
+  grpc_connectivity_state_notify_on_state_change(
+      exec_ctx, &chand->state_tracker, state, &w->my_closure);
+  gpr_mu_unlock(&chand->mu_config);
+}
diff --git a/src/core/ext/client_config/client_channel.h b/src/core/ext/client_config/client_channel.h
new file mode 100644
index 0000000..1e47ad3
--- /dev/null
+++ b/src/core/ext/client_config/client_channel.h
@@ -0,0 +1,63 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
+
+#include "src/core/ext/client_config/resolver.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+/* A client channel is a channel that begins disconnected, and can connect
+   to some endpoint on demand. If that endpoint disconnects, it will be
+   connected to again later.
+
+   Calls on a disconnected client channel are queued until a connection is
+   established. */
+
+extern const grpc_channel_filter grpc_client_channel_filter;
+
+/* post-construction initializer to let the client channel know which
+   transport setup it should cancel upon destruction, or initiate when it needs
+   a connection */
+void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
+                                      grpc_channel_stack *channel_stack,
+                                      grpc_resolver *resolver);
+
+grpc_connectivity_state grpc_client_channel_check_connectivity_state(
+    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);
+
+void grpc_client_channel_watch_connectivity_state(
+    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
+    grpc_connectivity_state *state, grpc_closure *on_complete);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H */
diff --git a/src/core/ext/client_config/client_channel_factory.c b/src/core/ext/client_config/client_channel_factory.c
new file mode 100644
index 0000000..71c64c0
--- /dev/null
+++ b/src/core/ext/client_config/client_channel_factory.c
@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/client_channel_factory.h"
+
+void grpc_client_channel_factory_ref(grpc_client_channel_factory* factory) {
+  factory->vtable->ref(factory);
+}
+
+void grpc_client_channel_factory_unref(grpc_exec_ctx* exec_ctx,
+                                       grpc_client_channel_factory* factory) {
+  factory->vtable->unref(exec_ctx, factory);
+}
+
+grpc_subchannel* grpc_client_channel_factory_create_subchannel(
+    grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
+    grpc_subchannel_args* args) {
+  return factory->vtable->create_subchannel(exec_ctx, factory, args);
+}
+
+grpc_channel* grpc_client_channel_factory_create_channel(
+    grpc_exec_ctx* exec_ctx, grpc_client_channel_factory* factory,
+    const char* target, grpc_client_channel_type type,
+    grpc_channel_args* args) {
+  return factory->vtable->create_client_channel(exec_ctx, factory, target, type,
+                                                args);
+}
diff --git a/src/core/ext/client_config/client_channel_factory.h b/src/core/ext/client_config/client_channel_factory.h
new file mode 100644
index 0000000..1241b9b
--- /dev/null
+++ b/src/core/ext/client_config/client_channel_factory.h
@@ -0,0 +1,85 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+
+#include <grpc/impl/codegen/grpc_types.h>
+
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+typedef struct grpc_client_channel_factory grpc_client_channel_factory;
+typedef struct grpc_client_channel_factory_vtable
+    grpc_client_channel_factory_vtable;
+
+typedef enum {
+  GRPC_CLIENT_CHANNEL_TYPE_REGULAR, /** for the user-level regular calls */
+  GRPC_CLIENT_CHANNEL_TYPE_LOAD_BALANCING, /** for communication with a load
+                                              balancing service */
+} grpc_client_channel_type;
+
+/** Constructor for new configured channels.
+    Creating decorators around this type is encouraged to adapt behavior. */
+struct grpc_client_channel_factory {
+  const grpc_client_channel_factory_vtable *vtable;
+};
+
+struct grpc_client_channel_factory_vtable {
+  void (*ref)(grpc_client_channel_factory *factory);
+  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory);
+  grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx,
+                                        grpc_client_channel_factory *factory,
+                                        grpc_subchannel_args *args);
+  grpc_channel *(*create_client_channel)(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *factory,
+                                         const char *target,
+                                         grpc_client_channel_type type,
+                                         grpc_channel_args *args);
+};
+
+void grpc_client_channel_factory_ref(grpc_client_channel_factory *factory);
+void grpc_client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                       grpc_client_channel_factory *factory);
+
+/** Create a new grpc_subchannel */
+grpc_subchannel *grpc_client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    grpc_subchannel_args *args);
+
+/** Create a new grpc_channel */
+grpc_channel *grpc_client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
+    const char *target, grpc_client_channel_type type, grpc_channel_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H */
diff --git a/src/core/ext/client_config/client_config.c b/src/core/ext/client_config/client_config.c
new file mode 100644
index 0000000..f9b8e68
--- /dev/null
+++ b/src/core/ext/client_config/client_config.c
@@ -0,0 +1,74 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/client_config.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+struct grpc_client_config {
+  gpr_refcount refs;
+  grpc_lb_policy *lb_policy;
+};
+
+grpc_client_config *grpc_client_config_create() {
+  grpc_client_config *c = gpr_malloc(sizeof(*c));
+  memset(c, 0, sizeof(*c));
+  gpr_ref_init(&c->refs, 1);
+  return c;
+}
+
+void grpc_client_config_ref(grpc_client_config *c) { gpr_ref(&c->refs); }
+
+void grpc_client_config_unref(grpc_exec_ctx *exec_ctx, grpc_client_config *c) {
+  if (gpr_unref(&c->refs)) {
+    if (c->lb_policy != NULL) {
+      GRPC_LB_POLICY_UNREF(exec_ctx, c->lb_policy, "client_config");
+    }
+    gpr_free(c);
+  }
+}
+
+void grpc_client_config_set_lb_policy(grpc_client_config *c,
+                                      grpc_lb_policy *lb_policy) {
+  GPR_ASSERT(c->lb_policy == NULL);
+  if (lb_policy) {
+    GRPC_LB_POLICY_REF(lb_policy, "client_config");
+  }
+  c->lb_policy = lb_policy;
+}
+
+grpc_lb_policy *grpc_client_config_get_lb_policy(grpc_client_config *c) {
+  return c->lb_policy;
+}
diff --git a/src/core/ext/client_config/client_config.h b/src/core/ext/client_config/client_config.h
new file mode 100644
index 0000000..a6290cb
--- /dev/null
+++ b/src/core/ext/client_config/client_config.h
@@ -0,0 +1,53 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H
+
+#include "src/core/ext/client_config/lb_policy.h"
+
+/** Total configuration for a client. Provided, and updated, by
+    grpc_resolver */
+typedef struct grpc_client_config grpc_client_config;
+
+grpc_client_config *grpc_client_config_create();
+void grpc_client_config_ref(grpc_client_config *client_config);
+void grpc_client_config_unref(grpc_exec_ctx *exec_ctx,
+                              grpc_client_config *client_config);
+
+void grpc_client_config_set_lb_policy(grpc_client_config *client_config,
+                                      grpc_lb_policy *lb_policy);
+grpc_lb_policy *grpc_client_config_get_lb_policy(
+    grpc_client_config *client_config);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CONFIG_H */
diff --git a/src/core/ext/client_config/client_config_plugin.c b/src/core/ext/client_config/client_config_plugin.c
new file mode 100644
index 0000000..5e31613
--- /dev/null
+++ b/src/core/ext/client_config/client_config_plugin.c
@@ -0,0 +1,95 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <limits.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/surface/channel_init.h"
+
+#ifndef GRPC_DEFAULT_NAME_PREFIX
+#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
+#endif
+
+static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
+  return grpc_channel_stack_builder_append_filter(
+      builder, (const grpc_channel_filter *)arg, NULL, NULL);
+}
+
+static bool set_default_host_if_unset(grpc_channel_stack_builder *builder,
+                                      void *unused) {
+  const grpc_channel_args *args =
+      grpc_channel_stack_builder_get_channel_arguments(builder);
+  for (size_t i = 0; i < args->num_args; i++) {
+    if (0 == strcmp(args->args[i].key, GRPC_ARG_DEFAULT_AUTHORITY) ||
+        0 == strcmp(args->args[i].key, GRPC_SSL_TARGET_NAME_OVERRIDE_ARG)) {
+      return true;
+    }
+  }
+  char *default_authority = grpc_get_default_authority(
+      grpc_channel_stack_builder_get_target(builder));
+  if (default_authority != NULL) {
+    grpc_arg arg;
+    arg.type = GRPC_ARG_STRING;
+    arg.key = GRPC_ARG_DEFAULT_AUTHORITY;
+    arg.value.string = default_authority;
+    grpc_channel_args *new_args = grpc_channel_args_copy_and_add(args, &arg, 1);
+    grpc_channel_stack_builder_set_channel_arguments(builder, new_args);
+    gpr_free(default_authority);
+    grpc_channel_args_destroy(new_args);
+  }
+  return true;
+}
+
+void grpc_client_config_init(void) {
+  grpc_lb_policy_registry_init();
+  grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
+  grpc_subchannel_index_init();
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MIN,
+                                   set_default_host_if_unset, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, append_filter,
+                                   (void *)&grpc_client_channel_filter);
+}
+
+void grpc_client_config_shutdown(void) {
+  grpc_subchannel_index_shutdown();
+  grpc_channel_init_shutdown();
+  grpc_resolver_registry_shutdown();
+  grpc_lb_policy_registry_shutdown();
+}
diff --git a/src/core/ext/client_config/connector.c b/src/core/ext/client_config/connector.c
new file mode 100644
index 0000000..5b629ed
--- /dev/null
+++ b/src/core/ext/client_config/connector.c
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/connector.h"
+
+grpc_connector* grpc_connector_ref(grpc_connector* connector) {
+  connector->vtable->ref(connector);
+  return connector;
+}
+
+void grpc_connector_unref(grpc_exec_ctx* exec_ctx, grpc_connector* connector) {
+  connector->vtable->unref(exec_ctx, connector);
+}
+
+void grpc_connector_connect(grpc_exec_ctx* exec_ctx, grpc_connector* connector,
+                            const grpc_connect_in_args* in_args,
+                            grpc_connect_out_args* out_args,
+                            grpc_closure* notify) {
+  connector->vtable->connect(exec_ctx, connector, in_args, out_args, notify);
+}
+
+void grpc_connector_shutdown(grpc_exec_ctx* exec_ctx,
+                             grpc_connector* connector) {
+  connector->vtable->shutdown(exec_ctx, connector);
+}
diff --git a/src/core/ext/client_config/connector.h b/src/core/ext/client_config/connector.h
new file mode 100644
index 0000000..dd85dfc
--- /dev/null
+++ b/src/core/ext/client_config/connector.h
@@ -0,0 +1,92 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
+
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/transport/transport.h"
+
+typedef struct grpc_connector grpc_connector;
+typedef struct grpc_connector_vtable grpc_connector_vtable;
+
+struct grpc_connector {
+  const grpc_connector_vtable *vtable;
+};
+
+typedef struct {
+  /** set of pollsets interested in this connection */
+  grpc_pollset_set *interested_parties;
+  /** address to connect to */
+  const struct sockaddr *addr;
+  size_t addr_len;
+  /** initial connect string to send */
+  gpr_slice initial_connect_string;
+  /** deadline for connection */
+  gpr_timespec deadline;
+  /** channel arguments (to be passed to transport) */
+  const grpc_channel_args *channel_args;
+} grpc_connect_in_args;
+
+typedef struct {
+  /** the connected transport */
+  grpc_transport *transport;
+
+  /** channel arguments (to be passed to the filters) */
+  const grpc_channel_args *channel_args;
+} grpc_connect_out_args;
+
+struct grpc_connector_vtable {
+  void (*ref)(grpc_connector *connector);
+  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_connector *connector);
+  /** Implementation of grpc_connector_shutdown */
+  void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_connector *connector);
+  /** Implementation of grpc_connector_connect */
+  void (*connect)(grpc_exec_ctx *exec_ctx, grpc_connector *connector,
+                  const grpc_connect_in_args *in_args,
+                  grpc_connect_out_args *out_args, grpc_closure *notify);
+};
+
+grpc_connector *grpc_connector_ref(grpc_connector *connector);
+void grpc_connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *connector);
+/** Connect using the connector: max one outstanding call at a time */
+void grpc_connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *connector,
+                            const grpc_connect_in_args *in_args,
+                            grpc_connect_out_args *out_args,
+                            grpc_closure *notify);
+/** Cancel any pending connection */
+void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx,
+                             grpc_connector *connector);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H */
diff --git a/src/core/lib/client_config/default_initial_connect_string.c b/src/core/ext/client_config/default_initial_connect_string.c
similarity index 100%
rename from src/core/lib/client_config/default_initial_connect_string.c
rename to src/core/ext/client_config/default_initial_connect_string.c
diff --git a/src/core/ext/client_config/initial_connect_string.c b/src/core/ext/client_config/initial_connect_string.c
new file mode 100644
index 0000000..41580d2
--- /dev/null
+++ b/src/core/ext/client_config/initial_connect_string.c
@@ -0,0 +1,53 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/initial_connect_string.h"
+
+#include <stddef.h>
+
+extern void grpc_set_default_initial_connect_string(struct sockaddr **addr,
+                                                    size_t *addr_len,
+                                                    gpr_slice *initial_str);
+
+static grpc_set_initial_connect_string_func g_set_initial_connect_string_func =
+    grpc_set_default_initial_connect_string;
+
+void grpc_test_set_initial_connect_string_function(
+    grpc_set_initial_connect_string_func func) {
+  g_set_initial_connect_string_func = func;
+}
+
+void grpc_set_initial_connect_string(struct sockaddr **addr, size_t *addr_len,
+                                     gpr_slice *initial_str) {
+  g_set_initial_connect_string_func(addr, addr_len, initial_str);
+}
diff --git a/src/core/ext/client_config/initial_connect_string.h b/src/core/ext/client_config/initial_connect_string.h
new file mode 100644
index 0000000..06f0767
--- /dev/null
+++ b/src/core/ext/client_config/initial_connect_string.h
@@ -0,0 +1,50 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+
+#include <grpc/support/slice.h>
+#include "src/core/lib/iomgr/sockaddr.h"
+
+typedef void (*grpc_set_initial_connect_string_func)(struct sockaddr **addr,
+                                                     size_t *addr_len,
+                                                     gpr_slice *initial_str);
+void grpc_test_set_initial_connect_string_function(
+    grpc_set_initial_connect_string_func func);
+
+/** Set a string to be sent once connected. Optionally reset addr. */
+void grpc_set_initial_connect_string(struct sockaddr **addr, size_t *addr_len,
+                                     gpr_slice *connect_string);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H */
diff --git a/src/core/ext/client_config/lb_policy.c b/src/core/ext/client_config/lb_policy.c
new file mode 100644
index 0000000..a7ad984
--- /dev/null
+++ b/src/core/ext/client_config/lb_policy.c
@@ -0,0 +1,143 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/lb_policy.h"
+
+#define WEAK_REF_BITS 16
+
+void grpc_lb_policy_init(grpc_lb_policy *policy,
+                         const grpc_lb_policy_vtable *vtable) {
+  policy->vtable = vtable;
+  gpr_atm_no_barrier_store(&policy->ref_pair, 1 << WEAK_REF_BITS);
+  policy->interested_parties = grpc_pollset_set_create();
+}
+
+#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
+#define REF_FUNC_EXTRA_ARGS , const char *file, int line, const char *reason
+#define REF_MUTATE_EXTRA_ARGS REF_FUNC_EXTRA_ARGS, const char *purpose
+#define REF_FUNC_PASS_ARGS(new_reason) , file, line, new_reason
+#define REF_MUTATE_PASS_ARGS(purpose) , file, line, reason, purpose
+#else
+#define REF_FUNC_EXTRA_ARGS
+#define REF_MUTATE_EXTRA_ARGS
+#define REF_FUNC_PASS_ARGS(new_reason)
+#define REF_MUTATE_PASS_ARGS(x)
+#endif
+
+static gpr_atm ref_mutate(grpc_lb_policy *c, gpr_atm delta,
+                          int barrier REF_MUTATE_EXTRA_ARGS) {
+  gpr_atm old_val = barrier ? gpr_atm_full_fetch_add(&c->ref_pair, delta)
+                            : gpr_atm_no_barrier_fetch_add(&c->ref_pair, delta);
+#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+          "LB_POLICY: %p % 12s 0x%08x -> 0x%08x [%s]", c, purpose, old_val,
+          old_val + delta, reason);
+#endif
+  return old_val;
+}
+
+void grpc_lb_policy_ref(grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
+  ref_mutate(policy, 1 << WEAK_REF_BITS, 0 REF_MUTATE_PASS_ARGS("STRONG_REF"));
+}
+
+void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx,
+                          grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
+  gpr_atm old_val =
+      ref_mutate(policy, (gpr_atm)1 - (gpr_atm)(1 << WEAK_REF_BITS),
+                 1 REF_MUTATE_PASS_ARGS("STRONG_UNREF"));
+  gpr_atm mask = ~(gpr_atm)((1 << WEAK_REF_BITS) - 1);
+  gpr_atm check = 1 << WEAK_REF_BITS;
+  if ((old_val & mask) == check) {
+    policy->vtable->shutdown(exec_ctx, policy);
+  }
+  grpc_lb_policy_weak_unref(exec_ctx,
+                            policy REF_FUNC_PASS_ARGS("strong-unref"));
+}
+
+void grpc_lb_policy_weak_ref(grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
+  ref_mutate(policy, 1, 0 REF_MUTATE_PASS_ARGS("WEAK_REF"));
+}
+
+void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx,
+                               grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
+  gpr_atm old_val =
+      ref_mutate(policy, -(gpr_atm)1, 1 REF_MUTATE_PASS_ARGS("WEAK_UNREF"));
+  if (old_val == 1) {
+    grpc_pollset_set_destroy(policy->interested_parties);
+    policy->vtable->destroy(exec_ctx, policy);
+  }
+}
+
+int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                        grpc_pollset *pollset,
+                        grpc_metadata_batch *initial_metadata,
+                        uint32_t initial_metadata_flags,
+                        grpc_connected_subchannel **target,
+                        grpc_closure *on_complete) {
+  return policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata,
+                              initial_metadata_flags, target, on_complete);
+}
+
+void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                                grpc_connected_subchannel **target) {
+  policy->vtable->cancel_pick(exec_ctx, policy, target);
+}
+
+void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 uint32_t initial_metadata_flags_mask,
+                                 uint32_t initial_metadata_flags_eq) {
+  policy->vtable->cancel_picks(exec_ctx, policy, initial_metadata_flags_mask,
+                               initial_metadata_flags_eq);
+}
+
+void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
+  policy->vtable->exit_idle(exec_ctx, policy);
+}
+
+void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                             grpc_closure *closure) {
+  policy->vtable->ping_one(exec_ctx, policy, closure);
+}
+
+void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
+                                           grpc_lb_policy *policy,
+                                           grpc_connectivity_state *state,
+                                           grpc_closure *closure) {
+  policy->vtable->notify_on_state_change(exec_ctx, policy, state, closure);
+}
+
+grpc_connectivity_state grpc_lb_policy_check_connectivity(
+    grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
+  return policy->vtable->check_connectivity(exec_ctx, policy);
+}
diff --git a/src/core/ext/client_config/lb_policy.h b/src/core/ext/client_config/lb_policy.h
new file mode 100644
index 0000000..0384e0b
--- /dev/null
+++ b/src/core/ext/client_config/lb_policy.h
@@ -0,0 +1,157 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
+
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/transport/connectivity_state.h"
+
+/** A load balancing policy: specified by a vtable and a struct (which
+    is expected to be extended to contain some parameters) */
+typedef struct grpc_lb_policy grpc_lb_policy;
+typedef struct grpc_lb_policy_vtable grpc_lb_policy_vtable;
+
+typedef void (*grpc_lb_completion)(void *cb_arg, grpc_subchannel *subchannel,
+                                   grpc_status_code status, const char *errmsg);
+
+struct grpc_lb_policy {
+  const grpc_lb_policy_vtable *vtable;
+  gpr_atm ref_pair;
+  /* owned pointer to interested parties in load balancing decisions */
+  grpc_pollset_set *interested_parties;
+};
+
+struct grpc_lb_policy_vtable {
+  void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+
+  void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+
+  /** implement grpc_lb_policy_pick */
+  int (*pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+              grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+              uint32_t initial_metadata_flags,
+              grpc_connected_subchannel **target, grpc_closure *on_complete);
+  void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                      grpc_connected_subchannel **target);
+  void (*cancel_picks)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                       uint32_t initial_metadata_flags_mask,
+                       uint32_t initial_metadata_flags_eq);
+
+  void (*ping_one)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                   grpc_closure *closure);
+
+  /** try to enter a READY connectivity state */
+  void (*exit_idle)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+
+  /** check the current connectivity of the lb_policy */
+  grpc_connectivity_state (*check_connectivity)(grpc_exec_ctx *exec_ctx,
+                                                grpc_lb_policy *policy);
+
+  /** call notify when the connectivity state of a channel changes from *state.
+      Updates *state with the new state of the policy */
+  void (*notify_on_state_change)(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 grpc_connectivity_state *state,
+                                 grpc_closure *closure);
+};
+
+/*#define GRPC_LB_POLICY_REFCOUNT_DEBUG*/
+#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
+#define GRPC_LB_POLICY_REF(p, r) \
+  grpc_lb_policy_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_LB_POLICY_UNREF(exec_ctx, p, r) \
+  grpc_lb_policy_unref((exec_ctx), (p), __FILE__, __LINE__, (r))
+#define GRPC_LB_POLICY_WEAK_REF(p, r) \
+  grpc_lb_policy_weak_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, p, r) \
+  grpc_lb_policy_weak_unref((exec_ctx), (p), __FILE__, __LINE__, (r))
+void grpc_lb_policy_ref(grpc_lb_policy *policy, const char *file, int line,
+                        const char *reason);
+void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                          const char *file, int line, const char *reason);
+void grpc_lb_policy_weak_ref(grpc_lb_policy *policy, const char *file, int line,
+                             const char *reason);
+void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                               const char *file, int line, const char *reason);
+#else
+#define GRPC_LB_POLICY_REF(p, r) grpc_lb_policy_ref((p))
+#define GRPC_LB_POLICY_UNREF(cl, p, r) grpc_lb_policy_unref((cl), (p))
+#define GRPC_LB_POLICY_WEAK_REF(p, r) grpc_lb_policy_weak_ref((p))
+#define GRPC_LB_POLICY_WEAK_UNREF(cl, p, r) grpc_lb_policy_weak_unref((cl), (p))
+void grpc_lb_policy_ref(grpc_lb_policy *policy);
+void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+void grpc_lb_policy_weak_ref(grpc_lb_policy *policy);
+void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+#endif
+
+/** called by concrete implementations to initialize the base struct */
+void grpc_lb_policy_init(grpc_lb_policy *policy,
+                         const grpc_lb_policy_vtable *vtable);
+
+/** Given initial metadata in \a initial_metadata, find an appropriate
+    target for this rpc, and 'return' it by calling \a on_complete after setting
+    \a target.
+    Picking can be asynchronous. Any IO should be done under \a pollset. */
+int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                        grpc_pollset *pollset,
+                        grpc_metadata_batch *initial_metadata,
+                        uint32_t initial_metadata_flags,
+                        grpc_connected_subchannel **target,
+                        grpc_closure *on_complete);
+
+void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                             grpc_closure *closure);
+
+void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                                grpc_connected_subchannel **target);
+
+/** Cancel all pending picks which have:
+    (initial_metadata_flags & initial_metadata_flags_mask) ==
+         initial_metadata_flags_eq */
+void grpc_lb_policy_cancel_picks(grpc_exec_ctx *exec_ctx,
+                                 grpc_lb_policy *policy,
+                                 uint32_t initial_metadata_flags_mask,
+                                 uint32_t initial_metadata_flags_eq);
+
+void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+
+void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
+                                           grpc_lb_policy *policy,
+                                           grpc_connectivity_state *state,
+                                           grpc_closure *closure);
+
+grpc_connectivity_state grpc_lb_policy_check_connectivity(
+    grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H */
diff --git a/src/core/ext/client_config/lb_policy_factory.c b/src/core/ext/client_config/lb_policy_factory.c
new file mode 100644
index 0000000..70e46ef
--- /dev/null
+++ b/src/core/ext/client_config/lb_policy_factory.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/lb_policy_factory.h"
+
+void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) {
+  factory->vtable->ref(factory);
+}
+
+void grpc_lb_policy_factory_unref(grpc_lb_policy_factory* factory) {
+  factory->vtable->unref(factory);
+}
+
+grpc_lb_policy* grpc_lb_policy_factory_create_lb_policy(
+    grpc_exec_ctx* exec_ctx, grpc_lb_policy_factory* factory,
+    grpc_lb_policy_args* args) {
+  if (factory == NULL) return NULL;
+  return factory->vtable->create_lb_policy(exec_ctx, factory, args);
+}
diff --git a/src/core/ext/client_config/lb_policy_factory.h b/src/core/ext/client_config/lb_policy_factory.h
new file mode 100644
index 0000000..1c89b28
--- /dev/null
+++ b/src/core/ext/client_config/lb_policy_factory.h
@@ -0,0 +1,78 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+
+#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_config/lb_policy.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+
+#include "src/core/lib/iomgr/exec_ctx.h"
+
+typedef struct grpc_lb_policy_factory grpc_lb_policy_factory;
+typedef struct grpc_lb_policy_factory_vtable grpc_lb_policy_factory_vtable;
+
+/** grpc_lb_policy provides grpc_client_config objects to grpc_channel
+    objects */
+struct grpc_lb_policy_factory {
+  const grpc_lb_policy_factory_vtable *vtable;
+};
+
+typedef struct grpc_lb_policy_args {
+  grpc_resolved_addresses *addresses;
+  grpc_client_channel_factory *client_channel_factory;
+} grpc_lb_policy_args;
+
+struct grpc_lb_policy_factory_vtable {
+  void (*ref)(grpc_lb_policy_factory *factory);
+  void (*unref)(grpc_lb_policy_factory *factory);
+
+  /** Implementation of grpc_lb_policy_factory_create_lb_policy */
+  grpc_lb_policy *(*create_lb_policy)(grpc_exec_ctx *exec_ctx,
+                                      grpc_lb_policy_factory *factory,
+                                      grpc_lb_policy_args *args);
+
+  /** Name for the LB policy this factory implements */
+  const char *name;
+};
+
+void grpc_lb_policy_factory_ref(grpc_lb_policy_factory *factory);
+void grpc_lb_policy_factory_unref(grpc_lb_policy_factory *factory);
+
+/** Create a lb_policy instance. */
+grpc_lb_policy *grpc_lb_policy_factory_create_lb_policy(
+    grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory,
+    grpc_lb_policy_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H */
diff --git a/src/core/ext/client_config/lb_policy_registry.c b/src/core/ext/client_config/lb_policy_registry.c
new file mode 100644
index 0000000..a23643e
--- /dev/null
+++ b/src/core/ext/client_config/lb_policy_registry.c
@@ -0,0 +1,83 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/lb_policy_registry.h"
+
+#include <string.h>
+
+#define MAX_POLICIES 10
+
+static grpc_lb_policy_factory *g_all_of_the_lb_policies[MAX_POLICIES];
+static int g_number_of_lb_policies = 0;
+
+void grpc_lb_policy_registry_init(void) { g_number_of_lb_policies = 0; }
+
+void grpc_lb_policy_registry_shutdown(void) {
+  int i;
+  for (i = 0; i < g_number_of_lb_policies; i++) {
+    grpc_lb_policy_factory_unref(g_all_of_the_lb_policies[i]);
+  }
+}
+
+void grpc_register_lb_policy(grpc_lb_policy_factory *factory) {
+  int i;
+  for (i = 0; i < g_number_of_lb_policies; i++) {
+    GPR_ASSERT(0 != strcmp(factory->vtable->name,
+                           g_all_of_the_lb_policies[i]->vtable->name));
+  }
+  GPR_ASSERT(g_number_of_lb_policies != MAX_POLICIES);
+  grpc_lb_policy_factory_ref(factory);
+  g_all_of_the_lb_policies[g_number_of_lb_policies++] = factory;
+}
+
+static grpc_lb_policy_factory *lookup_factory(const char *name) {
+  int i;
+
+  if (name == NULL) return NULL;
+
+  for (i = 0; i < g_number_of_lb_policies; i++) {
+    if (0 == strcmp(name, g_all_of_the_lb_policies[i]->vtable->name)) {
+      return g_all_of_the_lb_policies[i];
+    }
+  }
+
+  return NULL;
+}
+
+grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
+                                      grpc_lb_policy_args *args) {
+  grpc_lb_policy_factory *factory = lookup_factory(name);
+  grpc_lb_policy *lb_policy =
+      grpc_lb_policy_factory_create_lb_policy(exec_ctx, factory, args);
+  return lb_policy;
+}
diff --git a/src/core/ext/client_config/lb_policy_registry.h b/src/core/ext/client_config/lb_policy_registry.h
new file mode 100644
index 0000000..92f38d6
--- /dev/null
+++ b/src/core/ext/client_config/lb_policy_registry.h
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+
+#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/lib/iomgr/exec_ctx.h"
+
+/** Initialize the registry and set \a default_factory as the factory to be
+ * returned when no name is provided in a lookup */
+void grpc_lb_policy_registry_init(void);
+void grpc_lb_policy_registry_shutdown(void);
+
+/** Register a LB policy factory. */
+void grpc_register_lb_policy(grpc_lb_policy_factory *factory);
+
+/** Create a \a grpc_lb_policy instance.
+ *
+ * If \a name is NULL, the default factory from \a grpc_lb_policy_registry_init
+ * will be returned. */
+grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
+                                      grpc_lb_policy_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H */
diff --git a/src/core/ext/client_config/resolver.c b/src/core/ext/client_config/resolver.c
new file mode 100644
index 0000000..eb00445
--- /dev/null
+++ b/src/core/ext/client_config/resolver.c
@@ -0,0 +1,82 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/resolver.h"
+
+void grpc_resolver_init(grpc_resolver *resolver,
+                        const grpc_resolver_vtable *vtable) {
+  resolver->vtable = vtable;
+  gpr_ref_init(&resolver->refs, 1);
+}
+
+#ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
+void grpc_resolver_ref(grpc_resolver *resolver, grpc_closure_list *closure_list,
+                       const char *file, int line, const char *reason) {
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "RESOLVER:%p   ref %d -> %d %s",
+          resolver, (int)resolver->refs.count, (int)resolver->refs.count + 1,
+          reason);
+#else
+void grpc_resolver_ref(grpc_resolver *resolver) {
+#endif
+  gpr_ref(&resolver->refs);
+}
+
+#ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
+void grpc_resolver_unref(grpc_resolver *resolver,
+                         grpc_closure_list *closure_list, const char *file,
+                         int line, const char *reason) {
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "RESOLVER:%p unref %d -> %d %s",
+          resolver, (int)resolver->refs.count, (int)resolver->refs.count - 1,
+          reason);
+#else
+void grpc_resolver_unref(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
+#endif
+  if (gpr_unref(&resolver->refs)) {
+    resolver->vtable->destroy(exec_ctx, resolver);
+  }
+}
+
+void grpc_resolver_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
+  resolver->vtable->shutdown(exec_ctx, resolver);
+}
+
+void grpc_resolver_channel_saw_error(grpc_exec_ctx *exec_ctx,
+                                     grpc_resolver *resolver) {
+  resolver->vtable->channel_saw_error(exec_ctx, resolver);
+}
+
+void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
+                        grpc_client_config **target_config,
+                        grpc_closure *on_complete) {
+  resolver->vtable->next(exec_ctx, resolver, target_config, on_complete);
+}
diff --git a/src/core/ext/client_config/resolver.h b/src/core/ext/client_config/resolver.h
new file mode 100644
index 0000000..6ecb5d2
--- /dev/null
+++ b/src/core/ext/client_config/resolver.h
@@ -0,0 +1,94 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
+
+#include "src/core/ext/client_config/client_config.h"
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/iomgr/iomgr.h"
+
+typedef struct grpc_resolver grpc_resolver;
+typedef struct grpc_resolver_vtable grpc_resolver_vtable;
+
+/** grpc_resolver provides grpc_client_config objects to grpc_channel
+    objects */
+struct grpc_resolver {
+  const grpc_resolver_vtable *vtable;
+  gpr_refcount refs;
+};
+
+struct grpc_resolver_vtable {
+  void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
+  void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
+  void (*channel_saw_error)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
+  void (*next)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
+               grpc_client_config **target_config, grpc_closure *on_complete);
+};
+
+#ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
+#define GRPC_RESOLVER_REF(p, r) grpc_resolver_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_RESOLVER_UNREF(cl, p, r) \
+  grpc_resolver_unref((cl), (p), __FILE__, __LINE__, (r))
+void grpc_resolver_ref(grpc_resolver *policy, const char *file, int line,
+                       const char *reason);
+void grpc_resolver_unref(grpc_resolver *policy, grpc_closure_list *closure_list,
+                         const char *file, int line, const char *reason);
+#else
+#define GRPC_RESOLVER_REF(p, r) grpc_resolver_ref((p))
+#define GRPC_RESOLVER_UNREF(cl, p, r) grpc_resolver_unref((cl), (p))
+void grpc_resolver_ref(grpc_resolver *policy);
+void grpc_resolver_unref(grpc_exec_ctx *exec_ctx, grpc_resolver *policy);
+#endif
+
+void grpc_resolver_init(grpc_resolver *resolver,
+                        const grpc_resolver_vtable *vtable);
+
+void grpc_resolver_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
+
+/** Notification that the channel has seen an error on some address.
+    Can be used as a hint that re-resolution is desirable soon. */
+void grpc_resolver_channel_saw_error(grpc_exec_ctx *exec_ctx,
+                                     grpc_resolver *resolver);
+
+/** Get the next client config. Called by the channel to fetch a new
+    configuration. Expected to set *target_config with a new configuration,
+    and then schedule on_complete for execution.
+
+    If resolution is fatally broken, set *target_config to NULL and
+    schedule on_complete. */
+void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
+                        grpc_client_config **target_config,
+                        grpc_closure *on_complete);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H */
diff --git a/src/core/ext/client_config/resolver_factory.c b/src/core/ext/client_config/resolver_factory.c
new file mode 100644
index 0000000..67832dc
--- /dev/null
+++ b/src/core/ext/client_config/resolver_factory.c
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/resolver_factory.h"
+
+void grpc_resolver_factory_ref(grpc_resolver_factory* factory) {
+  factory->vtable->ref(factory);
+}
+
+void grpc_resolver_factory_unref(grpc_resolver_factory* factory) {
+  factory->vtable->unref(factory);
+}
+
+/** Create a resolver instance for a name */
+grpc_resolver* grpc_resolver_factory_create_resolver(
+    grpc_resolver_factory* factory, grpc_resolver_args* args) {
+  if (factory == NULL) return NULL;
+  return factory->vtable->create_resolver(factory, args);
+}
+
+char* grpc_resolver_factory_get_default_authority(
+    grpc_resolver_factory* factory, grpc_uri* uri) {
+  if (factory == NULL) return NULL;
+  return factory->vtable->get_default_authority(factory, uri);
+}
diff --git a/src/core/ext/client_config/resolver_factory.h b/src/core/ext/client_config/resolver_factory.h
new file mode 100644
index 0000000..4eb6979
--- /dev/null
+++ b/src/core/ext/client_config/resolver_factory.h
@@ -0,0 +1,82 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
+
+#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_config/resolver.h"
+#include "src/core/ext/client_config/uri_parser.h"
+
+typedef struct grpc_resolver_factory grpc_resolver_factory;
+typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
+
+/** grpc_resolver provides grpc_client_config objects to grpc_channel
+    objects */
+struct grpc_resolver_factory {
+  const grpc_resolver_factory_vtable *vtable;
+};
+
+typedef struct grpc_resolver_args {
+  grpc_uri *uri;
+  grpc_client_channel_factory *client_channel_factory;
+} grpc_resolver_args;
+
+struct grpc_resolver_factory_vtable {
+  void (*ref)(grpc_resolver_factory *factory);
+  void (*unref)(grpc_resolver_factory *factory);
+
+  /** Implementation of grpc_resolver_factory_create_resolver */
+  grpc_resolver *(*create_resolver)(grpc_resolver_factory *factory,
+                                    grpc_resolver_args *args);
+
+  /** Implementation of grpc_resolver_factory_get_default_authority */
+  char *(*get_default_authority)(grpc_resolver_factory *factory, grpc_uri *uri);
+
+  /** URI scheme that this factory implements */
+  const char *scheme;
+};
+
+void grpc_resolver_factory_ref(grpc_resolver_factory *resolver);
+void grpc_resolver_factory_unref(grpc_resolver_factory *resolver);
+
+/** Create a resolver instance for a name */
+grpc_resolver *grpc_resolver_factory_create_resolver(
+    grpc_resolver_factory *factory, grpc_resolver_args *args);
+
+/** Return a (freshly allocated with gpr_malloc) string representing
+    the default authority to use for this scheme. */
+char *grpc_resolver_factory_get_default_authority(
+    grpc_resolver_factory *factory, grpc_uri *uri);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H */
diff --git a/src/core/ext/client_config/resolver_registry.c b/src/core/ext/client_config/resolver_registry.c
new file mode 100644
index 0000000..07f29bc
--- /dev/null
+++ b/src/core/ext/client_config/resolver_registry.c
@@ -0,0 +1,145 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/resolver_registry.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+
+#define MAX_RESOLVERS 10
+
+static grpc_resolver_factory *g_all_of_the_resolvers[MAX_RESOLVERS];
+static int g_number_of_resolvers = 0;
+
+static char *g_default_resolver_prefix;
+
+void grpc_resolver_registry_init(const char *default_resolver_prefix) {
+  g_number_of_resolvers = 0;
+  g_default_resolver_prefix = gpr_strdup(default_resolver_prefix);
+}
+
+void grpc_resolver_registry_shutdown(void) {
+  int i;
+  for (i = 0; i < g_number_of_resolvers; i++) {
+    grpc_resolver_factory_unref(g_all_of_the_resolvers[i]);
+  }
+  gpr_free(g_default_resolver_prefix);
+}
+
+void grpc_register_resolver_type(grpc_resolver_factory *factory) {
+  int i;
+  for (i = 0; i < g_number_of_resolvers; i++) {
+    GPR_ASSERT(0 != strcmp(factory->vtable->scheme,
+                           g_all_of_the_resolvers[i]->vtable->scheme));
+  }
+  GPR_ASSERT(g_number_of_resolvers != MAX_RESOLVERS);
+  grpc_resolver_factory_ref(factory);
+  g_all_of_the_resolvers[g_number_of_resolvers++] = factory;
+}
+
+static grpc_resolver_factory *lookup_factory(const char *name) {
+  int i;
+
+  for (i = 0; i < g_number_of_resolvers; i++) {
+    if (0 == strcmp(name, g_all_of_the_resolvers[i]->vtable->scheme)) {
+      return g_all_of_the_resolvers[i];
+    }
+  }
+
+  return NULL;
+}
+
+grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name) {
+  grpc_resolver_factory *f = lookup_factory(name);
+  if (f) grpc_resolver_factory_ref(f);
+  return f;
+}
+
+static grpc_resolver_factory *lookup_factory_by_uri(grpc_uri *uri) {
+  if (!uri) return NULL;
+  return lookup_factory(uri->scheme);
+}
+
+static grpc_resolver_factory *resolve_factory(const char *target,
+                                              grpc_uri **uri) {
+  char *tmp;
+  grpc_resolver_factory *factory = NULL;
+
+  GPR_ASSERT(uri != NULL);
+  *uri = grpc_uri_parse(target, 1);
+  factory = lookup_factory_by_uri(*uri);
+  if (factory == NULL) {
+    if (g_default_resolver_prefix != NULL) {
+      grpc_uri_destroy(*uri);
+      gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target);
+      *uri = grpc_uri_parse(tmp, 1);
+      factory = lookup_factory_by_uri(*uri);
+      if (factory == NULL) {
+        grpc_uri_destroy(grpc_uri_parse(target, 0));
+        grpc_uri_destroy(grpc_uri_parse(tmp, 0));
+        gpr_log(GPR_ERROR, "don't know how to resolve '%s' or '%s'", target,
+                tmp);
+      }
+      gpr_free(tmp);
+    } else {
+      grpc_uri_destroy(grpc_uri_parse(target, 0));
+      gpr_log(GPR_ERROR, "don't know how to resolve '%s'", target);
+    }
+  }
+  return factory;
+}
+
+grpc_resolver *grpc_resolver_create(
+    const char *target, grpc_client_channel_factory *client_channel_factory) {
+  grpc_uri *uri = NULL;
+  grpc_resolver_factory *factory = resolve_factory(target, &uri);
+  grpc_resolver *resolver;
+  grpc_resolver_args args;
+  memset(&args, 0, sizeof(args));
+  args.uri = uri;
+  args.client_channel_factory = client_channel_factory;
+  resolver = grpc_resolver_factory_create_resolver(factory, &args);
+  grpc_uri_destroy(uri);
+  return resolver;
+}
+
+char *grpc_get_default_authority(const char *target) {
+  grpc_uri *uri = NULL;
+  grpc_resolver_factory *factory = resolve_factory(target, &uri);
+  char *authority = grpc_resolver_factory_get_default_authority(factory, uri);
+  grpc_uri_destroy(uri);
+  return authority;
+}
diff --git a/src/core/ext/client_config/resolver_registry.h b/src/core/ext/client_config/resolver_registry.h
new file mode 100644
index 0000000..5ef1383
--- /dev/null
+++ b/src/core/ext/client_config/resolver_registry.h
@@ -0,0 +1,69 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+
+#include "src/core/ext/client_config/resolver_factory.h"
+
+void grpc_resolver_registry_init(const char *default_prefix);
+void grpc_resolver_registry_shutdown(void);
+
+/** Register a resolver type.
+    URI's of \a scheme will be resolved with the given resolver.
+    If \a priority is greater than zero, then the resolver will be eligible
+    to resolve names that are passed in with no scheme. Higher priority
+    resolvers will be tried before lower priority schemes. */
+void grpc_register_resolver_type(grpc_resolver_factory *factory);
+
+/** Create a resolver given \a target.
+    First tries to parse \a target as a URI. If this succeeds, tries
+    to locate a registered resolver factory based on the URI scheme.
+    If parsing or location fails, prefixes default_prefix from
+    grpc_resolver_registry_init to target, and tries again (if default_prefix
+    was not NULL).
+    If a resolver factory was found, use it to instantiate a resolver and
+    return it.
+    If a resolver factory was not found, return NULL. */
+grpc_resolver *grpc_resolver_create(
+    const char *target, grpc_client_channel_factory *client_channel_factory);
+
+/** Find a resolver factory given a name and return an (owned-by-the-caller)
+ *  reference to it */
+grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name);
+
+/** Given a target, return a (freshly allocated with gpr_malloc) string
+    representing the default authority to pass from a client. */
+char *grpc_get_default_authority(const char *target);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H */
diff --git a/src/core/ext/client_config/subchannel.c b/src/core/ext/client_config/subchannel.c
new file mode 100644
index 0000000..125a291
--- /dev/null
+++ b/src/core/ext/client_config/subchannel.c
@@ -0,0 +1,709 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/subchannel.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/avl.h>
+
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/iomgr/timer.h"
+#include "src/core/lib/profiling/timers.h"
+#include "src/core/lib/support/backoff.h"
+#include "src/core/lib/surface/channel.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "src/core/lib/transport/connectivity_state.h"
+
+#define INTERNAL_REF_BITS 16
+#define STRONG_REF_MASK (~(gpr_atm)((1 << INTERNAL_REF_BITS) - 1))
+
+#define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20
+#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 2
+#define GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER 1.6
+#define GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS 120
+#define GRPC_SUBCHANNEL_RECONNECT_JITTER 0.2
+
+#define GET_CONNECTED_SUBCHANNEL(subchannel, barrier)      \
+  ((grpc_connected_subchannel *)(gpr_atm_##barrier##_load( \
+      &(subchannel)->connected_subchannel)))
+
+typedef struct {
+  grpc_closure closure;
+  grpc_subchannel *subchannel;
+  grpc_connectivity_state connectivity_state;
+} state_watcher;
+
+typedef struct external_state_watcher {
+  grpc_subchannel *subchannel;
+  grpc_pollset_set *pollset_set;
+  grpc_closure *notify;
+  grpc_closure closure;
+  struct external_state_watcher *next;
+  struct external_state_watcher *prev;
+} external_state_watcher;
+
+struct grpc_subchannel {
+  grpc_connector *connector;
+
+  /** refcount
+      - lower INTERNAL_REF_BITS bits are for internal references:
+        these do not keep the subchannel open.
+      - upper remaining bits are for public references: these do
+        keep the subchannel open */
+  gpr_atm ref_pair;
+
+  /** non-transport related channel filters */
+  const grpc_channel_filter **filters;
+  size_t num_filters;
+  /** channel arguments */
+  grpc_channel_args *args;
+  /** address to connect to */
+  struct sockaddr *addr;
+  size_t addr_len;
+
+  grpc_subchannel_key *key;
+
+  /** initial string to send to peer */
+  gpr_slice initial_connect_string;
+
+  /** set during connection */
+  grpc_connect_out_args connecting_result;
+
+  /** callback for connection finishing */
+  grpc_closure connected;
+
+  /** pollset_set tracking who's interested in a connection
+      being setup */
+  grpc_pollset_set *pollset_set;
+
+  /** active connection, or null; of type grpc_connected_subchannel */
+  gpr_atm connected_subchannel;
+
+  /** mutex protecting remaining elements */
+  gpr_mu mu;
+
+  /** have we seen a disconnection? */
+  int disconnected;
+  /** are we connecting */
+  int connecting;
+  /** connectivity state tracking */
+  grpc_connectivity_state_tracker state_tracker;
+
+  external_state_watcher root_external_state_watcher;
+
+  /** next connect attempt time */
+  gpr_timespec next_attempt;
+  /** backoff state */
+  gpr_backoff backoff_state;
+  /** do we have an active alarm? */
+  int have_alarm;
+  /** our alarm */
+  grpc_timer alarm;
+  /** current random value */
+  uint32_t random;
+};
+
+struct grpc_subchannel_call {
+  grpc_connected_subchannel *connection;
+};
+
+#define SUBCHANNEL_CALL_TO_CALL_STACK(call) ((grpc_call_stack *)((call) + 1))
+#define CHANNEL_STACK_FROM_CONNECTION(con) ((grpc_channel_stack *)(con))
+#define CALLSTACK_TO_SUBCHANNEL_CALL(callstack) \
+  (((grpc_subchannel_call *)(callstack)) - 1)
+
+static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *subchannel,
+                                 bool iomgr_success);
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+#define REF_REASON reason
+#define REF_LOG(name, p)                                                  \
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "%s: %p   ref %d -> %d %s", \
+          (name), (p), (p)->refs.count, (p)->refs.count + 1, reason)
+#define UNREF_LOG(name, p)                                                \
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "%s: %p unref %d -> %d %s", \
+          (name), (p), (p)->refs.count, (p)->refs.count - 1, reason)
+#define REF_MUTATE_EXTRA_ARGS \
+  GRPC_SUBCHANNEL_REF_EXTRA_ARGS, const char *purpose
+#define REF_MUTATE_PURPOSE(x) , file, line, reason, x
+#else
+#define REF_REASON ""
+#define REF_LOG(name, p) \
+  do {                   \
+  } while (0)
+#define UNREF_LOG(name, p) \
+  do {                     \
+  } while (0)
+#define REF_MUTATE_EXTRA_ARGS
+#define REF_MUTATE_PURPOSE(x)
+#endif
+
+/*
+ * connection implementation
+ */
+
+static void connection_destroy(grpc_exec_ctx *exec_ctx, void *arg,
+                               bool success) {
+  grpc_connected_subchannel *c = arg;
+  grpc_channel_stack_destroy(exec_ctx, CHANNEL_STACK_FROM_CONNECTION(c));
+  gpr_free(c);
+}
+
+void grpc_connected_subchannel_ref(
+    grpc_connected_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CONNECTION(c), REF_REASON);
+}
+
+void grpc_connected_subchannel_unref(grpc_exec_ctx *exec_ctx,
+                                     grpc_connected_subchannel *c
+                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  GRPC_CHANNEL_STACK_UNREF(exec_ctx, CHANNEL_STACK_FROM_CONNECTION(c),
+                           REF_REASON);
+}
+
+/*
+ * grpc_subchannel implementation
+ */
+
+static void subchannel_destroy(grpc_exec_ctx *exec_ctx, void *arg,
+                               bool success) {
+  grpc_subchannel *c = arg;
+  gpr_free((void *)c->filters);
+  grpc_channel_args_destroy(c->args);
+  gpr_free(c->addr);
+  gpr_slice_unref(c->initial_connect_string);
+  grpc_connectivity_state_destroy(exec_ctx, &c->state_tracker);
+  grpc_connector_unref(exec_ctx, c->connector);
+  grpc_pollset_set_destroy(c->pollset_set);
+  grpc_subchannel_key_destroy(exec_ctx, c->key);
+  gpr_free(c);
+}
+
+static gpr_atm ref_mutate(grpc_subchannel *c, gpr_atm delta,
+                          int barrier REF_MUTATE_EXTRA_ARGS) {
+  gpr_atm old_val = barrier ? gpr_atm_full_fetch_add(&c->ref_pair, delta)
+                            : gpr_atm_no_barrier_fetch_add(&c->ref_pair, delta);
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+          "SUBCHANNEL: %p % 12s 0x%08x -> 0x%08x [%s]", c, purpose, old_val,
+          old_val + delta, reason);
+#endif
+  return old_val;
+}
+
+grpc_subchannel *grpc_subchannel_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  gpr_atm old_refs;
+  old_refs = ref_mutate(c, (1 << INTERNAL_REF_BITS),
+                        0 REF_MUTATE_PURPOSE("STRONG_REF"));
+  GPR_ASSERT((old_refs & STRONG_REF_MASK) != 0);
+  return c;
+}
+
+grpc_subchannel *grpc_subchannel_weak_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  gpr_atm old_refs;
+  old_refs = ref_mutate(c, 1, 0 REF_MUTATE_PURPOSE("WEAK_REF"));
+  GPR_ASSERT(old_refs != 0);
+  return c;
+}
+
+grpc_subchannel *grpc_subchannel_ref_from_weak_ref(
+    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  if (!c) return NULL;
+  for (;;) {
+    gpr_atm old_refs = gpr_atm_acq_load(&c->ref_pair);
+    if (old_refs >= (1 << INTERNAL_REF_BITS)) {
+      gpr_atm new_refs = old_refs + (1 << INTERNAL_REF_BITS);
+      if (gpr_atm_rel_cas(&c->ref_pair, old_refs, new_refs)) {
+        return c;
+      }
+    } else {
+      return NULL;
+    }
+  }
+}
+
+static void disconnect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
+  grpc_connected_subchannel *con;
+  grpc_subchannel_index_unregister(exec_ctx, c->key, c);
+  gpr_mu_lock(&c->mu);
+  GPR_ASSERT(!c->disconnected);
+  c->disconnected = 1;
+  grpc_connector_shutdown(exec_ctx, c->connector);
+  con = GET_CONNECTED_SUBCHANNEL(c, no_barrier);
+  if (con != NULL) {
+    GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, con, "connection");
+    gpr_atm_no_barrier_store(&c->connected_subchannel, 0xdeadbeef);
+  }
+  gpr_mu_unlock(&c->mu);
+}
+
+void grpc_subchannel_unref(grpc_exec_ctx *exec_ctx,
+                           grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  gpr_atm old_refs;
+  old_refs = ref_mutate(c, (gpr_atm)1 - (gpr_atm)(1 << INTERNAL_REF_BITS),
+                        1 REF_MUTATE_PURPOSE("STRONG_UNREF"));
+  if ((old_refs & STRONG_REF_MASK) == (1 << INTERNAL_REF_BITS)) {
+    disconnect(exec_ctx, c);
+  }
+  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "strong-unref");
+}
+
+void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
+                                grpc_subchannel *c
+                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  gpr_atm old_refs;
+  old_refs = ref_mutate(c, -(gpr_atm)1, 1 REF_MUTATE_PURPOSE("WEAK_UNREF"));
+  if (old_refs == 1) {
+    grpc_exec_ctx_enqueue(exec_ctx, grpc_closure_create(subchannel_destroy, c),
+                          true, NULL);
+  }
+}
+
+static uint32_t random_seed() {
+  return (uint32_t)(gpr_time_to_millis(gpr_now(GPR_CLOCK_MONOTONIC)));
+}
+
+grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
+                                        grpc_connector *connector,
+                                        grpc_subchannel_args *args) {
+  grpc_subchannel_key *key = grpc_subchannel_key_create(connector, args);
+  grpc_subchannel *c = grpc_subchannel_index_find(exec_ctx, key);
+  if (c) {
+    grpc_subchannel_key_destroy(exec_ctx, key);
+    return c;
+  }
+
+  c = gpr_malloc(sizeof(*c));
+  memset(c, 0, sizeof(*c));
+  c->key = key;
+  gpr_atm_no_barrier_store(&c->ref_pair, 1 << INTERNAL_REF_BITS);
+  c->connector = connector;
+  grpc_connector_ref(c->connector);
+  c->num_filters = args->filter_count;
+  if (c->num_filters > 0) {
+    c->filters = gpr_malloc(sizeof(grpc_channel_filter *) * c->num_filters);
+    memcpy((void *)c->filters, args->filters,
+           sizeof(grpc_channel_filter *) * c->num_filters);
+  } else {
+    c->filters = NULL;
+  }
+  c->addr = gpr_malloc(args->addr_len);
+  memcpy(c->addr, args->addr, args->addr_len);
+  c->pollset_set = grpc_pollset_set_create();
+  c->addr_len = args->addr_len;
+  grpc_set_initial_connect_string(&c->addr, &c->addr_len,
+                                  &c->initial_connect_string);
+  c->args = grpc_channel_args_copy(args->args);
+  c->random = random_seed();
+  c->root_external_state_watcher.next = c->root_external_state_watcher.prev =
+      &c->root_external_state_watcher;
+  grpc_closure_init(&c->connected, subchannel_connected, c);
+  grpc_connectivity_state_init(&c->state_tracker, GRPC_CHANNEL_IDLE,
+                               "subchannel");
+  gpr_backoff_init(&c->backoff_state,
+                   GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER,
+                   GRPC_SUBCHANNEL_RECONNECT_JITTER,
+                   GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000,
+                   GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000);
+  if (c->args) {
+    for (size_t i = 0; i < c->args->num_args; i++) {
+      if (0 == strcmp(c->args->args[i].key,
+                      "grpc.testing.fixed_reconnect_backoff")) {
+        GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER);
+        gpr_backoff_init(&c->backoff_state, 1.0, 0.0,
+                         c->args->args[i].value.integer,
+                         c->args->args[i].value.integer);
+      }
+      if (0 ==
+          strcmp(c->args->args[i].key, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS)) {
+        if (c->args->args[i].type == GRPC_ARG_INTEGER) {
+          if (c->args->args[i].value.integer >= 0) {
+            gpr_backoff_init(
+                &c->backoff_state, GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER,
+                GRPC_SUBCHANNEL_RECONNECT_JITTER,
+                GPR_MIN(c->args->args[i].value.integer,
+                        GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000),
+                c->args->args[i].value.integer);
+          } else {
+            gpr_log(GPR_ERROR, GRPC_ARG_MAX_RECONNECT_BACKOFF_MS
+                    " : must be non-negative");
+          }
+        } else {
+          gpr_log(GPR_ERROR,
+                  GRPC_ARG_MAX_RECONNECT_BACKOFF_MS " : must be an integer");
+        }
+      }
+    }
+  }
+  gpr_mu_init(&c->mu);
+
+  return grpc_subchannel_index_register(exec_ctx, key, c);
+}
+
+static void continue_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
+  grpc_connect_in_args args;
+
+  args.interested_parties = c->pollset_set;
+  args.addr = c->addr;
+  args.addr_len = c->addr_len;
+  args.deadline = c->next_attempt;
+  args.channel_args = c->args;
+  args.initial_connect_string = c->initial_connect_string;
+
+  grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
+                              GRPC_CHANNEL_CONNECTING, "state_change");
+  grpc_connector_connect(exec_ctx, c->connector, &args, &c->connecting_result,
+                         &c->connected);
+}
+
+static void start_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
+  c->next_attempt =
+      gpr_backoff_begin(&c->backoff_state, gpr_now(GPR_CLOCK_MONOTONIC));
+  continue_connect(exec_ctx, c);
+}
+
+grpc_connectivity_state grpc_subchannel_check_connectivity(grpc_subchannel *c) {
+  grpc_connectivity_state state;
+  gpr_mu_lock(&c->mu);
+  state = grpc_connectivity_state_check(&c->state_tracker);
+  gpr_mu_unlock(&c->mu);
+  return state;
+}
+
+static void on_external_state_watcher_done(grpc_exec_ctx *exec_ctx, void *arg,
+                                           bool success) {
+  external_state_watcher *w = arg;
+  grpc_closure *follow_up = w->notify;
+  if (w->pollset_set != NULL) {
+    grpc_pollset_set_del_pollset_set(exec_ctx, w->subchannel->pollset_set,
+                                     w->pollset_set);
+  }
+  gpr_mu_lock(&w->subchannel->mu);
+  w->next->prev = w->prev;
+  w->prev->next = w->next;
+  gpr_mu_unlock(&w->subchannel->mu);
+  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, w->subchannel, "external_state_watcher");
+  gpr_free(w);
+  follow_up->cb(exec_ctx, follow_up->cb_arg, success);
+}
+
+void grpc_subchannel_notify_on_state_change(
+    grpc_exec_ctx *exec_ctx, grpc_subchannel *c,
+    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
+    grpc_closure *notify) {
+  external_state_watcher *w;
+
+  if (state == NULL) {
+    gpr_mu_lock(&c->mu);
+    for (w = c->root_external_state_watcher.next;
+         w != &c->root_external_state_watcher; w = w->next) {
+      if (w->notify == notify) {
+        grpc_connectivity_state_notify_on_state_change(
+            exec_ctx, &c->state_tracker, NULL, &w->closure);
+      }
+    }
+    gpr_mu_unlock(&c->mu);
+  } else {
+    w = gpr_malloc(sizeof(*w));
+    w->subchannel = c;
+    w->pollset_set = interested_parties;
+    w->notify = notify;
+    grpc_closure_init(&w->closure, on_external_state_watcher_done, w);
+    if (interested_parties != NULL) {
+      grpc_pollset_set_add_pollset_set(exec_ctx, c->pollset_set,
+                                       interested_parties);
+    }
+    GRPC_SUBCHANNEL_WEAK_REF(c, "external_state_watcher");
+    gpr_mu_lock(&c->mu);
+    w->next = &c->root_external_state_watcher;
+    w->prev = w->next->prev;
+    w->next->prev = w->prev->next = w;
+    if (grpc_connectivity_state_notify_on_state_change(
+            exec_ctx, &c->state_tracker, state, &w->closure)) {
+      c->connecting = 1;
+      /* released by connection */
+      GRPC_SUBCHANNEL_WEAK_REF(c, "connecting");
+      start_connect(exec_ctx, c);
+    }
+    gpr_mu_unlock(&c->mu);
+  }
+}
+
+void grpc_connected_subchannel_process_transport_op(
+    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
+    grpc_transport_op *op) {
+  grpc_channel_stack *channel_stack = CHANNEL_STACK_FROM_CONNECTION(con);
+  grpc_channel_element *top_elem = grpc_channel_stack_element(channel_stack, 0);
+  top_elem->filter->start_transport_op(exec_ctx, top_elem, op);
+}
+
+static void subchannel_on_child_state_changed(grpc_exec_ctx *exec_ctx, void *p,
+                                              bool iomgr_success) {
+  state_watcher *sw = p;
+  grpc_subchannel *c = sw->subchannel;
+  gpr_mu *mu = &c->mu;
+
+  gpr_mu_lock(mu);
+
+  /* if we failed just leave this closure */
+  if (iomgr_success) {
+    if (sw->connectivity_state == GRPC_CHANNEL_TRANSIENT_FAILURE) {
+      /* any errors on a subchannel ==> we're done, create a new one */
+      sw->connectivity_state = GRPC_CHANNEL_FATAL_FAILURE;
+    }
+    grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
+                                sw->connectivity_state, "reflect_child");
+    if (sw->connectivity_state != GRPC_CHANNEL_FATAL_FAILURE) {
+      grpc_connected_subchannel_notify_on_state_change(
+          exec_ctx, GET_CONNECTED_SUBCHANNEL(c, no_barrier), NULL,
+          &sw->connectivity_state, &sw->closure);
+      GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher");
+      sw = NULL;
+    }
+  }
+
+  gpr_mu_unlock(mu);
+  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "state_watcher");
+  gpr_free(sw);
+}
+
+static void connected_subchannel_state_op(grpc_exec_ctx *exec_ctx,
+                                          grpc_connected_subchannel *con,
+                                          grpc_pollset_set *interested_parties,
+                                          grpc_connectivity_state *state,
+                                          grpc_closure *closure) {
+  grpc_transport_op op;
+  grpc_channel_element *elem;
+  memset(&op, 0, sizeof(op));
+  op.connectivity_state = state;
+  op.on_connectivity_state_change = closure;
+  op.bind_pollset_set = interested_parties;
+  elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CONNECTION(con), 0);
+  elem->filter->start_transport_op(exec_ctx, elem, &op);
+}
+
+void grpc_connected_subchannel_notify_on_state_change(
+    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
+    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
+    grpc_closure *closure) {
+  connected_subchannel_state_op(exec_ctx, con, interested_parties, state,
+                                closure);
+}
+
+void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
+                                    grpc_connected_subchannel *con,
+                                    grpc_closure *closure) {
+  grpc_transport_op op;
+  grpc_channel_element *elem;
+  memset(&op, 0, sizeof(op));
+  op.send_ping = closure;
+  elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CONNECTION(con), 0);
+  elem->filter->start_transport_op(exec_ctx, elem, &op);
+}
+
+static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
+                                     grpc_subchannel *c) {
+  grpc_connected_subchannel *con;
+  grpc_channel_stack *stk;
+  state_watcher *sw_subchannel;
+
+  /* construct channel stack */
+  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
+  grpc_channel_stack_builder_set_channel_arguments(
+      builder, c->connecting_result.channel_args);
+  grpc_channel_stack_builder_set_transport(builder,
+                                           c->connecting_result.transport);
+
+  if (grpc_channel_init_create_stack(exec_ctx, builder,
+                                     GRPC_CLIENT_SUBCHANNEL)) {
+    con = grpc_channel_stack_builder_finish(exec_ctx, builder, 0, 1,
+                                            connection_destroy, NULL);
+  } else {
+    grpc_channel_stack_builder_destroy(builder);
+    abort(); /* TODO(ctiller): what to do here (previously we just crashed) */
+  }
+  stk = CHANNEL_STACK_FROM_CONNECTION(con);
+  memset(&c->connecting_result, 0, sizeof(c->connecting_result));
+
+  /* initialize state watcher */
+  sw_subchannel = gpr_malloc(sizeof(*sw_subchannel));
+  sw_subchannel->subchannel = c;
+  sw_subchannel->connectivity_state = GRPC_CHANNEL_READY;
+  grpc_closure_init(&sw_subchannel->closure, subchannel_on_child_state_changed,
+                    sw_subchannel);
+
+  if (c->disconnected) {
+    gpr_free(sw_subchannel);
+    grpc_channel_stack_destroy(exec_ctx, stk);
+    gpr_free(con);
+    GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
+    return;
+  }
+
+  /* publish */
+  /* TODO(ctiller): this full barrier seems to clear up a TSAN failure.
+                    I'd have expected the rel_cas below to be enough, but
+                    seemingly it's not.
+                    Re-evaluate if we really need this. */
+  gpr_atm_full_barrier();
+  GPR_ASSERT(gpr_atm_rel_cas(&c->connected_subchannel, 0, (gpr_atm)con));
+  c->connecting = 0;
+
+  /* setup subchannel watching connected subchannel for changes; subchannel
+     ref
+     for connecting is donated
+     to the state watcher */
+  GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher");
+  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
+  grpc_connected_subchannel_notify_on_state_change(
+      exec_ctx, con, c->pollset_set, &sw_subchannel->connectivity_state,
+      &sw_subchannel->closure);
+
+  /* signal completion */
+  grpc_connectivity_state_set(exec_ctx, &c->state_tracker, GRPC_CHANNEL_READY,
+                              "connected");
+}
+
+static void on_alarm(grpc_exec_ctx *exec_ctx, void *arg, bool iomgr_success) {
+  grpc_subchannel *c = arg;
+  gpr_mu_lock(&c->mu);
+  c->have_alarm = 0;
+  if (c->disconnected) {
+    iomgr_success = 0;
+  }
+  if (iomgr_success) {
+    c->next_attempt =
+        gpr_backoff_step(&c->backoff_state, gpr_now(GPR_CLOCK_MONOTONIC));
+    continue_connect(exec_ctx, c);
+    gpr_mu_unlock(&c->mu);
+  } else {
+    gpr_mu_unlock(&c->mu);
+    GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
+  }
+}
+
+static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg,
+                                 bool iomgr_success) {
+  grpc_subchannel *c = arg;
+
+  GRPC_SUBCHANNEL_WEAK_REF(c, "connected");
+  gpr_mu_lock(&c->mu);
+  if (c->connecting_result.transport != NULL) {
+    publish_transport_locked(exec_ctx, c);
+  } else if (c->disconnected) {
+    GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
+  } else {
+    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
+    GPR_ASSERT(!c->have_alarm);
+    c->have_alarm = 1;
+    grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
+                                GRPC_CHANNEL_TRANSIENT_FAILURE,
+                                "connect_failed");
+    grpc_timer_init(exec_ctx, &c->alarm, c->next_attempt, on_alarm, c, now);
+  }
+  gpr_mu_unlock(&c->mu);
+  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
+}
+
+/*
+ * grpc_subchannel_call implementation
+ */
+
+static void subchannel_call_destroy(grpc_exec_ctx *exec_ctx, void *call,
+                                    bool success) {
+  grpc_subchannel_call *c = call;
+  GPR_TIMER_BEGIN("grpc_subchannel_call_unref.destroy", 0);
+  grpc_call_stack_destroy(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c));
+  GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, c->connection, "subchannel_call");
+  gpr_free(c);
+  GPR_TIMER_END("grpc_subchannel_call_unref.destroy", 0);
+}
+
+void grpc_subchannel_call_ref(
+    grpc_subchannel_call *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  GRPC_CALL_STACK_REF(SUBCHANNEL_CALL_TO_CALL_STACK(c), REF_REASON);
+}
+
+void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
+                                grpc_subchannel_call *c
+                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
+  GRPC_CALL_STACK_UNREF(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c), REF_REASON);
+}
+
+char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx,
+                                    grpc_subchannel_call *call) {
+  grpc_call_stack *call_stack = SUBCHANNEL_CALL_TO_CALL_STACK(call);
+  grpc_call_element *top_elem = grpc_call_stack_element(call_stack, 0);
+  return top_elem->filter->get_peer(exec_ctx, top_elem);
+}
+
+void grpc_subchannel_call_process_op(grpc_exec_ctx *exec_ctx,
+                                     grpc_subchannel_call *call,
+                                     grpc_transport_stream_op *op) {
+  grpc_call_stack *call_stack = SUBCHANNEL_CALL_TO_CALL_STACK(call);
+  grpc_call_element *top_elem = grpc_call_stack_element(call_stack, 0);
+  top_elem->filter->start_transport_stream_op(exec_ctx, top_elem, op);
+}
+
+grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel(
+    grpc_subchannel *c) {
+  return GET_CONNECTED_SUBCHANNEL(c, acq);
+}
+
+grpc_subchannel_call *grpc_connected_subchannel_create_call(
+    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
+    grpc_pollset *pollset) {
+  grpc_channel_stack *chanstk = CHANNEL_STACK_FROM_CONNECTION(con);
+  grpc_subchannel_call *call =
+      gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
+  grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(call);
+  call->connection = con;
+  GRPC_CONNECTED_SUBCHANNEL_REF(con, "subchannel_call");
+  grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, call,
+                       NULL, NULL, callstk);
+  grpc_call_stack_set_pollset(exec_ctx, callstk, pollset);
+  return call;
+}
+
+grpc_call_stack *grpc_subchannel_call_get_call_stack(
+    grpc_subchannel_call *subchannel_call) {
+  return SUBCHANNEL_CALL_TO_CALL_STACK(subchannel_call);
+}
diff --git a/src/core/ext/client_config/subchannel.h b/src/core/ext/client_config/subchannel.h
new file mode 100644
index 0000000..0765a54
--- /dev/null
+++ b/src/core/ext/client_config/subchannel.h
@@ -0,0 +1,174 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
+
+#include "src/core/ext/client_config/connector.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/transport/connectivity_state.h"
+
+/** A (sub-)channel that knows how to connect to exactly one target
+    address. Provides a target for load balancing. */
+typedef struct grpc_subchannel grpc_subchannel;
+typedef struct grpc_connected_subchannel grpc_connected_subchannel;
+typedef struct grpc_subchannel_call grpc_subchannel_call;
+typedef struct grpc_subchannel_args grpc_subchannel_args;
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+#define GRPC_SUBCHANNEL_REF(p, r) \
+  grpc_subchannel_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_REF_FROM_WEAK_REF(p, r) \
+  grpc_subchannel_ref_from_weak_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_UNREF(cl, p, r) \
+  grpc_subchannel_unref((cl), (p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_WEAK_REF(p, r) \
+  grpc_subchannel_weak_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_WEAK_UNREF(cl, p, r) \
+  grpc_subchannel_weak_unref((cl), (p), __FILE__, __LINE__, (r))
+#define GRPC_CONNECTED_SUBCHANNEL_REF(p, r) \
+  grpc_connected_subchannel_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_CONNECTED_SUBCHANNEL_UNREF(cl, p, r) \
+  grpc_connected_subchannel_unref((cl), (p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_CALL_REF(p, r) \
+  grpc_subchannel_call_ref((p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_CALL_UNREF(cl, p, r) \
+  grpc_subchannel_call_unref((cl), (p), __FILE__, __LINE__, (r))
+#define GRPC_SUBCHANNEL_REF_EXTRA_ARGS \
+  , const char *file, int line, const char *reason
+#else
+#define GRPC_SUBCHANNEL_REF(p, r) grpc_subchannel_ref((p))
+#define GRPC_SUBCHANNEL_REF_FROM_WEAK_REF(p, r) \
+  grpc_subchannel_ref_from_weak_ref((p))
+#define GRPC_SUBCHANNEL_UNREF(cl, p, r) grpc_subchannel_unref((cl), (p))
+#define GRPC_SUBCHANNEL_WEAK_REF(p, r) grpc_subchannel_weak_ref((p))
+#define GRPC_SUBCHANNEL_WEAK_UNREF(cl, p, r) \
+  grpc_subchannel_weak_unref((cl), (p))
+#define GRPC_CONNECTED_SUBCHANNEL_REF(p, r) grpc_connected_subchannel_ref((p))
+#define GRPC_CONNECTED_SUBCHANNEL_UNREF(cl, p, r) \
+  grpc_connected_subchannel_unref((cl), (p))
+#define GRPC_SUBCHANNEL_CALL_REF(p, r) grpc_subchannel_call_ref((p))
+#define GRPC_SUBCHANNEL_CALL_UNREF(cl, p, r) \
+  grpc_subchannel_call_unref((cl), (p))
+#define GRPC_SUBCHANNEL_REF_EXTRA_ARGS
+#endif
+
+grpc_subchannel *grpc_subchannel_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+grpc_subchannel *grpc_subchannel_ref_from_weak_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_subchannel_unref(grpc_exec_ctx *exec_ctx,
+                           grpc_subchannel *channel
+                               GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+grpc_subchannel *grpc_subchannel_weak_ref(
+    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
+                                grpc_subchannel *channel
+                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_connected_subchannel_ref(
+    grpc_connected_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_connected_subchannel_unref(grpc_exec_ctx *exec_ctx,
+                                     grpc_connected_subchannel *channel
+                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_subchannel_call_ref(
+    grpc_subchannel_call *call GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
+                                grpc_subchannel_call *call
+                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
+
+/** construct a subchannel call */
+grpc_subchannel_call *grpc_connected_subchannel_create_call(
+    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *connected_subchannel,
+    grpc_pollset *pollset);
+
+/** process a transport level op */
+void grpc_connected_subchannel_process_transport_op(
+    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *subchannel,
+    grpc_transport_op *op);
+
+/** poll the current connectivity state of a channel */
+grpc_connectivity_state grpc_subchannel_check_connectivity(
+    grpc_subchannel *channel);
+
+/** call notify when the connectivity state of a channel changes from *state.
+    Updates *state with the new state of the channel */
+void grpc_subchannel_notify_on_state_change(
+    grpc_exec_ctx *exec_ctx, grpc_subchannel *channel,
+    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
+    grpc_closure *notify);
+void grpc_connected_subchannel_notify_on_state_change(
+    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *channel,
+    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
+    grpc_closure *notify);
+void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
+                                    grpc_connected_subchannel *channel,
+                                    grpc_closure *notify);
+
+/** retrieve the grpc_connected_subchannel - or NULL if called before
+    the subchannel becomes connected */
+grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel(
+    grpc_subchannel *subchannel);
+
+/** continue processing a transport op */
+void grpc_subchannel_call_process_op(grpc_exec_ctx *exec_ctx,
+                                     grpc_subchannel_call *subchannel_call,
+                                     grpc_transport_stream_op *op);
+
+/** continue querying for peer */
+char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx,
+                                    grpc_subchannel_call *subchannel_call);
+
+grpc_call_stack *grpc_subchannel_call_get_call_stack(
+    grpc_subchannel_call *subchannel_call);
+
+struct grpc_subchannel_args {
+  /* When updating this struct, also update subchannel_index.c */
+
+  /** Channel filters for this channel - wrapped factories will likely
+      want to mutate this */
+  const grpc_channel_filter **filters;
+  /** The number of filters in the above array */
+  size_t filter_count;
+  /** Channel arguments to be supplied to the newly created channel */
+  const grpc_channel_args *args;
+  /** Address to connect to */
+  struct sockaddr *addr;
+  size_t addr_len;
+};
+
+/** create a subchannel given a connector */
+grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
+                                        grpc_connector *connector,
+                                        grpc_subchannel_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H */
diff --git a/src/core/ext/client_config/subchannel_call_holder.c b/src/core/ext/client_config/subchannel_call_holder.c
new file mode 100644
index 0000000..3db462b
--- /dev/null
+++ b/src/core/ext/client_config/subchannel_call_holder.c
@@ -0,0 +1,260 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/subchannel_call_holder.h"
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/lib/profiling/timers.h"
+
+#define GET_CALL(holder) \
+  ((grpc_subchannel_call *)(gpr_atm_acq_load(&(holder)->subchannel_call)))
+
+#define CANCELLED_CALL ((grpc_subchannel_call *)1)
+
+static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *holder,
+                             bool success);
+static void retry_ops(grpc_exec_ctx *exec_ctx, void *retry_ops_args,
+                      bool success);
+
+static void add_waiting_locked(grpc_subchannel_call_holder *holder,
+                               grpc_transport_stream_op *op);
+static void fail_locked(grpc_exec_ctx *exec_ctx,
+                        grpc_subchannel_call_holder *holder);
+static void retry_waiting_locked(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel_call_holder *holder);
+
+void grpc_subchannel_call_holder_init(
+    grpc_subchannel_call_holder *holder,
+    grpc_subchannel_call_holder_pick_subchannel pick_subchannel,
+    void *pick_subchannel_arg, grpc_call_stack *owning_call) {
+  gpr_atm_rel_store(&holder->subchannel_call, 0);
+  holder->pick_subchannel = pick_subchannel;
+  holder->pick_subchannel_arg = pick_subchannel_arg;
+  gpr_mu_init(&holder->mu);
+  holder->connected_subchannel = NULL;
+  holder->waiting_ops = NULL;
+  holder->waiting_ops_count = 0;
+  holder->waiting_ops_capacity = 0;
+  holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+  holder->owning_call = owning_call;
+}
+
+void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
+                                         grpc_subchannel_call_holder *holder) {
+  grpc_subchannel_call *call = GET_CALL(holder);
+  if (call != NULL && call != CANCELLED_CALL) {
+    GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, call, "holder");
+  }
+  GPR_ASSERT(holder->creation_phase ==
+             GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING);
+  gpr_mu_destroy(&holder->mu);
+  GPR_ASSERT(holder->waiting_ops_count == 0);
+  gpr_free(holder->waiting_ops);
+}
+
+void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
+                                            grpc_subchannel_call_holder *holder,
+                                            grpc_transport_stream_op *op) {
+  /* try to (atomically) get the call */
+  grpc_subchannel_call *call = GET_CALL(holder);
+  GPR_TIMER_BEGIN("grpc_subchannel_call_holder_perform_op", 0);
+  if (call == CANCELLED_CALL) {
+    grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  if (call != NULL) {
+    grpc_subchannel_call_process_op(exec_ctx, call, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  /* we failed; lock and figure out what to do */
+  gpr_mu_lock(&holder->mu);
+retry:
+  /* need to recheck that another thread hasn't set the call */
+  call = GET_CALL(holder);
+  if (call == CANCELLED_CALL) {
+    gpr_mu_unlock(&holder->mu);
+    grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  if (call != NULL) {
+    gpr_mu_unlock(&holder->mu);
+    grpc_subchannel_call_process_op(exec_ctx, call, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  /* if this is a cancellation, then we can raise our cancelled flag */
+  if (op->cancel_with_status != GRPC_STATUS_OK) {
+    if (!gpr_atm_rel_cas(&holder->subchannel_call, 0, 1)) {
+      goto retry;
+    } else {
+      switch (holder->creation_phase) {
+        case GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING:
+          fail_locked(exec_ctx, holder);
+          break;
+        case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL:
+          holder->pick_subchannel(exec_ctx, holder->pick_subchannel_arg, NULL,
+                                  0, &holder->connected_subchannel, NULL);
+          break;
+      }
+      gpr_mu_unlock(&holder->mu);
+      grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
+      GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+      return;
+    }
+  }
+  /* if we don't have a subchannel, try to get one */
+  if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
+      holder->connected_subchannel == NULL &&
+      op->send_initial_metadata != NULL) {
+    holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL;
+    grpc_closure_init(&holder->next_step, subchannel_ready, holder);
+    GRPC_CALL_STACK_REF(holder->owning_call, "pick_subchannel");
+    if (holder->pick_subchannel(
+            exec_ctx, holder->pick_subchannel_arg, op->send_initial_metadata,
+            op->send_initial_metadata_flags, &holder->connected_subchannel,
+            &holder->next_step)) {
+      holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+      GRPC_CALL_STACK_UNREF(exec_ctx, holder->owning_call, "pick_subchannel");
+    }
+  }
+  /* if we've got a subchannel, then let's ask it to create a call */
+  if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
+      holder->connected_subchannel != NULL) {
+    gpr_atm_rel_store(
+        &holder->subchannel_call,
+        (gpr_atm)(uintptr_t)grpc_connected_subchannel_create_call(
+            exec_ctx, holder->connected_subchannel, holder->pollset));
+    retry_waiting_locked(exec_ctx, holder);
+    goto retry;
+  }
+  /* nothing to be done but wait */
+  add_waiting_locked(holder, op);
+  gpr_mu_unlock(&holder->mu);
+  GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+}
+
+static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  grpc_subchannel_call_holder *holder = arg;
+  gpr_mu_lock(&holder->mu);
+  GPR_ASSERT(holder->creation_phase ==
+             GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL);
+  holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+  if (holder->connected_subchannel == NULL) {
+    fail_locked(exec_ctx, holder);
+  } else if (1 == gpr_atm_acq_load(&holder->subchannel_call)) {
+    /* already cancelled before subchannel became ready */
+    fail_locked(exec_ctx, holder);
+  } else {
+    gpr_atm_rel_store(
+        &holder->subchannel_call,
+        (gpr_atm)(uintptr_t)grpc_connected_subchannel_create_call(
+            exec_ctx, holder->connected_subchannel, holder->pollset));
+    retry_waiting_locked(exec_ctx, holder);
+  }
+  gpr_mu_unlock(&holder->mu);
+  GRPC_CALL_STACK_UNREF(exec_ctx, holder->owning_call, "pick_subchannel");
+}
+
+typedef struct {
+  grpc_transport_stream_op *ops;
+  size_t nops;
+  grpc_subchannel_call *call;
+} retry_ops_args;
+
+static void retry_waiting_locked(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel_call_holder *holder) {
+  retry_ops_args *a = gpr_malloc(sizeof(*a));
+  a->ops = holder->waiting_ops;
+  a->nops = holder->waiting_ops_count;
+  a->call = GET_CALL(holder);
+  if (a->call == CANCELLED_CALL) {
+    gpr_free(a);
+    fail_locked(exec_ctx, holder);
+    return;
+  }
+  holder->waiting_ops = NULL;
+  holder->waiting_ops_count = 0;
+  holder->waiting_ops_capacity = 0;
+  GRPC_SUBCHANNEL_CALL_REF(a->call, "retry_ops");
+  grpc_exec_ctx_enqueue(exec_ctx, grpc_closure_create(retry_ops, a), true,
+                        NULL);
+}
+
+static void retry_ops(grpc_exec_ctx *exec_ctx, void *args, bool success) {
+  retry_ops_args *a = args;
+  size_t i;
+  for (i = 0; i < a->nops; i++) {
+    grpc_subchannel_call_process_op(exec_ctx, a->call, &a->ops[i]);
+  }
+  GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, a->call, "retry_ops");
+  gpr_free(a->ops);
+  gpr_free(a);
+}
+
+static void add_waiting_locked(grpc_subchannel_call_holder *holder,
+                               grpc_transport_stream_op *op) {
+  GPR_TIMER_BEGIN("add_waiting_locked", 0);
+  if (holder->waiting_ops_count == holder->waiting_ops_capacity) {
+    holder->waiting_ops_capacity = GPR_MAX(3, 2 * holder->waiting_ops_capacity);
+    holder->waiting_ops =
+        gpr_realloc(holder->waiting_ops, holder->waiting_ops_capacity *
+                                             sizeof(*holder->waiting_ops));
+  }
+  holder->waiting_ops[holder->waiting_ops_count++] = *op;
+  GPR_TIMER_END("add_waiting_locked", 0);
+}
+
+static void fail_locked(grpc_exec_ctx *exec_ctx,
+                        grpc_subchannel_call_holder *holder) {
+  size_t i;
+  for (i = 0; i < holder->waiting_ops_count; i++) {
+    grpc_transport_stream_op_finish_with_failure(exec_ctx,
+                                                 &holder->waiting_ops[i]);
+  }
+  holder->waiting_ops_count = 0;
+}
+
+char *grpc_subchannel_call_holder_get_peer(
+    grpc_exec_ctx *exec_ctx, grpc_subchannel_call_holder *holder) {
+  grpc_subchannel_call *subchannel_call = GET_CALL(holder);
+
+  if (subchannel_call) {
+    return grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
+  } else {
+    return NULL;
+  }
+}
diff --git a/src/core/ext/client_config/subchannel_call_holder.h b/src/core/ext/client_config/subchannel_call_holder.h
new file mode 100644
index 0000000..9299908
--- /dev/null
+++ b/src/core/ext/client_config/subchannel_call_holder.h
@@ -0,0 +1,98 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H
+
+#include "src/core/ext/client_config/subchannel.h"
+
+/** Pick a subchannel for grpc_subchannel_call_holder;
+    Return 1 if subchannel is available immediately (in which case on_ready
+    should not be called), or 0 otherwise (in which case on_ready should be
+    called when the subchannel is available) */
+typedef int (*grpc_subchannel_call_holder_pick_subchannel)(
+    grpc_exec_ctx *exec_ctx, void *arg, grpc_metadata_batch *initial_metadata,
+    uint32_t initial_metadata_flags,
+    grpc_connected_subchannel **connected_subchannel, grpc_closure *on_ready);
+
+typedef enum {
+  GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING,
+  GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL
+} grpc_subchannel_call_holder_creation_phase;
+
+/** Wrapper for holding a pointer to grpc_subchannel_call, and the
+    associated machinery to create such a pointer.
+    Handles queueing of stream ops until a call object is ready, waiting
+    for initial metadata before trying to create a call object,
+    and handling cancellation gracefully.
+
+    The channel filter uses this as their call_data. */
+typedef struct grpc_subchannel_call_holder {
+  /** either 0 for no call, 1 for cancelled, or a pointer to a
+      grpc_subchannel_call */
+  gpr_atm subchannel_call;
+  /** Helper function to choose the subchannel on which to create
+      the call object. Channel filter delegates to the load
+      balancing policy (once it's ready). */
+  grpc_subchannel_call_holder_pick_subchannel pick_subchannel;
+  void *pick_subchannel_arg;
+
+  gpr_mu mu;
+
+  grpc_subchannel_call_holder_creation_phase creation_phase;
+  grpc_connected_subchannel *connected_subchannel;
+  grpc_pollset *pollset;
+
+  grpc_transport_stream_op *waiting_ops;
+  size_t waiting_ops_count;
+  size_t waiting_ops_capacity;
+
+  grpc_closure next_step;
+
+  grpc_call_stack *owning_call;
+} grpc_subchannel_call_holder;
+
+void grpc_subchannel_call_holder_init(
+    grpc_subchannel_call_holder *holder,
+    grpc_subchannel_call_holder_pick_subchannel pick_subchannel,
+    void *pick_subchannel_arg, grpc_call_stack *owning_call);
+void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
+                                         grpc_subchannel_call_holder *holder);
+
+void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
+                                            grpc_subchannel_call_holder *holder,
+                                            grpc_transport_stream_op *op);
+char *grpc_subchannel_call_holder_get_peer(grpc_exec_ctx *exec_ctx,
+                                           grpc_subchannel_call_holder *holder);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_CALL_HOLDER_H */
diff --git a/src/core/ext/client_config/subchannel_factory.c b/src/core/ext/client_config/subchannel_factory.c
new file mode 100644
index 0000000..d1e4d75
--- /dev/null
+++ b/src/core/ext/client_config/subchannel_factory.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/subchannel_factory.h"
+
+void grpc_subchannel_factory_ref(grpc_subchannel_factory* factory) {
+  factory->vtable->ref(factory);
+}
+
+void grpc_subchannel_factory_unref(grpc_exec_ctx* exec_ctx,
+                                   grpc_subchannel_factory* factory) {
+  factory->vtable->unref(exec_ctx, factory);
+}
+
+grpc_subchannel* grpc_subchannel_factory_create_subchannel(
+    grpc_exec_ctx* exec_ctx, grpc_subchannel_factory* factory,
+    grpc_subchannel_args* args) {
+  return factory->vtable->create_subchannel(exec_ctx, factory, args);
+}
diff --git a/src/core/ext/client_config/subchannel_factory.h b/src/core/ext/client_config/subchannel_factory.h
new file mode 100644
index 0000000..0fb806d
--- /dev/null
+++ b/src/core/ext/client_config/subchannel_factory.h
@@ -0,0 +1,66 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
+
+#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/lib/channel/channel_stack.h"
+
+typedef struct grpc_subchannel_factory grpc_subchannel_factory;
+typedef struct grpc_subchannel_factory_vtable grpc_subchannel_factory_vtable;
+
+/** Constructor for new configured channels.
+    Creating decorators around this type is encouraged to adapt behavior. */
+struct grpc_subchannel_factory {
+  const grpc_subchannel_factory_vtable *vtable;
+};
+
+struct grpc_subchannel_factory_vtable {
+  void (*ref)(grpc_subchannel_factory *factory);
+  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory);
+  grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx,
+                                        grpc_subchannel_factory *factory,
+                                        grpc_subchannel_args *args);
+};
+
+void grpc_subchannel_factory_ref(grpc_subchannel_factory *factory);
+void grpc_subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                   grpc_subchannel_factory *factory);
+
+/** Create a new grpc_subchannel */
+grpc_subchannel *grpc_subchannel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+    grpc_subchannel_args *args);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */
diff --git a/src/core/ext/client_config/subchannel_index.c b/src/core/ext/client_config/subchannel_index.c
new file mode 100644
index 0000000..ab8d9bd
--- /dev/null
+++ b/src/core/ext/client_config/subchannel_index.c
@@ -0,0 +1,262 @@
+//
+//
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//
+
+#include "src/core/ext/client_config/subchannel_index.h"
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/avl.h>
+#include <grpc/support/tls.h>
+
+#include "src/core/lib/channel/channel_args.h"
+
+// a map of subchannel_key --> subchannel, used for detecting connections
+// to the same destination in order to share them
+static gpr_avl g_subchannel_index;
+
+static gpr_mu g_mu;
+
+struct grpc_subchannel_key {
+  grpc_connector *connector;
+  grpc_subchannel_args args;
+};
+
+GPR_TLS_DECL(subchannel_index_exec_ctx);
+
+static void enter_ctx(grpc_exec_ctx *exec_ctx) {
+  GPR_ASSERT(gpr_tls_get(&subchannel_index_exec_ctx) == 0);
+  gpr_tls_set(&subchannel_index_exec_ctx, (intptr_t)exec_ctx);
+}
+
+static void leave_ctx(grpc_exec_ctx *exec_ctx) {
+  GPR_ASSERT(gpr_tls_get(&subchannel_index_exec_ctx) == (intptr_t)exec_ctx);
+  gpr_tls_set(&subchannel_index_exec_ctx, 0);
+}
+
+static grpc_exec_ctx *current_ctx() {
+  grpc_exec_ctx *c = (grpc_exec_ctx *)gpr_tls_get(&subchannel_index_exec_ctx);
+  GPR_ASSERT(c != NULL);
+  return c;
+}
+
+static grpc_subchannel_key *create_key(
+    grpc_connector *connector, grpc_subchannel_args *args,
+    grpc_channel_args *(*copy_channel_args)(const grpc_channel_args *args)) {
+  grpc_subchannel_key *k = gpr_malloc(sizeof(*k));
+  k->connector = grpc_connector_ref(connector);
+  k->args.filter_count = args->filter_count;
+  k->args.filters = gpr_malloc(sizeof(*k->args.filters) * k->args.filter_count);
+  memcpy((grpc_channel_filter *)k->args.filters, args->filters,
+         sizeof(*k->args.filters) * k->args.filter_count);
+  k->args.addr_len = args->addr_len;
+  k->args.addr = gpr_malloc(args->addr_len);
+  memcpy(k->args.addr, args->addr, k->args.addr_len);
+  k->args.args = copy_channel_args(args->args);
+  return k;
+}
+
+grpc_subchannel_key *grpc_subchannel_key_create(grpc_connector *connector,
+                                                grpc_subchannel_args *args) {
+  return create_key(connector, args, grpc_channel_args_normalize);
+}
+
+static grpc_subchannel_key *subchannel_key_copy(grpc_subchannel_key *k) {
+  return create_key(k->connector, &k->args, grpc_channel_args_copy);
+}
+
+static int subchannel_key_compare(grpc_subchannel_key *a,
+                                  grpc_subchannel_key *b) {
+  int c = GPR_ICMP(a->connector, b->connector);
+  if (c != 0) return c;
+  c = GPR_ICMP(a->args.addr_len, b->args.addr_len);
+  if (c != 0) return c;
+  c = GPR_ICMP(a->args.filter_count, b->args.filter_count);
+  if (c != 0) return c;
+  c = memcmp(a->args.addr, b->args.addr, a->args.addr_len);
+  if (c != 0) return c;
+  c = memcmp(a->args.filters, b->args.filters,
+             a->args.filter_count * sizeof(*a->args.filters));
+  if (c != 0) return c;
+  return grpc_channel_args_compare(a->args.args, b->args.args);
+}
+
+void grpc_subchannel_key_destroy(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel_key *k) {
+  grpc_connector_unref(exec_ctx, k->connector);
+  gpr_free(k->args.addr);
+  gpr_free((grpc_channel_args *)k->args.filters);
+  grpc_channel_args_destroy((grpc_channel_args *)k->args.args);
+  gpr_free(k);
+}
+
+static void sck_avl_destroy(void *p) {
+  grpc_subchannel_key_destroy(current_ctx(), p);
+}
+
+static void *sck_avl_copy(void *p) { return subchannel_key_copy(p); }
+
+static long sck_avl_compare(void *a, void *b) {
+  return subchannel_key_compare(a, b);
+}
+
+static void scv_avl_destroy(void *p) {
+  GRPC_SUBCHANNEL_WEAK_UNREF(current_ctx(), p, "subchannel_index");
+}
+
+static void *scv_avl_copy(void *p) {
+  GRPC_SUBCHANNEL_WEAK_REF(p, "subchannel_index");
+  return p;
+}
+
+static const gpr_avl_vtable subchannel_avl_vtable = {
+    .destroy_key = sck_avl_destroy,
+    .copy_key = sck_avl_copy,
+    .compare_keys = sck_avl_compare,
+    .destroy_value = scv_avl_destroy,
+    .copy_value = scv_avl_copy};
+
+void grpc_subchannel_index_init(void) {
+  g_subchannel_index = gpr_avl_create(&subchannel_avl_vtable);
+  gpr_mu_init(&g_mu);
+  gpr_tls_init(&subchannel_index_exec_ctx);
+}
+
+void grpc_subchannel_index_shutdown(void) {
+  gpr_mu_destroy(&g_mu);
+  gpr_avl_unref(g_subchannel_index);
+  gpr_tls_destroy(&subchannel_index_exec_ctx);
+}
+
+grpc_subchannel *grpc_subchannel_index_find(grpc_exec_ctx *exec_ctx,
+                                            grpc_subchannel_key *key) {
+  enter_ctx(exec_ctx);
+
+  // Lock, and take a reference to the subchannel index.
+  // We don't need to do the search under a lock as avl's are immutable.
+  gpr_mu_lock(&g_mu);
+  gpr_avl index = gpr_avl_ref(g_subchannel_index);
+  gpr_mu_unlock(&g_mu);
+
+  grpc_subchannel *c =
+      GRPC_SUBCHANNEL_REF_FROM_WEAK_REF(gpr_avl_get(index, key), "index_find");
+  gpr_avl_unref(index);
+
+  leave_ctx(exec_ctx);
+  return c;
+}
+
+grpc_subchannel *grpc_subchannel_index_register(grpc_exec_ctx *exec_ctx,
+                                                grpc_subchannel_key *key,
+                                                grpc_subchannel *constructed) {
+  enter_ctx(exec_ctx);
+
+  grpc_subchannel *c = NULL;
+
+  while (c == NULL) {
+    // Compare and swap loop:
+    // - take a reference to the current index
+    gpr_mu_lock(&g_mu);
+    gpr_avl index = gpr_avl_ref(g_subchannel_index);
+    gpr_mu_unlock(&g_mu);
+
+    // - Check to see if a subchannel already exists
+    c = gpr_avl_get(index, key);
+    if (c != NULL) {
+      // yes -> we're done
+      GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, constructed, "index_register");
+    } else {
+      // no -> update the avl and compare/swap
+      gpr_avl updated =
+          gpr_avl_add(gpr_avl_ref(index), subchannel_key_copy(key),
+                      GRPC_SUBCHANNEL_WEAK_REF(constructed, "index_register"));
+
+      // it may happen (but it's expected to be unlikely)
+      // that some other thread has changed the index:
+      // compare/swap here to check that, and retry as necessary
+      gpr_mu_lock(&g_mu);
+      if (index.root == g_subchannel_index.root) {
+        GPR_SWAP(gpr_avl, updated, g_subchannel_index);
+        c = constructed;
+      }
+      gpr_mu_unlock(&g_mu);
+
+      gpr_avl_unref(updated);
+    }
+    gpr_avl_unref(index);
+  }
+
+  leave_ctx(exec_ctx);
+
+  return c;
+}
+
+void grpc_subchannel_index_unregister(grpc_exec_ctx *exec_ctx,
+                                      grpc_subchannel_key *key,
+                                      grpc_subchannel *constructed) {
+  enter_ctx(exec_ctx);
+
+  bool done = false;
+  while (!done) {
+    // Compare and swap loop:
+    // - take a reference to the current index
+    gpr_mu_lock(&g_mu);
+    gpr_avl index = gpr_avl_ref(g_subchannel_index);
+    gpr_mu_unlock(&g_mu);
+
+    // Check to see if this key still refers to the previously
+    // registered subchannel
+    grpc_subchannel *c = gpr_avl_get(index, key);
+    if (c != constructed) {
+      gpr_avl_unref(index);
+      break;
+    }
+
+    // compare and swap the update (some other thread may have
+    // mutated the index behind us)
+    gpr_avl updated = gpr_avl_remove(gpr_avl_ref(index), key);
+
+    gpr_mu_lock(&g_mu);
+    if (index.root == g_subchannel_index.root) {
+      GPR_SWAP(gpr_avl, updated, g_subchannel_index);
+      done = true;
+    }
+    gpr_mu_unlock(&g_mu);
+
+    gpr_avl_unref(updated);
+    gpr_avl_unref(index);
+  }
+
+  leave_ctx(exec_ctx);
+}
diff --git a/src/core/ext/client_config/subchannel_index.h b/src/core/ext/client_config/subchannel_index.h
new file mode 100644
index 0000000..6b8d063
--- /dev/null
+++ b/src/core/ext/client_config/subchannel_index.h
@@ -0,0 +1,77 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+
+#include "src/core/ext/client_config/connector.h"
+#include "src/core/ext/client_config/subchannel.h"
+
+/** \file Provides an index of active subchannels so that they can be
+    shared amongst channels */
+
+typedef struct grpc_subchannel_key grpc_subchannel_key;
+
+/** Create a key that can be used to uniquely identify a subchannel */
+grpc_subchannel_key *grpc_subchannel_key_create(grpc_connector *con,
+                                                grpc_subchannel_args *args);
+
+/** Destroy a subchannel key */
+void grpc_subchannel_key_destroy(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel_key *key);
+
+/** Given a subchannel key, find the subchannel registered for it.
+    Returns NULL if no such channel exists.
+    Thread-safe. */
+grpc_subchannel *grpc_subchannel_index_find(grpc_exec_ctx *exec_ctx,
+                                            grpc_subchannel_key *key);
+
+/** Register a subchannel against a key.
+    Takes ownership of \a constructed.
+    Returns the registered subchannel. This may be different from
+    \a constructed in the case of a registration race. */
+grpc_subchannel *grpc_subchannel_index_register(grpc_exec_ctx *exec_ctx,
+                                                grpc_subchannel_key *key,
+                                                grpc_subchannel *constructed);
+
+/** Remove \a constructed as the registered subchannel for \a key. */
+void grpc_subchannel_index_unregister(grpc_exec_ctx *exec_ctx,
+                                      grpc_subchannel_key *key,
+                                      grpc_subchannel *constructed);
+
+/** Initialize the subchannel index (global) */
+void grpc_subchannel_index_init(void);
+/** Shutdown the subchannel index (global) */
+void grpc_subchannel_index_shutdown(void);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
diff --git a/src/core/ext/client_config/uri_parser.c b/src/core/ext/client_config/uri_parser.c
new file mode 100644
index 0000000..3ca1a58
--- /dev/null
+++ b/src/core/ext/client_config/uri_parser.c
@@ -0,0 +1,310 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/client_config/uri_parser.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/port_platform.h>
+#include <grpc/support/slice.h>
+#include <grpc/support/slice_buffer.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/lib/support/string.h"
+
+/** a size_t default value... maps to all 1's */
+#define NOT_SET (~(size_t)0)
+
+static grpc_uri *bad_uri(const char *uri_text, size_t pos, const char *section,
+                         int suppress_errors) {
+  char *line_prefix;
+  size_t pfx_len;
+
+  if (!suppress_errors) {
+    gpr_asprintf(&line_prefix, "bad uri.%s: '", section);
+    pfx_len = strlen(line_prefix) + pos;
+    gpr_log(GPR_ERROR, "%s%s'", line_prefix, uri_text);
+    gpr_free(line_prefix);
+
+    line_prefix = gpr_malloc(pfx_len + 1);
+    memset(line_prefix, ' ', pfx_len);
+    line_prefix[pfx_len] = 0;
+    gpr_log(GPR_ERROR, "%s^ here", line_prefix);
+    gpr_free(line_prefix);
+  }
+
+  return NULL;
+}
+
+/** Returns a copy of \a src[begin, end) */
+static char *copy_component(const char *src, size_t begin, size_t end) {
+  char *out = gpr_malloc(end - begin + 1);
+  memcpy(out, src + begin, end - begin);
+  out[end - begin] = 0;
+  return out;
+}
+
+/** Returns how many chars to advance if \a uri_text[i] begins a valid \a pchar
+ * production. If \a uri_text[i] introduces an invalid \a pchar (such as percent
+ * sign not followed by two hex digits), NOT_SET is returned. */
+static size_t parse_pchar(const char *uri_text, size_t i) {
+  /* pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
+   * unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
+   * pct-encoded = "%" HEXDIG HEXDIG
+   * sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
+   / "*" / "+" / "," / ";" / "=" */
+  char c = uri_text[i];
+  if (((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) ||
+      ((c >= '0') && (c <= '9')) ||
+      (c == '-' || c == '.' || c == '_' || c == '~') || /* unreserved */
+      (c == '!' || c == '$' || c == '&' || c == '\'' || c == '$' || c == '&' ||
+       c == '(' || c == ')' || c == '*' || c == '+' || c == ',' || c == ';' ||
+       c == '=') /* sub-delims */) {
+    return 1;
+  }
+  if (c == '%') { /* pct-encoded */
+    size_t j;
+    if (uri_text[i + 1] == 0 || uri_text[i + 2] == 0) {
+      return NOT_SET;
+    }
+    for (j = i + 1; j < 2; j++) {
+      c = uri_text[j];
+      if (!(((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f')) ||
+            ((c >= 'A') && (c <= 'F')))) {
+        return NOT_SET;
+      }
+    }
+    return 2;
+  }
+  return 0;
+}
+
+/* *( pchar / "?" / "/" ) */
+static int parse_fragment_or_query(const char *uri_text, size_t *i) {
+  char c;
+  while ((c = uri_text[*i]) != 0) {
+    const size_t advance = parse_pchar(uri_text, *i); /* pchar */
+    switch (advance) {
+      case 0: /* uri_text[i] isn't in pchar */
+        /* maybe it's ? or / */
+        if (uri_text[*i] == '?' || uri_text[*i] == '/') {
+          (*i)++;
+          break;
+        } else {
+          return 1;
+        }
+        GPR_UNREACHABLE_CODE(return 0);
+      default:
+        (*i) += advance;
+        break;
+      case NOT_SET: /* uri_text[i] introduces an invalid URI */
+        return 0;
+    }
+  }
+  /* *i is the first uri_text position past the \a query production, maybe \0 */
+  return 1;
+}
+
+static void do_nothing(void *ignored) {}
+static void parse_query_parts(grpc_uri *uri) {
+  static const char *QUERY_PARTS_SEPARATOR = "&";
+  static const char *QUERY_PARTS_VALUE_SEPARATOR = "=";
+  GPR_ASSERT(uri->query != NULL);
+  if (uri->query[0] == '\0') {
+    uri->query_parts = NULL;
+    uri->query_parts_values = NULL;
+    uri->num_query_parts = 0;
+    return;
+  }
+  gpr_slice query_slice =
+      gpr_slice_new(uri->query, strlen(uri->query), do_nothing);
+  gpr_slice_buffer query_parts; /* the &-separated elements of the query */
+  gpr_slice_buffer query_param_parts; /* the =-separated subelements */
+
+  gpr_slice_buffer_init(&query_parts);
+  gpr_slice_buffer_init(&query_param_parts);
+
+  gpr_slice_split(query_slice, QUERY_PARTS_SEPARATOR, &query_parts);
+  uri->query_parts = gpr_malloc(query_parts.count * sizeof(char *));
+  uri->query_parts_values = gpr_malloc(query_parts.count * sizeof(char *));
+  uri->num_query_parts = query_parts.count;
+  for (size_t i = 0; i < query_parts.count; i++) {
+    gpr_slice_split(query_parts.slices[i], QUERY_PARTS_VALUE_SEPARATOR,
+                    &query_param_parts);
+    GPR_ASSERT(query_param_parts.count > 0);
+    uri->query_parts[i] =
+        gpr_dump_slice(query_param_parts.slices[0], GPR_DUMP_ASCII);
+    if (query_param_parts.count > 1) {
+      /* TODO(dgq): only the first value after the separator is considered.
+       * Perhaps all chars after the first separator for the query part should
+       * be included, even if they include the separator. */
+      uri->query_parts_values[i] =
+          gpr_dump_slice(query_param_parts.slices[1], GPR_DUMP_ASCII);
+    } else {
+      uri->query_parts_values[i] = NULL;
+    }
+    gpr_slice_buffer_reset_and_unref(&query_param_parts);
+  }
+  gpr_slice_buffer_destroy(&query_parts);
+  gpr_slice_buffer_destroy(&query_param_parts);
+  gpr_slice_unref(query_slice);
+}
+
+grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) {
+  grpc_uri *uri;
+  size_t scheme_begin = 0;
+  size_t scheme_end = NOT_SET;
+  size_t authority_begin = NOT_SET;
+  size_t authority_end = NOT_SET;
+  size_t path_begin = NOT_SET;
+  size_t path_end = NOT_SET;
+  size_t query_begin = NOT_SET;
+  size_t query_end = NOT_SET;
+  size_t fragment_begin = NOT_SET;
+  size_t fragment_end = NOT_SET;
+  size_t i;
+
+  for (i = scheme_begin; uri_text[i] != 0; i++) {
+    if (uri_text[i] == ':') {
+      scheme_end = i;
+      break;
+    }
+    if (uri_text[i] >= 'a' && uri_text[i] <= 'z') continue;
+    if (uri_text[i] >= 'A' && uri_text[i] <= 'Z') continue;
+    if (i != scheme_begin) {
+      if (uri_text[i] >= '0' && uri_text[i] <= '9') continue;
+      if (uri_text[i] == '+') continue;
+      if (uri_text[i] == '-') continue;
+      if (uri_text[i] == '.') continue;
+    }
+    break;
+  }
+  if (scheme_end == NOT_SET) {
+    return bad_uri(uri_text, i, "scheme", suppress_errors);
+  }
+
+  if (uri_text[scheme_end + 1] == '/' && uri_text[scheme_end + 2] == '/') {
+    authority_begin = scheme_end + 3;
+    for (i = authority_begin; uri_text[i] != 0 && authority_end == NOT_SET;
+         i++) {
+      if (uri_text[i] == '/' || uri_text[i] == '?' || uri_text[i] == '#') {
+        authority_end = i;
+      }
+    }
+    if (authority_end == NOT_SET && uri_text[i] == 0) {
+      authority_end = i;
+    }
+    if (authority_end == NOT_SET) {
+      return bad_uri(uri_text, i, "authority", suppress_errors);
+    }
+    /* TODO(ctiller): parse the authority correctly */
+    path_begin = authority_end;
+  } else {
+    path_begin = scheme_end + 1;
+  }
+
+  for (i = path_begin; uri_text[i] != 0; i++) {
+    if (uri_text[i] == '?' || uri_text[i] == '#') {
+      path_end = i;
+      break;
+    }
+  }
+  if (path_end == NOT_SET && uri_text[i] == 0) {
+    path_end = i;
+  }
+  if (path_end == NOT_SET) {
+    return bad_uri(uri_text, i, "path", suppress_errors);
+  }
+
+  if (uri_text[i] == '?') {
+    query_begin = ++i;
+    if (!parse_fragment_or_query(uri_text, &i)) {
+      return bad_uri(uri_text, i, "query", suppress_errors);
+    } else if (uri_text[i] != 0 && uri_text[i] != '#') {
+      /* We must be at the end or at the beginning of a fragment */
+      return bad_uri(uri_text, i, "query", suppress_errors);
+    }
+    query_end = i;
+  }
+  if (uri_text[i] == '#') {
+    fragment_begin = ++i;
+    if (!parse_fragment_or_query(uri_text, &i)) {
+      return bad_uri(uri_text, i - fragment_end, "fragment", suppress_errors);
+    } else if (uri_text[i] != 0) {
+      /* We must be at the end */
+      return bad_uri(uri_text, i, "fragment", suppress_errors);
+    }
+    fragment_end = i;
+  }
+
+  uri = gpr_malloc(sizeof(*uri));
+  memset(uri, 0, sizeof(*uri));
+  uri->scheme = copy_component(uri_text, scheme_begin, scheme_end);
+  uri->authority = copy_component(uri_text, authority_begin, authority_end);
+  uri->path = copy_component(uri_text, path_begin, path_end);
+  uri->query = copy_component(uri_text, query_begin, query_end);
+  uri->fragment = copy_component(uri_text, fragment_begin, fragment_end);
+  parse_query_parts(uri);
+
+  return uri;
+}
+
+const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key) {
+  GPR_ASSERT(key != NULL);
+  if (key[0] == '\0') return NULL;
+
+  for (size_t i = 0; i < uri->num_query_parts; ++i) {
+    if (0 == strcmp(key, uri->query_parts[i])) {
+      return uri->query_parts_values[i];
+    }
+  }
+  return NULL;
+}
+
+void grpc_uri_destroy(grpc_uri *uri) {
+  if (!uri) return;
+  gpr_free(uri->scheme);
+  gpr_free(uri->authority);
+  gpr_free(uri->path);
+  gpr_free(uri->query);
+  for (size_t i = 0; i < uri->num_query_parts; ++i) {
+    gpr_free(uri->query_parts[i]);
+    gpr_free(uri->query_parts_values[i]);
+  }
+  gpr_free(uri->query_parts);
+  gpr_free(uri->query_parts_values);
+  gpr_free(uri->fragment);
+  gpr_free(uri);
+}
diff --git a/src/core/ext/client_config/uri_parser.h b/src/core/ext/client_config/uri_parser.h
new file mode 100644
index 0000000..875a7cb
--- /dev/null
+++ b/src/core/ext/client_config/uri_parser.h
@@ -0,0 +1,63 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+#define GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+
+#include <stddef.h>
+
+typedef struct {
+  char *scheme;
+  char *authority;
+  char *path;
+  char *query;
+  /** Query substrings separated by '&' */
+  char **query_parts;
+  /** Number of elements in \a query_parts and \a query_parts_values */
+  size_t num_query_parts;
+  /** Split each query part by '='. NULL if not present. */
+  char **query_parts_values;
+  char *fragment;
+} grpc_uri;
+
+/** parse a uri, return NULL on failure */
+grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors);
+
+/** return the part of a query string after the '=' in "?key=xxx&...", or NULL
+ * if key is not present */
+const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key);
+
+/** destroy a uri */
+void grpc_uri_destroy(grpc_uri *uri);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H */
diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.c b/src/core/ext/lb_policy/grpclb/load_balancer_api.c
index d8af644..459d6d9 100644
--- a/src/core/ext/lb_policy/grpclb/load_balancer_api.c
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.c
@@ -110,13 +110,15 @@
   grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
   memset(res, 0, sizeof(*res));
   status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
   return res;
 }
 
 grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
     gpr_slice encoded_response) {
-  grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
   bool status;
   decode_serverlist_arg arg;
   pb_istream_t stream =
@@ -131,15 +133,20 @@
   res->server_list.servers.arg = &arg;
   arg.first_pass = 1;
   status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  GPR_ASSERT(arg.num_servers > 0);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
 
   arg.first_pass = 0;
   status =
       pb_decode(&stream_at_start, grpc_lb_v0_LoadBalanceResponse_fields, res);
-  GPR_ASSERT(status == true);
-  GPR_ASSERT(arg.servers != NULL);
+  if (!status) {
+    grpc_grpclb_response_destroy(res);
+    return NULL;
+  }
 
+  grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
   sl->num_servers = arg.num_servers;
   sl->servers = arg.servers;
   if (res->server_list.has_expiration_interval) {
@@ -150,8 +157,10 @@
 }
 
 void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) {
-  size_t i;
-  for (i = 0; i < serverlist->num_servers; i++) {
+  if (serverlist == NULL) {
+    return;
+  }
+  for (size_t i = 0; i < serverlist->num_servers; i++) {
     gpr_free(serverlist->servers[i]);
   }
   gpr_free(serverlist->servers);
diff --git a/src/core/ext/lb_policy/grpclb/load_balancer_api.h b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
index d329a2f..968f7d2 100644
--- a/src/core/ext/lb_policy/grpclb/load_balancer_api.h
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
@@ -36,8 +36,8 @@
 
 #include <grpc/support/slice_buffer.h>
 
+#include "src/core/ext/client_config/lb_policy_factory.h"
 #include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h"
-#include "src/core/lib/client_config/lb_policy_factory.h"
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/src/core/ext/lb_policy/pick_first/pick_first.c b/src/core/ext/lb_policy/pick_first/pick_first.c
index cb5c405..5926f9d 100644
--- a/src/core/ext/lb_policy/pick_first/pick_first.c
+++ b/src/core/ext/lb_policy/pick_first/pick_first.c
@@ -34,12 +34,13 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include "src/core/lib/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
 #include "src/core/lib/transport/connectivity_state.h"
 
 typedef struct pending_pick {
   struct pending_pick *next;
   grpc_pollset *pollset;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **target;
   grpc_closure *on_complete;
 } pending_pick;
@@ -149,6 +150,31 @@
   gpr_mu_unlock(&p->mu);
 }
 
+static void pf_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                            uint32_t initial_metadata_flags_mask,
+                            uint32_t initial_metadata_flags_eq) {
+  pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if ((pp->initial_metadata_flags & initial_metadata_flags_mask) ==
+        initial_metadata_flags_eq) {
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
+                                   pp->pollset);
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) {
   p->started_picking = 1;
   p->checking_subchannel = 0;
@@ -171,6 +197,7 @@
 
 static int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
                    grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+                   uint32_t initial_metadata_flags,
                    grpc_connected_subchannel **target,
                    grpc_closure *on_complete) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
@@ -199,6 +226,7 @@
     pp->next = p->pending_picks;
     pp->pollset = pollset;
     pp->target = target;
+    pp->initial_metadata_flags = initial_metadata_flags;
     pp->on_complete = on_complete;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
@@ -286,11 +314,14 @@
             &p->checking_connectivity, &p->connectivity_changed);
         break;
       case GRPC_CHANNEL_TRANSIENT_FAILURE:
-        grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
-                                    GRPC_CHANNEL_TRANSIENT_FAILURE,
-                                    "connecting_transient_failure");
         p->checking_subchannel =
             (p->checking_subchannel + 1) % p->num_subchannels;
+        if (p->checking_subchannel == 0) {
+          /* only trigger transient failure when we've tried all alternatives */
+          grpc_connectivity_state_set(exec_ctx, &p->state_tracker,
+                                      GRPC_CHANNEL_TRANSIENT_FAILURE,
+                                      "connecting_transient_failure");
+        }
         p->checking_connectivity = grpc_subchannel_check_connectivity(
             p->subchannels[p->checking_subchannel]);
         if (p->checking_connectivity == GRPC_CHANNEL_TRANSIENT_FAILURE) {
@@ -378,14 +409,9 @@
 }
 
 static const grpc_lb_policy_vtable pick_first_lb_policy_vtable = {
-    pf_destroy,
-    pf_shutdown,
-    pf_pick,
-    pf_cancel_pick,
-    pf_ping_one,
-    pf_exit_idle,
-    pf_check_connectivity,
-    pf_notify_on_state_change};
+    pf_destroy,     pf_shutdown,           pf_pick,
+    pf_cancel_pick, pf_cancel_picks,       pf_ping_one,
+    pf_exit_idle,   pf_check_connectivity, pf_notify_on_state_change};
 
 static void pick_first_factory_ref(grpc_lb_policy_factory *factory) {}
 
@@ -395,7 +421,7 @@
                                          grpc_lb_policy_factory *factory,
                                          grpc_lb_policy_args *args) {
   GPR_ASSERT(args->addresses != NULL);
-  GPR_ASSERT(args->subchannel_factory != NULL);
+  GPR_ASSERT(args->client_channel_factory != NULL);
 
   if (args->addresses->naddrs == 0) return NULL;
 
@@ -412,8 +438,8 @@
     sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr);
     sc_args.addr_len = (size_t)args->addresses->addrs[i].len;
 
-    grpc_subchannel *subchannel = grpc_subchannel_factory_create_subchannel(
-        exec_ctx, args->subchannel_factory, &sc_args);
+    grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
+        exec_ctx, args->client_channel_factory, &sc_args);
 
     if (subchannel != NULL) {
       p->subchannels[subchannel_idx++] = subchannel;
diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c
index d94c081..3f6051b 100644
--- a/src/core/ext/lb_policy/round_robin/round_robin.c
+++ b/src/core/ext/lb_policy/round_robin/round_robin.c
@@ -35,7 +35,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/lib/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/transport/connectivity_state.h"
 
@@ -49,6 +49,7 @@
 typedef struct pending_pick {
   struct pending_pick *next;
   grpc_pollset *pollset;
+  uint32_t initial_metadata_flags;
   grpc_connected_subchannel **target;
   grpc_closure *on_complete;
 } pending_pick;
@@ -275,6 +276,32 @@
   gpr_mu_unlock(&p->mu);
 }
 
+static void rr_cancel_picks(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                            uint32_t initial_metadata_flags_mask,
+                            uint32_t initial_metadata_flags_eq) {
+  round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if ((pp->initial_metadata_flags & initial_metadata_flags_mask) ==
+        initial_metadata_flags_eq) {
+      grpc_pollset_set_del_pollset(exec_ctx, p->base.interested_parties,
+                                   pp->pollset);
+      *pp->target = NULL;
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, false, NULL);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) {
   size_t i;
   p->started_picking = 1;
@@ -303,6 +330,7 @@
 
 static int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
                    grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+                   uint32_t initial_metadata_flags,
                    grpc_connected_subchannel **target,
                    grpc_closure *on_complete) {
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
@@ -330,6 +358,7 @@
     pp->pollset = pollset;
     pp->target = target;
     pp->on_complete = on_complete;
+    pp->initial_metadata_flags = initial_metadata_flags;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
     return 0;
@@ -485,14 +514,9 @@
 }
 
 static const grpc_lb_policy_vtable round_robin_lb_policy_vtable = {
-    rr_destroy,
-    rr_shutdown,
-    rr_pick,
-    rr_cancel_pick,
-    rr_ping_one,
-    rr_exit_idle,
-    rr_check_connectivity,
-    rr_notify_on_state_change};
+    rr_destroy,     rr_shutdown,           rr_pick,
+    rr_cancel_pick, rr_cancel_picks,       rr_ping_one,
+    rr_exit_idle,   rr_check_connectivity, rr_notify_on_state_change};
 
 static void round_robin_factory_ref(grpc_lb_policy_factory *factory) {}
 
@@ -502,7 +526,7 @@
                                           grpc_lb_policy_factory *factory,
                                           grpc_lb_policy_args *args) {
   GPR_ASSERT(args->addresses != NULL);
-  GPR_ASSERT(args->subchannel_factory != NULL);
+  GPR_ASSERT(args->client_channel_factory != NULL);
 
   round_robin_lb_policy *p = gpr_malloc(sizeof(*p));
   memset(p, 0, sizeof(*p));
@@ -518,8 +542,8 @@
     sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr);
     sc_args.addr_len = (size_t)args->addresses->addrs[i].len;
 
-    grpc_subchannel *subchannel = grpc_subchannel_factory_create_subchannel(
-        exec_ctx, args->subchannel_factory, &sc_args);
+    grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
+        exec_ctx, args->client_channel_factory, &sc_args);
 
     if (subchannel != NULL) {
       subchannel_data *sd = gpr_malloc(sizeof(*sd));
diff --git a/src/core/ext/resolver/dns/native/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c
index 70d8a3f..2749b0c 100644
--- a/src/core/ext/resolver/dns/native/dns_resolver.c
+++ b/src/core/ext/resolver/dns/native/dns_resolver.c
@@ -37,8 +37,8 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/lib/client_config/lb_policy_registry.h"
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/timer.h"
 #include "src/core/lib/support/backoff.h"
@@ -59,7 +59,7 @@
   /** default port to use */
   char *default_port;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -170,7 +170,7 @@
     config = grpc_client_config_create();
     memset(&lb_policy_args, 0, sizeof(lb_policy_args));
     lb_policy_args.addresses = addresses;
-    lb_policy_args.subchannel_factory = r->subchannel_factory;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
     lb_policy =
         grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
     if (lb_policy != NULL) {
@@ -228,7 +228,7 @@
   if (r->resolved_config) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   gpr_free(r->name);
   gpr_free(r->default_port);
   gpr_free(r->lb_policy_name);
@@ -255,10 +255,10 @@
   grpc_resolver_init(&r->base, &dns_resolver_vtable);
   r->name = gpr_strdup(path);
   r->default_port = gpr_strdup(default_port);
-  r->subchannel_factory = args->subchannel_factory;
+  r->client_channel_factory = args->client_channel_factory;
   gpr_backoff_init(&r->backoff_state, BACKOFF_MULTIPLIER, BACKOFF_JITTER,
                    BACKOFF_MIN_SECONDS * 1000, BACKOFF_MAX_SECONDS * 1000);
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  grpc_client_channel_factory_ref(r->client_channel_factory);
   r->lb_policy_name = gpr_strdup(lb_policy_name);
   return &r->base;
 }
diff --git a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
index 69595ca..1d54a86 100644
--- a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
+++ b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,17 +31,21 @@
  *
  */
 
-#include <grpc/support/port_platform.h>
-
+#include <stdbool.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
+#include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/lib/client_config/lb_policy_registry.h"
-#include "src/core/lib/client_config/resolver_registry.h"
+#ifdef GPR_HAVE_UNIX_SOCKET
+#include <sys/un.h>
+#endif
+
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/unix_sockets_posix.h"
 #include "src/core/lib/support/string.h"
@@ -52,7 +56,7 @@
   /** refcount */
   gpr_refcount refs;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -125,7 +129,7 @@
     grpc_lb_policy_args lb_policy_args;
     memset(&lb_policy_args, 0, sizeof(lb_policy_args));
     lb_policy_args.addresses = r->addresses;
-    lb_policy_args.subchannel_factory = r->subchannel_factory;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
     grpc_lb_policy *lb_policy =
         grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
     grpc_client_config_set_lb_policy(cfg, lb_policy);
@@ -140,7 +144,7 @@
 static void sockaddr_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   sockaddr_resolver *r = (sockaddr_resolver *)gr;
   gpr_mu_destroy(&r->mu);
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   grpc_resolved_addresses_destroy(r->addresses);
   gpr_free(r->lb_policy_name);
   gpr_free(r);
@@ -162,6 +166,24 @@
   return ip_get_default_authority(uri);
 }
 
+#ifdef GPR_HAVE_UNIX_SOCKET
+static int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr,
+                      size_t *len) {
+  struct sockaddr_un *un = (struct sockaddr_un *)addr;
+
+  un->sun_family = AF_UNIX;
+  strcpy(un->sun_path, uri->path);
+  *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
+
+  return 1;
+}
+
+char *unix_get_default_authority(grpc_resolver_factory *factory,
+                                 grpc_uri *uri) {
+  return gpr_strdup("localhost");
+}
+#endif
+
 static int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr,
                       size_t *len) {
   const char *host_port = uri->path;
@@ -263,22 +285,24 @@
   r = gpr_malloc(sizeof(sockaddr_resolver));
   memset(r, 0, sizeof(*r));
 
-  r->lb_policy_name = NULL;
-  if (0 != strcmp(args->uri->query, "")) {
-    gpr_slice query_slice;
-    gpr_slice_buffer query_parts;
+  r->lb_policy_name =
+      gpr_strdup(grpc_uri_get_query_arg(args->uri, "lb_policy"));
+  const char *lb_enabled_qpart =
+      grpc_uri_get_query_arg(args->uri, "lb_enabled");
+  /* anything other than "0" is interpreted as true */
+  const bool lb_enabled =
+      (lb_enabled_qpart != NULL && (strcmp("0", lb_enabled_qpart) != 0));
 
-    query_slice =
-        gpr_slice_new(args->uri->query, strlen(args->uri->query), do_nothing);
-    gpr_slice_buffer_init(&query_parts);
-    gpr_slice_split(query_slice, "=", &query_parts);
-    GPR_ASSERT(query_parts.count == 2);
-    if (0 == gpr_slice_str_cmp(query_parts.slices[0], "lb_policy")) {
-      r->lb_policy_name = gpr_dump_slice(query_parts.slices[1], GPR_DUMP_ASCII);
-    }
-    gpr_slice_buffer_destroy(&query_parts);
-    gpr_slice_unref(query_slice);
+  if (r->lb_policy_name != NULL && strcmp("grpclb", r->lb_policy_name) == 0 &&
+      !lb_enabled) {
+    /* we want grpclb but the "resolved" addresses aren't LB enabled. Bail
+     * out, as this is meant mostly for tests. */
+    gpr_log(GPR_ERROR,
+            "Requested 'grpclb' LB policy but resolved addresses don't "
+            "support load balancing.");
+    abort();
   }
+
   if (r->lb_policy_name == NULL) {
     r->lb_policy_name = gpr_strdup(default_lb_policy_name);
   }
@@ -318,8 +342,8 @@
   gpr_ref_init(&r->refs, 1);
   gpr_mu_init(&r->mu);
   grpc_resolver_init(&r->base, &sockaddr_resolver_vtable);
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  grpc_client_channel_factory_ref(r->client_channel_factory);
 
   return &r->base;
 }
@@ -332,23 +356,22 @@
 
 static void sockaddr_factory_unref(grpc_resolver_factory *factory) {}
 
-#define DECL_FACTORY(name, prefix)                                          \
+#define DECL_FACTORY(name)                                                  \
   static grpc_resolver *name##_factory_create_resolver(                     \
       grpc_resolver_factory *factory, grpc_resolver_args *args) {           \
-    return sockaddr_create(args, "pick_first", prefix##parse_##name);       \
+    return sockaddr_create(args, "pick_first", parse_##name);               \
   }                                                                         \
   static const grpc_resolver_factory_vtable name##_factory_vtable = {       \
       sockaddr_factory_ref, sockaddr_factory_unref,                         \
-      name##_factory_create_resolver, prefix##name##_get_default_authority, \
-      #name};                                                               \
+      name##_factory_create_resolver, name##_get_default_authority, #name}; \
   static grpc_resolver_factory name##_resolver_factory = {                  \
       &name##_factory_vtable}
 
 #ifdef GPR_HAVE_UNIX_SOCKET
-DECL_FACTORY(unix, grpc_);
+DECL_FACTORY(unix);
 #endif
-DECL_FACTORY(ipv4, );
-DECL_FACTORY(ipv6, );
+DECL_FACTORY(ipv4);
+DECL_FACTORY(ipv6);
 
 void grpc_resolver_sockaddr_init(void) {
   grpc_register_resolver_type(&ipv4_resolver_factory);
diff --git a/src/core/ext/resolver/zookeeper/zookeeper_resolver.c b/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
index 5acb094..898632c 100644
--- a/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
+++ b/src/core/ext/resolver/zookeeper/zookeeper_resolver.c
@@ -39,8 +39,8 @@
 #include <grpc/grpc_zookeeper.h>
 #include <zookeeper/zookeeper.h>
 
-#include "src/core/lib/client_config/lb_policy_registry.h"
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/json/json.h"
 #include "src/core/lib/support/string.h"
@@ -57,7 +57,7 @@
   /** name to resolve */
   char *name;
   /** subchannel factory */
-  grpc_subchannel_factory *subchannel_factory;
+  grpc_client_channel_factory *client_channel_factory;
   /** load balancing policy name */
   char *lb_policy_name;
 
@@ -187,9 +187,8 @@
   if (addresses != NULL) {
     grpc_lb_policy_args lb_policy_args;
     config = grpc_client_config_create();
-
     lb_policy_args.addresses = addresses;
-    lb_policy_args.subchannel_factory = r->subchannel_factory;
+    lb_policy_args.client_channel_factory = r->client_channel_factory;
     lb_policy =
         grpc_lb_policy_create(exec_ctx, r->lb_policy_name, &lb_policy_args);
 
@@ -424,7 +423,7 @@
   if (r->resolved_config != NULL) {
     grpc_client_config_unref(exec_ctx, r->resolved_config);
   }
-  grpc_subchannel_factory_unref(exec_ctx, r->subchannel_factory);
+  grpc_client_channel_factory_unref(exec_ctx, r->client_channel_factory);
   gpr_free(r->name);
   gpr_free(r->lb_policy_name);
   gpr_free(r);
@@ -454,8 +453,8 @@
   grpc_resolver_init(&r->base, &zookeeper_resolver_vtable);
   r->name = gpr_strdup(path);
 
-  r->subchannel_factory = args->subchannel_factory;
-  grpc_subchannel_factory_ref(r->subchannel_factory);
+  r->client_channel_factory = args->client_channel_factory;
+  grpc_client_channel_factory_ref(r->client_channel_factory);
 
   r->lb_policy_name = gpr_strdup(lb_policy_name);
 
diff --git a/src/core/ext/transport/chttp2/alpn/alpn.c b/src/core/ext/transport/chttp2/alpn/alpn.c
new file mode 100644
index 0000000..48b0217
--- /dev/null
+++ b/src/core/ext/transport/chttp2/alpn/alpn.c
@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
+#include <grpc/support/log.h>
+#include <grpc/support/useful.h>
+
+/* in order of preference */
+static const char *const supported_versions[] = {"h2"};
+
+int grpc_chttp2_is_alpn_version_supported(const char *version, size_t size) {
+  size_t i;
+  for (i = 0; i < GPR_ARRAY_SIZE(supported_versions); i++) {
+    if (!strncmp(version, supported_versions[i], size)) return 1;
+  }
+  return 0;
+}
+
+size_t grpc_chttp2_num_alpn_versions(void) {
+  return GPR_ARRAY_SIZE(supported_versions);
+}
+
+const char *grpc_chttp2_get_alpn_version_index(size_t i) {
+  GPR_ASSERT(i < GPR_ARRAY_SIZE(supported_versions));
+  return supported_versions[i];
+}
diff --git a/src/core/ext/transport/chttp2/alpn/alpn.h b/src/core/ext/transport/chttp2/alpn/alpn.h
new file mode 100644
index 0000000..1316770
--- /dev/null
+++ b/src/core/ext/transport/chttp2/alpn/alpn.h
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H
+#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H
+
+#include <string.h>
+
+/* Retuns 1 if the version is supported, 0 otherwise. */
+int grpc_chttp2_is_alpn_version_supported(const char *version, size_t size);
+
+/* Returns the number of protocol versions to advertise */
+size_t grpc_chttp2_num_alpn_versions(void);
+
+/* Returns the protocol version at index i (0 <= i <
+ * grpc_chttp2_num_alpn_versions()) */
+const char *grpc_chttp2_get_alpn_version_index(size_t i);
+
+#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_ALPN_ALPN_H */
diff --git a/src/core/ext/transport/chttp2/client/insecure/channel_create.c b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
index 606fff5..0ed1157 100644
--- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -40,13 +40,12 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/ext/census/grpc_filter.h"
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_args.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/http_client_filter.h"
-#include "src/core/lib/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/tcp_client.h"
 #include "src/core/lib/surface/api_trace.h"
 #include "src/core/lib/surface/channel.h"
@@ -136,31 +135,35 @@
     connector_ref, connector_unref, connector_shutdown, connector_connect};
 
 typedef struct {
-  grpc_subchannel_factory base;
+  grpc_client_channel_factory base;
   gpr_refcount refs;
   grpc_channel_args *merge_args;
   grpc_channel *master;
-} subchannel_factory;
+} client_channel_factory;
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_ref(
+    grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   gpr_ref(&f->refs);
 }
 
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_unref(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   if (gpr_unref(&f->refs)) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
+    if (f->master != NULL) {
+      GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master,
+                                  "client_channel_factory");
+    }
     grpc_channel_args_destroy(f->merge_args);
     gpr_free(f);
   }
 }
 
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
     grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   connector *c = gpr_malloc(sizeof(*c));
   grpc_channel_args *final_args =
       grpc_channel_args_merge(args->args, f->merge_args);
@@ -175,9 +178,33 @@
   return s;
 }
 
-static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
+  grpc_channel_args *final_args = grpc_channel_args_merge(args, f->merge_args);
+  grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args,
+                                              GRPC_CLIENT_CHANNEL, NULL);
+  grpc_channel_args_destroy(final_args);
+  grpc_resolver *resolver = grpc_resolver_create(target, &f->base);
+  if (!resolver) {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel,
+                                "client_channel_factory_create_channel");
+    return NULL;
+  }
+
+  grpc_client_channel_set_resolver(
+      exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+  GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create_channel");
+
+  return channel;
+}
+
+static const grpc_client_channel_factory_vtable client_channel_factory_vtable =
+    {client_channel_factory_ref, client_channel_factory_unref,
+     client_channel_factory_create_subchannel,
+     client_channel_factory_create_channel};
 
 /* Create a client channel:
    Asynchronously: - resolve target
@@ -186,38 +213,27 @@
 grpc_channel *grpc_insecure_channel_create(const char *target,
                                            const grpc_channel_args *args,
                                            void *reserved) {
-  grpc_channel *channel = NULL;
-  grpc_resolver *resolver;
-  subchannel_factory *f;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   GRPC_API_TRACE(
       "grpc_insecure_channel_create(target=%p, args=%p, reserved=%p)", 3,
       (target, args, reserved));
   GPR_ASSERT(!reserved);
 
-  channel =
-      grpc_channel_create(&exec_ctx, target, args, GRPC_CLIENT_CHANNEL, NULL);
-
-  f = gpr_malloc(sizeof(*f));
-  f->base.vtable = &subchannel_factory_vtable;
+  client_channel_factory *f = gpr_malloc(sizeof(*f));
+  memset(f, 0, sizeof(*f));
+  f->base.vtable = &client_channel_factory_vtable;
   gpr_ref_init(&f->refs, 1);
   f->merge_args = grpc_channel_args_copy(args);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(f->master, "subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
-    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, f->master, "subchannel_factory");
-    grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-    grpc_exec_ctx_finish(&exec_ctx);
-    return NULL;
-  }
 
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
+  grpc_channel *channel = client_channel_factory_create_channel(
+      &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
+  if (channel != NULL) {
+    f->master = channel;
+    GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_insecure_channel_create");
+  }
+  grpc_client_channel_factory_unref(&exec_ctx, &f->base);
 
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel;
+  return channel; /* may be NULL */
 }
diff --git a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
index 3465d2b..58af6f9 100644
--- a/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
+++ b/src/core/ext/transport/chttp2/client/secure/secure_channel_create.c
@@ -40,10 +40,10 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
 
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_args.h"
-#include "src/core/lib/channel/client_channel.h"
-#include "src/core/lib/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/tcp_client.h"
 #include "src/core/lib/security/auth_filters.h"
 #include "src/core/lib/security/credentials.h"
@@ -192,34 +192,38 @@
     connector_ref, connector_unref, connector_shutdown, connector_connect};
 
 typedef struct {
-  grpc_subchannel_factory base;
+  grpc_client_channel_factory base;
   gpr_refcount refs;
   grpc_channel_args *merge_args;
   grpc_channel_security_connector *security_connector;
   grpc_channel *master;
-} subchannel_factory;
+} client_channel_factory;
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_ref(
+    grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   gpr_ref(&f->refs);
 }
 
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scf) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+static void client_channel_factory_unref(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   if (gpr_unref(&f->refs)) {
     GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
-                                  "subchannel_factory");
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master, "subchannel_factory");
+                                  "client_channel_factory");
+    if (f->master != NULL) {
+      GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, f->master,
+                                  "client_channel_factory");
+    }
     grpc_channel_args_destroy(f->merge_args);
     gpr_free(f);
   }
 }
 
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *scf,
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
     grpc_subchannel_args *args) {
-  subchannel_factory *f = (subchannel_factory *)scf;
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
   connector *c = gpr_malloc(sizeof(*c));
   grpc_channel_args *final_args =
       grpc_channel_args_merge(args->args, f->merge_args);
@@ -236,9 +240,37 @@
   return s;
 }
 
-static const grpc_subchannel_factory_vtable subchannel_factory_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  client_channel_factory *f = (client_channel_factory *)cc_factory;
+
+  grpc_channel_args *final_args = grpc_channel_args_merge(args, f->merge_args);
+  grpc_channel *channel = grpc_channel_create(exec_ctx, target, final_args,
+                                              GRPC_CLIENT_CHANNEL, NULL);
+  grpc_channel_args_destroy(final_args);
+
+  grpc_resolver *resolver = grpc_resolver_create(target, &f->base);
+  if (resolver != NULL) {
+    grpc_client_channel_set_resolver(
+        exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+    GRPC_RESOLVER_UNREF(exec_ctx, resolver, "create");
+  } else {
+    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, channel,
+                                "client_channel_factory_create_channel");
+    channel = NULL;
+  }
+
+  GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
+                                "client_channel_factory_create_channel");
+  return channel;
+}
+
+static const grpc_client_channel_factory_vtable client_channel_factory_vtable =
+    {client_channel_factory_ref, client_channel_factory_unref,
+     client_channel_factory_create_subchannel,
+     client_channel_factory_create_channel};
 
 /* Create a secure client channel:
    Asynchronously: - resolve target
@@ -248,13 +280,11 @@
                                          const char *target,
                                          const grpc_channel_args *args,
                                          void *reserved) {
-  grpc_channel *channel;
   grpc_arg connector_arg;
   grpc_channel_args *args_copy;
   grpc_channel_args *new_args_from_connector;
   grpc_channel_security_connector *security_connector;
-  grpc_resolver *resolver;
-  subchannel_factory *f;
+  client_channel_factory *f;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
   GRPC_API_TRACE(
@@ -284,35 +314,30 @@
       new_args_from_connector != NULL ? new_args_from_connector : args,
       &connector_arg, 1);
 
-  channel = grpc_channel_create(&exec_ctx, target, args_copy,
-                                GRPC_CLIENT_CHANNEL, NULL);
-
   f = gpr_malloc(sizeof(*f));
-  f->base.vtable = &subchannel_factory_vtable;
+  memset(f, 0, sizeof(*f));
+  f->base.vtable = &client_channel_factory_vtable;
   gpr_ref_init(&f->refs, 1);
-  GRPC_SECURITY_CONNECTOR_REF(&security_connector->base, "subchannel_factory");
-  f->security_connector = security_connector;
+
   f->merge_args = grpc_channel_args_copy(args_copy);
-  f->master = channel;
-  GRPC_CHANNEL_INTERNAL_REF(channel, "subchannel_factory");
-  resolver = grpc_resolver_create(target, &f->base);
-  if (resolver) {
-    grpc_client_channel_set_resolver(
-        &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-    GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
-  }
-  grpc_subchannel_factory_unref(&exec_ctx, &f->base);
-  GRPC_SECURITY_CONNECTOR_UNREF(&security_connector->base, "channel_create");
   grpc_channel_args_destroy(args_copy);
   if (new_args_from_connector != NULL) {
     grpc_channel_args_destroy(new_args_from_connector);
   }
 
-  if (!resolver) {
-    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "subchannel_factory");
-    channel = NULL;
+  GRPC_SECURITY_CONNECTOR_REF(&security_connector->base,
+                              "grpc_secure_channel_create");
+  f->security_connector = security_connector;
+
+  grpc_channel *channel = client_channel_factory_create_channel(
+      &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
+  if (channel != NULL) {
+    f->master = channel;
+    GRPC_CHANNEL_INTERNAL_REF(f->master, "grpc_secure_channel_create");
   }
+
+  grpc_client_channel_factory_unref(&exec_ctx, &f->base);
   grpc_exec_ctx_finish(&exec_ctx);
 
-  return channel;
+  return channel; /* may be NULL */
 }
diff --git a/src/core/ext/transport/chttp2/transport/alpn.c b/src/core/ext/transport/chttp2/transport/alpn.c
deleted file mode 100644
index 4271d08..0000000
--- a/src/core/ext/transport/chttp2/transport/alpn.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/ext/transport/chttp2/transport/alpn.h"
-#include <grpc/support/log.h>
-#include <grpc/support/useful.h>
-
-/* in order of preference */
-static const char *const supported_versions[] = {"h2"};
-
-int grpc_chttp2_is_alpn_version_supported(const char *version, size_t size) {
-  size_t i;
-  for (i = 0; i < GPR_ARRAY_SIZE(supported_versions); i++) {
-    if (!strncmp(version, supported_versions[i], size)) return 1;
-  }
-  return 0;
-}
-
-size_t grpc_chttp2_num_alpn_versions(void) {
-  return GPR_ARRAY_SIZE(supported_versions);
-}
-
-const char *grpc_chttp2_get_alpn_version_index(size_t i) {
-  GPR_ASSERT(i < GPR_ARRAY_SIZE(supported_versions));
-  return supported_versions[i];
-}
diff --git a/src/core/ext/transport/chttp2/transport/alpn.h b/src/core/ext/transport/chttp2/transport/alpn.h
deleted file mode 100644
index 08a6f03..0000000
--- a/src/core/ext/transport/chttp2/transport/alpn.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_ALPN_H
-#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_ALPN_H
-
-#include <string.h>
-
-/* Retuns 1 if the version is supported, 0 otherwise. */
-int grpc_chttp2_is_alpn_version_supported(const char *version, size_t size);
-
-/* Returns the number of protocol versions to advertise */
-size_t grpc_chttp2_num_alpn_versions(void);
-
-/* Returns the protocol version at index i (0 <= i <
- * grpc_chttp2_num_alpn_versions()) */
-const char *grpc_chttp2_get_alpn_version_index(size_t i);
-
-#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_ALPN_H */
diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.c b/src/core/ext/transport/chttp2/transport/bin_encoder.c
index 71c634e..db68e75 100644
--- a/src/core/ext/transport/chttp2/transport/bin_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.c
@@ -175,7 +175,7 @@
   enc_flush_some(out);
 }
 
-gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input) {
+gpr_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(gpr_slice input) {
   size_t input_length = GPR_SLICE_LENGTH(input);
   size_t input_triplets = input_length / 3;
   size_t tail_case = input_length % 3;
diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.h b/src/core/ext/transport/chttp2/transport/bin_encoder.h
index 660f114..61ebbaf 100644
--- a/src/core/ext/transport/chttp2/transport/bin_encoder.h
+++ b/src/core/ext/transport/chttp2/transport/bin_encoder.h
@@ -49,6 +49,6 @@
    gpr_slice y = grpc_chttp2_huffman_compress(x);
    gpr_slice_unref(x);
    return y; */
-gpr_slice grpc_chttp2_base64_encode_and_huffman_compress(gpr_slice input);
+gpr_slice grpc_chttp2_base64_encode_and_huffman_compress_impl(gpr_slice input);
 
 #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_BIN_ENCODER_H */
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_plugin.c b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
new file mode 100644
index 0000000..bd87253
--- /dev/null
+++ b/src/core/ext/transport/chttp2/transport/chttp2_plugin.c
@@ -0,0 +1,46 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/transport/metadata.h"
+
+void grpc_chttp2_plugin_init(void) {
+  grpc_chttp2_base64_encode_and_huffman_compress =
+      grpc_chttp2_base64_encode_and_huffman_compress_impl;
+  grpc_register_tracer("http", &grpc_http_trace);
+  grpc_register_tracer("flowctl", &grpc_flowctl_trace);
+}
+
+void grpc_chttp2_plugin_shutdown(void) {}
diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
index 62f0c53..b4cd185 100644
--- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c
+++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c
@@ -1147,16 +1147,18 @@
                             grpc_chttp2_transport_global *transport_global,
                             grpc_chttp2_stream_global *stream_global,
                             grpc_status_code status) {
-  if (stream_global->id != 0) {
-    gpr_slice_buffer_add(
-        &transport_global->qbuf,
-        grpc_chttp2_rst_stream_create(
-            stream_global->id,
-            (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status),
-            &stream_global->stats.outgoing));
+  if (!stream_global->read_closed || !stream_global->write_closed) {
+    if (stream_global->id != 0) {
+      gpr_slice_buffer_add(
+          &transport_global->qbuf,
+          grpc_chttp2_rst_stream_create(
+              stream_global->id,
+              (uint32_t)grpc_chttp2_grpc_status_to_http2_error(status),
+              &stream_global->stats.outgoing));
+    }
+    grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
+                            NULL);
   }
-  grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
-                          NULL);
   grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1,
                                  1);
 }
diff --git a/src/core/ext/transport/chttp2/transport/frame_data.c b/src/core/ext/transport/chttp2/transport/frame_data.c
index 9c301d1..3a6d80e 100644
--- a/src/core/ext/transport/chttp2/transport/frame_data.c
+++ b/src/core/ext/transport/chttp2/transport/frame_data.c
@@ -159,7 +159,10 @@
   }
 
   switch (p->state) {
-  fh_0:
+    case GRPC_CHTTP2_DATA_ERROR:
+      p->state = GRPC_CHTTP2_DATA_ERROR;
+      return GRPC_CHTTP2_STREAM_ERROR;
+    fh_0:
     case GRPC_CHTTP2_DATA_FH_0:
       stream_parsing->stats.incoming.framing_bytes++;
       p->frame_type = *cur;
@@ -172,6 +175,7 @@
           break;
         default:
           gpr_log(GPR_ERROR, "Bad GRPC frame type 0x%02x", p->frame_type);
+          p->state = GRPC_CHTTP2_DATA_ERROR;
           return GRPC_CHTTP2_STREAM_ERROR;
       }
       if (++cur == end) {
@@ -218,13 +222,11 @@
               message_flags, &p->incoming_frames);
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FRAME:
-      if (cur == end) {
-        grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
-                                                 stream_parsing);
-        return GRPC_CHTTP2_PARSE_OK;
-      }
       grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
                                                stream_parsing);
+      if (cur == end) {
+        return GRPC_CHTTP2_PARSE_OK;
+      }
       uint32_t remaining = (uint32_t)(end - cur);
       if (remaining == p->frame_size) {
         stream_parsing->stats.incoming.data_bytes += p->frame_size;
diff --git a/src/core/ext/transport/chttp2/transport/frame_data.h b/src/core/ext/transport/chttp2/transport/frame_data.h
index 2ff3296..af71f48 100644
--- a/src/core/ext/transport/chttp2/transport/frame_data.h
+++ b/src/core/ext/transport/chttp2/transport/frame_data.h
@@ -49,7 +49,8 @@
   GRPC_CHTTP2_DATA_FH_2,
   GRPC_CHTTP2_DATA_FH_3,
   GRPC_CHTTP2_DATA_FH_4,
-  GRPC_CHTTP2_DATA_FRAME
+  GRPC_CHTTP2_DATA_FRAME,
+  GRPC_CHTTP2_DATA_ERROR
 } grpc_chttp2_stream_state;
 
 typedef struct grpc_chttp2_incoming_byte_stream
diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
index 807cb5c..555027c 100644
--- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c
+++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c
@@ -49,6 +49,7 @@
 #include "src/core/ext/transport/chttp2/transport/hpack_table.h"
 #include "src/core/ext/transport/chttp2/transport/timeout_encoding.h"
 #include "src/core/ext/transport/chttp2/transport/varint.h"
+#include "src/core/lib/transport/metadata.h"
 #include "src/core/lib/transport/static_metadata.h"
 
 #define HASH_FRAGMENT_1(x) ((x)&255)
@@ -182,8 +183,7 @@
   uint32_t key_hash = elem->key->hash;
   uint32_t elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
   uint32_t new_index = c->tail_remote_index + c->table_elems + 1;
-  size_t elem_size = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
-                     GPR_SLICE_LENGTH(elem->value->slice);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
 
   GPR_ASSERT(elem_size < 65536);
 
@@ -399,8 +399,7 @@
   }
 
   /* should this elem be in the table? */
-  decoder_space_usage = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
-                        GPR_SLICE_LENGTH(elem->value->slice);
+  decoder_space_usage = grpc_mdelem_get_size_in_hpack_table(elem);
   should_add_elem = decoder_space_usage < MAX_DECODER_SPACE_USAGE &&
                     c->filter_elems[HASH_FRAGMENT_1(elem_hash)] >=
                         c->filter_elems_sum / ONE_ON_ADD_PROBABILITY;
diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index c754c60..e827a43 100644
--- a/src/core/ext/transport/chttp2/transport/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -112,7 +112,7 @@
      GOAWAY last-grpc_chttp2_stream-id=0 in this case. */
   if (!transport_parsing->is_client) {
     transport_global->last_incoming_stream_id =
-        transport_parsing->incoming_stream_id;
+        transport_parsing->last_incoming_stream_id;
   }
 
   /* update global settings */
@@ -371,7 +371,9 @@
       if (!init_frame_parser(exec_ctx, transport_parsing)) {
         return 0;
       }
-      if (transport_parsing->incoming_stream_id) {
+      if (transport_parsing->incoming_stream_id != 0 &&
+          transport_parsing->incoming_stream_id >
+              transport_parsing->last_incoming_stream_id) {
         transport_parsing->last_incoming_stream_id =
             transport_parsing->incoming_stream_id;
       }
diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c
index b7393b9..28d2d78 100644
--- a/src/core/lib/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -35,7 +35,6 @@
 #include <grpc/grpc.h>
 #include "src/core/lib/support/string.h"
 
-#include <grpc/census.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
@@ -165,17 +164,6 @@
   gpr_free(a);
 }
 
-int grpc_channel_args_is_census_enabled(const grpc_channel_args *a) {
-  size_t i;
-  if (a == NULL) return 0;
-  for (i = 0; i < a->num_args; i++) {
-    if (0 == strcmp(a->args[i].key, GRPC_ARG_ENABLE_CENSUS)) {
-      return a->args[i].value.integer != 0 && census_enabled();
-    }
-  }
-  return census_enabled();
-}
-
 grpc_compression_algorithm grpc_channel_args_get_compression_algorithm(
     const grpc_channel_args *a) {
   size_t i;
diff --git a/src/core/lib/channel/channel_stack_builder.c b/src/core/lib/channel/channel_stack_builder.c
index 1ce0c4e..a8646c9 100644
--- a/src/core/lib/channel/channel_stack_builder.c
+++ b/src/core/lib/channel/channel_stack_builder.c
@@ -36,6 +36,7 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 
 int grpc_trace_channel_stack_builder = 0;
 
@@ -52,8 +53,9 @@
   filter_node begin;
   filter_node end;
   // various set/get-able parameters
-  const grpc_channel_args *args;
+  grpc_channel_args *args;
   grpc_transport *transport;
+  char *target;
   const char *name;
 };
 
@@ -76,6 +78,17 @@
   return b;
 }
 
+void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
+                                           const char *target) {
+  gpr_free(b->target);
+  b->target = gpr_strdup(target);
+}
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b) {
+  return b->target;
+}
+
 static grpc_channel_stack_builder_iterator *create_iterator_at_filter_node(
     grpc_channel_stack_builder *builder, filter_node *node) {
   grpc_channel_stack_builder_iterator *it = gpr_malloc(sizeof(*it));
@@ -126,8 +139,10 @@
 
 void grpc_channel_stack_builder_set_channel_arguments(
     grpc_channel_stack_builder *builder, const grpc_channel_args *args) {
-  GPR_ASSERT(builder->args == NULL);
-  builder->args = args;
+  if (builder->args != NULL) {
+    grpc_channel_args_destroy(builder->args);
+  }
+  builder->args = grpc_channel_args_copy(args);
 }
 
 void grpc_channel_stack_builder_set_transport(
@@ -205,6 +220,10 @@
     gpr_free(p);
     p = next;
   }
+  if (builder->args != NULL) {
+    grpc_channel_args_destroy(builder->args);
+  }
+  gpr_free(builder->target);
   gpr_free(builder);
 }
 
diff --git a/src/core/lib/channel/channel_stack_builder.h b/src/core/lib/channel/channel_stack_builder.h
index 8532c44..0e6bfd9 100644
--- a/src/core/lib/channel/channel_stack_builder.h
+++ b/src/core/lib/channel/channel_stack_builder.h
@@ -52,6 +52,13 @@
 void grpc_channel_stack_builder_set_name(grpc_channel_stack_builder *builder,
                                          const char *name);
 
+/// Set the target uri
+void grpc_channel_stack_builder_set_target(grpc_channel_stack_builder *b,
+                                           const char *target);
+
+const char *grpc_channel_stack_builder_get_target(
+    grpc_channel_stack_builder *b);
+
 /// Attach \a transport to the builder (does not take ownership)
 void grpc_channel_stack_builder_set_transport(
     grpc_channel_stack_builder *builder, grpc_transport *transport);
@@ -60,8 +67,7 @@
 grpc_transport *grpc_channel_stack_builder_get_transport(
     grpc_channel_stack_builder *builder);
 
-/// Set channel arguments: \a args must continue to exist until after
-/// grpc_channel_stack_builder_finish returns
+/// Set channel arguments: copies args
 void grpc_channel_stack_builder_set_channel_arguments(
     grpc_channel_stack_builder *builder, const grpc_channel_args *args);
 
diff --git a/src/core/lib/channel/client_channel.c b/src/core/lib/channel/client_channel.c
deleted file mode 100644
index 3f7cf1c..0000000
--- a/src/core/lib/channel/client_channel.c
+++ /dev/null
@@ -1,526 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/channel/client_channel.h"
-
-#include <stdio.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include <grpc/support/useful.h>
-
-#include "src/core/lib/channel/channel_args.h"
-#include "src/core/lib/channel/connected_channel.h"
-#include "src/core/lib/channel/subchannel_call_holder.h"
-#include "src/core/lib/iomgr/iomgr.h"
-#include "src/core/lib/profiling/timers.h"
-#include "src/core/lib/support/string.h"
-#include "src/core/lib/surface/channel.h"
-#include "src/core/lib/transport/connectivity_state.h"
-
-/* Client channel implementation */
-
-typedef grpc_subchannel_call_holder call_data;
-
-typedef struct client_channel_channel_data {
-  /** resolver for this channel */
-  grpc_resolver *resolver;
-  /** have we started resolving this channel */
-  int started_resolving;
-
-  /** mutex protecting client configuration, including all
-      variables below in this data structure */
-  gpr_mu mu_config;
-  /** currently active load balancer - guarded by mu_config */
-  grpc_lb_policy *lb_policy;
-  /** incoming configuration - set by resolver.next
-      guarded by mu_config */
-  grpc_client_config *incoming_configuration;
-  /** a list of closures that are all waiting for config to come in */
-  grpc_closure_list waiting_for_config_closures;
-  /** resolver callback */
-  grpc_closure on_config_changed;
-  /** connectivity state being tracked */
-  grpc_connectivity_state_tracker state_tracker;
-  /** when an lb_policy arrives, should we try to exit idle */
-  int exit_idle_when_lb_policy_arrives;
-  /** owning stack */
-  grpc_channel_stack *owning_stack;
-  /** interested parties (owned) */
-  grpc_pollset_set *interested_parties;
-} channel_data;
-
-/** We create one watcher for each new lb_policy that is returned from a
-   resolver,
-    to watch for state changes from the lb_policy. When a state change is seen,
-   we
-    update the channel, and create a new watcher */
-typedef struct {
-  channel_data *chand;
-  grpc_closure on_changed;
-  grpc_connectivity_state state;
-  grpc_lb_policy *lb_policy;
-} lb_policy_connectivity_watcher;
-
-typedef struct {
-  grpc_closure closure;
-  grpc_call_element *elem;
-} waiting_call;
-
-static char *cc_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
-  return grpc_subchannel_call_holder_get_peer(exec_ctx, elem->call_data);
-}
-
-static void cc_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                         grpc_call_element *elem,
-                                         grpc_transport_stream_op *op) {
-  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
-  grpc_subchannel_call_holder_perform_op(exec_ctx, elem->call_data, op);
-}
-
-static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
-                            grpc_lb_policy *lb_policy,
-                            grpc_connectivity_state current_state);
-
-static void on_lb_policy_state_changed_locked(
-    grpc_exec_ctx *exec_ctx, lb_policy_connectivity_watcher *w) {
-  grpc_connectivity_state publish_state = w->state;
-  /* check if the notification is for a stale policy */
-  if (w->lb_policy != w->chand->lb_policy) return;
-
-  if (publish_state == GRPC_CHANNEL_FATAL_FAILURE &&
-      w->chand->resolver != NULL) {
-    publish_state = GRPC_CHANNEL_TRANSIENT_FAILURE;
-    grpc_resolver_channel_saw_error(exec_ctx, w->chand->resolver);
-    GRPC_LB_POLICY_UNREF(exec_ctx, w->chand->lb_policy, "channel");
-    w->chand->lb_policy = NULL;
-  }
-  grpc_connectivity_state_set(exec_ctx, &w->chand->state_tracker, publish_state,
-                              "lb_changed");
-  if (w->state != GRPC_CHANNEL_FATAL_FAILURE) {
-    watch_lb_policy(exec_ctx, w->chand, w->lb_policy, w->state);
-  }
-}
-
-static void on_lb_policy_state_changed(grpc_exec_ctx *exec_ctx, void *arg,
-                                       bool iomgr_success) {
-  lb_policy_connectivity_watcher *w = arg;
-
-  gpr_mu_lock(&w->chand->mu_config);
-  on_lb_policy_state_changed_locked(exec_ctx, w);
-  gpr_mu_unlock(&w->chand->mu_config);
-
-  GRPC_CHANNEL_STACK_UNREF(exec_ctx, w->chand->owning_stack, "watch_lb_policy");
-  gpr_free(w);
-}
-
-static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
-                            grpc_lb_policy *lb_policy,
-                            grpc_connectivity_state current_state) {
-  lb_policy_connectivity_watcher *w = gpr_malloc(sizeof(*w));
-  GRPC_CHANNEL_STACK_REF(chand->owning_stack, "watch_lb_policy");
-
-  w->chand = chand;
-  grpc_closure_init(&w->on_changed, on_lb_policy_state_changed, w);
-  w->state = current_state;
-  w->lb_policy = lb_policy;
-  grpc_lb_policy_notify_on_state_change(exec_ctx, lb_policy, &w->state,
-                                        &w->on_changed);
-}
-
-static void cc_on_config_changed(grpc_exec_ctx *exec_ctx, void *arg,
-                                 bool iomgr_success) {
-  channel_data *chand = arg;
-  grpc_lb_policy *lb_policy = NULL;
-  grpc_lb_policy *old_lb_policy;
-  grpc_connectivity_state state = GRPC_CHANNEL_TRANSIENT_FAILURE;
-  int exit_idle = 0;
-
-  if (chand->incoming_configuration != NULL) {
-    lb_policy = grpc_client_config_get_lb_policy(chand->incoming_configuration);
-    if (lb_policy != NULL) {
-      GRPC_LB_POLICY_REF(lb_policy, "channel");
-      GRPC_LB_POLICY_REF(lb_policy, "config_change");
-      state = grpc_lb_policy_check_connectivity(exec_ctx, lb_policy);
-    }
-
-    grpc_client_config_unref(exec_ctx, chand->incoming_configuration);
-  }
-
-  chand->incoming_configuration = NULL;
-
-  if (lb_policy != NULL) {
-    grpc_pollset_set_add_pollset_set(exec_ctx, lb_policy->interested_parties,
-                                     chand->interested_parties);
-  }
-
-  gpr_mu_lock(&chand->mu_config);
-  old_lb_policy = chand->lb_policy;
-  chand->lb_policy = lb_policy;
-  if (lb_policy != NULL || chand->resolver == NULL /* disconnected */) {
-    grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures,
-                               NULL);
-  }
-  if (lb_policy != NULL && chand->exit_idle_when_lb_policy_arrives) {
-    GRPC_LB_POLICY_REF(lb_policy, "exit_idle");
-    exit_idle = 1;
-    chand->exit_idle_when_lb_policy_arrives = 0;
-  }
-
-  if (iomgr_success && chand->resolver) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker, state,
-                                "new_lb+resolver");
-    if (lb_policy != NULL) {
-      watch_lb_policy(exec_ctx, chand, lb_policy, state);
-    }
-    GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
-    grpc_resolver_next(exec_ctx, chand->resolver,
-                       &chand->incoming_configuration,
-                       &chand->on_config_changed);
-    gpr_mu_unlock(&chand->mu_config);
-  } else {
-    if (chand->resolver != NULL) {
-      grpc_resolver_shutdown(exec_ctx, chand->resolver);
-      GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
-      chand->resolver = NULL;
-    }
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "resolver_gone");
-    gpr_mu_unlock(&chand->mu_config);
-  }
-
-  if (exit_idle) {
-    grpc_lb_policy_exit_idle(exec_ctx, lb_policy);
-    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "exit_idle");
-  }
-
-  if (old_lb_policy != NULL) {
-    grpc_pollset_set_del_pollset_set(
-        exec_ctx, old_lb_policy->interested_parties, chand->interested_parties);
-    GRPC_LB_POLICY_UNREF(exec_ctx, old_lb_policy, "channel");
-  }
-
-  if (lb_policy != NULL) {
-    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "config_change");
-  }
-
-  GRPC_CHANNEL_STACK_UNREF(exec_ctx, chand->owning_stack, "resolver");
-}
-
-static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
-                                  grpc_channel_element *elem,
-                                  grpc_transport_op *op) {
-  channel_data *chand = elem->channel_data;
-
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, true, NULL);
-
-  GPR_ASSERT(op->set_accept_stream == false);
-  if (op->bind_pollset != NULL) {
-    grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties,
-                                 op->bind_pollset);
-  }
-
-  gpr_mu_lock(&chand->mu_config);
-  if (op->on_connectivity_state_change != NULL) {
-    grpc_connectivity_state_notify_on_state_change(
-        exec_ctx, &chand->state_tracker, op->connectivity_state,
-        op->on_connectivity_state_change);
-    op->on_connectivity_state_change = NULL;
-    op->connectivity_state = NULL;
-  }
-
-  if (op->send_ping != NULL) {
-    if (chand->lb_policy == NULL) {
-      grpc_exec_ctx_enqueue(exec_ctx, op->send_ping, false, NULL);
-    } else {
-      grpc_lb_policy_ping_one(exec_ctx, chand->lb_policy, op->send_ping);
-      op->bind_pollset = NULL;
-    }
-    op->send_ping = NULL;
-  }
-
-  if (op->disconnect && chand->resolver != NULL) {
-    grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
-                                GRPC_CHANNEL_FATAL_FAILURE, "disconnect");
-    grpc_resolver_shutdown(exec_ctx, chand->resolver);
-    GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
-    chand->resolver = NULL;
-    if (chand->lb_policy != NULL) {
-      grpc_pollset_set_del_pollset_set(exec_ctx,
-                                       chand->lb_policy->interested_parties,
-                                       chand->interested_parties);
-      GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
-      chand->lb_policy = NULL;
-    }
-  }
-  gpr_mu_unlock(&chand->mu_config);
-}
-
-typedef struct {
-  grpc_metadata_batch *initial_metadata;
-  grpc_connected_subchannel **connected_subchannel;
-  grpc_closure *on_ready;
-  grpc_call_element *elem;
-  grpc_closure closure;
-} continue_picking_args;
-
-static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
-                              grpc_metadata_batch *initial_metadata,
-                              grpc_connected_subchannel **connected_subchannel,
-                              grpc_closure *on_ready);
-
-static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  continue_picking_args *cpa = arg;
-  if (!success) {
-    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, false, NULL);
-  } else if (cpa->connected_subchannel == NULL) {
-    /* cancelled, do nothing */
-  } else if (cc_pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
-                                cpa->connected_subchannel, cpa->on_ready)) {
-    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, true, NULL);
-  }
-  gpr_free(cpa);
-}
-
-static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
-                              grpc_metadata_batch *initial_metadata,
-                              grpc_connected_subchannel **connected_subchannel,
-                              grpc_closure *on_ready) {
-  grpc_call_element *elem = elemp;
-  channel_data *chand = elem->channel_data;
-  call_data *calld = elem->call_data;
-  continue_picking_args *cpa;
-  grpc_closure *closure;
-
-  GPR_ASSERT(connected_subchannel);
-
-  gpr_mu_lock(&chand->mu_config);
-  if (initial_metadata == NULL) {
-    if (chand->lb_policy != NULL) {
-      grpc_lb_policy_cancel_pick(exec_ctx, chand->lb_policy,
-                                 connected_subchannel);
-    }
-    for (closure = chand->waiting_for_config_closures.head; closure != NULL;
-         closure = grpc_closure_next(closure)) {
-      cpa = closure->cb_arg;
-      if (cpa->connected_subchannel == connected_subchannel) {
-        cpa->connected_subchannel = NULL;
-        grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, false, NULL);
-      }
-    }
-    gpr_mu_unlock(&chand->mu_config);
-    return 1;
-  }
-  if (chand->lb_policy != NULL) {
-    grpc_lb_policy *lb_policy = chand->lb_policy;
-    int r;
-    GRPC_LB_POLICY_REF(lb_policy, "cc_pick_subchannel");
-    gpr_mu_unlock(&chand->mu_config);
-    r = grpc_lb_policy_pick(exec_ctx, lb_policy, calld->pollset,
-                            initial_metadata, connected_subchannel, on_ready);
-    GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "cc_pick_subchannel");
-    return r;
-  }
-  if (chand->resolver != NULL && !chand->started_resolving) {
-    chand->started_resolving = 1;
-    GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
-    grpc_resolver_next(exec_ctx, chand->resolver,
-                       &chand->incoming_configuration,
-                       &chand->on_config_changed);
-  }
-  cpa = gpr_malloc(sizeof(*cpa));
-  cpa->initial_metadata = initial_metadata;
-  cpa->connected_subchannel = connected_subchannel;
-  cpa->on_ready = on_ready;
-  cpa->elem = elem;
-  grpc_closure_init(&cpa->closure, continue_picking, cpa);
-  grpc_closure_list_add(&chand->waiting_for_config_closures, &cpa->closure, 1);
-  gpr_mu_unlock(&chand->mu_config);
-  return 0;
-}
-
-/* Constructor for call_data */
-static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           grpc_call_element_args *args) {
-  grpc_subchannel_call_holder_init(elem->call_data, cc_pick_subchannel, elem,
-                                   args->call_stack);
-}
-
-/* Destructor for call_data */
-static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_call_element *elem) {
-  grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
-}
-
-/* Constructor for channel_data */
-static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem,
-                              grpc_channel_element_args *args) {
-  channel_data *chand = elem->channel_data;
-
-  memset(chand, 0, sizeof(*chand));
-
-  GPR_ASSERT(args->is_last);
-  GPR_ASSERT(elem->filter == &grpc_client_channel_filter);
-
-  gpr_mu_init(&chand->mu_config);
-  grpc_closure_init(&chand->on_config_changed, cc_on_config_changed, chand);
-  chand->owning_stack = args->channel_stack;
-
-  grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE,
-                               "client_channel");
-  chand->interested_parties = grpc_pollset_set_create();
-}
-
-/* Destructor for channel_data */
-static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
-                                 grpc_channel_element *elem) {
-  channel_data *chand = elem->channel_data;
-
-  if (chand->resolver != NULL) {
-    grpc_resolver_shutdown(exec_ctx, chand->resolver);
-    GRPC_RESOLVER_UNREF(exec_ctx, chand->resolver, "channel");
-  }
-  if (chand->lb_policy != NULL) {
-    grpc_pollset_set_del_pollset_set(exec_ctx,
-                                     chand->lb_policy->interested_parties,
-                                     chand->interested_parties);
-    GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
-  }
-  grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker);
-  grpc_pollset_set_destroy(chand->interested_parties);
-  gpr_mu_destroy(&chand->mu_config);
-}
-
-static void cc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           grpc_pollset *pollset) {
-  call_data *calld = elem->call_data;
-  calld->pollset = pollset;
-}
-
-const grpc_channel_filter grpc_client_channel_filter = {
-    cc_start_transport_stream_op,
-    cc_start_transport_op,
-    sizeof(call_data),
-    init_call_elem,
-    cc_set_pollset,
-    destroy_call_elem,
-    sizeof(channel_data),
-    init_channel_elem,
-    destroy_channel_elem,
-    cc_get_peer,
-    "client-channel",
-};
-
-void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
-                                      grpc_channel_stack *channel_stack,
-                                      grpc_resolver *resolver) {
-  /* post construction initialization: set the transport setup pointer */
-  grpc_channel_element *elem = grpc_channel_stack_last_element(channel_stack);
-  channel_data *chand = elem->channel_data;
-  gpr_mu_lock(&chand->mu_config);
-  GPR_ASSERT(!chand->resolver);
-  chand->resolver = resolver;
-  GRPC_RESOLVER_REF(resolver, "channel");
-  if (!grpc_closure_list_empty(chand->waiting_for_config_closures) ||
-      chand->exit_idle_when_lb_policy_arrives) {
-    chand->started_resolving = 1;
-    GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
-    grpc_resolver_next(exec_ctx, resolver, &chand->incoming_configuration,
-                       &chand->on_config_changed);
-  }
-  gpr_mu_unlock(&chand->mu_config);
-}
-
-grpc_connectivity_state grpc_client_channel_check_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect) {
-  channel_data *chand = elem->channel_data;
-  grpc_connectivity_state out;
-  gpr_mu_lock(&chand->mu_config);
-  out = grpc_connectivity_state_check(&chand->state_tracker);
-  if (out == GRPC_CHANNEL_IDLE && try_to_connect) {
-    if (chand->lb_policy != NULL) {
-      grpc_lb_policy_exit_idle(exec_ctx, chand->lb_policy);
-    } else {
-      chand->exit_idle_when_lb_policy_arrives = 1;
-      if (!chand->started_resolving && chand->resolver != NULL) {
-        GRPC_CHANNEL_STACK_REF(chand->owning_stack, "resolver");
-        chand->started_resolving = 1;
-        grpc_resolver_next(exec_ctx, chand->resolver,
-                           &chand->incoming_configuration,
-                           &chand->on_config_changed);
-      }
-    }
-  }
-  gpr_mu_unlock(&chand->mu_config);
-  return out;
-}
-
-typedef struct {
-  channel_data *chand;
-  grpc_pollset *pollset;
-  grpc_closure *on_complete;
-  grpc_closure my_closure;
-} external_connectivity_watcher;
-
-static void on_external_watch_complete(grpc_exec_ctx *exec_ctx, void *arg,
-                                       bool iomgr_success) {
-  external_connectivity_watcher *w = arg;
-  grpc_closure *follow_up = w->on_complete;
-  grpc_pollset_set_del_pollset(exec_ctx, w->chand->interested_parties,
-                               w->pollset);
-  GRPC_CHANNEL_STACK_UNREF(exec_ctx, w->chand->owning_stack,
-                           "external_connectivity_watcher");
-  gpr_free(w);
-  follow_up->cb(exec_ctx, follow_up->cb_arg, iomgr_success);
-}
-
-void grpc_client_channel_watch_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
-    grpc_connectivity_state *state, grpc_closure *on_complete) {
-  channel_data *chand = elem->channel_data;
-  external_connectivity_watcher *w = gpr_malloc(sizeof(*w));
-  w->chand = chand;
-  w->pollset = pollset;
-  w->on_complete = on_complete;
-  grpc_pollset_set_add_pollset(exec_ctx, chand->interested_parties, pollset);
-  grpc_closure_init(&w->my_closure, on_external_watch_complete, w);
-  GRPC_CHANNEL_STACK_REF(w->chand->owning_stack,
-                         "external_connectivity_watcher");
-  gpr_mu_lock(&chand->mu_config);
-  grpc_connectivity_state_notify_on_state_change(
-      exec_ctx, &chand->state_tracker, state, &w->my_closure);
-  gpr_mu_unlock(&chand->mu_config);
-}
diff --git a/src/core/lib/channel/client_channel.h b/src/core/lib/channel/client_channel.h
deleted file mode 100644
index ac418c8..0000000
--- a/src/core/lib/channel/client_channel.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CHANNEL_CLIENT_CHANNEL_H
-#define GRPC_CORE_LIB_CHANNEL_CLIENT_CHANNEL_H
-
-#include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/client_config/resolver.h"
-
-/* A client channel is a channel that begins disconnected, and can connect
-   to some endpoint on demand. If that endpoint disconnects, it will be
-   connected to again later.
-
-   Calls on a disconnected client channel are queued until a connection is
-   established. */
-
-extern const grpc_channel_filter grpc_client_channel_filter;
-
-/* post-construction initializer to let the client channel know which
-   transport setup it should cancel upon destruction, or initiate when it needs
-   a connection */
-void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,
-                                      grpc_channel_stack *channel_stack,
-                                      grpc_resolver *resolver);
-
-grpc_connectivity_state grpc_client_channel_check_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, int try_to_connect);
-
-void grpc_client_channel_watch_connectivity_state(
-    grpc_exec_ctx *exec_ctx, grpc_channel_element *elem, grpc_pollset *pollset,
-    grpc_connectivity_state *state, grpc_closure *on_complete);
-
-#endif /* GRPC_CORE_LIB_CHANNEL_CLIENT_CHANNEL_H */
diff --git a/src/core/lib/channel/http_client_filter.c b/src/core/lib/channel/http_client_filter.c
index deba23e..211f537 100644
--- a/src/core/lib/channel/http_client_filter.c
+++ b/src/core/lib/channel/http_client_filter.c
@@ -111,10 +111,12 @@
                                elem);
     /* Send : prefixed headers, which have to be before any application
        layer headers. */
-    grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->method,
-                                 op->send_idempotent_request
-                                     ? GRPC_MDELEM_METHOD_PUT
-                                     : GRPC_MDELEM_METHOD_POST);
+    grpc_metadata_batch_add_head(
+        op->send_initial_metadata, &calld->method,
+        op->send_initial_metadata_flags &
+                GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+            ? GRPC_MDELEM_METHOD_PUT
+            : GRPC_MDELEM_METHOD_POST);
     grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->scheme,
                                  channeld->static_scheme);
     grpc_metadata_batch_add_tail(op->send_initial_metadata, &calld->te_trailers,
diff --git a/src/core/lib/channel/subchannel_call_holder.c b/src/core/lib/channel/subchannel_call_holder.c
deleted file mode 100644
index 22f3679..0000000
--- a/src/core/lib/channel/subchannel_call_holder.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/channel/subchannel_call_holder.h"
-
-#include <grpc/support/alloc.h>
-
-#include "src/core/lib/profiling/timers.h"
-
-#define GET_CALL(holder) \
-  ((grpc_subchannel_call *)(gpr_atm_acq_load(&(holder)->subchannel_call)))
-
-#define CANCELLED_CALL ((grpc_subchannel_call *)1)
-
-static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *holder,
-                             bool success);
-static void retry_ops(grpc_exec_ctx *exec_ctx, void *retry_ops_args,
-                      bool success);
-
-static void add_waiting_locked(grpc_subchannel_call_holder *holder,
-                               grpc_transport_stream_op *op);
-static void fail_locked(grpc_exec_ctx *exec_ctx,
-                        grpc_subchannel_call_holder *holder);
-static void retry_waiting_locked(grpc_exec_ctx *exec_ctx,
-                                 grpc_subchannel_call_holder *holder);
-
-void grpc_subchannel_call_holder_init(
-    grpc_subchannel_call_holder *holder,
-    grpc_subchannel_call_holder_pick_subchannel pick_subchannel,
-    void *pick_subchannel_arg, grpc_call_stack *owning_call) {
-  gpr_atm_rel_store(&holder->subchannel_call, 0);
-  holder->pick_subchannel = pick_subchannel;
-  holder->pick_subchannel_arg = pick_subchannel_arg;
-  gpr_mu_init(&holder->mu);
-  holder->connected_subchannel = NULL;
-  holder->waiting_ops = NULL;
-  holder->waiting_ops_count = 0;
-  holder->waiting_ops_capacity = 0;
-  holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
-  holder->owning_call = owning_call;
-}
-
-void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
-                                         grpc_subchannel_call_holder *holder) {
-  grpc_subchannel_call *call = GET_CALL(holder);
-  if (call != NULL && call != CANCELLED_CALL) {
-    GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, call, "holder");
-  }
-  GPR_ASSERT(holder->creation_phase ==
-             GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING);
-  gpr_mu_destroy(&holder->mu);
-  GPR_ASSERT(holder->waiting_ops_count == 0);
-  gpr_free(holder->waiting_ops);
-}
-
-void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
-                                            grpc_subchannel_call_holder *holder,
-                                            grpc_transport_stream_op *op) {
-  /* try to (atomically) get the call */
-  grpc_subchannel_call *call = GET_CALL(holder);
-  GPR_TIMER_BEGIN("grpc_subchannel_call_holder_perform_op", 0);
-  if (call == CANCELLED_CALL) {
-    grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
-    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
-    return;
-  }
-  if (call != NULL) {
-    grpc_subchannel_call_process_op(exec_ctx, call, op);
-    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
-    return;
-  }
-  /* we failed; lock and figure out what to do */
-  gpr_mu_lock(&holder->mu);
-retry:
-  /* need to recheck that another thread hasn't set the call */
-  call = GET_CALL(holder);
-  if (call == CANCELLED_CALL) {
-    gpr_mu_unlock(&holder->mu);
-    grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
-    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
-    return;
-  }
-  if (call != NULL) {
-    gpr_mu_unlock(&holder->mu);
-    grpc_subchannel_call_process_op(exec_ctx, call, op);
-    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
-    return;
-  }
-  /* if this is a cancellation, then we can raise our cancelled flag */
-  if (op->cancel_with_status != GRPC_STATUS_OK) {
-    if (!gpr_atm_rel_cas(&holder->subchannel_call, 0, 1)) {
-      goto retry;
-    } else {
-      switch (holder->creation_phase) {
-        case GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING:
-          fail_locked(exec_ctx, holder);
-          break;
-        case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL:
-          holder->pick_subchannel(exec_ctx, holder->pick_subchannel_arg, NULL,
-                                  &holder->connected_subchannel, NULL);
-          break;
-      }
-      gpr_mu_unlock(&holder->mu);
-      grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
-      GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
-      return;
-    }
-  }
-  /* if we don't have a subchannel, try to get one */
-  if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
-      holder->connected_subchannel == NULL &&
-      op->send_initial_metadata != NULL) {
-    holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL;
-    grpc_closure_init(&holder->next_step, subchannel_ready, holder);
-    GRPC_CALL_STACK_REF(holder->owning_call, "pick_subchannel");
-    if (holder->pick_subchannel(
-            exec_ctx, holder->pick_subchannel_arg, op->send_initial_metadata,
-            &holder->connected_subchannel, &holder->next_step)) {
-      holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
-      GRPC_CALL_STACK_UNREF(exec_ctx, holder->owning_call, "pick_subchannel");
-    }
-  }
-  /* if we've got a subchannel, then let's ask it to create a call */
-  if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
-      holder->connected_subchannel != NULL) {
-    gpr_atm_rel_store(
-        &holder->subchannel_call,
-        (gpr_atm)(uintptr_t)grpc_connected_subchannel_create_call(
-            exec_ctx, holder->connected_subchannel, holder->pollset));
-    retry_waiting_locked(exec_ctx, holder);
-    goto retry;
-  }
-  /* nothing to be done but wait */
-  add_waiting_locked(holder, op);
-  gpr_mu_unlock(&holder->mu);
-  GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
-}
-
-static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
-  grpc_subchannel_call_holder *holder = arg;
-  gpr_mu_lock(&holder->mu);
-  GPR_ASSERT(holder->creation_phase ==
-             GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL);
-  holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
-  if (holder->connected_subchannel == NULL) {
-    fail_locked(exec_ctx, holder);
-  } else if (1 == gpr_atm_acq_load(&holder->subchannel_call)) {
-    /* already cancelled before subchannel became ready */
-    fail_locked(exec_ctx, holder);
-  } else {
-    gpr_atm_rel_store(
-        &holder->subchannel_call,
-        (gpr_atm)(uintptr_t)grpc_connected_subchannel_create_call(
-            exec_ctx, holder->connected_subchannel, holder->pollset));
-    retry_waiting_locked(exec_ctx, holder);
-  }
-  gpr_mu_unlock(&holder->mu);
-  GRPC_CALL_STACK_UNREF(exec_ctx, holder->owning_call, "pick_subchannel");
-}
-
-typedef struct {
-  grpc_transport_stream_op *ops;
-  size_t nops;
-  grpc_subchannel_call *call;
-} retry_ops_args;
-
-static void retry_waiting_locked(grpc_exec_ctx *exec_ctx,
-                                 grpc_subchannel_call_holder *holder) {
-  retry_ops_args *a = gpr_malloc(sizeof(*a));
-  a->ops = holder->waiting_ops;
-  a->nops = holder->waiting_ops_count;
-  a->call = GET_CALL(holder);
-  if (a->call == CANCELLED_CALL) {
-    gpr_free(a);
-    fail_locked(exec_ctx, holder);
-    return;
-  }
-  holder->waiting_ops = NULL;
-  holder->waiting_ops_count = 0;
-  holder->waiting_ops_capacity = 0;
-  GRPC_SUBCHANNEL_CALL_REF(a->call, "retry_ops");
-  grpc_exec_ctx_enqueue(exec_ctx, grpc_closure_create(retry_ops, a), true,
-                        NULL);
-}
-
-static void retry_ops(grpc_exec_ctx *exec_ctx, void *args, bool success) {
-  retry_ops_args *a = args;
-  size_t i;
-  for (i = 0; i < a->nops; i++) {
-    grpc_subchannel_call_process_op(exec_ctx, a->call, &a->ops[i]);
-  }
-  GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, a->call, "retry_ops");
-  gpr_free(a->ops);
-  gpr_free(a);
-}
-
-static void add_waiting_locked(grpc_subchannel_call_holder *holder,
-                               grpc_transport_stream_op *op) {
-  GPR_TIMER_BEGIN("add_waiting_locked", 0);
-  if (holder->waiting_ops_count == holder->waiting_ops_capacity) {
-    holder->waiting_ops_capacity = GPR_MAX(3, 2 * holder->waiting_ops_capacity);
-    holder->waiting_ops =
-        gpr_realloc(holder->waiting_ops, holder->waiting_ops_capacity *
-                                             sizeof(*holder->waiting_ops));
-  }
-  holder->waiting_ops[holder->waiting_ops_count++] = *op;
-  GPR_TIMER_END("add_waiting_locked", 0);
-}
-
-static void fail_locked(grpc_exec_ctx *exec_ctx,
-                        grpc_subchannel_call_holder *holder) {
-  size_t i;
-  for (i = 0; i < holder->waiting_ops_count; i++) {
-    grpc_transport_stream_op_finish_with_failure(exec_ctx,
-                                                 &holder->waiting_ops[i]);
-  }
-  holder->waiting_ops_count = 0;
-}
-
-char *grpc_subchannel_call_holder_get_peer(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_call_holder *holder) {
-  grpc_subchannel_call *subchannel_call = GET_CALL(holder);
-
-  if (subchannel_call) {
-    return grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
-  } else {
-    return NULL;
-  }
-}
diff --git a/src/core/lib/channel/subchannel_call_holder.h b/src/core/lib/channel/subchannel_call_holder.h
deleted file mode 100644
index 5cf291a..0000000
--- a/src/core/lib/channel/subchannel_call_holder.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
-#define GRPC_CORE_LIB_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
-
-#include "src/core/lib/client_config/subchannel.h"
-
-/** Pick a subchannel for grpc_subchannel_call_holder;
-    Return 1 if subchannel is available immediately (in which case on_ready
-    should not be called), or 0 otherwise (in which case on_ready should be
-    called when the subchannel is available) */
-typedef int (*grpc_subchannel_call_holder_pick_subchannel)(
-    grpc_exec_ctx *exec_ctx, void *arg, grpc_metadata_batch *initial_metadata,
-    grpc_connected_subchannel **connected_subchannel, grpc_closure *on_ready);
-
-typedef enum {
-  GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING,
-  GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL
-} grpc_subchannel_call_holder_creation_phase;
-
-/** Wrapper for holding a pointer to grpc_subchannel_call, and the
-    associated machinery to create such a pointer.
-    Handles queueing of stream ops until a call object is ready, waiting
-    for initial metadata before trying to create a call object,
-    and handling cancellation gracefully.
-
-    The channel filter uses this as their call_data. */
-typedef struct grpc_subchannel_call_holder {
-  /** either 0 for no call, 1 for cancelled, or a pointer to a
-      grpc_subchannel_call */
-  gpr_atm subchannel_call;
-  /** Helper function to choose the subchannel on which to create
-      the call object. Channel filter delegates to the load
-      balancing policy (once it's ready). */
-  grpc_subchannel_call_holder_pick_subchannel pick_subchannel;
-  void *pick_subchannel_arg;
-
-  gpr_mu mu;
-
-  grpc_subchannel_call_holder_creation_phase creation_phase;
-  grpc_connected_subchannel *connected_subchannel;
-  grpc_pollset *pollset;
-
-  grpc_transport_stream_op *waiting_ops;
-  size_t waiting_ops_count;
-  size_t waiting_ops_capacity;
-
-  grpc_closure next_step;
-
-  grpc_call_stack *owning_call;
-} grpc_subchannel_call_holder;
-
-void grpc_subchannel_call_holder_init(
-    grpc_subchannel_call_holder *holder,
-    grpc_subchannel_call_holder_pick_subchannel pick_subchannel,
-    void *pick_subchannel_arg, grpc_call_stack *owning_call);
-void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
-                                         grpc_subchannel_call_holder *holder);
-
-void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
-                                            grpc_subchannel_call_holder *holder,
-                                            grpc_transport_stream_op *op);
-char *grpc_subchannel_call_holder_get_peer(grpc_exec_ctx *exec_ctx,
-                                           grpc_subchannel_call_holder *holder);
-
-#endif /* GRPC_CORE_LIB_CHANNEL_SUBCHANNEL_CALL_HOLDER_H */
diff --git a/src/core/lib/client_config/README.md b/src/core/lib/client_config/README.md
deleted file mode 100644
index fff7a5a..0000000
--- a/src/core/lib/client_config/README.md
+++ /dev/null
@@ -1,66 +0,0 @@
-Client Configuration Support for GRPC
-=====================================
-
-This library provides high level configuration machinery to construct client
-channels and load balance between them.
-
-Each grpc_channel is created with a grpc_resolver. It is the resolver's duty
-to resolve a name into configuration data for the channel. Such configuration
-data might include:
-
-- a list of (ip, port) addresses to connect to
-- a load balancing policy to decide which server to send a request to
-- a set of filters to mutate outgoing requests (say, by adding metadata)
-
-The resolver provides this data as a stream of grpc_client_config objects to
-the channel. We represent configuration as a stream so that it can be changed
-by the resolver during execution, by reacting to external events (such as a
-new configuration file being pushed to some store).
-
-
-Load Balancing
---------------
-
-Load balancing configuration is provided by a grpc_lb_policy object, stored as
-part of grpc_client_config.
-
-The primary job of the load balancing policies is to pick a target server given only the
-initial metadata for a request. It does this by providing a grpc_subchannel
-object to the owning channel.
-
-
-Sub-Channels
-------------
-
-A sub-channel provides a connection to a server for a client channel. It has a
-connectivity state like a regular channel, and so can be connected or
-disconnected. This connectivity state can be used to inform load balancing
-decisions (for example, by avoiding disconnected backends).
-
-Configured sub-channels are fully setup to participate in the grpc data plane.
-Their behavior is specified by a set of grpc channel filters defined at their
-construction. To customize this behavior, resolvers build
-grpc_subchannel_factory objects, which use the decorator pattern to customize
-construction arguments for concrete grpc_subchannel instances.
-
-
-Naming for GRPC
-===============
-
-Names in GRPC are represented by a URI (as defined in
-[RFC 3986](https://tools.ietf.org/html/rfc3986)).
-
-The following schemes are currently supported:
-
-dns:///host:port - dns schemes are currently supported so long as authority is
-                   empty (authority based dns resolution is expected in a future
-                   release)
-
-unix:path        - the unix scheme is used to create and connect to unix domain
-                   sockets - the authority must be empty, and the path
-                   represents the absolute or relative path to the desired
-                   socket
-
-ipv4:host:port   - a pre-resolved ipv4 dotted decimal address/port combination
-
-ipv6:[host]:port - a pre-resolved ipv6 address/port combination
diff --git a/src/core/lib/client_config/client_config.c b/src/core/lib/client_config/client_config.c
deleted file mode 100644
index 2521023..0000000
--- a/src/core/lib/client_config/client_config.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/client_config.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-
-struct grpc_client_config {
-  gpr_refcount refs;
-  grpc_lb_policy *lb_policy;
-};
-
-grpc_client_config *grpc_client_config_create() {
-  grpc_client_config *c = gpr_malloc(sizeof(*c));
-  memset(c, 0, sizeof(*c));
-  gpr_ref_init(&c->refs, 1);
-  return c;
-}
-
-void grpc_client_config_ref(grpc_client_config *c) { gpr_ref(&c->refs); }
-
-void grpc_client_config_unref(grpc_exec_ctx *exec_ctx, grpc_client_config *c) {
-  if (gpr_unref(&c->refs)) {
-    if (c->lb_policy != NULL) {
-      GRPC_LB_POLICY_UNREF(exec_ctx, c->lb_policy, "client_config");
-    }
-    gpr_free(c);
-  }
-}
-
-void grpc_client_config_set_lb_policy(grpc_client_config *c,
-                                      grpc_lb_policy *lb_policy) {
-  GPR_ASSERT(c->lb_policy == NULL);
-  if (lb_policy) {
-    GRPC_LB_POLICY_REF(lb_policy, "client_config");
-  }
-  c->lb_policy = lb_policy;
-}
-
-grpc_lb_policy *grpc_client_config_get_lb_policy(grpc_client_config *c) {
-  return c->lb_policy;
-}
diff --git a/src/core/lib/client_config/client_config.h b/src/core/lib/client_config/client_config.h
deleted file mode 100644
index 8dc2f6b..0000000
--- a/src/core/lib/client_config/client_config.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_CLIENT_CONFIG_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_CLIENT_CONFIG_H
-
-#include "src/core/lib/client_config/lb_policy.h"
-
-/** Total configuration for a client. Provided, and updated, by
-    grpc_resolver */
-typedef struct grpc_client_config grpc_client_config;
-
-grpc_client_config *grpc_client_config_create();
-void grpc_client_config_ref(grpc_client_config *client_config);
-void grpc_client_config_unref(grpc_exec_ctx *exec_ctx,
-                              grpc_client_config *client_config);
-
-void grpc_client_config_set_lb_policy(grpc_client_config *client_config,
-                                      grpc_lb_policy *lb_policy);
-grpc_lb_policy *grpc_client_config_get_lb_policy(
-    grpc_client_config *client_config);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_CLIENT_CONFIG_H */
diff --git a/src/core/lib/client_config/connector.c b/src/core/lib/client_config/connector.c
deleted file mode 100644
index 4c7b823..0000000
--- a/src/core/lib/client_config/connector.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/connector.h"
-
-grpc_connector* grpc_connector_ref(grpc_connector* connector) {
-  connector->vtable->ref(connector);
-  return connector;
-}
-
-void grpc_connector_unref(grpc_exec_ctx* exec_ctx, grpc_connector* connector) {
-  connector->vtable->unref(exec_ctx, connector);
-}
-
-void grpc_connector_connect(grpc_exec_ctx* exec_ctx, grpc_connector* connector,
-                            const grpc_connect_in_args* in_args,
-                            grpc_connect_out_args* out_args,
-                            grpc_closure* notify) {
-  connector->vtable->connect(exec_ctx, connector, in_args, out_args, notify);
-}
-
-void grpc_connector_shutdown(grpc_exec_ctx* exec_ctx,
-                             grpc_connector* connector) {
-  connector->vtable->shutdown(exec_ctx, connector);
-}
diff --git a/src/core/lib/client_config/connector.h b/src/core/lib/client_config/connector.h
deleted file mode 100644
index 39870a2..0000000
--- a/src/core/lib/client_config/connector.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_CONNECTOR_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_CONNECTOR_H
-
-#include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/iomgr/sockaddr.h"
-#include "src/core/lib/transport/transport.h"
-
-typedef struct grpc_connector grpc_connector;
-typedef struct grpc_connector_vtable grpc_connector_vtable;
-
-struct grpc_connector {
-  const grpc_connector_vtable *vtable;
-};
-
-typedef struct {
-  /** set of pollsets interested in this connection */
-  grpc_pollset_set *interested_parties;
-  /** address to connect to */
-  const struct sockaddr *addr;
-  size_t addr_len;
-  /** initial connect string to send */
-  gpr_slice initial_connect_string;
-  /** deadline for connection */
-  gpr_timespec deadline;
-  /** channel arguments (to be passed to transport) */
-  const grpc_channel_args *channel_args;
-} grpc_connect_in_args;
-
-typedef struct {
-  /** the connected transport */
-  grpc_transport *transport;
-
-  /** channel arguments (to be passed to the filters) */
-  const grpc_channel_args *channel_args;
-} grpc_connect_out_args;
-
-struct grpc_connector_vtable {
-  void (*ref)(grpc_connector *connector);
-  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_connector *connector);
-  /** Implementation of grpc_connector_shutdown */
-  void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_connector *connector);
-  /** Implementation of grpc_connector_connect */
-  void (*connect)(grpc_exec_ctx *exec_ctx, grpc_connector *connector,
-                  const grpc_connect_in_args *in_args,
-                  grpc_connect_out_args *out_args, grpc_closure *notify);
-};
-
-grpc_connector *grpc_connector_ref(grpc_connector *connector);
-void grpc_connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *connector);
-/** Connect using the connector: max one outstanding call at a time */
-void grpc_connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *connector,
-                            const grpc_connect_in_args *in_args,
-                            grpc_connect_out_args *out_args,
-                            grpc_closure *notify);
-/** Cancel any pending connection */
-void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx,
-                             grpc_connector *connector);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_CONNECTOR_H */
diff --git a/src/core/lib/client_config/initial_connect_string.c b/src/core/lib/client_config/initial_connect_string.c
deleted file mode 100644
index 4034ea2..0000000
--- a/src/core/lib/client_config/initial_connect_string.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/initial_connect_string.h"
-
-#include <stddef.h>
-
-extern void grpc_set_default_initial_connect_string(struct sockaddr **addr,
-                                                    size_t *addr_len,
-                                                    gpr_slice *initial_str);
-
-static grpc_set_initial_connect_string_func g_set_initial_connect_string_func =
-    grpc_set_default_initial_connect_string;
-
-void grpc_test_set_initial_connect_string_function(
-    grpc_set_initial_connect_string_func func) {
-  g_set_initial_connect_string_func = func;
-}
-
-void grpc_set_initial_connect_string(struct sockaddr **addr, size_t *addr_len,
-                                     gpr_slice *initial_str) {
-  g_set_initial_connect_string_func(addr, addr_len, initial_str);
-}
diff --git a/src/core/lib/client_config/initial_connect_string.h b/src/core/lib/client_config/initial_connect_string.h
deleted file mode 100644
index 5130276..0000000
--- a/src/core/lib/client_config/initial_connect_string.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
-
-#include <grpc/support/slice.h>
-#include "src/core/lib/iomgr/sockaddr.h"
-
-typedef void (*grpc_set_initial_connect_string_func)(struct sockaddr **addr,
-                                                     size_t *addr_len,
-                                                     gpr_slice *initial_str);
-void grpc_test_set_initial_connect_string_function(
-    grpc_set_initial_connect_string_func func);
-
-/** Set a string to be sent once connected. Optionally reset addr. */
-void grpc_set_initial_connect_string(struct sockaddr **addr, size_t *addr_len,
-                                     gpr_slice *connect_string);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H */
diff --git a/src/core/lib/client_config/lb_policy.c b/src/core/lib/client_config/lb_policy.c
deleted file mode 100644
index 3d23669..0000000
--- a/src/core/lib/client_config/lb_policy.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/lb_policy.h"
-
-#define WEAK_REF_BITS 16
-
-void grpc_lb_policy_init(grpc_lb_policy *policy,
-                         const grpc_lb_policy_vtable *vtable) {
-  policy->vtable = vtable;
-  gpr_atm_no_barrier_store(&policy->ref_pair, 1 << WEAK_REF_BITS);
-  policy->interested_parties = grpc_pollset_set_create();
-}
-
-#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
-#define REF_FUNC_EXTRA_ARGS , const char *file, int line, const char *reason
-#define REF_MUTATE_EXTRA_ARGS REF_FUNC_EXTRA_ARGS, const char *purpose
-#define REF_FUNC_PASS_ARGS(new_reason) , file, line, new_reason
-#define REF_MUTATE_PASS_ARGS(purpose) , file, line, reason, purpose
-#else
-#define REF_FUNC_EXTRA_ARGS
-#define REF_MUTATE_EXTRA_ARGS
-#define REF_FUNC_PASS_ARGS(new_reason)
-#define REF_MUTATE_PASS_ARGS(x)
-#endif
-
-static gpr_atm ref_mutate(grpc_lb_policy *c, gpr_atm delta,
-                          int barrier REF_MUTATE_EXTRA_ARGS) {
-  gpr_atm old_val = barrier ? gpr_atm_full_fetch_add(&c->ref_pair, delta)
-                            : gpr_atm_no_barrier_fetch_add(&c->ref_pair, delta);
-#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
-  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
-          "LB_POLICY: %p % 12s 0x%08x -> 0x%08x [%s]", c, purpose, old_val,
-          old_val + delta, reason);
-#endif
-  return old_val;
-}
-
-void grpc_lb_policy_ref(grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
-  ref_mutate(policy, 1 << WEAK_REF_BITS, 0 REF_MUTATE_PASS_ARGS("STRONG_REF"));
-}
-
-void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx,
-                          grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
-  gpr_atm old_val =
-      ref_mutate(policy, (gpr_atm)1 - (gpr_atm)(1 << WEAK_REF_BITS),
-                 1 REF_MUTATE_PASS_ARGS("STRONG_UNREF"));
-  gpr_atm mask = ~(gpr_atm)((1 << WEAK_REF_BITS) - 1);
-  gpr_atm check = 1 << WEAK_REF_BITS;
-  if ((old_val & mask) == check) {
-    policy->vtable->shutdown(exec_ctx, policy);
-  }
-  grpc_lb_policy_weak_unref(exec_ctx,
-                            policy REF_FUNC_PASS_ARGS("strong-unref"));
-}
-
-void grpc_lb_policy_weak_ref(grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
-  ref_mutate(policy, 1, 0 REF_MUTATE_PASS_ARGS("WEAK_REF"));
-}
-
-void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx,
-                               grpc_lb_policy *policy REF_FUNC_EXTRA_ARGS) {
-  gpr_atm old_val =
-      ref_mutate(policy, -(gpr_atm)1, 1 REF_MUTATE_PASS_ARGS("WEAK_UNREF"));
-  if (old_val == 1) {
-    grpc_pollset_set_destroy(policy->interested_parties);
-    policy->vtable->destroy(exec_ctx, policy);
-  }
-}
-
-int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                        grpc_pollset *pollset,
-                        grpc_metadata_batch *initial_metadata,
-                        grpc_connected_subchannel **target,
-                        grpc_closure *on_complete) {
-  return policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata,
-                              target, on_complete);
-}
-
-void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                                grpc_connected_subchannel **target) {
-  policy->vtable->cancel_pick(exec_ctx, policy, target);
-}
-
-void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
-  policy->vtable->exit_idle(exec_ctx, policy);
-}
-
-void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                             grpc_closure *closure) {
-  policy->vtable->ping_one(exec_ctx, policy, closure);
-}
-
-void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
-                                           grpc_lb_policy *policy,
-                                           grpc_connectivity_state *state,
-                                           grpc_closure *closure) {
-  policy->vtable->notify_on_state_change(exec_ctx, policy, state, closure);
-}
-
-grpc_connectivity_state grpc_lb_policy_check_connectivity(
-    grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
-  return policy->vtable->check_connectivity(exec_ctx, policy);
-}
diff --git a/src/core/lib/client_config/lb_policy.h b/src/core/lib/client_config/lb_policy.h
deleted file mode 100644
index a63e8e6..0000000
--- a/src/core/lib/client_config/lb_policy.h
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_H
-
-#include "src/core/lib/client_config/subchannel.h"
-#include "src/core/lib/transport/connectivity_state.h"
-
-/** A load balancing policy: specified by a vtable and a struct (which
-    is expected to be extended to contain some parameters) */
-typedef struct grpc_lb_policy grpc_lb_policy;
-typedef struct grpc_lb_policy_vtable grpc_lb_policy_vtable;
-
-typedef void (*grpc_lb_completion)(void *cb_arg, grpc_subchannel *subchannel,
-                                   grpc_status_code status, const char *errmsg);
-
-struct grpc_lb_policy {
-  const grpc_lb_policy_vtable *vtable;
-  gpr_atm ref_pair;
-  /* owned pointer to interested parties in load balancing decisions */
-  grpc_pollset_set *interested_parties;
-};
-
-struct grpc_lb_policy_vtable {
-  void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-
-  void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-
-  /** implement grpc_lb_policy_pick */
-  int (*pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-              grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
-              grpc_connected_subchannel **target, grpc_closure *on_complete);
-  void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                      grpc_connected_subchannel **target);
-
-  void (*ping_one)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                   grpc_closure *closure);
-
-  /** try to enter a READY connectivity state */
-  void (*exit_idle)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-
-  /** check the current connectivity of the lb_policy */
-  grpc_connectivity_state (*check_connectivity)(grpc_exec_ctx *exec_ctx,
-                                                grpc_lb_policy *policy);
-
-  /** call notify when the connectivity state of a channel changes from *state.
-      Updates *state with the new state of the policy */
-  void (*notify_on_state_change)(grpc_exec_ctx *exec_ctx,
-                                 grpc_lb_policy *policy,
-                                 grpc_connectivity_state *state,
-                                 grpc_closure *closure);
-};
-
-/*#define GRPC_LB_POLICY_REFCOUNT_DEBUG*/
-#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
-#define GRPC_LB_POLICY_REF(p, r) \
-  grpc_lb_policy_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_LB_POLICY_UNREF(exec_ctx, p, r) \
-  grpc_lb_policy_unref((exec_ctx), (p), __FILE__, __LINE__, (r))
-#define GRPC_LB_POLICY_WEAK_REF(p, r) \
-  grpc_lb_policy_weak_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, p, r) \
-  grpc_lb_policy_weak_unref((exec_ctx), (p), __FILE__, __LINE__, (r))
-void grpc_lb_policy_ref(grpc_lb_policy *policy, const char *file, int line,
-                        const char *reason);
-void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                          const char *file, int line, const char *reason);
-void grpc_lb_policy_weak_ref(grpc_lb_policy *policy, const char *file, int line,
-                             const char *reason);
-void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                               const char *file, int line, const char *reason);
-#else
-#define GRPC_LB_POLICY_REF(p, r) grpc_lb_policy_ref((p))
-#define GRPC_LB_POLICY_UNREF(cl, p, r) grpc_lb_policy_unref((cl), (p))
-#define GRPC_LB_POLICY_WEAK_REF(p, r) grpc_lb_policy_weak_ref((p))
-#define GRPC_LB_POLICY_WEAK_UNREF(cl, p, r) grpc_lb_policy_weak_unref((cl), (p))
-void grpc_lb_policy_ref(grpc_lb_policy *policy);
-void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-void grpc_lb_policy_weak_ref(grpc_lb_policy *policy);
-void grpc_lb_policy_weak_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-#endif
-
-/** called by concrete implementations to initialize the base struct */
-void grpc_lb_policy_init(grpc_lb_policy *policy,
-                         const grpc_lb_policy_vtable *vtable);
-
-/** Given initial metadata in \a initial_metadata, find an appropriate
-    target for this rpc, and 'return' it by calling \a on_complete after setting
-    \a target.
-    Picking can be asynchronous. Any IO should be done under \a pollset. */
-int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                        grpc_pollset *pollset,
-                        grpc_metadata_batch *initial_metadata,
-                        grpc_connected_subchannel **target,
-                        grpc_closure *on_complete);
-
-void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                             grpc_closure *closure);
-
-void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                                grpc_connected_subchannel **target);
-
-void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-
-void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
-                                           grpc_lb_policy *policy,
-                                           grpc_connectivity_state *state,
-                                           grpc_closure *closure);
-
-grpc_connectivity_state grpc_lb_policy_check_connectivity(
-    grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_H */
diff --git a/src/core/lib/client_config/lb_policy_factory.c b/src/core/lib/client_config/lb_policy_factory.c
deleted file mode 100644
index 92e1f5f..0000000
--- a/src/core/lib/client_config/lb_policy_factory.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/lb_policy_factory.h"
-
-void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) {
-  factory->vtable->ref(factory);
-}
-
-void grpc_lb_policy_factory_unref(grpc_lb_policy_factory* factory) {
-  factory->vtable->unref(factory);
-}
-
-grpc_lb_policy* grpc_lb_policy_factory_create_lb_policy(
-    grpc_exec_ctx* exec_ctx, grpc_lb_policy_factory* factory,
-    grpc_lb_policy_args* args) {
-  if (factory == NULL) return NULL;
-  return factory->vtable->create_lb_policy(exec_ctx, factory, args);
-}
diff --git a/src/core/lib/client_config/lb_policy_factory.h b/src/core/lib/client_config/lb_policy_factory.h
deleted file mode 100644
index 6f21912..0000000
--- a/src/core/lib/client_config/lb_policy_factory.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_FACTORY_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_FACTORY_H
-
-#include "src/core/lib/client_config/lb_policy.h"
-#include "src/core/lib/client_config/subchannel_factory.h"
-#include "src/core/lib/iomgr/resolve_address.h"
-
-#include "src/core/lib/iomgr/exec_ctx.h"
-
-typedef struct grpc_lb_policy_factory grpc_lb_policy_factory;
-typedef struct grpc_lb_policy_factory_vtable grpc_lb_policy_factory_vtable;
-
-/** grpc_lb_policy provides grpc_client_config objects to grpc_channel
-    objects */
-struct grpc_lb_policy_factory {
-  const grpc_lb_policy_factory_vtable *vtable;
-};
-
-typedef struct grpc_lb_policy_args {
-  grpc_resolved_addresses *addresses;
-  grpc_subchannel_factory *subchannel_factory;
-} grpc_lb_policy_args;
-
-struct grpc_lb_policy_factory_vtable {
-  void (*ref)(grpc_lb_policy_factory *factory);
-  void (*unref)(grpc_lb_policy_factory *factory);
-
-  /** Implementation of grpc_lb_policy_factory_create_lb_policy */
-  grpc_lb_policy *(*create_lb_policy)(grpc_exec_ctx *exec_ctx,
-                                      grpc_lb_policy_factory *factory,
-                                      grpc_lb_policy_args *args);
-
-  /** Name for the LB policy this factory implements */
-  const char *name;
-};
-
-void grpc_lb_policy_factory_ref(grpc_lb_policy_factory *factory);
-void grpc_lb_policy_factory_unref(grpc_lb_policy_factory *factory);
-
-/** Create a lb_policy instance. */
-grpc_lb_policy *grpc_lb_policy_factory_create_lb_policy(
-    grpc_exec_ctx *exec_ctx, grpc_lb_policy_factory *factory,
-    grpc_lb_policy_args *args);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_FACTORY_H */
diff --git a/src/core/lib/client_config/lb_policy_registry.c b/src/core/lib/client_config/lb_policy_registry.c
deleted file mode 100644
index af39636..0000000
--- a/src/core/lib/client_config/lb_policy_registry.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/lb_policy_registry.h"
-
-#include <string.h>
-
-#define MAX_POLICIES 10
-
-static grpc_lb_policy_factory *g_all_of_the_lb_policies[MAX_POLICIES];
-static int g_number_of_lb_policies = 0;
-
-void grpc_lb_policy_registry_init(void) { g_number_of_lb_policies = 0; }
-
-void grpc_lb_policy_registry_shutdown(void) {
-  int i;
-  for (i = 0; i < g_number_of_lb_policies; i++) {
-    grpc_lb_policy_factory_unref(g_all_of_the_lb_policies[i]);
-  }
-}
-
-void grpc_register_lb_policy(grpc_lb_policy_factory *factory) {
-  int i;
-  for (i = 0; i < g_number_of_lb_policies; i++) {
-    GPR_ASSERT(0 != strcmp(factory->vtable->name,
-                           g_all_of_the_lb_policies[i]->vtable->name));
-  }
-  GPR_ASSERT(g_number_of_lb_policies != MAX_POLICIES);
-  grpc_lb_policy_factory_ref(factory);
-  g_all_of_the_lb_policies[g_number_of_lb_policies++] = factory;
-}
-
-static grpc_lb_policy_factory *lookup_factory(const char *name) {
-  int i;
-
-  if (name == NULL) return NULL;
-
-  for (i = 0; i < g_number_of_lb_policies; i++) {
-    if (0 == strcmp(name, g_all_of_the_lb_policies[i]->vtable->name)) {
-      return g_all_of_the_lb_policies[i];
-    }
-  }
-
-  return NULL;
-}
-
-grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
-                                      grpc_lb_policy_args *args) {
-  grpc_lb_policy_factory *factory = lookup_factory(name);
-  grpc_lb_policy *lb_policy =
-      grpc_lb_policy_factory_create_lb_policy(exec_ctx, factory, args);
-  return lb_policy;
-}
diff --git a/src/core/lib/client_config/lb_policy_registry.h b/src/core/lib/client_config/lb_policy_registry.h
deleted file mode 100644
index 4b8495d..0000000
--- a/src/core/lib/client_config/lb_policy_registry.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
-
-#include "src/core/lib/client_config/lb_policy_factory.h"
-#include "src/core/lib/iomgr/exec_ctx.h"
-
-/** Initialize the registry and set \a default_factory as the factory to be
- * returned when no name is provided in a lookup */
-void grpc_lb_policy_registry_init(void);
-void grpc_lb_policy_registry_shutdown(void);
-
-/** Register a LB policy factory. */
-void grpc_register_lb_policy(grpc_lb_policy_factory *factory);
-
-/** Create a \a grpc_lb_policy instance.
- *
- * If \a name is NULL, the default factory from \a grpc_lb_policy_registry_init
- * will be returned. */
-grpc_lb_policy *grpc_lb_policy_create(grpc_exec_ctx *exec_ctx, const char *name,
-                                      grpc_lb_policy_args *args);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_LB_POLICY_REGISTRY_H */
diff --git a/src/core/lib/client_config/resolver.c b/src/core/lib/client_config/resolver.c
deleted file mode 100644
index b9eef55..0000000
--- a/src/core/lib/client_config/resolver.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/resolver.h"
-
-void grpc_resolver_init(grpc_resolver *resolver,
-                        const grpc_resolver_vtable *vtable) {
-  resolver->vtable = vtable;
-  gpr_ref_init(&resolver->refs, 1);
-}
-
-#ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
-void grpc_resolver_ref(grpc_resolver *resolver, grpc_closure_list *closure_list,
-                       const char *file, int line, const char *reason) {
-  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "RESOLVER:%p   ref %d -> %d %s",
-          resolver, (int)resolver->refs.count, (int)resolver->refs.count + 1,
-          reason);
-#else
-void grpc_resolver_ref(grpc_resolver *resolver) {
-#endif
-  gpr_ref(&resolver->refs);
-}
-
-#ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
-void grpc_resolver_unref(grpc_resolver *resolver,
-                         grpc_closure_list *closure_list, const char *file,
-                         int line, const char *reason) {
-  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "RESOLVER:%p unref %d -> %d %s",
-          resolver, (int)resolver->refs.count, (int)resolver->refs.count - 1,
-          reason);
-#else
-void grpc_resolver_unref(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
-#endif
-  if (gpr_unref(&resolver->refs)) {
-    resolver->vtable->destroy(exec_ctx, resolver);
-  }
-}
-
-void grpc_resolver_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
-  resolver->vtable->shutdown(exec_ctx, resolver);
-}
-
-void grpc_resolver_channel_saw_error(grpc_exec_ctx *exec_ctx,
-                                     grpc_resolver *resolver) {
-  resolver->vtable->channel_saw_error(exec_ctx, resolver);
-}
-
-void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
-                        grpc_client_config **target_config,
-                        grpc_closure *on_complete) {
-  resolver->vtable->next(exec_ctx, resolver, target_config, on_complete);
-}
diff --git a/src/core/lib/client_config/resolver.h b/src/core/lib/client_config/resolver.h
deleted file mode 100644
index cf0bb2b..0000000
--- a/src/core/lib/client_config/resolver.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_H
-
-#include "src/core/lib/client_config/client_config.h"
-#include "src/core/lib/client_config/subchannel.h"
-#include "src/core/lib/iomgr/iomgr.h"
-
-typedef struct grpc_resolver grpc_resolver;
-typedef struct grpc_resolver_vtable grpc_resolver_vtable;
-
-/** grpc_resolver provides grpc_client_config objects to grpc_channel
-    objects */
-struct grpc_resolver {
-  const grpc_resolver_vtable *vtable;
-  gpr_refcount refs;
-};
-
-struct grpc_resolver_vtable {
-  void (*destroy)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
-  void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
-  void (*channel_saw_error)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
-  void (*next)(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
-               grpc_client_config **target_config, grpc_closure *on_complete);
-};
-
-#ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
-#define GRPC_RESOLVER_REF(p, r) grpc_resolver_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_RESOLVER_UNREF(cl, p, r) \
-  grpc_resolver_unref((cl), (p), __FILE__, __LINE__, (r))
-void grpc_resolver_ref(grpc_resolver *policy, const char *file, int line,
-                       const char *reason);
-void grpc_resolver_unref(grpc_resolver *policy, grpc_closure_list *closure_list,
-                         const char *file, int line, const char *reason);
-#else
-#define GRPC_RESOLVER_REF(p, r) grpc_resolver_ref((p))
-#define GRPC_RESOLVER_UNREF(cl, p, r) grpc_resolver_unref((cl), (p))
-void grpc_resolver_ref(grpc_resolver *policy);
-void grpc_resolver_unref(grpc_exec_ctx *exec_ctx, grpc_resolver *policy);
-#endif
-
-void grpc_resolver_init(grpc_resolver *resolver,
-                        const grpc_resolver_vtable *vtable);
-
-void grpc_resolver_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver);
-
-/** Notification that the channel has seen an error on some address.
-    Can be used as a hint that re-resolution is desirable soon. */
-void grpc_resolver_channel_saw_error(grpc_exec_ctx *exec_ctx,
-                                     grpc_resolver *resolver);
-
-/** Get the next client config. Called by the channel to fetch a new
-    configuration. Expected to set *target_config with a new configuration,
-    and then schedule on_complete for execution.
-
-    If resolution is fatally broken, set *target_config to NULL and
-    schedule on_complete. */
-void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
-                        grpc_client_config **target_config,
-                        grpc_closure *on_complete);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_H */
diff --git a/src/core/lib/client_config/resolver_factory.c b/src/core/lib/client_config/resolver_factory.c
deleted file mode 100644
index 001fa28..0000000
--- a/src/core/lib/client_config/resolver_factory.c
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/resolver_factory.h"
-
-void grpc_resolver_factory_ref(grpc_resolver_factory* factory) {
-  factory->vtable->ref(factory);
-}
-
-void grpc_resolver_factory_unref(grpc_resolver_factory* factory) {
-  factory->vtable->unref(factory);
-}
-
-/** Create a resolver instance for a name */
-grpc_resolver* grpc_resolver_factory_create_resolver(
-    grpc_resolver_factory* factory, grpc_resolver_args* args) {
-  if (factory == NULL) return NULL;
-  return factory->vtable->create_resolver(factory, args);
-}
-
-char* grpc_resolver_factory_get_default_authority(
-    grpc_resolver_factory* factory, grpc_uri* uri) {
-  if (factory == NULL) return NULL;
-  return factory->vtable->get_default_authority(factory, uri);
-}
diff --git a/src/core/lib/client_config/resolver_factory.h b/src/core/lib/client_config/resolver_factory.h
deleted file mode 100644
index a5bca06..0000000
--- a/src/core/lib/client_config/resolver_factory.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_FACTORY_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_FACTORY_H
-
-#include "src/core/lib/client_config/resolver.h"
-#include "src/core/lib/client_config/subchannel_factory.h"
-#include "src/core/lib/client_config/uri_parser.h"
-
-typedef struct grpc_resolver_factory grpc_resolver_factory;
-typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
-
-/** grpc_resolver provides grpc_client_config objects to grpc_channel
-    objects */
-struct grpc_resolver_factory {
-  const grpc_resolver_factory_vtable *vtable;
-};
-
-typedef struct grpc_resolver_args {
-  grpc_uri *uri;
-  grpc_subchannel_factory *subchannel_factory;
-} grpc_resolver_args;
-
-struct grpc_resolver_factory_vtable {
-  void (*ref)(grpc_resolver_factory *factory);
-  void (*unref)(grpc_resolver_factory *factory);
-
-  /** Implementation of grpc_resolver_factory_create_resolver */
-  grpc_resolver *(*create_resolver)(grpc_resolver_factory *factory,
-                                    grpc_resolver_args *args);
-
-  /** Implementation of grpc_resolver_factory_get_default_authority */
-  char *(*get_default_authority)(grpc_resolver_factory *factory, grpc_uri *uri);
-
-  /** URI scheme that this factory implements */
-  const char *scheme;
-};
-
-void grpc_resolver_factory_ref(grpc_resolver_factory *resolver);
-void grpc_resolver_factory_unref(grpc_resolver_factory *resolver);
-
-/** Create a resolver instance for a name */
-grpc_resolver *grpc_resolver_factory_create_resolver(
-    grpc_resolver_factory *factory, grpc_resolver_args *args);
-
-/** Return a (freshly allocated with gpr_malloc) string representing
-    the default authority to use for this scheme. */
-char *grpc_resolver_factory_get_default_authority(
-    grpc_resolver_factory *factory, grpc_uri *uri);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_FACTORY_H */
diff --git a/src/core/lib/client_config/resolver_registry.c b/src/core/lib/client_config/resolver_registry.c
deleted file mode 100644
index 5f3db27..0000000
--- a/src/core/lib/client_config/resolver_registry.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/resolver_registry.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-
-#define MAX_RESOLVERS 10
-
-static grpc_resolver_factory *g_all_of_the_resolvers[MAX_RESOLVERS];
-static int g_number_of_resolvers = 0;
-
-static char *g_default_resolver_prefix;
-
-void grpc_resolver_registry_init(const char *default_resolver_prefix) {
-  g_number_of_resolvers = 0;
-  g_default_resolver_prefix = gpr_strdup(default_resolver_prefix);
-}
-
-void grpc_resolver_registry_shutdown(void) {
-  int i;
-  for (i = 0; i < g_number_of_resolvers; i++) {
-    grpc_resolver_factory_unref(g_all_of_the_resolvers[i]);
-  }
-  gpr_free(g_default_resolver_prefix);
-}
-
-void grpc_register_resolver_type(grpc_resolver_factory *factory) {
-  int i;
-  for (i = 0; i < g_number_of_resolvers; i++) {
-    GPR_ASSERT(0 != strcmp(factory->vtable->scheme,
-                           g_all_of_the_resolvers[i]->vtable->scheme));
-  }
-  GPR_ASSERT(g_number_of_resolvers != MAX_RESOLVERS);
-  grpc_resolver_factory_ref(factory);
-  g_all_of_the_resolvers[g_number_of_resolvers++] = factory;
-}
-
-static grpc_resolver_factory *lookup_factory(const char *name) {
-  int i;
-
-  for (i = 0; i < g_number_of_resolvers; i++) {
-    if (0 == strcmp(name, g_all_of_the_resolvers[i]->vtable->scheme)) {
-      return g_all_of_the_resolvers[i];
-    }
-  }
-
-  return NULL;
-}
-
-grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name) {
-  grpc_resolver_factory *f = lookup_factory(name);
-  if (f) grpc_resolver_factory_ref(f);
-  return f;
-}
-
-static grpc_resolver_factory *lookup_factory_by_uri(grpc_uri *uri) {
-  if (!uri) return NULL;
-  return lookup_factory(uri->scheme);
-}
-
-static grpc_resolver_factory *resolve_factory(const char *target,
-                                              grpc_uri **uri) {
-  char *tmp;
-  grpc_resolver_factory *factory = NULL;
-
-  GPR_ASSERT(uri != NULL);
-  *uri = grpc_uri_parse(target, 1);
-  factory = lookup_factory_by_uri(*uri);
-  if (factory == NULL) {
-    if (g_default_resolver_prefix != NULL) {
-      grpc_uri_destroy(*uri);
-      gpr_asprintf(&tmp, "%s%s", g_default_resolver_prefix, target);
-      *uri = grpc_uri_parse(tmp, 1);
-      factory = lookup_factory_by_uri(*uri);
-      if (factory == NULL) {
-        grpc_uri_destroy(grpc_uri_parse(target, 0));
-        grpc_uri_destroy(grpc_uri_parse(tmp, 0));
-        gpr_log(GPR_ERROR, "don't know how to resolve '%s' or '%s'", target,
-                tmp);
-      }
-      gpr_free(tmp);
-    } else {
-      grpc_uri_destroy(grpc_uri_parse(target, 0));
-      gpr_log(GPR_ERROR, "don't know how to resolve '%s'", target);
-    }
-  }
-  return factory;
-}
-
-grpc_resolver *grpc_resolver_create(
-    const char *target, grpc_subchannel_factory *subchannel_factory) {
-  grpc_uri *uri = NULL;
-  grpc_resolver_factory *factory = resolve_factory(target, &uri);
-  grpc_resolver *resolver;
-  grpc_resolver_args args;
-  memset(&args, 0, sizeof(args));
-  args.uri = uri;
-  args.subchannel_factory = subchannel_factory;
-  resolver = grpc_resolver_factory_create_resolver(factory, &args);
-  grpc_uri_destroy(uri);
-  return resolver;
-}
-
-char *grpc_get_default_authority(const char *target) {
-  grpc_uri *uri = NULL;
-  grpc_resolver_factory *factory = resolve_factory(target, &uri);
-  char *authority = grpc_resolver_factory_get_default_authority(factory, uri);
-  grpc_uri_destroy(uri);
-  return authority;
-}
diff --git a/src/core/lib/client_config/resolver_registry.h b/src/core/lib/client_config/resolver_registry.h
deleted file mode 100644
index 36c4f2f..0000000
--- a/src/core/lib/client_config/resolver_registry.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_REGISTRY_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_REGISTRY_H
-
-#include "src/core/lib/client_config/resolver_factory.h"
-
-void grpc_resolver_registry_init(const char *default_prefix);
-void grpc_resolver_registry_shutdown(void);
-
-/** Register a resolver type.
-    URI's of \a scheme will be resolved with the given resolver.
-    If \a priority is greater than zero, then the resolver will be eligible
-    to resolve names that are passed in with no scheme. Higher priority
-    resolvers will be tried before lower priority schemes. */
-void grpc_register_resolver_type(grpc_resolver_factory *factory);
-
-/** Create a resolver given \a target.
-    First tries to parse \a target as a URI. If this succeeds, tries
-    to locate a registered resolver factory based on the URI scheme.
-    If parsing or location fails, prefixes default_prefix from
-    grpc_resolver_registry_init to target, and tries again (if default_prefix
-    was not NULL).
-    If a resolver factory was found, use it to instantiate a resolver and
-    return it.
-    If a resolver factory was not found, return NULL. */
-grpc_resolver *grpc_resolver_create(
-    const char *target, grpc_subchannel_factory *subchannel_factory);
-
-/** Find a resolver factory given a name and return an (owned-by-the-caller)
- *  reference to it */
-grpc_resolver_factory *grpc_resolver_factory_lookup(const char *name);
-
-/** Given a target, return a (freshly allocated with gpr_malloc) string
-    representing the default authority to pass from a client. */
-char *grpc_get_default_authority(const char *target);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_RESOLVER_REGISTRY_H */
diff --git a/src/core/lib/client_config/subchannel.c b/src/core/lib/client_config/subchannel.c
deleted file mode 100644
index 47c53a1..0000000
--- a/src/core/lib/client_config/subchannel.c
+++ /dev/null
@@ -1,678 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/subchannel.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/avl.h>
-
-#include "src/core/lib/channel/channel_args.h"
-#include "src/core/lib/channel/client_channel.h"
-#include "src/core/lib/channel/connected_channel.h"
-#include "src/core/lib/client_config/initial_connect_string.h"
-#include "src/core/lib/client_config/subchannel_index.h"
-#include "src/core/lib/iomgr/timer.h"
-#include "src/core/lib/profiling/timers.h"
-#include "src/core/lib/support/backoff.h"
-#include "src/core/lib/surface/channel.h"
-#include "src/core/lib/surface/channel_init.h"
-#include "src/core/lib/transport/connectivity_state.h"
-
-#define INTERNAL_REF_BITS 16
-#define STRONG_REF_MASK (~(gpr_atm)((1 << INTERNAL_REF_BITS) - 1))
-
-#define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20
-#define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 1
-#define GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER 1.6
-#define GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS 120
-#define GRPC_SUBCHANNEL_RECONNECT_JITTER 0.2
-
-#define GET_CONNECTED_SUBCHANNEL(subchannel, barrier)      \
-  ((grpc_connected_subchannel *)(gpr_atm_##barrier##_load( \
-      &(subchannel)->connected_subchannel)))
-
-typedef struct {
-  grpc_closure closure;
-  grpc_subchannel *subchannel;
-  grpc_connectivity_state connectivity_state;
-} state_watcher;
-
-typedef struct external_state_watcher {
-  grpc_subchannel *subchannel;
-  grpc_pollset_set *pollset_set;
-  grpc_closure *notify;
-  grpc_closure closure;
-  struct external_state_watcher *next;
-  struct external_state_watcher *prev;
-} external_state_watcher;
-
-struct grpc_subchannel {
-  grpc_connector *connector;
-
-  /** refcount
-      - lower INTERNAL_REF_BITS bits are for internal references:
-        these do not keep the subchannel open.
-      - upper remaining bits are for public references: these do
-        keep the subchannel open */
-  gpr_atm ref_pair;
-
-  /** non-transport related channel filters */
-  const grpc_channel_filter **filters;
-  size_t num_filters;
-  /** channel arguments */
-  grpc_channel_args *args;
-  /** address to connect to */
-  struct sockaddr *addr;
-  size_t addr_len;
-
-  grpc_subchannel_key *key;
-
-  /** initial string to send to peer */
-  gpr_slice initial_connect_string;
-
-  /** set during connection */
-  grpc_connect_out_args connecting_result;
-
-  /** callback for connection finishing */
-  grpc_closure connected;
-
-  /** pollset_set tracking who's interested in a connection
-      being setup */
-  grpc_pollset_set *pollset_set;
-
-  /** active connection, or null; of type grpc_connected_subchannel */
-  gpr_atm connected_subchannel;
-
-  /** mutex protecting remaining elements */
-  gpr_mu mu;
-
-  /** have we seen a disconnection? */
-  int disconnected;
-  /** are we connecting */
-  int connecting;
-  /** connectivity state tracking */
-  grpc_connectivity_state_tracker state_tracker;
-
-  external_state_watcher root_external_state_watcher;
-
-  /** next connect attempt time */
-  gpr_timespec next_attempt;
-  /** backoff state */
-  gpr_backoff backoff_state;
-  /** do we have an active alarm? */
-  int have_alarm;
-  /** our alarm */
-  grpc_timer alarm;
-  /** current random value */
-  uint32_t random;
-};
-
-struct grpc_subchannel_call {
-  grpc_connected_subchannel *connection;
-};
-
-#define SUBCHANNEL_CALL_TO_CALL_STACK(call) ((grpc_call_stack *)((call) + 1))
-#define CHANNEL_STACK_FROM_CONNECTION(con) ((grpc_channel_stack *)(con))
-#define CALLSTACK_TO_SUBCHANNEL_CALL(callstack) \
-  (((grpc_subchannel_call *)(callstack)) - 1)
-
-static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *subchannel,
-                                 bool iomgr_success);
-
-#ifdef GRPC_STREAM_REFCOUNT_DEBUG
-#define REF_REASON reason
-#define REF_LOG(name, p)                                                  \
-  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "%s: %p   ref %d -> %d %s", \
-          (name), (p), (p)->refs.count, (p)->refs.count + 1, reason)
-#define UNREF_LOG(name, p)                                                \
-  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "%s: %p unref %d -> %d %s", \
-          (name), (p), (p)->refs.count, (p)->refs.count - 1, reason)
-#define REF_MUTATE_EXTRA_ARGS \
-  GRPC_SUBCHANNEL_REF_EXTRA_ARGS, const char *purpose
-#define REF_MUTATE_PURPOSE(x) , file, line, reason, x
-#else
-#define REF_REASON ""
-#define REF_LOG(name, p) \
-  do {                   \
-  } while (0)
-#define UNREF_LOG(name, p) \
-  do {                     \
-  } while (0)
-#define REF_MUTATE_EXTRA_ARGS
-#define REF_MUTATE_PURPOSE(x)
-#endif
-
-/*
- * connection implementation
- */
-
-static void connection_destroy(grpc_exec_ctx *exec_ctx, void *arg,
-                               bool success) {
-  grpc_connected_subchannel *c = arg;
-  grpc_channel_stack_destroy(exec_ctx, CHANNEL_STACK_FROM_CONNECTION(c));
-  gpr_free(c);
-}
-
-void grpc_connected_subchannel_ref(
-    grpc_connected_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  GRPC_CHANNEL_STACK_REF(CHANNEL_STACK_FROM_CONNECTION(c), REF_REASON);
-}
-
-void grpc_connected_subchannel_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_connected_subchannel *c
-                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  GRPC_CHANNEL_STACK_UNREF(exec_ctx, CHANNEL_STACK_FROM_CONNECTION(c),
-                           REF_REASON);
-}
-
-/*
- * grpc_subchannel implementation
- */
-
-static void subchannel_destroy(grpc_exec_ctx *exec_ctx, void *arg,
-                               bool success) {
-  grpc_subchannel *c = arg;
-  gpr_free((void *)c->filters);
-  grpc_channel_args_destroy(c->args);
-  gpr_free(c->addr);
-  gpr_slice_unref(c->initial_connect_string);
-  grpc_connectivity_state_destroy(exec_ctx, &c->state_tracker);
-  grpc_connector_unref(exec_ctx, c->connector);
-  grpc_pollset_set_destroy(c->pollset_set);
-  grpc_subchannel_key_destroy(exec_ctx, c->key);
-  gpr_free(c);
-}
-
-static gpr_atm ref_mutate(grpc_subchannel *c, gpr_atm delta,
-                          int barrier REF_MUTATE_EXTRA_ARGS) {
-  gpr_atm old_val = barrier ? gpr_atm_full_fetch_add(&c->ref_pair, delta)
-                            : gpr_atm_no_barrier_fetch_add(&c->ref_pair, delta);
-#ifdef GRPC_STREAM_REFCOUNT_DEBUG
-  gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
-          "SUBCHANNEL: %p % 12s 0x%08x -> 0x%08x [%s]", c, purpose, old_val,
-          old_val + delta, reason);
-#endif
-  return old_val;
-}
-
-grpc_subchannel *grpc_subchannel_ref(
-    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  gpr_atm old_refs;
-  old_refs = ref_mutate(c, (1 << INTERNAL_REF_BITS),
-                        0 REF_MUTATE_PURPOSE("STRONG_REF"));
-  GPR_ASSERT((old_refs & STRONG_REF_MASK) != 0);
-  return c;
-}
-
-grpc_subchannel *grpc_subchannel_weak_ref(
-    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  gpr_atm old_refs;
-  old_refs = ref_mutate(c, 1, 0 REF_MUTATE_PURPOSE("WEAK_REF"));
-  GPR_ASSERT(old_refs != 0);
-  return c;
-}
-
-grpc_subchannel *grpc_subchannel_ref_from_weak_ref(
-    grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  if (!c) return NULL;
-  for (;;) {
-    gpr_atm old_refs = gpr_atm_acq_load(&c->ref_pair);
-    if (old_refs >= (1 << INTERNAL_REF_BITS)) {
-      gpr_atm new_refs = old_refs + (1 << INTERNAL_REF_BITS);
-      if (gpr_atm_rel_cas(&c->ref_pair, old_refs, new_refs)) {
-        return c;
-      }
-    } else {
-      return NULL;
-    }
-  }
-}
-
-static void disconnect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
-  grpc_connected_subchannel *con;
-  grpc_subchannel_index_unregister(exec_ctx, c->key, c);
-  gpr_mu_lock(&c->mu);
-  GPR_ASSERT(!c->disconnected);
-  c->disconnected = 1;
-  grpc_connector_shutdown(exec_ctx, c->connector);
-  con = GET_CONNECTED_SUBCHANNEL(c, no_barrier);
-  if (con != NULL) {
-    GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, con, "connection");
-    gpr_atm_no_barrier_store(&c->connected_subchannel, 0xdeadbeef);
-  }
-  gpr_mu_unlock(&c->mu);
-}
-
-void grpc_subchannel_unref(grpc_exec_ctx *exec_ctx,
-                           grpc_subchannel *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  gpr_atm old_refs;
-  old_refs = ref_mutate(c, (gpr_atm)1 - (gpr_atm)(1 << INTERNAL_REF_BITS),
-                        1 REF_MUTATE_PURPOSE("STRONG_UNREF"));
-  if ((old_refs & STRONG_REF_MASK) == (1 << INTERNAL_REF_BITS)) {
-    disconnect(exec_ctx, c);
-  }
-  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "strong-unref");
-}
-
-void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
-                                grpc_subchannel *c
-                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  gpr_atm old_refs;
-  old_refs = ref_mutate(c, -(gpr_atm)1, 1 REF_MUTATE_PURPOSE("WEAK_UNREF"));
-  if (old_refs == 1) {
-    grpc_exec_ctx_enqueue(exec_ctx, grpc_closure_create(subchannel_destroy, c),
-                          true, NULL);
-  }
-}
-
-static uint32_t random_seed() {
-  return (uint32_t)(gpr_time_to_millis(gpr_now(GPR_CLOCK_MONOTONIC)));
-}
-
-grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
-                                        grpc_connector *connector,
-                                        grpc_subchannel_args *args) {
-  grpc_subchannel_key *key = grpc_subchannel_key_create(connector, args);
-  grpc_subchannel *c = grpc_subchannel_index_find(exec_ctx, key);
-  if (c) {
-    grpc_subchannel_key_destroy(exec_ctx, key);
-    return c;
-  }
-
-  c = gpr_malloc(sizeof(*c));
-  memset(c, 0, sizeof(*c));
-  c->key = key;
-  gpr_atm_no_barrier_store(&c->ref_pair, 1 << INTERNAL_REF_BITS);
-  c->connector = connector;
-  grpc_connector_ref(c->connector);
-  c->num_filters = args->filter_count;
-  if (c->num_filters > 0) {
-    c->filters = gpr_malloc(sizeof(grpc_channel_filter *) * c->num_filters);
-    memcpy((void *)c->filters, args->filters,
-           sizeof(grpc_channel_filter *) * c->num_filters);
-  } else {
-    c->filters = NULL;
-  }
-  c->addr = gpr_malloc(args->addr_len);
-  memcpy(c->addr, args->addr, args->addr_len);
-  c->pollset_set = grpc_pollset_set_create();
-  c->addr_len = args->addr_len;
-  grpc_set_initial_connect_string(&c->addr, &c->addr_len,
-                                  &c->initial_connect_string);
-  c->args = grpc_channel_args_copy(args->args);
-  c->random = random_seed();
-  c->root_external_state_watcher.next = c->root_external_state_watcher.prev =
-      &c->root_external_state_watcher;
-  grpc_closure_init(&c->connected, subchannel_connected, c);
-  grpc_connectivity_state_init(&c->state_tracker, GRPC_CHANNEL_IDLE,
-                               "subchannel");
-  gpr_backoff_init(&c->backoff_state,
-                   GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER,
-                   GRPC_SUBCHANNEL_RECONNECT_JITTER,
-                   GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS * 1000,
-                   GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000);
-  if (c->args) {
-    for (size_t i = 0; i < c->args->num_args; i++) {
-      if (0 == strcmp(c->args->args[i].key,
-                      "grpc.testing.fixed_reconnect_backoff")) {
-        GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER);
-        gpr_backoff_init(&c->backoff_state, 1.0, 0.0,
-                         c->args->args[i].value.integer,
-                         c->args->args[i].value.integer);
-      }
-    }
-  }
-  gpr_mu_init(&c->mu);
-
-  return grpc_subchannel_index_register(exec_ctx, key, c);
-}
-
-static void continue_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
-  grpc_connect_in_args args;
-
-  args.interested_parties = c->pollset_set;
-  args.addr = c->addr;
-  args.addr_len = c->addr_len;
-  args.deadline = c->next_attempt;
-  args.channel_args = c->args;
-  args.initial_connect_string = c->initial_connect_string;
-
-  grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
-                              GRPC_CHANNEL_CONNECTING, "state_change");
-  grpc_connector_connect(exec_ctx, c->connector, &args, &c->connecting_result,
-                         &c->connected);
-}
-
-static void start_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
-  c->next_attempt =
-      gpr_backoff_begin(&c->backoff_state, gpr_now(GPR_CLOCK_MONOTONIC));
-  continue_connect(exec_ctx, c);
-}
-
-grpc_connectivity_state grpc_subchannel_check_connectivity(grpc_subchannel *c) {
-  grpc_connectivity_state state;
-  gpr_mu_lock(&c->mu);
-  state = grpc_connectivity_state_check(&c->state_tracker);
-  gpr_mu_unlock(&c->mu);
-  return state;
-}
-
-static void on_external_state_watcher_done(grpc_exec_ctx *exec_ctx, void *arg,
-                                           bool success) {
-  external_state_watcher *w = arg;
-  grpc_closure *follow_up = w->notify;
-  if (w->pollset_set != NULL) {
-    grpc_pollset_set_del_pollset_set(exec_ctx, w->subchannel->pollset_set,
-                                     w->pollset_set);
-  }
-  gpr_mu_lock(&w->subchannel->mu);
-  w->next->prev = w->prev;
-  w->prev->next = w->next;
-  gpr_mu_unlock(&w->subchannel->mu);
-  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, w->subchannel, "external_state_watcher");
-  gpr_free(w);
-  follow_up->cb(exec_ctx, follow_up->cb_arg, success);
-}
-
-void grpc_subchannel_notify_on_state_change(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel *c,
-    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
-    grpc_closure *notify) {
-  external_state_watcher *w;
-
-  if (state == NULL) {
-    gpr_mu_lock(&c->mu);
-    for (w = c->root_external_state_watcher.next;
-         w != &c->root_external_state_watcher; w = w->next) {
-      if (w->notify == notify) {
-        grpc_connectivity_state_notify_on_state_change(
-            exec_ctx, &c->state_tracker, NULL, &w->closure);
-      }
-    }
-    gpr_mu_unlock(&c->mu);
-  } else {
-    w = gpr_malloc(sizeof(*w));
-    w->subchannel = c;
-    w->pollset_set = interested_parties;
-    w->notify = notify;
-    grpc_closure_init(&w->closure, on_external_state_watcher_done, w);
-    if (interested_parties != NULL) {
-      grpc_pollset_set_add_pollset_set(exec_ctx, c->pollset_set,
-                                       interested_parties);
-    }
-    GRPC_SUBCHANNEL_WEAK_REF(c, "external_state_watcher");
-    gpr_mu_lock(&c->mu);
-    w->next = &c->root_external_state_watcher;
-    w->prev = w->next->prev;
-    w->next->prev = w->prev->next = w;
-    if (grpc_connectivity_state_notify_on_state_change(
-            exec_ctx, &c->state_tracker, state, &w->closure)) {
-      c->connecting = 1;
-      /* released by connection */
-      GRPC_SUBCHANNEL_WEAK_REF(c, "connecting");
-      start_connect(exec_ctx, c);
-    }
-    gpr_mu_unlock(&c->mu);
-  }
-}
-
-void grpc_connected_subchannel_process_transport_op(
-    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
-    grpc_transport_op *op) {
-  grpc_channel_stack *channel_stack = CHANNEL_STACK_FROM_CONNECTION(con);
-  grpc_channel_element *top_elem = grpc_channel_stack_element(channel_stack, 0);
-  top_elem->filter->start_transport_op(exec_ctx, top_elem, op);
-}
-
-static void subchannel_on_child_state_changed(grpc_exec_ctx *exec_ctx, void *p,
-                                              bool iomgr_success) {
-  state_watcher *sw = p;
-  grpc_subchannel *c = sw->subchannel;
-  gpr_mu *mu = &c->mu;
-
-  gpr_mu_lock(mu);
-
-  /* if we failed just leave this closure */
-  if (iomgr_success) {
-    if (sw->connectivity_state == GRPC_CHANNEL_TRANSIENT_FAILURE) {
-      /* any errors on a subchannel ==> we're done, create a new one */
-      sw->connectivity_state = GRPC_CHANNEL_FATAL_FAILURE;
-    }
-    grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
-                                sw->connectivity_state, "reflect_child");
-    if (sw->connectivity_state != GRPC_CHANNEL_FATAL_FAILURE) {
-      grpc_connected_subchannel_notify_on_state_change(
-          exec_ctx, GET_CONNECTED_SUBCHANNEL(c, no_barrier), NULL,
-          &sw->connectivity_state, &sw->closure);
-      GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher");
-      sw = NULL;
-    }
-  }
-
-  gpr_mu_unlock(mu);
-  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "state_watcher");
-  gpr_free(sw);
-}
-
-static void connected_subchannel_state_op(grpc_exec_ctx *exec_ctx,
-                                          grpc_connected_subchannel *con,
-                                          grpc_pollset_set *interested_parties,
-                                          grpc_connectivity_state *state,
-                                          grpc_closure *closure) {
-  grpc_transport_op op;
-  grpc_channel_element *elem;
-  memset(&op, 0, sizeof(op));
-  op.connectivity_state = state;
-  op.on_connectivity_state_change = closure;
-  op.bind_pollset_set = interested_parties;
-  elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CONNECTION(con), 0);
-  elem->filter->start_transport_op(exec_ctx, elem, &op);
-}
-
-void grpc_connected_subchannel_notify_on_state_change(
-    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
-    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
-    grpc_closure *closure) {
-  connected_subchannel_state_op(exec_ctx, con, interested_parties, state,
-                                closure);
-}
-
-void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
-                                    grpc_connected_subchannel *con,
-                                    grpc_closure *closure) {
-  grpc_transport_op op;
-  grpc_channel_element *elem;
-  memset(&op, 0, sizeof(op));
-  op.send_ping = closure;
-  elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CONNECTION(con), 0);
-  elem->filter->start_transport_op(exec_ctx, elem, &op);
-}
-
-static void publish_transport_locked(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel *c) {
-  grpc_connected_subchannel *con;
-  grpc_channel_stack *stk;
-  state_watcher *sw_subchannel;
-
-  /* construct channel stack */
-  con = grpc_channel_init_create_stack(
-      exec_ctx, GRPC_CLIENT_SUBCHANNEL, 0, c->connecting_result.channel_args, 1,
-      connection_destroy, NULL, c->connecting_result.transport);
-  stk = CHANNEL_STACK_FROM_CONNECTION(con);
-  memset(&c->connecting_result, 0, sizeof(c->connecting_result));
-
-  /* initialize state watcher */
-  sw_subchannel = gpr_malloc(sizeof(*sw_subchannel));
-  sw_subchannel->subchannel = c;
-  sw_subchannel->connectivity_state = GRPC_CHANNEL_READY;
-  grpc_closure_init(&sw_subchannel->closure, subchannel_on_child_state_changed,
-                    sw_subchannel);
-
-  if (c->disconnected) {
-    gpr_free(sw_subchannel);
-    grpc_channel_stack_destroy(exec_ctx, stk);
-    gpr_free(con);
-    GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
-    return;
-  }
-
-  /* publish */
-  /* TODO(ctiller): this full barrier seems to clear up a TSAN failure.
-                    I'd have expected the rel_cas below to be enough, but
-                    seemingly it's not.
-                    Re-evaluate if we really need this. */
-  gpr_atm_full_barrier();
-  GPR_ASSERT(gpr_atm_rel_cas(&c->connected_subchannel, 0, (gpr_atm)con));
-  c->connecting = 0;
-
-  /* setup subchannel watching connected subchannel for changes; subchannel ref
-     for connecting is donated
-     to the state watcher */
-  GRPC_SUBCHANNEL_WEAK_REF(c, "state_watcher");
-  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
-  grpc_connected_subchannel_notify_on_state_change(
-      exec_ctx, con, c->pollset_set, &sw_subchannel->connectivity_state,
-      &sw_subchannel->closure);
-
-  /* signal completion */
-  grpc_connectivity_state_set(exec_ctx, &c->state_tracker, GRPC_CHANNEL_READY,
-                              "connected");
-}
-
-static void on_alarm(grpc_exec_ctx *exec_ctx, void *arg, bool iomgr_success) {
-  grpc_subchannel *c = arg;
-  gpr_mu_lock(&c->mu);
-  c->have_alarm = 0;
-  if (c->disconnected) {
-    iomgr_success = 0;
-  }
-  if (iomgr_success) {
-    c->next_attempt =
-        gpr_backoff_step(&c->backoff_state, gpr_now(GPR_CLOCK_MONOTONIC));
-    continue_connect(exec_ctx, c);
-    gpr_mu_unlock(&c->mu);
-  } else {
-    gpr_mu_unlock(&c->mu);
-    GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
-  }
-}
-
-static void subchannel_connected(grpc_exec_ctx *exec_ctx, void *arg,
-                                 bool iomgr_success) {
-  grpc_subchannel *c = arg;
-
-  GRPC_SUBCHANNEL_WEAK_REF(c, "connected");
-  gpr_mu_lock(&c->mu);
-  if (c->connecting_result.transport != NULL) {
-    publish_transport_locked(exec_ctx, c);
-  } else if (c->disconnected) {
-    GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
-  } else {
-    gpr_timespec now = gpr_now(GPR_CLOCK_MONOTONIC);
-    GPR_ASSERT(!c->have_alarm);
-    c->have_alarm = 1;
-    grpc_connectivity_state_set(exec_ctx, &c->state_tracker,
-                                GRPC_CHANNEL_TRANSIENT_FAILURE,
-                                "connect_failed");
-    grpc_timer_init(exec_ctx, &c->alarm, c->next_attempt, on_alarm, c, now);
-  }
-  gpr_mu_unlock(&c->mu);
-  GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, c, "connecting");
-}
-
-/*
- * grpc_subchannel_call implementation
- */
-
-static void subchannel_call_destroy(grpc_exec_ctx *exec_ctx, void *call,
-                                    bool success) {
-  grpc_subchannel_call *c = call;
-  GPR_TIMER_BEGIN("grpc_subchannel_call_unref.destroy", 0);
-  grpc_call_stack_destroy(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c));
-  GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, c->connection, "subchannel_call");
-  gpr_free(c);
-  GPR_TIMER_END("grpc_subchannel_call_unref.destroy", 0);
-}
-
-void grpc_subchannel_call_ref(
-    grpc_subchannel_call *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  GRPC_CALL_STACK_REF(SUBCHANNEL_CALL_TO_CALL_STACK(c), REF_REASON);
-}
-
-void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
-                                grpc_subchannel_call *c
-                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  GRPC_CALL_STACK_UNREF(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c), REF_REASON);
-}
-
-char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx,
-                                    grpc_subchannel_call *call) {
-  grpc_call_stack *call_stack = SUBCHANNEL_CALL_TO_CALL_STACK(call);
-  grpc_call_element *top_elem = grpc_call_stack_element(call_stack, 0);
-  return top_elem->filter->get_peer(exec_ctx, top_elem);
-}
-
-void grpc_subchannel_call_process_op(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_call *call,
-                                     grpc_transport_stream_op *op) {
-  grpc_call_stack *call_stack = SUBCHANNEL_CALL_TO_CALL_STACK(call);
-  grpc_call_element *top_elem = grpc_call_stack_element(call_stack, 0);
-  top_elem->filter->start_transport_stream_op(exec_ctx, top_elem, op);
-}
-
-grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel(
-    grpc_subchannel *c) {
-  return GET_CONNECTED_SUBCHANNEL(c, acq);
-}
-
-grpc_subchannel_call *grpc_connected_subchannel_create_call(
-    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
-    grpc_pollset *pollset) {
-  grpc_channel_stack *chanstk = CHANNEL_STACK_FROM_CONNECTION(con);
-  grpc_subchannel_call *call =
-      gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
-  grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(call);
-  call->connection = con;
-  GRPC_CONNECTED_SUBCHANNEL_REF(con, "subchannel_call");
-  grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, call,
-                       NULL, NULL, callstk);
-  grpc_call_stack_set_pollset(exec_ctx, callstk, pollset);
-  return call;
-}
-
-grpc_call_stack *grpc_subchannel_call_get_call_stack(
-    grpc_subchannel_call *subchannel_call) {
-  return SUBCHANNEL_CALL_TO_CALL_STACK(subchannel_call);
-}
diff --git a/src/core/lib/client_config/subchannel.h b/src/core/lib/client_config/subchannel.h
deleted file mode 100644
index 68aeff3..0000000
--- a/src/core/lib/client_config/subchannel.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_H
-
-#include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/client_config/connector.h"
-#include "src/core/lib/transport/connectivity_state.h"
-
-/** A (sub-)channel that knows how to connect to exactly one target
-    address. Provides a target for load balancing. */
-typedef struct grpc_subchannel grpc_subchannel;
-typedef struct grpc_connected_subchannel grpc_connected_subchannel;
-typedef struct grpc_subchannel_call grpc_subchannel_call;
-typedef struct grpc_subchannel_args grpc_subchannel_args;
-
-#ifdef GRPC_STREAM_REFCOUNT_DEBUG
-#define GRPC_SUBCHANNEL_REF(p, r) \
-  grpc_subchannel_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_REF_FROM_WEAK_REF(p, r) \
-  grpc_subchannel_ref_from_weak_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_UNREF(cl, p, r) \
-  grpc_subchannel_unref((cl), (p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_WEAK_REF(p, r) \
-  grpc_subchannel_weak_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_WEAK_UNREF(cl, p, r) \
-  grpc_subchannel_weak_unref((cl), (p), __FILE__, __LINE__, (r))
-#define GRPC_CONNECTED_SUBCHANNEL_REF(p, r) \
-  grpc_connected_subchannel_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_CONNECTED_SUBCHANNEL_UNREF(cl, p, r) \
-  grpc_connected_subchannel_unref((cl), (p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_CALL_REF(p, r) \
-  grpc_subchannel_call_ref((p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_CALL_UNREF(cl, p, r) \
-  grpc_subchannel_call_unref((cl), (p), __FILE__, __LINE__, (r))
-#define GRPC_SUBCHANNEL_REF_EXTRA_ARGS \
-  , const char *file, int line, const char *reason
-#else
-#define GRPC_SUBCHANNEL_REF(p, r) grpc_subchannel_ref((p))
-#define GRPC_SUBCHANNEL_REF_FROM_WEAK_REF(p, r) \
-  grpc_subchannel_ref_from_weak_ref((p))
-#define GRPC_SUBCHANNEL_UNREF(cl, p, r) grpc_subchannel_unref((cl), (p))
-#define GRPC_SUBCHANNEL_WEAK_REF(p, r) grpc_subchannel_weak_ref((p))
-#define GRPC_SUBCHANNEL_WEAK_UNREF(cl, p, r) \
-  grpc_subchannel_weak_unref((cl), (p))
-#define GRPC_CONNECTED_SUBCHANNEL_REF(p, r) grpc_connected_subchannel_ref((p))
-#define GRPC_CONNECTED_SUBCHANNEL_UNREF(cl, p, r) \
-  grpc_connected_subchannel_unref((cl), (p))
-#define GRPC_SUBCHANNEL_CALL_REF(p, r) grpc_subchannel_call_ref((p))
-#define GRPC_SUBCHANNEL_CALL_UNREF(cl, p, r) \
-  grpc_subchannel_call_unref((cl), (p))
-#define GRPC_SUBCHANNEL_REF_EXTRA_ARGS
-#endif
-
-grpc_subchannel *grpc_subchannel_ref(
-    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-grpc_subchannel *grpc_subchannel_ref_from_weak_ref(
-    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_subchannel_unref(grpc_exec_ctx *exec_ctx,
-                           grpc_subchannel *channel
-                               GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-grpc_subchannel *grpc_subchannel_weak_ref(
-    grpc_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_subchannel_weak_unref(grpc_exec_ctx *exec_ctx,
-                                grpc_subchannel *channel
-                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_connected_subchannel_ref(
-    grpc_connected_subchannel *channel GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_connected_subchannel_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_connected_subchannel *channel
-                                         GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_subchannel_call_ref(
-    grpc_subchannel_call *call GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
-                                grpc_subchannel_call *call
-                                    GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
-
-/** construct a subchannel call */
-grpc_subchannel_call *grpc_connected_subchannel_create_call(
-    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *connected_subchannel,
-    grpc_pollset *pollset);
-
-/** process a transport level op */
-void grpc_connected_subchannel_process_transport_op(
-    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *subchannel,
-    grpc_transport_op *op);
-
-/** poll the current connectivity state of a channel */
-grpc_connectivity_state grpc_subchannel_check_connectivity(
-    grpc_subchannel *channel);
-
-/** call notify when the connectivity state of a channel changes from *state.
-    Updates *state with the new state of the channel */
-void grpc_subchannel_notify_on_state_change(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel *channel,
-    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
-    grpc_closure *notify);
-void grpc_connected_subchannel_notify_on_state_change(
-    grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *channel,
-    grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
-    grpc_closure *notify);
-void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
-                                    grpc_connected_subchannel *channel,
-                                    grpc_closure *notify);
-
-/** retrieve the grpc_connected_subchannel - or NULL if called before
-    the subchannel becomes connected */
-grpc_connected_subchannel *grpc_subchannel_get_connected_subchannel(
-    grpc_subchannel *subchannel);
-
-/** continue processing a transport op */
-void grpc_subchannel_call_process_op(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_call *subchannel_call,
-                                     grpc_transport_stream_op *op);
-
-/** continue querying for peer */
-char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx,
-                                    grpc_subchannel_call *subchannel_call);
-
-grpc_call_stack *grpc_subchannel_call_get_call_stack(
-    grpc_subchannel_call *subchannel_call);
-
-struct grpc_subchannel_args {
-  /* When updating this struct, also update subchannel_index.c */
-
-  /** Channel filters for this channel - wrapped factories will likely
-      want to mutate this */
-  const grpc_channel_filter **filters;
-  /** The number of filters in the above array */
-  size_t filter_count;
-  /** Channel arguments to be supplied to the newly created channel */
-  const grpc_channel_args *args;
-  /** Address to connect to */
-  struct sockaddr *addr;
-  size_t addr_len;
-};
-
-/** create a subchannel given a connector */
-grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx,
-                                        grpc_connector *connector,
-                                        grpc_subchannel_args *args);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_H */
diff --git a/src/core/lib/client_config/subchannel_factory.c b/src/core/lib/client_config/subchannel_factory.c
deleted file mode 100644
index 541368e..0000000
--- a/src/core/lib/client_config/subchannel_factory.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/subchannel_factory.h"
-
-void grpc_subchannel_factory_ref(grpc_subchannel_factory* factory) {
-  factory->vtable->ref(factory);
-}
-
-void grpc_subchannel_factory_unref(grpc_exec_ctx* exec_ctx,
-                                   grpc_subchannel_factory* factory) {
-  factory->vtable->unref(exec_ctx, factory);
-}
-
-grpc_subchannel* grpc_subchannel_factory_create_subchannel(
-    grpc_exec_ctx* exec_ctx, grpc_subchannel_factory* factory,
-    grpc_subchannel_args* args) {
-  return factory->vtable->create_subchannel(exec_ctx, factory, args);
-}
diff --git a/src/core/lib/client_config/subchannel_factory.h b/src/core/lib/client_config/subchannel_factory.h
deleted file mode 100644
index 96d68a2..0000000
--- a/src/core/lib/client_config/subchannel_factory.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H
-
-#include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/client_config/subchannel.h"
-
-typedef struct grpc_subchannel_factory grpc_subchannel_factory;
-typedef struct grpc_subchannel_factory_vtable grpc_subchannel_factory_vtable;
-
-/** Constructor for new configured channels.
-    Creating decorators around this type is encouraged to adapt behavior. */
-struct grpc_subchannel_factory {
-  const grpc_subchannel_factory_vtable *vtable;
-};
-
-struct grpc_subchannel_factory_vtable {
-  void (*ref)(grpc_subchannel_factory *factory);
-  void (*unref)(grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory);
-  grpc_subchannel *(*create_subchannel)(grpc_exec_ctx *exec_ctx,
-                                        grpc_subchannel_factory *factory,
-                                        grpc_subchannel_args *args);
-};
-
-void grpc_subchannel_factory_ref(grpc_subchannel_factory *factory);
-void grpc_subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                   grpc_subchannel_factory *factory);
-
-/** Create a new grpc_subchannel */
-grpc_subchannel *grpc_subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
-    grpc_subchannel_args *args);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_FACTORY_H */
diff --git a/src/core/lib/client_config/subchannel_index.c b/src/core/lib/client_config/subchannel_index.c
deleted file mode 100644
index 2c54500..0000000
--- a/src/core/lib/client_config/subchannel_index.c
+++ /dev/null
@@ -1,262 +0,0 @@
-//
-//
-// Copyright 2016, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-//
-
-#include "src/core/lib/client_config/subchannel_index.h"
-
-#include <stdbool.h>
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/avl.h>
-#include <grpc/support/tls.h>
-
-#include "src/core/lib/channel/channel_args.h"
-
-// a map of subchannel_key --> subchannel, used for detecting connections
-// to the same destination in order to share them
-static gpr_avl g_subchannel_index;
-
-static gpr_mu g_mu;
-
-struct grpc_subchannel_key {
-  grpc_connector *connector;
-  grpc_subchannel_args args;
-};
-
-GPR_TLS_DECL(subchannel_index_exec_ctx);
-
-static void enter_ctx(grpc_exec_ctx *exec_ctx) {
-  GPR_ASSERT(gpr_tls_get(&subchannel_index_exec_ctx) == 0);
-  gpr_tls_set(&subchannel_index_exec_ctx, (intptr_t)exec_ctx);
-}
-
-static void leave_ctx(grpc_exec_ctx *exec_ctx) {
-  GPR_ASSERT(gpr_tls_get(&subchannel_index_exec_ctx) == (intptr_t)exec_ctx);
-  gpr_tls_set(&subchannel_index_exec_ctx, 0);
-}
-
-static grpc_exec_ctx *current_ctx() {
-  grpc_exec_ctx *c = (grpc_exec_ctx *)gpr_tls_get(&subchannel_index_exec_ctx);
-  GPR_ASSERT(c != NULL);
-  return c;
-}
-
-static grpc_subchannel_key *create_key(
-    grpc_connector *connector, grpc_subchannel_args *args,
-    grpc_channel_args *(*copy_channel_args)(const grpc_channel_args *args)) {
-  grpc_subchannel_key *k = gpr_malloc(sizeof(*k));
-  k->connector = grpc_connector_ref(connector);
-  k->args.filter_count = args->filter_count;
-  k->args.filters = gpr_malloc(sizeof(*k->args.filters) * k->args.filter_count);
-  memcpy((grpc_channel_filter *)k->args.filters, args->filters,
-         sizeof(*k->args.filters) * k->args.filter_count);
-  k->args.addr_len = args->addr_len;
-  k->args.addr = gpr_malloc(args->addr_len);
-  memcpy(k->args.addr, args->addr, k->args.addr_len);
-  k->args.args = copy_channel_args(args->args);
-  return k;
-}
-
-grpc_subchannel_key *grpc_subchannel_key_create(grpc_connector *connector,
-                                                grpc_subchannel_args *args) {
-  return create_key(connector, args, grpc_channel_args_normalize);
-}
-
-static grpc_subchannel_key *subchannel_key_copy(grpc_subchannel_key *k) {
-  return create_key(k->connector, &k->args, grpc_channel_args_copy);
-}
-
-static int subchannel_key_compare(grpc_subchannel_key *a,
-                                  grpc_subchannel_key *b) {
-  int c = GPR_ICMP(a->connector, b->connector);
-  if (c != 0) return c;
-  c = GPR_ICMP(a->args.addr_len, b->args.addr_len);
-  if (c != 0) return c;
-  c = GPR_ICMP(a->args.filter_count, b->args.filter_count);
-  if (c != 0) return c;
-  c = memcmp(a->args.addr, b->args.addr, a->args.addr_len);
-  if (c != 0) return c;
-  c = memcmp(a->args.filters, b->args.filters,
-             a->args.filter_count * sizeof(*a->args.filters));
-  if (c != 0) return c;
-  return grpc_channel_args_compare(a->args.args, b->args.args);
-}
-
-void grpc_subchannel_key_destroy(grpc_exec_ctx *exec_ctx,
-                                 grpc_subchannel_key *k) {
-  grpc_connector_unref(exec_ctx, k->connector);
-  gpr_free(k->args.addr);
-  gpr_free((grpc_channel_args *)k->args.filters);
-  grpc_channel_args_destroy((grpc_channel_args *)k->args.args);
-  gpr_free(k);
-}
-
-static void sck_avl_destroy(void *p) {
-  grpc_subchannel_key_destroy(current_ctx(), p);
-}
-
-static void *sck_avl_copy(void *p) { return subchannel_key_copy(p); }
-
-static long sck_avl_compare(void *a, void *b) {
-  return subchannel_key_compare(a, b);
-}
-
-static void scv_avl_destroy(void *p) {
-  GRPC_SUBCHANNEL_WEAK_UNREF(current_ctx(), p, "subchannel_index");
-}
-
-static void *scv_avl_copy(void *p) {
-  GRPC_SUBCHANNEL_WEAK_REF(p, "subchannel_index");
-  return p;
-}
-
-static const gpr_avl_vtable subchannel_avl_vtable = {
-    .destroy_key = sck_avl_destroy,
-    .copy_key = sck_avl_copy,
-    .compare_keys = sck_avl_compare,
-    .destroy_value = scv_avl_destroy,
-    .copy_value = scv_avl_copy};
-
-void grpc_subchannel_index_init(void) {
-  g_subchannel_index = gpr_avl_create(&subchannel_avl_vtable);
-  gpr_mu_init(&g_mu);
-  gpr_tls_init(&subchannel_index_exec_ctx);
-}
-
-void grpc_subchannel_index_shutdown(void) {
-  gpr_mu_destroy(&g_mu);
-  gpr_avl_unref(g_subchannel_index);
-  gpr_tls_destroy(&subchannel_index_exec_ctx);
-}
-
-grpc_subchannel *grpc_subchannel_index_find(grpc_exec_ctx *exec_ctx,
-                                            grpc_subchannel_key *key) {
-  enter_ctx(exec_ctx);
-
-  // Lock, and take a reference to the subchannel index.
-  // We don't need to do the search under a lock as avl's are immutable.
-  gpr_mu_lock(&g_mu);
-  gpr_avl index = gpr_avl_ref(g_subchannel_index);
-  gpr_mu_unlock(&g_mu);
-
-  grpc_subchannel *c =
-      GRPC_SUBCHANNEL_REF_FROM_WEAK_REF(gpr_avl_get(index, key), "index_find");
-  gpr_avl_unref(index);
-
-  leave_ctx(exec_ctx);
-  return c;
-}
-
-grpc_subchannel *grpc_subchannel_index_register(grpc_exec_ctx *exec_ctx,
-                                                grpc_subchannel_key *key,
-                                                grpc_subchannel *constructed) {
-  enter_ctx(exec_ctx);
-
-  grpc_subchannel *c = NULL;
-
-  while (c == NULL) {
-    // Compare and swap loop:
-    // - take a reference to the current index
-    gpr_mu_lock(&g_mu);
-    gpr_avl index = gpr_avl_ref(g_subchannel_index);
-    gpr_mu_unlock(&g_mu);
-
-    // - Check to see if a subchannel already exists
-    c = gpr_avl_get(index, key);
-    if (c != NULL) {
-      // yes -> we're done
-      GRPC_SUBCHANNEL_WEAK_UNREF(exec_ctx, constructed, "index_register");
-    } else {
-      // no -> update the avl and compare/swap
-      gpr_avl updated =
-          gpr_avl_add(gpr_avl_ref(index), subchannel_key_copy(key),
-                      GRPC_SUBCHANNEL_WEAK_REF(constructed, "index_register"));
-
-      // it may happen (but it's expected to be unlikely)
-      // that some other thread has changed the index:
-      // compare/swap here to check that, and retry as necessary
-      gpr_mu_lock(&g_mu);
-      if (index.root == g_subchannel_index.root) {
-        GPR_SWAP(gpr_avl, updated, g_subchannel_index);
-        c = constructed;
-      }
-      gpr_mu_unlock(&g_mu);
-
-      gpr_avl_unref(updated);
-    }
-    gpr_avl_unref(index);
-  }
-
-  leave_ctx(exec_ctx);
-
-  return c;
-}
-
-void grpc_subchannel_index_unregister(grpc_exec_ctx *exec_ctx,
-                                      grpc_subchannel_key *key,
-                                      grpc_subchannel *constructed) {
-  enter_ctx(exec_ctx);
-
-  bool done = false;
-  while (!done) {
-    // Compare and swap loop:
-    // - take a reference to the current index
-    gpr_mu_lock(&g_mu);
-    gpr_avl index = gpr_avl_ref(g_subchannel_index);
-    gpr_mu_unlock(&g_mu);
-
-    // Check to see if this key still refers to the previously
-    // registered subchannel
-    grpc_subchannel *c = gpr_avl_get(index, key);
-    if (c != constructed) {
-      gpr_avl_unref(index);
-      break;
-    }
-
-    // compare and swap the update (some other thread may have
-    // mutated the index behind us)
-    gpr_avl updated = gpr_avl_remove(gpr_avl_ref(index), key);
-
-    gpr_mu_lock(&g_mu);
-    if (index.root == g_subchannel_index.root) {
-      GPR_SWAP(gpr_avl, updated, g_subchannel_index);
-      done = true;
-    }
-    gpr_mu_unlock(&g_mu);
-
-    gpr_avl_unref(updated);
-    gpr_avl_unref(index);
-  }
-
-  leave_ctx(exec_ctx);
-}
diff --git a/src/core/lib/client_config/subchannel_index.h b/src/core/lib/client_config/subchannel_index.h
deleted file mode 100644
index bc5f03b..0000000
--- a/src/core/lib/client_config/subchannel_index.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *
- * Copyright 2016, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
-
-#include "src/core/lib/client_config/connector.h"
-#include "src/core/lib/client_config/subchannel.h"
-
-/** \file Provides an index of active subchannels so that they can be
-    shared amongst channels */
-
-typedef struct grpc_subchannel_key grpc_subchannel_key;
-
-/** Create a key that can be used to uniquely identify a subchannel */
-grpc_subchannel_key *grpc_subchannel_key_create(grpc_connector *con,
-                                                grpc_subchannel_args *args);
-
-/** Destroy a subchannel key */
-void grpc_subchannel_key_destroy(grpc_exec_ctx *exec_ctx,
-                                 grpc_subchannel_key *key);
-
-/** Given a subchannel key, find the subchannel registered for it.
-    Returns NULL if no such channel exists.
-    Thread-safe. */
-grpc_subchannel *grpc_subchannel_index_find(grpc_exec_ctx *exec_ctx,
-                                            grpc_subchannel_key *key);
-
-/** Register a subchannel against a key.
-    Takes ownership of \a constructed.
-    Returns the registered subchannel. This may be different from
-    \a constructed in the case of a registration race. */
-grpc_subchannel *grpc_subchannel_index_register(grpc_exec_ctx *exec_ctx,
-                                                grpc_subchannel_key *key,
-                                                grpc_subchannel *constructed);
-
-/** Remove \a constructed as the registered subchannel for \a key. */
-void grpc_subchannel_index_unregister(grpc_exec_ctx *exec_ctx,
-                                      grpc_subchannel_key *key,
-                                      grpc_subchannel *constructed);
-
-/** Initialize the subchannel index (global) */
-void grpc_subchannel_index_init(void);
-/** Shutdown the subchannel index (global) */
-void grpc_subchannel_index_shutdown(void);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
diff --git a/src/core/lib/client_config/uri_parser.c b/src/core/lib/client_config/uri_parser.c
deleted file mode 100644
index 6bec70d..0000000
--- a/src/core/lib/client_config/uri_parser.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/client_config/uri_parser.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/port_platform.h>
-#include <grpc/support/slice.h>
-#include <grpc/support/slice_buffer.h>
-#include <grpc/support/string_util.h>
-
-#include "src/core/lib/support/string.h"
-
-/** a size_t default value... maps to all 1's */
-#define NOT_SET (~(size_t)0)
-
-static grpc_uri *bad_uri(const char *uri_text, size_t pos, const char *section,
-                         int suppress_errors) {
-  char *line_prefix;
-  size_t pfx_len;
-
-  if (!suppress_errors) {
-    gpr_asprintf(&line_prefix, "bad uri.%s: '", section);
-    pfx_len = strlen(line_prefix) + pos;
-    gpr_log(GPR_ERROR, "%s%s'", line_prefix, uri_text);
-    gpr_free(line_prefix);
-
-    line_prefix = gpr_malloc(pfx_len + 1);
-    memset(line_prefix, ' ', pfx_len);
-    line_prefix[pfx_len] = 0;
-    gpr_log(GPR_ERROR, "%s^ here", line_prefix);
-    gpr_free(line_prefix);
-  }
-
-  return NULL;
-}
-
-/** Returns a copy of \a src[begin, end) */
-static char *copy_component(const char *src, size_t begin, size_t end) {
-  char *out = gpr_malloc(end - begin + 1);
-  memcpy(out, src + begin, end - begin);
-  out[end - begin] = 0;
-  return out;
-}
-
-/** Returns how many chars to advance if \a uri_text[i] begins a valid \a pchar
- * production. If \a uri_text[i] introduces an invalid \a pchar (such as percent
- * sign not followed by two hex digits), NOT_SET is returned. */
-static size_t parse_pchar(const char *uri_text, size_t i) {
-  /* pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
-   * unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
-   * pct-encoded = "%" HEXDIG HEXDIG
-   * sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
-   / "*" / "+" / "," / ";" / "=" */
-  char c = uri_text[i];
-  if (((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) ||
-      ((c >= '0') && (c <= '9')) ||
-      (c == '-' || c == '.' || c == '_' || c == '~') || /* unreserved */
-      (c == '!' || c == '$' || c == '&' || c == '\'' || c == '$' || c == '&' ||
-       c == '(' || c == ')' || c == '*' || c == '+' || c == ',' || c == ';' ||
-       c == '=') /* sub-delims */) {
-    return 1;
-  }
-  if (c == '%') { /* pct-encoded */
-    size_t j;
-    if (uri_text[i + 1] == 0 || uri_text[i + 2] == 0) {
-      return NOT_SET;
-    }
-    for (j = i + 1; j < 2; j++) {
-      c = uri_text[j];
-      if (!(((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f')) ||
-            ((c >= 'A') && (c <= 'F')))) {
-        return NOT_SET;
-      }
-    }
-    return 2;
-  }
-  return 0;
-}
-
-/* *( pchar / "?" / "/" ) */
-static int parse_fragment_or_query(const char *uri_text, size_t *i) {
-  char c;
-  while ((c = uri_text[*i]) != 0) {
-    const size_t advance = parse_pchar(uri_text, *i); /* pchar */
-    switch (advance) {
-      case 0: /* uri_text[i] isn't in pchar */
-        /* maybe it's ? or / */
-        if (uri_text[*i] == '?' || uri_text[*i] == '/') {
-          (*i)++;
-          break;
-        } else {
-          return 1;
-        }
-        GPR_UNREACHABLE_CODE(return 0);
-      default:
-        (*i) += advance;
-        break;
-      case NOT_SET: /* uri_text[i] introduces an invalid URI */
-        return 0;
-    }
-  }
-  /* *i is the first uri_text position past the \a query production, maybe \0 */
-  return 1;
-}
-
-static void do_nothing(void *ignored) {}
-static void parse_query_parts(grpc_uri *uri) {
-  static const char *QUERY_PARTS_SEPARATOR = "&";
-  static const char *QUERY_PARTS_VALUE_SEPARATOR = "=";
-  GPR_ASSERT(uri->query != NULL);
-  if (uri->query[0] == '\0') {
-    uri->query_parts = NULL;
-    uri->query_parts_values = NULL;
-    uri->num_query_parts = 0;
-    return;
-  }
-  gpr_slice query_slice =
-      gpr_slice_new(uri->query, strlen(uri->query), do_nothing);
-  gpr_slice_buffer query_parts; /* the &-separated elements of the query */
-  gpr_slice_buffer query_param_parts; /* the =-separated subelements */
-
-  gpr_slice_buffer_init(&query_parts);
-  gpr_slice_buffer_init(&query_param_parts);
-
-  gpr_slice_split(query_slice, QUERY_PARTS_SEPARATOR, &query_parts);
-  uri->query_parts = gpr_malloc(query_parts.count * sizeof(char *));
-  uri->query_parts_values = gpr_malloc(query_parts.count * sizeof(char *));
-  uri->num_query_parts = query_parts.count;
-  for (size_t i = 0; i < query_parts.count; i++) {
-    gpr_slice_split(query_parts.slices[i], QUERY_PARTS_VALUE_SEPARATOR,
-                    &query_param_parts);
-    GPR_ASSERT(query_param_parts.count > 0);
-    uri->query_parts[i] =
-        gpr_dump_slice(query_param_parts.slices[0], GPR_DUMP_ASCII);
-    if (query_param_parts.count > 1) {
-      /* TODO(dgq): only the first value after the separator is considered.
-       * Perhaps all chars after the first separator for the query part should
-       * be included, even if they include the separator. */
-      uri->query_parts_values[i] =
-          gpr_dump_slice(query_param_parts.slices[1], GPR_DUMP_ASCII);
-    } else {
-      uri->query_parts_values[i] = NULL;
-    }
-    gpr_slice_buffer_reset_and_unref(&query_param_parts);
-  }
-  gpr_slice_buffer_destroy(&query_parts);
-  gpr_slice_buffer_destroy(&query_param_parts);
-  gpr_slice_unref(query_slice);
-}
-
-grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors) {
-  grpc_uri *uri;
-  size_t scheme_begin = 0;
-  size_t scheme_end = NOT_SET;
-  size_t authority_begin = NOT_SET;
-  size_t authority_end = NOT_SET;
-  size_t path_begin = NOT_SET;
-  size_t path_end = NOT_SET;
-  size_t query_begin = NOT_SET;
-  size_t query_end = NOT_SET;
-  size_t fragment_begin = NOT_SET;
-  size_t fragment_end = NOT_SET;
-  size_t i;
-
-  for (i = scheme_begin; uri_text[i] != 0; i++) {
-    if (uri_text[i] == ':') {
-      scheme_end = i;
-      break;
-    }
-    if (uri_text[i] >= 'a' && uri_text[i] <= 'z') continue;
-    if (uri_text[i] >= 'A' && uri_text[i] <= 'Z') continue;
-    if (i != scheme_begin) {
-      if (uri_text[i] >= '0' && uri_text[i] <= '9') continue;
-      if (uri_text[i] == '+') continue;
-      if (uri_text[i] == '-') continue;
-      if (uri_text[i] == '.') continue;
-    }
-    break;
-  }
-  if (scheme_end == NOT_SET) {
-    return bad_uri(uri_text, i, "scheme", suppress_errors);
-  }
-
-  if (uri_text[scheme_end + 1] == '/' && uri_text[scheme_end + 2] == '/') {
-    authority_begin = scheme_end + 3;
-    for (i = authority_begin; uri_text[i] != 0 && authority_end == NOT_SET;
-         i++) {
-      if (uri_text[i] == '/' || uri_text[i] == '?' || uri_text[i] == '#') {
-        authority_end = i;
-      }
-    }
-    if (authority_end == NOT_SET && uri_text[i] == 0) {
-      authority_end = i;
-    }
-    if (authority_end == NOT_SET) {
-      return bad_uri(uri_text, i, "authority", suppress_errors);
-    }
-    /* TODO(ctiller): parse the authority correctly */
-    path_begin = authority_end;
-  } else {
-    path_begin = scheme_end + 1;
-  }
-
-  for (i = path_begin; uri_text[i] != 0; i++) {
-    if (uri_text[i] == '?' || uri_text[i] == '#') {
-      path_end = i;
-      break;
-    }
-  }
-  if (path_end == NOT_SET && uri_text[i] == 0) {
-    path_end = i;
-  }
-  if (path_end == NOT_SET) {
-    return bad_uri(uri_text, i, "path", suppress_errors);
-  }
-
-  if (uri_text[i] == '?') {
-    query_begin = ++i;
-    if (!parse_fragment_or_query(uri_text, &i)) {
-      return bad_uri(uri_text, i, "query", suppress_errors);
-    } else if (uri_text[i] != 0 && uri_text[i] != '#') {
-      /* We must be at the end or at the beginning of a fragment */
-      return bad_uri(uri_text, i, "query", suppress_errors);
-    }
-    query_end = i;
-  }
-  if (uri_text[i] == '#') {
-    fragment_begin = ++i;
-    if (!parse_fragment_or_query(uri_text, &i)) {
-      return bad_uri(uri_text, i - fragment_end, "fragment", suppress_errors);
-    } else if (uri_text[i] != 0) {
-      /* We must be at the end */
-      return bad_uri(uri_text, i, "fragment", suppress_errors);
-    }
-    fragment_end = i;
-  }
-
-  uri = gpr_malloc(sizeof(*uri));
-  memset(uri, 0, sizeof(*uri));
-  uri->scheme = copy_component(uri_text, scheme_begin, scheme_end);
-  uri->authority = copy_component(uri_text, authority_begin, authority_end);
-  uri->path = copy_component(uri_text, path_begin, path_end);
-  uri->query = copy_component(uri_text, query_begin, query_end);
-  uri->fragment = copy_component(uri_text, fragment_begin, fragment_end);
-  parse_query_parts(uri);
-
-  return uri;
-}
-
-const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key) {
-  GPR_ASSERT(key != NULL);
-  if (key[0] == '\0') return NULL;
-
-  for (size_t i = 0; i < uri->num_query_parts; ++i) {
-    if (0 == strcmp(key, uri->query_parts[i])) {
-      return uri->query_parts_values[i];
-    }
-  }
-  return NULL;
-}
-
-void grpc_uri_destroy(grpc_uri *uri) {
-  if (!uri) return;
-  gpr_free(uri->scheme);
-  gpr_free(uri->authority);
-  gpr_free(uri->path);
-  gpr_free(uri->query);
-  for (size_t i = 0; i < uri->num_query_parts; ++i) {
-    gpr_free(uri->query_parts[i]);
-    gpr_free(uri->query_parts_values[i]);
-  }
-  gpr_free(uri->query_parts);
-  gpr_free(uri->query_parts_values);
-  gpr_free(uri->fragment);
-  gpr_free(uri);
-}
diff --git a/src/core/lib/client_config/uri_parser.h b/src/core/lib/client_config/uri_parser.h
deleted file mode 100644
index 5d6785d..0000000
--- a/src/core/lib/client_config/uri_parser.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_CORE_LIB_CLIENT_CONFIG_URI_PARSER_H
-#define GRPC_CORE_LIB_CLIENT_CONFIG_URI_PARSER_H
-
-#include <stddef.h>
-
-typedef struct {
-  char *scheme;
-  char *authority;
-  char *path;
-  char *query;
-  /** Query substrings separated by '&' */
-  char **query_parts;
-  /** Number of elements in \a query_parts and \a query_parts_values */
-  size_t num_query_parts;
-  /** Split each query part by '='. NULL if not present. */
-  char **query_parts_values;
-  char *fragment;
-} grpc_uri;
-
-/** parse a uri, return NULL on failure */
-grpc_uri *grpc_uri_parse(const char *uri_text, int suppress_errors);
-
-/** return the part of a query string after the '=' in "?key=xxx&...", or NULL
- * if key is not present */
-const char *grpc_uri_get_query_arg(const grpc_uri *uri, const char *key);
-
-/** destroy a uri */
-void grpc_uri_destroy(grpc_uri *uri);
-
-#endif /* GRPC_CORE_LIB_CLIENT_CONFIG_URI_PARSER_H */
diff --git a/src/core/lib/iomgr/ev_poll_and_epoll_posix.c b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
index dba3354..3c8127e 100644
--- a/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
+++ b/src/core/lib/iomgr/ev_poll_and_epoll_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/lib/iomgr/ev_posix.c b/src/core/lib/iomgr/ev_posix.c
index 235a7df..0eb95a2 100644
--- a/src/core/lib/iomgr/ev_posix.c
+++ b/src/core/lib/iomgr/ev_posix.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/lib/iomgr/ev_posix.h b/src/core/lib/iomgr/ev_posix.h
index 9d27b2b..1fa9f5e 100644
--- a/src/core/lib/iomgr/ev_posix.h
+++ b/src/core/lib/iomgr/ev_posix.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/core/lib/iomgr/unix_sockets_posix.c b/src/core/lib/iomgr/unix_sockets_posix.c
index 42e4498..5767c85 100644
--- a/src/core/lib/iomgr/unix_sockets_posix.c
+++ b/src/core/lib/iomgr/unix_sockets_posix.c
@@ -41,6 +41,7 @@
 #include <sys/un.h>
 
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 
 void grpc_create_socketpair_if_unix(int sv[2]) {
   GPR_ASSERT(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
@@ -75,21 +76,6 @@
   }
 }
 
-int grpc_parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
-  struct sockaddr_un *un = (struct sockaddr_un *)addr;
-
-  un->sun_family = AF_UNIX;
-  strcpy(un->sun_path, uri->path);
-  *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
-
-  return 1;
-}
-
-char *grpc_unix_get_default_authority(grpc_resolver_factory *factory,
-                                      grpc_uri *uri) {
-  return gpr_strdup("localhost");
-}
-
 char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr) {
   if (addr->sa_family != AF_UNIX) {
     return NULL;
diff --git a/src/core/lib/iomgr/unix_sockets_posix.h b/src/core/lib/iomgr/unix_sockets_posix.h
index 752cab8..6758c49 100644
--- a/src/core/lib/iomgr/unix_sockets_posix.h
+++ b/src/core/lib/iomgr/unix_sockets_posix.h
@@ -38,8 +38,6 @@
 
 #include <grpc/support/string_util.h>
 
-#include "src/core/lib/client_config/resolver_factory.h"
-#include "src/core/lib/client_config/uri_parser.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 
@@ -51,11 +49,6 @@
 
 void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr);
 
-int grpc_parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
-
-char *grpc_unix_get_default_authority(grpc_resolver_factory *factory,
-                                      grpc_uri *uri);
-
 char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr);
 
 #endif /* GRPC_CORE_LIB_IOMGR_UNIX_SOCKETS_POSIX_H */
diff --git a/src/core/lib/iomgr/unix_sockets_posix_noop.c b/src/core/lib/iomgr/unix_sockets_posix_noop.c
index 43e006e..d309527 100644
--- a/src/core/lib/iomgr/unix_sockets_posix_noop.c
+++ b/src/core/lib/iomgr/unix_sockets_posix_noop.c
@@ -35,6 +35,8 @@
 
 #ifndef GPR_HAVE_UNIX_SOCKET
 
+#include <grpc/support/log.h>
+
 void grpc_create_socketpair_if_unix(int sv[2]) {
   // TODO: Either implement this for the non-Unix socket case or make
   // sure that it is never called in any such case. Until then, leave an
@@ -50,15 +52,6 @@
 
 void grpc_unlink_if_unix_domain_socket(const struct sockaddr *addr) {}
 
-int grpc_parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len) {
-  return 0;
-}
-
-char *grpc_unix_get_default_authority(grpc_resolver_factory *factory,
-                                      grpc_uri *uri) {
-  return NULL;
-}
-
 char *grpc_sockaddr_to_uri_unix_if_possible(const struct sockaddr *addr) {
   return NULL;
 }
diff --git a/src/core/lib/security/security_connector.c b/src/core/lib/security/security_connector.c
index 4d8c5dd..59863ba 100644
--- a/src/core/lib/security/security_connector.c
+++ b/src/core/lib/security/security_connector.c
@@ -42,7 +42,7 @@
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/transport/chttp2/transport/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 #include "src/core/lib/security/credentials.h"
 #include "src/core/lib/security/handshake.h"
 #include "src/core/lib/security/secure_endpoint.h"
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 37cc724..6581bbd 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -81,11 +81,11 @@
   /* Status came from the application layer overriding whatever
      the wire says */
   STATUS_FROM_API_OVERRIDE = 0,
-  /* Status was created by some internal channel stack operation */
-  STATUS_FROM_CORE,
   /* Status came from 'the wire' - or somewhere below the surface
      layer */
   STATUS_FROM_WIRE,
+  /* Status was created by some internal channel stack operation */
+  STATUS_FROM_CORE,
   /* Status came from the server sending status */
   STATUS_FROM_SERVER_STATUS,
   STATUS_SOURCE_COUNT
@@ -1074,24 +1074,29 @@
 
   gpr_mu_lock(&call->mu);
 
-  grpc_metadata_batch *md =
-      &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
-  grpc_metadata_batch_filter(md, recv_initial_filter, call);
-  call->has_initial_md_been_received = true;
+  if (!success) {
+    bctl->success = false;
+  } else {
+    grpc_metadata_batch *md =
+        &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
+    grpc_metadata_batch_filter(md, recv_initial_filter, call);
 
-  if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
-          0 &&
-      !call->is_client) {
-    GPR_TIMER_BEGIN("set_deadline_alarm", 0);
-    set_deadline_alarm(exec_ctx, call, md->deadline);
-    GPR_TIMER_END("set_deadline_alarm", 0);
+    if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
+            0 &&
+        !call->is_client) {
+      GPR_TIMER_BEGIN("set_deadline_alarm", 0);
+      set_deadline_alarm(exec_ctx, call, md->deadline);
+      GPR_TIMER_END("set_deadline_alarm", 0);
+    }
   }
 
+  call->has_initial_md_been_received = true;
   if (call->saved_receiving_stream_ready_ctx.bctlp != NULL) {
     grpc_closure *saved_rsr_closure = grpc_closure_create(
         receiving_stream_ready, call->saved_receiving_stream_ready_ctx.bctlp);
-    grpc_exec_ctx_enqueue(exec_ctx, saved_rsr_closure,
-                          call->saved_receiving_stream_ready_ctx.success, NULL);
+    grpc_exec_ctx_enqueue(
+        exec_ctx, saved_rsr_closure,
+        call->saved_receiving_stream_ready_ctx.success && success, NULL);
     call->saved_receiving_stream_ready_ctx.bctlp = NULL;
   }
 
@@ -1110,6 +1115,9 @@
 
   gpr_mu_lock(&call->mu);
   if (bctl->send_initial_metadata) {
+    if (!success) {
+      set_status_code(call, STATUS_FROM_CORE, GRPC_STATUS_UNAVAILABLE);
+    }
     grpc_metadata_batch_destroy(
         &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]);
   }
@@ -1232,8 +1240,7 @@
         call->metadata_batch[0][0].deadline = call->send_deadline;
         stream_op.send_initial_metadata =
             &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */];
-        stream_op.send_idempotent_request =
-            (op->flags & GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST) != 0;
+        stream_op.send_initial_metadata_flags = op->flags;
         break;
       case GRPC_OP_SEND_MESSAGE:
         if (!are_write_flags_valid(op->flags)) {
diff --git a/src/core/lib/surface/channel.c b/src/core/lib/surface/channel.c
index 06f991b..b6b760b 100644
--- a/src/core/lib/surface/channel.c
+++ b/src/core/lib/surface/channel.c
@@ -40,7 +40,6 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/lib/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/iomgr.h"
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/surface/api_trace.h"
@@ -84,14 +83,26 @@
 static void destroy_channel(grpc_exec_ctx *exec_ctx, void *arg, bool success);
 
 grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
-                                  const grpc_channel_args *args,
+                                  const grpc_channel_args *input_args,
                                   grpc_channel_stack_type channel_stack_type,
                                   grpc_transport *optional_transport) {
   bool is_client = grpc_channel_stack_type_is_client(channel_stack_type);
 
-  grpc_channel *channel = grpc_channel_init_create_stack(
-      exec_ctx, channel_stack_type, sizeof(grpc_channel), args, 1,
-      destroy_channel, NULL, optional_transport);
+  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
+  grpc_channel_stack_builder_set_channel_arguments(builder, input_args);
+  grpc_channel_stack_builder_set_target(builder, target);
+  grpc_channel_stack_builder_set_transport(builder, optional_transport);
+  grpc_channel *channel;
+  grpc_channel_args *args;
+  if (!grpc_channel_init_create_stack(exec_ctx, builder, channel_stack_type)) {
+    grpc_channel_stack_builder_destroy(builder);
+    return NULL;
+  } else {
+    args = grpc_channel_args_copy(
+        grpc_channel_stack_builder_get_channel_arguments(builder));
+    channel = grpc_channel_stack_builder_finish(
+        exec_ctx, builder, sizeof(grpc_channel), 1, destroy_channel, NULL);
+  }
 
   memset(channel, 0, sizeof(*channel));
   channel->target = gpr_strdup(target);
@@ -142,16 +153,7 @@
         }
       }
     }
-  }
-
-  if (channel->is_client && channel->default_authority == NULL &&
-      target != NULL) {
-    char *default_authority = grpc_get_default_authority(target);
-    if (default_authority) {
-      channel->default_authority =
-          grpc_mdelem_from_strings(":authority", default_authority);
-    }
-    gpr_free(default_authority);
+    grpc_channel_args_destroy(args);
   }
 
   return channel;
diff --git a/src/core/lib/surface/channel.h b/src/core/lib/surface/channel.h
index 640fd7e..22dae93 100644
--- a/src/core/lib/surface/channel.h
+++ b/src/core/lib/surface/channel.h
@@ -35,7 +35,6 @@
 #define GRPC_CORE_LIB_SURFACE_CHANNEL_H
 
 #include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/client_config/subchannel_factory.h"
 #include "src/core/lib/surface/channel_stack_type.h"
 
 grpc_channel *grpc_channel_create(grpc_exec_ctx *exec_ctx, const char *target,
diff --git a/src/core/lib/surface/channel_connectivity.c b/src/core/lib/surface/channel_connectivity.c
deleted file mode 100644
index 9a9ee42..0000000
--- a/src/core/lib/surface/channel_connectivity.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/lib/surface/channel.h"
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-
-#include "src/core/lib/channel/client_channel.h"
-#include "src/core/lib/iomgr/timer.h"
-#include "src/core/lib/surface/api_trace.h"
-#include "src/core/lib/surface/completion_queue.h"
-
-grpc_connectivity_state grpc_channel_check_connectivity_state(
-    grpc_channel *channel, int try_to_connect) {
-  /* forward through to the underlying client channel */
-  grpc_channel_element *client_channel_elem =
-      grpc_channel_stack_last_element(grpc_channel_get_channel_stack(channel));
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_connectivity_state state;
-  GRPC_API_TRACE(
-      "grpc_channel_check_connectivity_state(channel=%p, try_to_connect=%d)", 2,
-      (channel, try_to_connect));
-  if (client_channel_elem->filter == &grpc_client_channel_filter) {
-    state = grpc_client_channel_check_connectivity_state(
-        &exec_ctx, client_channel_elem, try_to_connect);
-    grpc_exec_ctx_finish(&exec_ctx);
-    return state;
-  }
-  gpr_log(GPR_ERROR,
-          "grpc_channel_check_connectivity_state called on something that is "
-          "not a (u)client channel, but '%s'",
-          client_channel_elem->filter->name);
-  grpc_exec_ctx_finish(&exec_ctx);
-  return GRPC_CHANNEL_FATAL_FAILURE;
-}
-
-typedef enum {
-  WAITING,
-  CALLING_BACK,
-  CALLING_BACK_AND_FINISHED,
-  CALLED_BACK
-} callback_phase;
-
-typedef struct {
-  gpr_mu mu;
-  callback_phase phase;
-  int success;
-  grpc_closure on_complete;
-  grpc_timer alarm;
-  grpc_connectivity_state state;
-  grpc_completion_queue *cq;
-  grpc_cq_completion completion_storage;
-  grpc_channel *channel;
-  void *tag;
-} state_watcher;
-
-static void delete_state_watcher(grpc_exec_ctx *exec_ctx, state_watcher *w) {
-  grpc_channel_element *client_channel_elem = grpc_channel_stack_last_element(
-      grpc_channel_get_channel_stack(w->channel));
-  if (client_channel_elem->filter == &grpc_client_channel_filter) {
-    GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, w->channel,
-                                "watch_channel_connectivity");
-  } else {
-    abort();
-  }
-  gpr_mu_destroy(&w->mu);
-  gpr_free(w);
-}
-
-static void finished_completion(grpc_exec_ctx *exec_ctx, void *pw,
-                                grpc_cq_completion *ignored) {
-  int delete = 0;
-  state_watcher *w = pw;
-  gpr_mu_lock(&w->mu);
-  switch (w->phase) {
-    case WAITING:
-    case CALLED_BACK:
-      GPR_UNREACHABLE_CODE(return );
-    case CALLING_BACK:
-      w->phase = CALLED_BACK;
-      break;
-    case CALLING_BACK_AND_FINISHED:
-      delete = 1;
-      break;
-  }
-  gpr_mu_unlock(&w->mu);
-
-  if (delete) {
-    delete_state_watcher(exec_ctx, w);
-  }
-}
-
-static void partly_done(grpc_exec_ctx *exec_ctx, state_watcher *w,
-                        int due_to_completion) {
-  int delete = 0;
-
-  if (due_to_completion) {
-    grpc_timer_cancel(exec_ctx, &w->alarm);
-  }
-
-  gpr_mu_lock(&w->mu);
-  if (due_to_completion) {
-    w->success = 1;
-  }
-  switch (w->phase) {
-    case WAITING:
-      w->phase = CALLING_BACK;
-      grpc_cq_end_op(exec_ctx, w->cq, w->tag, w->success, finished_completion,
-                     w, &w->completion_storage);
-      break;
-    case CALLING_BACK:
-      w->phase = CALLING_BACK_AND_FINISHED;
-      break;
-    case CALLING_BACK_AND_FINISHED:
-      GPR_UNREACHABLE_CODE(return );
-    case CALLED_BACK:
-      delete = 1;
-      break;
-  }
-  gpr_mu_unlock(&w->mu);
-
-  if (delete) {
-    delete_state_watcher(exec_ctx, w);
-  }
-}
-
-static void watch_complete(grpc_exec_ctx *exec_ctx, void *pw, bool success) {
-  partly_done(exec_ctx, pw, 1);
-}
-
-static void timeout_complete(grpc_exec_ctx *exec_ctx, void *pw, bool success) {
-  partly_done(exec_ctx, pw, 0);
-}
-
-void grpc_channel_watch_connectivity_state(
-    grpc_channel *channel, grpc_connectivity_state last_observed_state,
-    gpr_timespec deadline, grpc_completion_queue *cq, void *tag) {
-  grpc_channel_element *client_channel_elem =
-      grpc_channel_stack_last_element(grpc_channel_get_channel_stack(channel));
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  state_watcher *w = gpr_malloc(sizeof(*w));
-
-  GRPC_API_TRACE(
-      "grpc_channel_watch_connectivity_state("
-      "channel=%p, last_observed_state=%d, "
-      "deadline=gpr_timespec { tv_sec: %lld, tv_nsec: %d, clock_type: %d }, "
-      "cq=%p, tag=%p)",
-      7, (channel, (int)last_observed_state, (long long)deadline.tv_sec,
-          (int)deadline.tv_nsec, (int)deadline.clock_type, cq, tag));
-
-  grpc_cq_begin_op(cq, tag);
-
-  gpr_mu_init(&w->mu);
-  grpc_closure_init(&w->on_complete, watch_complete, w);
-  w->phase = WAITING;
-  w->state = last_observed_state;
-  w->success = 0;
-  w->cq = cq;
-  w->tag = tag;
-  w->channel = channel;
-
-  grpc_timer_init(&exec_ctx, &w->alarm,
-                  gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),
-                  timeout_complete, w, gpr_now(GPR_CLOCK_MONOTONIC));
-
-  if (client_channel_elem->filter == &grpc_client_channel_filter) {
-    GRPC_CHANNEL_INTERNAL_REF(channel, "watch_channel_connectivity");
-    grpc_client_channel_watch_connectivity_state(&exec_ctx, client_channel_elem,
-                                                 grpc_cq_pollset(cq), &w->state,
-                                                 &w->on_complete);
-  } else {
-    abort();
-  }
-
-  grpc_exec_ctx_finish(&exec_ctx);
-}
diff --git a/src/core/lib/surface/channel_init.c b/src/core/lib/surface/channel_init.c
index fc69f61..0627b34 100644
--- a/src/core/lib/surface/channel_init.c
+++ b/src/core/lib/surface/channel_init.c
@@ -122,25 +122,19 @@
   GPR_UNREACHABLE_CODE(return "UNKNOWN");
 }
 
-void *grpc_channel_init_create_stack(
-    grpc_exec_ctx *exec_ctx, grpc_channel_stack_type type, size_t prefix_bytes,
-    const grpc_channel_args *args, int initial_refs, grpc_iomgr_cb_func destroy,
-    void *destroy_arg, grpc_transport *transport) {
+bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx,
+                                    grpc_channel_stack_builder *builder,
+                                    grpc_channel_stack_type type) {
   GPR_ASSERT(g_finalized);
 
-  grpc_channel_stack_builder *builder = grpc_channel_stack_builder_create();
   grpc_channel_stack_builder_set_name(builder, name_for_type(type));
-  grpc_channel_stack_builder_set_channel_arguments(builder, args);
-  grpc_channel_stack_builder_set_transport(builder, transport);
 
   for (size_t i = 0; i < g_slots[type].num_slots; i++) {
     const stage_slot *slot = &g_slots[type].slots[i];
     if (!slot->fn(builder, slot->arg)) {
-      grpc_channel_stack_builder_destroy(builder);
-      return NULL;
+      return false;
     }
   }
 
-  return grpc_channel_stack_builder_finish(exec_ctx, builder, prefix_bytes,
-                                           initial_refs, destroy, destroy_arg);
+  return true;
 }
diff --git a/src/core/lib/surface/channel_init.h b/src/core/lib/surface/channel_init.h
index a4d8271..3a18a61 100644
--- a/src/core/lib/surface/channel_init.h
+++ b/src/core/lib/surface/channel_init.h
@@ -38,6 +38,8 @@
 #include "src/core/lib/surface/channel_stack_type.h"
 #include "src/core/lib/transport/transport.h"
 
+#define GRPC_CHANNEL_INIT_BUILTIN_PRIORITY 10000
+
 /// This module provides a way for plugins (and the grpc core library itself)
 /// to register mutators for channel stacks.
 /// It also provides a universal entry path to run those mutators to build
@@ -78,9 +80,8 @@
 /// \a optional_transport is either NULL or a constructed transport object
 /// Returns a pointer to the base of the memory allocated (the actual channel
 /// stack object will be prefix_bytes past that pointer)
-void *grpc_channel_init_create_stack(
-    grpc_exec_ctx *exec_ctx, grpc_channel_stack_type type, size_t prefix_bytes,
-    const grpc_channel_args *args, int initial_refs, grpc_iomgr_cb_func destroy,
-    void *destroy_arg, grpc_transport *optional_transport);
+bool grpc_channel_init_create_stack(grpc_exec_ctx *exec_ctx,
+                                    grpc_channel_stack_builder *builder,
+                                    grpc_channel_stack_type type);
 
 #endif /* GRPC_CORE_LIB_SURFACE_CHANNEL_INIT_H */
diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c
index aca4ce9..ec75af6 100644
--- a/src/core/lib/surface/init.c
+++ b/src/core/lib/surface/init.c
@@ -39,17 +39,11 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/time.h>
-#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_client_filter.h"
 #include "src/core/lib/channel/http_server_filter.h"
-#include "src/core/lib/client_config/lb_policy_registry.h"
-#include "src/core/lib/client_config/resolver_registry.h"
-#include "src/core/lib/client_config/subchannel.h"
-#include "src/core/lib/client_config/subchannel_index.h"
 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/iomgr/executor.h"
 #include "src/core/lib/iomgr/iomgr.h"
@@ -65,10 +59,6 @@
 #include "src/core/lib/transport/connectivity_state.h"
 #include "src/core/lib/transport/transport_impl.h"
 
-#ifndef GRPC_DEFAULT_NAME_PREFIX
-#define GRPC_DEFAULT_NAME_PREFIX "dns:///"
-#endif
-
 /* (generated) built in registry of plugins */
 extern void grpc_register_built_in_plugins(void);
 
@@ -105,31 +95,35 @@
 }
 
 static void register_builtin_channel_init() {
-  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, prepend_filter,
-                                   (void *)&grpc_compress_filter);
-  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
-                                   prepend_filter,
-                                   (void *)&grpc_compress_filter);
-  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX, prepend_filter,
-                                   (void *)&grpc_compress_filter);
-  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
-                                   maybe_add_http_filter,
-                                   (void *)&grpc_http_client_filter);
-  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter,
+      (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      prepend_filter, (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY, prepend_filter,
+      (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_SUBCHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
                                    grpc_add_connected_filter, NULL);
-  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
-                                   maybe_add_http_filter,
-                                   (void *)&grpc_http_client_filter);
-  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
+  grpc_channel_init_register_stage(
+      GRPC_CLIENT_DIRECT_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
                                    grpc_add_connected_filter, NULL);
-  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
-                                   maybe_add_http_filter,
-                                   (void *)&grpc_http_server_filter);
-  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
+  grpc_channel_init_register_stage(
+      GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
+      maybe_add_http_filter, (void *)&grpc_http_server_filter);
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
                                    grpc_add_connected_filter, NULL);
-  grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, append_filter,
-                                   (void *)&grpc_client_channel_filter);
-  grpc_channel_init_register_stage(GRPC_CLIENT_LAME_CHANNEL, INT_MAX,
+  grpc_channel_init_register_stage(GRPC_CLIENT_LAME_CHANNEL,
+                                   GRPC_CHANNEL_INIT_BUILTIN_PRIORITY,
                                    append_filter, (void *)&grpc_lame_filter);
   grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX, prepend_filter,
                                    (void *)&grpc_server_top_filter);
@@ -161,12 +155,8 @@
     gpr_time_init();
     grpc_mdctx_global_init();
     grpc_channel_init_init();
-    grpc_lb_policy_registry_init();
-    grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
     grpc_register_tracer("api", &grpc_api_trace);
     grpc_register_tracer("channel", &grpc_trace_channel);
-    grpc_register_tracer("http", &grpc_http_trace);
-    grpc_register_tracer("flowctl", &grpc_flowctl_trace);
     grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
     grpc_register_tracer("channel_stack_builder",
                          &grpc_trace_channel_stack_builder);
@@ -176,7 +166,6 @@
     grpc_tracer_init("GRPC_TRACE");
     gpr_timers_global_init();
     grpc_cq_global_init();
-    grpc_subchannel_index_init();
     for (i = 0; i < g_number_of_plugins; i++) {
       if (g_all_of_the_plugins[i].init != NULL) {
         g_all_of_the_plugins[i].init();
@@ -201,17 +190,13 @@
     grpc_executor_shutdown();
     grpc_cq_global_shutdown();
     grpc_iomgr_shutdown();
-    grpc_subchannel_index_shutdown();
     gpr_timers_global_destroy();
     grpc_tracer_shutdown();
-    grpc_resolver_registry_shutdown();
-    grpc_lb_policy_registry_shutdown();
-    for (i = 0; i < g_number_of_plugins; i++) {
+    for (i = g_number_of_plugins; i >= 0; i--) {
       if (g_all_of_the_plugins[i].destroy != NULL) {
         g_all_of_the_plugins[i].destroy();
       }
     }
-    grpc_channel_init_shutdown();
     grpc_mdctx_global_shutdown();
   }
   gpr_mu_unlock(&g_init_mu);
diff --git a/src/core/lib/surface/server.c b/src/core/lib/surface/server.c
index 1898bee..ad8ee8c 100644
--- a/src/core/lib/surface/server.c
+++ b/src/core/lib/surface/server.c
@@ -95,7 +95,6 @@
       grpc_byte_buffer **optional_payload;
     } registered;
   } data;
-  grpc_closure publish;
 } requested_call;
 
 typedef struct channel_registered_method {
@@ -156,15 +155,21 @@
   bool recv_idempotent_request;
   grpc_metadata_array initial_metadata;
 
+  request_matcher *request_matcher;
+  grpc_byte_buffer *payload;
+
   grpc_closure got_initial_metadata;
   grpc_closure server_on_recv_initial_metadata;
   grpc_closure kill_zombie_closure;
   grpc_closure *on_done_recv_initial_metadata;
 
+  grpc_closure publish;
+
   call_data *pending_next;
 };
 
 struct request_matcher {
+  grpc_server *server;
   call_data *pending_head;
   call_data *pending_tail;
   gpr_stack_lockfree *requests;
@@ -173,6 +178,7 @@
 struct registered_method {
   char *method;
   char *host;
+  grpc_server_register_method_payload_handling payload_handling;
   uint32_t flags;
   request_matcher request_matcher;
   registered_method *next;
@@ -226,8 +232,7 @@
 #define SERVER_FROM_CALL_ELEM(elem) \
   (((channel_data *)(elem)->channel_data)->server)
 
-static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                       call_data *calld, requested_call *rc);
+static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *calld, bool success);
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc);
 /* Before calling maybe_finish_shutdown, we must hold mu_global and not
@@ -303,8 +308,10 @@
  * request_matcher
  */
 
-static void request_matcher_init(request_matcher *rm, size_t entries) {
+static void request_matcher_init(request_matcher *rm, size_t entries,
+                                 grpc_server *server) {
   memset(rm, 0, sizeof(*rm));
+  rm->server = server;
   rm->requests = gpr_stack_lockfree_create(entries);
 }
 
@@ -417,21 +424,90 @@
                        &op);
 }
 
-static void finish_start_new_rpc(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                                 grpc_call_element *elem, request_matcher *rm) {
-  call_data *calld = elem->call_data;
-  int request_id;
+static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
+  gpr_slice slice = value->slice;
+  size_t len = GPR_SLICE_LENGTH(slice);
 
-  if (gpr_atm_acq_load(&server->shutdown_flag)) {
+  if (len + 1 > *capacity) {
+    *capacity = GPR_MAX(len + 1, *capacity * 2);
+    *dest = gpr_realloc(*dest, *capacity);
+  }
+  memcpy(*dest, grpc_mdstr_as_c_string(value), len + 1);
+}
+
+static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
+                               grpc_cq_completion *c) {
+  requested_call *rc = req;
+  grpc_server *server = rc->server;
+
+  if (rc >= server->requested_calls &&
+      rc < server->requested_calls + server->max_requested_calls) {
+    GPR_ASSERT(rc - server->requested_calls <= INT_MAX);
+    gpr_stack_lockfree_push(server->request_freelist,
+                            (int)(rc - server->requested_calls));
+  } else {
+    gpr_free(req);
+  }
+
+  server_unref(exec_ctx, server);
+}
+
+static void publish_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
+                         call_data *calld, requested_call *rc) {
+  grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
+  grpc_call *call = calld->call;
+  *rc->call = call;
+  calld->cq_new = rc->cq_for_notification;
+  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
+  switch (rc->type) {
+    case BATCH_CALL:
+      GPR_ASSERT(calld->host != NULL);
+      GPR_ASSERT(calld->path != NULL);
+      cpstr(&rc->data.batch.details->host,
+            &rc->data.batch.details->host_capacity, calld->host);
+      cpstr(&rc->data.batch.details->method,
+            &rc->data.batch.details->method_capacity, calld->path);
+      rc->data.batch.details->deadline = calld->deadline;
+      rc->data.batch.details->flags =
+          0 | (calld->recv_idempotent_request
+                   ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
+                   : 0);
+      break;
+    case REGISTERED_CALL:
+      *rc->data.registered.deadline = calld->deadline;
+      if (rc->data.registered.optional_payload) {
+        *rc->data.registered.optional_payload = calld->payload;
+      }
+      break;
+    default:
+      GPR_UNREACHABLE_CODE(return );
+  }
+
+  grpc_call_element *elem =
+      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
+  channel_data *chand = elem->channel_data;
+  server_ref(chand->server);
+  grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, true, done_request_event, rc,
+                 &rc->completion);
+}
+
+static void publish_new_rpc(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  call_data *calld = arg;
+  request_matcher *rm = calld->request_matcher;
+  grpc_server *server = rm->server;
+
+  if (!success || gpr_atm_acq_load(&server->shutdown_flag)) {
     gpr_mu_lock(&calld->mu_state);
     calld->state = ZOMBIED;
     gpr_mu_unlock(&calld->mu_state);
-    grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+    grpc_closure_init(
+        &calld->kill_zombie_closure, kill_zombie,
+        grpc_call_stack_element(grpc_call_get_call_stack(calld->call), 0));
     grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, true, NULL);
     return;
   }
 
-  request_id = gpr_stack_lockfree_pop(rm->requests);
+  int request_id = gpr_stack_lockfree_pop(rm->requests);
   if (request_id == -1) {
     gpr_mu_lock(&server->mu_call);
     gpr_mu_lock(&calld->mu_state);
@@ -449,7 +525,41 @@
     gpr_mu_lock(&calld->mu_state);
     calld->state = ACTIVATED;
     gpr_mu_unlock(&calld->mu_state);
-    begin_call(exec_ctx, server, calld, &server->requested_calls[request_id]);
+    publish_call(exec_ctx, server, calld, &server->requested_calls[request_id]);
+  }
+}
+
+static void finish_start_new_rpc(
+    grpc_exec_ctx *exec_ctx, grpc_server *server, grpc_call_element *elem,
+    request_matcher *rm,
+    grpc_server_register_method_payload_handling payload_handling) {
+  call_data *calld = elem->call_data;
+
+  if (gpr_atm_acq_load(&server->shutdown_flag)) {
+    gpr_mu_lock(&calld->mu_state);
+    calld->state = ZOMBIED;
+    gpr_mu_unlock(&calld->mu_state);
+    grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+    grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, true, NULL);
+    return;
+  }
+
+  calld->request_matcher = rm;
+
+  switch (payload_handling) {
+    case GRPC_SRM_PAYLOAD_NONE:
+      publish_new_rpc(exec_ctx, calld, true);
+      break;
+    case GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER: {
+      grpc_op op;
+      memset(&op, 0, sizeof(op));
+      op.op = GRPC_OP_RECV_MESSAGE;
+      op.data.recv_message = &calld->payload;
+      grpc_closure_init(&calld->publish, publish_new_rpc, calld);
+      grpc_call_start_batch_and_execute(exec_ctx, calld->call, &op, 1,
+                                        &calld->publish);
+      break;
+    }
   }
 }
 
@@ -475,7 +585,8 @@
           !calld->recv_idempotent_request)
         continue;
       finish_start_new_rpc(exec_ctx, server, elem,
-                           &rm->server_registered_method->request_matcher);
+                           &rm->server_registered_method->request_matcher,
+                           rm->server_registered_method->payload_handling);
       return;
     }
     /* check for a wildcard method definition (no host set) */
@@ -490,12 +601,14 @@
           !calld->recv_idempotent_request)
         continue;
       finish_start_new_rpc(exec_ctx, server, elem,
-                           &rm->server_registered_method->request_matcher);
+                           &rm->server_registered_method->request_matcher,
+                           rm->server_registered_method->payload_handling);
       return;
     }
   }
   finish_start_new_rpc(exec_ctx, server, elem,
-                       &server->unregistered_request_matcher);
+                       &server->unregistered_request_matcher,
+                       GRPC_SRM_PAYLOAD_NONE);
 }
 
 static int num_listeners(grpc_server *server) {
@@ -572,10 +685,14 @@
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
   if (md->key == GRPC_MDSTR_PATH) {
-    calld->path = GRPC_MDSTR_REF(md->value);
+    if (calld->path == NULL) {
+      calld->path = GRPC_MDSTR_REF(md->value);
+    }
     return NULL;
   } else if (md->key == GRPC_MDSTR_AUTHORITY) {
-    calld->host = GRPC_MDSTR_REF(md->value);
+    if (calld->host == NULL) {
+      calld->host = GRPC_MDSTR_REF(md->value);
+    }
     return NULL;
   }
   return md;
@@ -824,7 +941,7 @@
     gpr_stack_lockfree_push(server->request_freelist, (int)i);
   }
   request_matcher_init(&server->unregistered_request_matcher,
-                       server->max_requested_calls);
+                       server->max_requested_calls, server);
   server->requested_calls = gpr_malloc(server->max_requested_calls *
                                        sizeof(*server->requested_calls));
 
@@ -840,8 +957,10 @@
   return 0 == strcmp(a, b);
 }
 
-void *grpc_server_register_method(grpc_server *server, const char *method,
-                                  const char *host, uint32_t flags) {
+void *grpc_server_register_method(
+    grpc_server *server, const char *method, const char *host,
+    grpc_server_register_method_payload_handling payload_handling,
+    uint32_t flags) {
   registered_method *m;
   GRPC_API_TRACE(
       "grpc_server_register_method(server=%p, method=%s, host=%s, "
@@ -866,10 +985,12 @@
   }
   m = gpr_malloc(sizeof(registered_method));
   memset(m, 0, sizeof(*m));
-  request_matcher_init(&m->request_matcher, server->max_requested_calls);
+  request_matcher_init(&m->request_matcher, server->max_requested_calls,
+                       server);
   m->method = gpr_strdup(method);
   m->host = gpr_strdup(host);
   m->next = server->registered_methods;
+  m->payload_handling = payload_handling;
   m->flags = flags;
   server->registered_methods = m;
   return m;
@@ -1143,8 +1264,8 @@
         GPR_ASSERT(calld->state == PENDING);
         calld->state = ACTIVATED;
         gpr_mu_unlock(&calld->mu_state);
-        begin_call(exec_ctx, server, calld,
-                   &server->requested_calls[request_id]);
+        publish_call(exec_ctx, server, calld,
+                     &server->requested_calls[request_id]);
       }
       gpr_mu_lock(&server->mu_call);
     }
@@ -1209,6 +1330,12 @@
     error = GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE;
     goto done;
   }
+  if ((optional_payload == NULL) !=
+      (rm->payload_handling == GRPC_SRM_PAYLOAD_NONE)) {
+    gpr_free(rc);
+    error = GRPC_CALL_ERROR_PAYLOAD_TYPE_MISMATCH;
+    goto done;
+  }
   grpc_cq_begin_op(cq_for_notification, tag);
   rc->type = REGISTERED_CALL;
   rc->server = server;
@@ -1226,86 +1353,6 @@
   return error;
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx,
-                                        void *user_data, bool success);
-
-static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
-  gpr_slice slice = value->slice;
-  size_t len = GPR_SLICE_LENGTH(slice);
-
-  if (len + 1 > *capacity) {
-    *capacity = GPR_MAX(len + 1, *capacity * 2);
-    *dest = gpr_realloc(*dest, *capacity);
-  }
-  memcpy(*dest, grpc_mdstr_as_c_string(value), len + 1);
-}
-
-static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
-                       call_data *calld, requested_call *rc) {
-  grpc_op ops[1];
-  grpc_op *op = ops;
-
-  memset(ops, 0, sizeof(ops));
-
-  /* called once initial metadata has been read by the call, but BEFORE
-     the ioreq to fetch it out of the call has been executed.
-     This means metadata related fields can be relied on in calld, but to
-     fill in the metadata array passed by the client, we need to perform
-     an ioreq op, that should complete immediately. */
-
-  grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
-  grpc_closure_init(&rc->publish, publish_registered_or_batch, rc);
-  *rc->call = calld->call;
-  calld->cq_new = rc->cq_for_notification;
-  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
-  switch (rc->type) {
-    case BATCH_CALL:
-      GPR_ASSERT(calld->host != NULL);
-      GPR_ASSERT(calld->path != NULL);
-      cpstr(&rc->data.batch.details->host,
-            &rc->data.batch.details->host_capacity, calld->host);
-      cpstr(&rc->data.batch.details->method,
-            &rc->data.batch.details->method_capacity, calld->path);
-      rc->data.batch.details->deadline = calld->deadline;
-      rc->data.batch.details->flags =
-          0 | (calld->recv_idempotent_request
-                   ? GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST
-                   : 0);
-      break;
-    case REGISTERED_CALL:
-      *rc->data.registered.deadline = calld->deadline;
-      if (rc->data.registered.optional_payload) {
-        op->op = GRPC_OP_RECV_MESSAGE;
-        op->data.recv_message = rc->data.registered.optional_payload;
-        op++;
-      }
-      break;
-    default:
-      GPR_UNREACHABLE_CODE(return );
-  }
-
-  GRPC_CALL_INTERNAL_REF(calld->call, "server");
-  grpc_call_start_batch_and_execute(exec_ctx, calld->call, ops,
-                                    (size_t)(op - ops), &rc->publish);
-}
-
-static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
-                               grpc_cq_completion *c) {
-  requested_call *rc = req;
-  grpc_server *server = rc->server;
-
-  if (rc >= server->requested_calls &&
-      rc < server->requested_calls + server->max_requested_calls) {
-    GPR_ASSERT(rc - server->requested_calls <= INT_MAX);
-    gpr_stack_lockfree_push(server->request_freelist,
-                            (int)(rc - server->requested_calls));
-  } else {
-    gpr_free(req);
-  }
-
-  server_unref(exec_ctx, server);
-}
-
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc) {
   *rc->call = NULL;
@@ -1316,20 +1363,6 @@
                  done_request_event, rc, &rc->completion);
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx, void *prc,
-                                        bool success) {
-  requested_call *rc = prc;
-  grpc_call *call = *rc->call;
-  grpc_call_element *elem =
-      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  server_ref(chand->server);
-  grpc_cq_end_op(exec_ctx, calld->cq_new, rc->tag, success, done_request_event,
-                 rc, &rc->completion);
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "server");
-}
-
 const grpc_channel_args *grpc_server_get_channel_args(grpc_server *server) {
   return server->channel_args;
 }
diff --git a/src/core/lib/transport/metadata.c b/src/core/lib/transport/metadata.c
index 2b1d32d..779efbb 100644
--- a/src/core/lib/transport/metadata.c
+++ b/src/core/lib/transport/metadata.c
@@ -38,19 +38,21 @@
 #include <string.h>
 
 #include <grpc/compression.h>
+#include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 #include "src/core/lib/iomgr/iomgr_internal.h"
 #include "src/core/lib/profiling/timers.h"
 #include "src/core/lib/support/murmur_hash.h"
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/transport/static_metadata.h"
 
+gpr_slice (*grpc_chttp2_base64_encode_and_huffman_compress)(gpr_slice input);
+
 /* There are two kinds of mdelem and mdstr instances.
  * Static instances are declared in static_metadata.{h,c} and
  * are initialized by grpc_mdctx_global_init().
@@ -79,6 +81,7 @@
 
 typedef void (*destroy_user_data_func)(void *user_data);
 
+#define SIZE_IN_DECODER_TABLE_NOT_SET -1
 /* Shadow structure for grpc_mdstr for non-static values */
 typedef struct internal_string {
   /* must be byte compatible with grpc_mdstr */
@@ -93,6 +96,8 @@
 
   gpr_slice base64_and_huffman;
 
+  gpr_atm size_in_decoder_table;
+
   struct internal_string *bucket_next;
 } internal_string;
 
@@ -242,6 +247,12 @@
     if (shard->count != 0) {
       gpr_log(GPR_DEBUG, "WARNING: %d metadata strings were leaked",
               shard->count);
+      for (size_t j = 0; j < shard->capacity; j++) {
+        for (internal_string *s = shard->strs[j]; s; s = s->bucket_next) {
+          gpr_log(GPR_DEBUG, "LEAKED: %s",
+                  grpc_mdstr_as_c_string((grpc_mdstr *)s));
+        }
+      }
       if (grpc_iomgr_abort_on_leaks()) {
         abort();
       }
@@ -407,6 +418,7 @@
   }
   s->has_base64_and_huffman_encoded = 0;
   s->hash = hash;
+  s->size_in_decoder_table = SIZE_IN_DECODER_TABLE_NOT_SET;
   s->bucket_next = shard->strs[idx];
   shard->strs[idx] = s;
 
@@ -576,6 +588,39 @@
       grpc_mdstr_from_string(key), grpc_mdstr_from_buffer(value, value_length));
 }
 
+static size_t get_base64_encoded_size(size_t raw_length) {
+  static const uint8_t tail_xtra[3] = {0, 2, 3};
+  return raw_length / 3 * 4 + tail_xtra[raw_length % 3];
+}
+
+size_t grpc_mdelem_get_size_in_hpack_table(grpc_mdelem *elem) {
+  size_t overhead_and_key = 32 + GPR_SLICE_LENGTH(elem->key->slice);
+  size_t value_len = GPR_SLICE_LENGTH(elem->value->slice);
+  if (is_mdstr_static(elem->value)) {
+    if (grpc_is_binary_header(
+            (const char *)GPR_SLICE_START_PTR(elem->key->slice),
+            GPR_SLICE_LENGTH(elem->key->slice))) {
+      return overhead_and_key + get_base64_encoded_size(value_len);
+    } else {
+      return overhead_and_key + value_len;
+    }
+  } else {
+    internal_string *is = (internal_string *)elem->value;
+    gpr_atm current_size = gpr_atm_acq_load(&is->size_in_decoder_table);
+    if (current_size == SIZE_IN_DECODER_TABLE_NOT_SET) {
+      if (grpc_is_binary_header(
+              (const char *)GPR_SLICE_START_PTR(elem->key->slice),
+              GPR_SLICE_LENGTH(elem->key->slice))) {
+        current_size = (gpr_atm)get_base64_encoded_size(value_len);
+      } else {
+        current_size = (gpr_atm)value_len;
+      }
+      gpr_atm_rel_store(&is->size_in_decoder_table, current_size);
+    }
+    return overhead_and_key + (size_t)current_size;
+  }
+}
+
 grpc_mdelem *grpc_mdelem_ref(grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
   if (is_mdelem_static(gmd)) return gmd;
diff --git a/src/core/lib/transport/metadata.h b/src/core/lib/transport/metadata.h
index 6a02437..e29e8df 100644
--- a/src/core/lib/transport/metadata.h
+++ b/src/core/lib/transport/metadata.h
@@ -110,6 +110,8 @@
                                                 const uint8_t *value,
                                                 size_t value_length);
 
+size_t grpc_mdelem_get_size_in_hpack_table(grpc_mdelem *elem);
+
 /* Mutator and accessor for grpc_mdelem user data. The destructor function
    is used as a type tag and is checked during user_data fetch. */
 void *grpc_mdelem_get_user_data(grpc_mdelem *md,
@@ -153,4 +155,8 @@
 void grpc_mdctx_global_init(void);
 void grpc_mdctx_global_shutdown(void);
 
+/* Implementation provided by chttp2_transport */
+extern gpr_slice (*grpc_chttp2_base64_encode_and_huffman_compress)(
+    gpr_slice input);
+
 #endif /* GRPC_CORE_LIB_TRANSPORT_METADATA_H */
diff --git a/src/core/lib/transport/transport.h b/src/core/lib/transport/transport.h
index 460e4dc..1eb4463 100644
--- a/src/core/lib/transport/transport.h
+++ b/src/core/lib/transport/transport.h
@@ -50,7 +50,7 @@
    for a stream. */
 typedef struct grpc_stream grpc_stream;
 
-/*#define GRPC_STREAM_REFCOUNT_DEBUG*/
+//#define GRPC_STREAM_REFCOUNT_DEBUG
 
 typedef struct grpc_stream_refcount {
   gpr_refcount refs;
@@ -101,9 +101,9 @@
   /** Send initial metadata to the peer, from the provided metadata batch.
       idempotent_request MUST be set if this is non-null */
   grpc_metadata_batch *send_initial_metadata;
-  /** Iff send_initial_metadata != NULL, flags if this is an idempotent request
-      or not */
-  bool send_idempotent_request;
+  /** Iff send_initial_metadata != NULL, flags associated with
+      send_initial_metadata: a bitfield of GRPC_INITIAL_METADATA_xxx */
+  uint32_t send_initial_metadata_flags;
 
   /** Send trailing metadata to the peer, from the provided metadata batch. */
   grpc_metadata_batch *send_trailing_metadata;
diff --git a/src/core/plugin_registry/grpc_plugin_registry.c b/src/core/plugin_registry/grpc_plugin_registry.c
index 79df855..822aa6d 100644
--- a/src/core/plugin_registry/grpc_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_plugin_registry.c
@@ -33,6 +33,10 @@
 
 #include <grpc/grpc.h>
 
+extern void grpc_chttp2_plugin_init(void);
+extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_client_config_init(void);
+extern void grpc_client_config_shutdown(void);
 extern void grpc_lb_policy_pick_first_init(void);
 extern void grpc_lb_policy_pick_first_shutdown(void);
 extern void grpc_lb_policy_round_robin_init(void);
@@ -45,6 +49,10 @@
 extern void census_grpc_plugin_shutdown(void);
 
 void grpc_register_built_in_plugins(void) {
+  grpc_register_plugin(grpc_chttp2_plugin_init,
+                       grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_client_config_init,
+                       grpc_client_config_shutdown);
   grpc_register_plugin(grpc_lb_policy_pick_first_init,
                        grpc_lb_policy_pick_first_shutdown);
   grpc_register_plugin(grpc_lb_policy_round_robin_init,
diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
index b3786c9..a6108ae 100644
--- a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
@@ -33,6 +33,10 @@
 
 #include <grpc/grpc.h>
 
+extern void grpc_chttp2_plugin_init(void);
+extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_client_config_init(void);
+extern void grpc_client_config_shutdown(void);
 extern void grpc_resolver_dns_native_init(void);
 extern void grpc_resolver_dns_native_shutdown(void);
 extern void grpc_resolver_sockaddr_init(void);
@@ -45,6 +49,10 @@
 extern void census_grpc_plugin_shutdown(void);
 
 void grpc_register_built_in_plugins(void) {
+  grpc_register_plugin(grpc_chttp2_plugin_init,
+                       grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_client_config_init,
+                       grpc_client_config_shutdown);
   grpc_register_plugin(grpc_resolver_dns_native_init,
                        grpc_resolver_dns_native_shutdown);
   grpc_register_plugin(grpc_resolver_sockaddr_init,
diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index bf64231..c277d7e 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc
@@ -60,6 +60,8 @@
 
 ClientContext::ClientContext()
     : initial_metadata_received_(false),
+      fail_fast_(true),
+      idempotent_(false),
       call_(nullptr),
       call_canceled_(false),
       deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
diff --git a/src/cpp/server/server.cc b/src/cpp/server/server.cc
index 3e44c50..fafe31e 100644
--- a/src/cpp/server/server.cc
+++ b/src/cpp/server/server.cc
@@ -321,6 +321,19 @@
   g_callbacks.reset(callbacks);
 }
 
+static grpc_server_register_method_payload_handling PayloadHandlingForMethod(
+    RpcServiceMethod* method) {
+  switch (method->method_type()) {
+    case RpcMethod::NORMAL_RPC:
+    case RpcMethod::SERVER_STREAMING:
+      return GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER;
+    case RpcMethod::CLIENT_STREAMING:
+    case RpcMethod::BIDI_STREAMING:
+      return GRPC_SRM_PAYLOAD_NONE;
+  }
+  GPR_UNREACHABLE_CODE(return GRPC_SRM_PAYLOAD_NONE;);
+}
+
 bool Server::RegisterService(const grpc::string* host, Service* service) {
   bool has_async_methods = service->has_async_methods();
   if (has_async_methods) {
@@ -334,8 +347,9 @@
       continue;
     }
     RpcServiceMethod* method = it->get();
-    void* tag = grpc_server_register_method(server_, method->name(),
-                                            host ? host->c_str() : nullptr, 0);
+    void* tag = grpc_server_register_method(
+        server_, method->name(), host ? host->c_str() : nullptr,
+        PayloadHandlingForMethod(method), 0);
     if (tag == nullptr) {
       gpr_log(GPR_DEBUG, "Attempt to register %s multiple times",
               method->name());
diff --git a/src/csharp/Grpc.Core/CallInvoker.cs b/src/csharp/Grpc.Core/CallInvoker.cs
new file mode 100644
index 0000000..39199b1
--- /dev/null
+++ b/src/csharp/Grpc.Core/CallInvoker.cs
@@ -0,0 +1,84 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.Threading.Tasks;
+using Grpc.Core.Internal;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Abstraction of client-side RPC invocation.
+    /// </summary>
+    /// <seealso cref="Calls"/>
+    public abstract class CallInvoker
+    {
+        /// <summary>
+        /// Invokes a simple remote call in a blocking fashion.
+        /// </summary>
+        public abstract TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public abstract AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public abstract AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public abstract AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+            where TRequest : class
+            where TResponse : class;
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public abstract AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+            where TRequest : class
+            where TResponse : class;
+    }
+}
diff --git a/src/csharp/Grpc.Core/ClientBase.cs b/src/csharp/Grpc.Core/ClientBase.cs
index e5b3980..5517233 100644
--- a/src/csharp/Grpc.Core/ClientBase.cs
+++ b/src/csharp/Grpc.Core/ClientBase.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -31,93 +31,156 @@
 
 #endregion
 
-using System;
-using System.Text.RegularExpressions;
-using System.Threading.Tasks;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
 
 namespace Grpc.Core
 {
     /// <summary>
-    /// Interceptor for call headers.
+    /// Generic base class for client-side stubs.
     /// </summary>
-    /// <remarks>Header interceptor is no longer to recommented way to perform authentication.
-    /// For header (initial metadata) based auth such as OAuth2 or JWT access token, use <see cref="MetadataCredentials"/>.
-    /// </remarks>
-    public delegate void HeaderInterceptor(IMethod method, Metadata metadata);
+    public abstract class ClientBase<T> : ClientBase
+        where T : ClientBase<T>
+    {
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class that
+        /// throws <c>NotImplementedException</c> upon invocation of any RPC.
+        /// This constructor is only provided to allow creation of test doubles
+        /// for client classes (e.g. mocking requires a parameterless constructor).
+        /// </summary>
+        protected ClientBase() : base()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        protected ClientBase(ClientBaseConfiguration configuration) : base(configuration)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="channel">The channel to use for remote call invocation.</param>
+        public ClientBase(Channel channel) : base(channel)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="callInvoker">The <c>CallInvoker</c> for remote call invocation.</param>
+        public ClientBase(CallInvoker callInvoker) : base(callInvoker)
+        {
+        }
+
+        /// <summary>
+        /// Creates a new client that sets host field for calls explicitly.
+        /// gRPC supports multiple "hosts" being served by a single server.
+        /// By default (if a client was not created by calling this method),
+        /// host <c>null</c> with the meaning "use default host" is used.
+        /// </summary>
+        public T WithHost(string host)
+        {
+            var newConfiguration = this.Configuration.WithHost(host);
+            return NewInstance(newConfiguration);
+        }
+
+        /// <summary>
+        /// Creates a new instance of client from given <c>ClientBaseConfiguration</c>.
+        /// </summary>
+        protected abstract T NewInstance(ClientBaseConfiguration configuration);
+    }
 
     /// <summary>
     /// Base class for client-side stubs.
     /// </summary>
     public abstract class ClientBase
     {
-        readonly Channel channel;
+        readonly ClientBaseConfiguration configuration;
+        readonly CallInvoker callInvoker;
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class that
+        /// throws <c>NotImplementedException</c> upon invocation of any RPC.
+        /// This constructor is only provided to allow creation of test doubles
+        /// for client classes (e.g. mocking requires a parameterless constructor).
+        /// </summary>
+        protected ClientBase() : this(new UnimplementedCallInvoker())
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of <c>ClientBase</c> class.
+        /// </summary>
+        /// <param name="configuration">The configuration.</param>
+        protected ClientBase(ClientBaseConfiguration configuration)
+        {
+            this.configuration = GrpcPreconditions.CheckNotNull(configuration, "configuration");
+            this.callInvoker = configuration.CreateDecoratedCallInvoker();
+        }
 
         /// <summary>
         /// Initializes a new instance of <c>ClientBase</c> class.
         /// </summary>
         /// <param name="channel">The channel to use for remote call invocation.</param>
-        public ClientBase(Channel channel)
+        public ClientBase(Channel channel) : this(new DefaultCallInvoker(channel))
         {
-            this.channel = channel;
         }
 
         /// <summary>
-        /// Can be used to register a custom header interceptor.
-        /// The interceptor is invoked each time a new call on this client is started.
-        /// It is not recommented to use header interceptor to add auth headers to RPC calls.
+        /// Initializes a new instance of <c>ClientBase</c> class.
         /// </summary>
-        /// <seealso cref="HeaderInterceptor"/>
-        public HeaderInterceptor HeaderInterceptor
+        /// <param name="callInvoker">The <c>CallInvoker</c> for remote call invocation.</param>
+        public ClientBase(CallInvoker callInvoker) : this(new ClientBaseConfiguration(callInvoker, null))
         {
-            get;
-            set;
         }
 
         /// <summary>
-        /// gRPC supports multiple "hosts" being served by a single server. 
-        /// This property can be used to set the target host explicitly.
-        /// By default, this will be set to <c>null</c> with the meaning
-        /// "use default host".
+        /// Gets the call invoker.
         /// </summary>
-        public string Host
+        protected CallInvoker CallInvoker
         {
-            get;
-            set;
+            get { return this.callInvoker; }
         }
 
         /// <summary>
-        /// Channel associated with this client.
+        /// Gets the configuration.
         /// </summary>
-        public Channel Channel
+        internal ClientBaseConfiguration Configuration
         {
-            get
+            get { return this.configuration; }
+        }
+
+        /// <summary>
+        /// Represents configuration of ClientBase. The class itself is visible to
+        /// subclasses, but contents are marked as internal to make the instances opaque.
+        /// The verbose name of this class was chosen to make name clash in generated code 
+        /// less likely.
+        /// </summary>
+        protected internal class ClientBaseConfiguration
+        {
+            readonly CallInvoker undecoratedCallInvoker;
+            readonly string host;
+
+            internal ClientBaseConfiguration(CallInvoker undecoratedCallInvoker, string host)
             {
-                return this.channel;
+                this.undecoratedCallInvoker = GrpcPreconditions.CheckNotNull(undecoratedCallInvoker);
+                this.host = host;
             }
-        }
 
-        /// <summary>
-        /// Creates a new call to given method.
-        /// </summary>
-        /// <param name="method">The method to invoke.</param>
-        /// <param name="options">The call options.</param>
-        /// <typeparam name="TRequest">Request message type.</typeparam>
-        /// <typeparam name="TResponse">Response message type.</typeparam>
-        /// <returns>The call invocation details.</returns>
-        protected CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, CallOptions options)
-            where TRequest : class
-            where TResponse : class
-        {
-            var interceptor = HeaderInterceptor;
-            if (interceptor != null)
+            internal CallInvoker CreateDecoratedCallInvoker()
             {
-                if (options.Headers == null)
-                {
-                    options = options.WithHeaders(new Metadata());
-                }
-                interceptor(method, options.Headers);
+                return new InterceptingCallInvoker(undecoratedCallInvoker, hostInterceptor: (h) => host);
             }
-            return new CallInvocationDetails<TRequest, TResponse>(channel, method, Host, options);
+
+            internal ClientBaseConfiguration WithHost(string host)
+            {
+                GrpcPreconditions.CheckNotNull(host, "host");
+                return new ClientBaseConfiguration(this.undecoratedCallInvoker, host);
+            }
         }
     }
 }
diff --git a/src/csharp/Grpc.Core/DefaultCallInvoker.cs b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
new file mode 100644
index 0000000..1a99e41
--- /dev/null
+++ b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
@@ -0,0 +1,112 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System.Threading.Tasks;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core
+{
+    /// <summary>
+    /// Invokes client RPCs using <see cref="Calls"/>.
+    /// </summary>
+    public class DefaultCallInvoker : CallInvoker
+    {
+        readonly Channel channel;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Grpc.Core.DefaultCallInvoker"/> class.
+        /// </summary>
+        /// <param name="channel">Channel to use.</param>
+        public DefaultCallInvoker(Channel channel)
+        {
+            this.channel = GrpcPreconditions.CheckNotNull(channel);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call in a blocking fashion.
+        /// </summary>
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.BlockingUnaryCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncUnaryCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncServerStreamingCall(call, request);
+        }
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncClientStreamingCall(call);
+        }
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            var call = CreateCall(method, host, options);
+            return Calls.AsyncDuplexStreamingCall(call);
+        }
+
+        protected virtual CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+                where TRequest : class
+                where TResponse : class
+        {
+            return new CallInvocationDetails<TRequest, TResponse>(channel, method, host, options);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 3189835..251a688 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -129,6 +129,10 @@
     <Compile Include="Profiling\Profilers.cs" />
     <Compile Include="Internal\DefaultSslRootsOverride.cs" />
     <Compile Include="Utils\GrpcPreconditions.cs" />
+    <Compile Include="CallInvoker.cs" />
+    <Compile Include="DefaultCallInvoker.cs" />
+    <Compile Include="Internal\UnimplementedCallInvoker.cs" />
+    <Compile Include="Internal\InterceptingCallInvoker.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Grpc.Core.nuspec" />
diff --git a/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
new file mode 100644
index 0000000..ef48dc7
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
@@ -0,0 +1,134 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Decorates an underlying <c>CallInvoker</c> to intercept call invocations.
+    /// </summary>
+    internal class InterceptingCallInvoker : CallInvoker
+    {
+        readonly CallInvoker callInvoker;
+        readonly Func<string, string> hostInterceptor;
+        readonly Func<CallOptions, CallOptions> callOptionsInterceptor;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Grpc.Core.InterceptingCallInvoker"/> class.
+        /// </summary>
+        public InterceptingCallInvoker(CallInvoker callInvoker,
+            Func<string, string> hostInterceptor = null,
+            Func<CallOptions, CallOptions> callOptionsInterceptor = null)
+        {
+            this.callInvoker = GrpcPreconditions.CheckNotNull(callInvoker);
+            this.hostInterceptor = hostInterceptor;
+            this.callOptionsInterceptor = callOptionsInterceptor;
+        }
+
+        /// <summary>
+        /// Intercepts a unary call.
+        /// </summary>
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.BlockingUnaryCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a simple remote call asynchronously.
+        /// </summary>
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncUnaryCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a server streaming call asynchronously.
+        /// In server streaming scenario, client sends on request and server responds with a stream of responses.
+        /// </summary>
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncServerStreamingCall(method, host, options, request);
+        }
+
+        /// <summary>
+        /// Invokes a client streaming call asynchronously.
+        /// In client streaming scenario, client sends a stream of requests and server responds with a single response.
+        /// </summary>
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncClientStreamingCall(method, host, options);
+        }
+
+        /// <summary>
+        /// Invokes a duplex streaming call asynchronously.
+        /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses.
+        /// The response stream is completely independent and both side can be sending messages at the same time.
+        /// </summary>
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            host = InterceptHost(host);
+            options = InterceptCallOptions(options);
+            return callInvoker.AsyncDuplexStreamingCall(method, host, options);
+        }
+
+        private string InterceptHost(string host)
+        {
+            if (hostInterceptor == null)
+            {
+                return host;
+            }
+            return hostInterceptor(host);
+        }
+
+        private CallOptions InterceptCallOptions(CallOptions options)
+        {
+            if (callOptionsInterceptor == null)
+            {
+                return options;
+            }
+            return callOptionsInterceptor(options);
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs b/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs
new file mode 100644
index 0000000..0c73408
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/UnimplementedCallInvoker.cs
@@ -0,0 +1,75 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// Call invoker that throws <c>NotImplementedException</c> for all requests.
+    /// </summary>
+    internal class UnimplementedCallInvoker : CallInvoker
+    {
+        public UnimplementedCallInvoker()
+        {
+        }
+
+        public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Examples.MathClient/MathClient.cs b/src/csharp/Grpc.Examples.MathClient/MathClient.cs
index 64e429e..aadef68 100644
--- a/src/csharp/Grpc.Examples.MathClient/MathClient.cs
+++ b/src/csharp/Grpc.Examples.MathClient/MathClient.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -40,7 +40,7 @@
         public static void Main(string[] args)
         {
             var channel = new Channel("127.0.0.1", 23456, ChannelCredentials.Insecure);
-            Math.IMathClient client = new Math.MathClient(channel);
+            Math.MathClient client = new Math.MathClient(channel);
             MathExamples.DivExample(client);
 
             MathExamples.DivAsyncExample(client).Wait();
diff --git a/src/csharp/Grpc.Examples/MathExamples.cs b/src/csharp/Grpc.Examples/MathExamples.cs
index 8009ccb..6075420 100644
--- a/src/csharp/Grpc.Examples/MathExamples.cs
+++ b/src/csharp/Grpc.Examples/MathExamples.cs
@@ -1,5 +1,5 @@
 #region Copyright notice and license
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -38,19 +38,19 @@
 {
     public static class MathExamples
     {
-        public static void DivExample(Math.IMathClient client)
+        public static void DivExample(Math.MathClient client)
         {
             DivReply result = client.Div(new DivArgs { Dividend = 10, Divisor = 3 });
             Console.WriteLine("Div Result: " + result);
         }
 
-        public static async Task DivAsyncExample(Math.IMathClient client)
+        public static async Task DivAsyncExample(Math.MathClient client)
         {
             DivReply result = await client.DivAsync(new DivArgs { Dividend = 4, Divisor = 5 });
             Console.WriteLine("DivAsync Result: " + result);
         }
 
-        public static async Task FibExample(Math.IMathClient client)
+        public static async Task FibExample(Math.MathClient client)
         {
             using (var call = client.Fib(new FibArgs { Limit = 5 }))
             {
@@ -59,7 +59,7 @@
             }
         }
 
-        public static async Task SumExample(Math.IMathClient client)
+        public static async Task SumExample(Math.MathClient client)
         {
             var numbers = new List<Num>
             {
@@ -75,7 +75,7 @@
             }
         }
 
-        public static async Task DivManyExample(Math.IMathClient client)
+        public static async Task DivManyExample(Math.MathClient client)
         {
             var divArgsList = new List<DivArgs>
             {
@@ -90,7 +90,7 @@
             }
         }
 
-        public static async Task DependendRequestsExample(Math.IMathClient client)
+        public static async Task DependendRequestsExample(Math.MathClient client)
         {
             var numbers = new List<Num>
             {
diff --git a/src/csharp/Grpc.Examples/MathGrpc.cs b/src/csharp/Grpc.Examples/MathGrpc.cs
index a6e878d..f3bb0d1 100644
--- a/src/csharp/Grpc.Examples/MathGrpc.cs
+++ b/src/csharp/Grpc.Examples/MathGrpc.cs
@@ -52,6 +52,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IMathClient
     {
       global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -67,6 +68,7 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IMath
     {
       Task<global::Math.DivReply> Div(global::Math.DivArgs request, ServerCallContext context);
@@ -75,61 +77,92 @@
       Task<global::Math.Num> Sum(IAsyncStreamReader<global::Math.Num> requestStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class MathBase
+    {
+      public virtual Task<global::Math.DivReply> Div(global::Math.DivArgs request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task DivMany(IAsyncStreamReader<global::Math.DivArgs> requestStream, IServerStreamWriter<global::Math.DivReply> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task Fib(global::Math.FibArgs request, IServerStreamWriter<global::Math.Num> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Math.Num> Sum(IAsyncStreamReader<global::Math.Num> requestStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class MathClient : ClientBase, IMathClient
+    public class MathClient : ClientBase<MathClient>, IMathClient
     {
       public MathClient(Channel channel) : base(channel)
       {
       }
-      public global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public MathClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Div, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Math.DivReply Div(global::Math.DivArgs request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected MathClient() : base()
       {
-        var call = CreateCall(__Method_Div, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected MathClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_Div, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, CallOptions options)
+
+      public virtual global::Math.DivReply Div(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Div, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Div(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Math.DivReply Div(global::Math.DivArgs request, CallOptions options)
       {
-        var call = CreateCall(__Method_DivMany, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.BlockingUnaryCall(__Method_Div, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(CallOptions options)
+      public virtual AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_DivMany, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return DivAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Math.DivReply> DivAsync(global::Math.DivArgs request, CallOptions options)
       {
-        var call = CreateCall(__Method_Fib, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncServerStreamingCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Div, null, options, request);
       }
-      public AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Fib, options);
-        return Calls.AsyncServerStreamingCall(call, request);
+        return DivMany(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Math.DivArgs, global::Math.DivReply> DivMany(CallOptions options)
       {
-        var call = CreateCall(__Method_Sum, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncClientStreamingCall(call);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_DivMany, null, options);
       }
-      public AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(CallOptions options)
+      public virtual AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Sum, options);
-        return Calls.AsyncClientStreamingCall(call);
+        return Fib(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncServerStreamingCall<global::Math.Num> Fib(global::Math.FibArgs request, CallOptions options)
+      {
+        return CallInvoker.AsyncServerStreamingCall(__Method_Fib, null, options, request);
+      }
+      public virtual AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return Sum(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncClientStreamingCall<global::Math.Num, global::Math.Num> Sum(CallOptions options)
+      {
+        return CallInvoker.AsyncClientStreamingCall(__Method_Sum, null, options);
+      }
+      protected override MathClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new MathClient(configuration);
       }
     }
 
@@ -143,6 +176,16 @@
           .AddMethod(__Method_Sum, serviceImpl.Sum).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(MathBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Div, serviceImpl.Div)
+          .AddMethod(__Method_DivMany, serviceImpl.DivMany)
+          .AddMethod(__Method_Fib, serviceImpl.Fib)
+          .AddMethod(__Method_Sum, serviceImpl.Sum).Build();
+    }
+
     // creates a new client
     public static MathClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.Examples/MathServiceImpl.cs b/src/csharp/Grpc.Examples/MathServiceImpl.cs
index 71dc655..79c56e5 100644
--- a/src/csharp/Grpc.Examples/MathServiceImpl.cs
+++ b/src/csharp/Grpc.Examples/MathServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -43,14 +43,14 @@
     /// <summary>
     /// Implementation of MathService server
     /// </summary>
-    public class MathServiceImpl : Math.IMath
+    public class MathServiceImpl : Math.MathBase
     {
-        public Task<DivReply> Div(DivArgs request, ServerCallContext context)
+        public override Task<DivReply> Div(DivArgs request, ServerCallContext context)
         {
             return Task.FromResult(DivInternal(request));
         }
 
-        public async Task Fib(FibArgs request, IServerStreamWriter<Num> responseStream, ServerCallContext context)
+        public override async Task Fib(FibArgs request, IServerStreamWriter<Num> responseStream, ServerCallContext context)
         {
             if (request.Limit <= 0)
             {
@@ -72,7 +72,7 @@
             }
         }
 
-        public async Task<Num> Sum(IAsyncStreamReader<Num> requestStream, ServerCallContext context)
+        public override async Task<Num> Sum(IAsyncStreamReader<Num> requestStream, ServerCallContext context)
         {
             long sum = 0;
             await requestStream.ForEachAsync(async num =>
@@ -82,7 +82,7 @@
             return new Num { Num_ = sum };
         }
 
-        public async Task DivMany(IAsyncStreamReader<DivArgs> requestStream, IServerStreamWriter<DivReply> responseStream, ServerCallContext context)
+        public override async Task DivMany(IAsyncStreamReader<DivArgs> requestStream, IServerStreamWriter<DivReply> responseStream, ServerCallContext context)
         {
             await requestStream.ForEachAsync(async divArgs => await responseStream.WriteAsync(DivInternal(divArgs)));
         }
diff --git a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
index 8318e84..fb29294 100644
--- a/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
+++ b/src/csharp/Grpc.HealthCheck.Tests/HealthClientServerTest.cs
@@ -49,7 +49,7 @@
         const string Host = "localhost";
         Server server;
         Channel channel;
-        Grpc.Health.V1.Health.IHealthClient client;
+        Grpc.Health.V1.Health.HealthClient client;
         Grpc.HealthCheck.HealthServiceImpl serviceImpl;
 
         [TestFixtureSetUp]
diff --git a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
index 68320eb..72e11cc 100644
--- a/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthGrpc.cs
@@ -29,6 +29,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IHealthClient
     {
       global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -38,36 +39,59 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IHealth
     {
       Task<global::Grpc.Health.V1.HealthCheckResponse> Check(global::Grpc.Health.V1.HealthCheckRequest request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class HealthBase
+    {
+      public virtual Task<global::Grpc.Health.V1.HealthCheckResponse> Check(global::Grpc.Health.V1.HealthCheckRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class HealthClient : ClientBase, IHealthClient
+    public class HealthClient : ClientBase<HealthClient>, IHealthClient
     {
       public HealthClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public HealthClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Check, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected HealthClient() : base()
       {
-        var call = CreateCall(__Method_Check, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected HealthClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_Check, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+
+      public virtual global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Check, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Check(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Health.V1.HealthCheckResponse Check(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_Check, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return CheckAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Health.V1.HealthCheckResponse> CheckAsync(global::Grpc.Health.V1.HealthCheckRequest request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_Check, null, options, request);
+      }
+      protected override HealthClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new HealthClient(configuration);
       }
     }
 
@@ -78,6 +102,13 @@
           .AddMethod(__Method_Check, serviceImpl.Check).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(HealthBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Check, serviceImpl.Check).Build();
+    }
+
     // creates a new client
     public static HealthClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
index a6e82aa..d0406ec 100644
--- a/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
+++ b/src/csharp/Grpc.HealthCheck/HealthServiceImpl.cs
@@ -51,7 +51,7 @@
     /// server.AddServiceDefinition(Grpc.Health.V1.Health.BindService(serviceImpl));
     /// </code>
     /// </summary>
-    public class HealthServiceImpl : Grpc.Health.V1.Health.IHealth
+    public class HealthServiceImpl : Grpc.Health.V1.Health.HealthBase
     {
         private readonly object myLock = new object();
         private readonly Dictionary<string, HealthCheckResponse.Types.ServingStatus> statusMap = 
@@ -99,7 +99,7 @@
         /// <param name="request">The check request.</param>
         /// <param name="context">The call context.</param>
         /// <returns>The asynchronous response.</returns>
-        public Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
+        public override Task<HealthCheckResponse> Check(HealthCheckRequest request, ServerCallContext context)
         {
             lock (myLock)
             {
diff --git a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
index 7e7bc71..07f2703 100644
--- a/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -44,19 +44,19 @@
     /// <summary>
     /// Implementation of BenchmarkService server
     /// </summary>
-    public class BenchmarkServiceImpl : BenchmarkService.IBenchmarkService
+    public class BenchmarkServiceImpl : BenchmarkService.BenchmarkServiceBase
     {
         public BenchmarkServiceImpl()
         {
         }
 
-        public Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        public override Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
         {
             var response = new SimpleResponse { Payload = CreateZerosPayload(request.ResponseSize) };
             return Task.FromResult(response);
         }
 
-        public async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
+        public override async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
         {
             await requestStream.ForEachAsync(async request =>
             {
diff --git a/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs b/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
index 5bfc89d..f954ca5 100644
--- a/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ClientRunners.cs
@@ -61,15 +61,7 @@
         public static IClientRunner CreateStarted(ClientConfig config)
         {
             Logger.Debug("ClientConfig: {0}", config);
-            string target = config.ServerTargets.Single();
-            GrpcPreconditions.CheckArgument(config.LoadParams.LoadCase == LoadParams.LoadOneofCase.ClosedLoop,
-                "Only closed loop scenario supported for C#");
-            GrpcPreconditions.CheckArgument(config.ClientChannels == 1, "ClientConfig.ClientChannels needs to be 1");
 
-            if (config.OutstandingRpcsPerChannel != 0)
-            {
-                Logger.Warning("ClientConfig.OutstandingRpcsPerChannel is not supported for C#. Ignoring the value");
-            }
             if (config.AsyncClientThreads != 0)
             {
                 Logger.Warning("ClientConfig.AsyncClientThreads is not supported for C#. Ignoring the value");
@@ -83,22 +75,40 @@
                 Logger.Warning("ClientConfig.CoreList is not supported for C#. Ignoring the value");
             }
 
-            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
+            var channels = CreateChannels(config.ClientChannels, config.ServerTargets, config.SecurityParams);
+
+            return new ClientRunnerImpl(channels,
+                config.ClientType,
+                config.RpcType,
+                config.OutstandingRpcsPerChannel,
+                config.LoadParams,
+                config.PayloadConfig,
+                config.HistogramParams);
+        }
+
+        private static List<Channel> CreateChannels(int clientChannels, IEnumerable<string> serverTargets, SecurityParams securityParams)
+        {
+            GrpcPreconditions.CheckArgument(clientChannels > 0, "clientChannels needs to be at least 1.");
+            GrpcPreconditions.CheckArgument(serverTargets.Count() > 0, "at least one serverTarget needs to be specified.");
+
+            var credentials = securityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
             List<ChannelOption> channelOptions = null;
-            if (config.SecurityParams != null && config.SecurityParams.ServerHostOverride != "")
+            if (securityParams != null && securityParams.ServerHostOverride != "")
             {
                 channelOptions = new List<ChannelOption>
                 {
-                    new ChannelOption(ChannelOptions.SslTargetNameOverride, config.SecurityParams.ServerHostOverride)
+                    new ChannelOption(ChannelOptions.SslTargetNameOverride, securityParams.ServerHostOverride)
                 };
             }
-            var channel = new Channel(target, credentials, channelOptions);
 
-            return new ClientRunnerImpl(channel,
-                config.ClientType,
-                config.RpcType,
-                config.PayloadConfig,
-                config.HistogramParams);
+            var result = new List<Channel>();
+            for (int i = 0; i < clientChannels; i++)
+            {
+                var target = serverTargets.ElementAt(i % serverTargets.Count());
+                var channel = new Channel(target, credentials, channelOptions);
+                result.Add(channel);
+            }
+            return result;
         }
     }
 
@@ -106,30 +116,35 @@
     {
         const double SecondsToNanos = 1e9;
 
-        readonly Channel channel;
+        readonly List<Channel> channels;
         readonly ClientType clientType;
         readonly RpcType rpcType;
         readonly PayloadConfig payloadConfig;
         readonly Histogram histogram;
 
-        readonly BenchmarkService.IBenchmarkServiceClient client;
-        readonly Task runnerTask;
-        readonly CancellationTokenSource stoppedCts;
+        readonly List<Task> runnerTasks;
+        readonly CancellationTokenSource stoppedCts = new CancellationTokenSource();
         readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
         
-        public ClientRunnerImpl(Channel channel, ClientType clientType, RpcType rpcType, PayloadConfig payloadConfig, HistogramParams histogramParams)
+        public ClientRunnerImpl(List<Channel> channels, ClientType clientType, RpcType rpcType, int outstandingRpcsPerChannel, LoadParams loadParams, PayloadConfig payloadConfig, HistogramParams histogramParams)
         {
-            this.channel = GrpcPreconditions.CheckNotNull(channel);
+            GrpcPreconditions.CheckArgument(outstandingRpcsPerChannel > 0, "outstandingRpcsPerChannel");
+            this.channels = new List<Channel>(channels);
             this.clientType = clientType;
             this.rpcType = rpcType;
             this.payloadConfig = payloadConfig;
             this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
 
-            this.stoppedCts = new CancellationTokenSource();
-            this.client = BenchmarkService.NewClient(channel);
-
-            var threadBody = GetThreadBody();
-            this.runnerTask = Task.Factory.StartNew(threadBody, TaskCreationOptions.LongRunning);
+            this.runnerTasks = new List<Task>();
+            foreach (var channel in this.channels)
+            {
+                for (int i = 0; i < outstandingRpcsPerChannel; i++)
+                {
+                    var timer = CreateTimer(loadParams, 1.0 / this.channels.Count / outstandingRpcsPerChannel);
+                    var threadBody = GetThreadBody(channel, timer);
+                    this.runnerTasks.Add(Task.Factory.StartNew(threadBody, TaskCreationOptions.LongRunning));
+                }
+            }
         }
 
         public ClientStats GetStats(bool reset)
@@ -150,12 +165,19 @@
         public async Task StopAsync()
         {
             stoppedCts.Cancel();
-            await runnerTask;
-            await channel.ShutdownAsync();
+            foreach (var runnerTask in runnerTasks)
+            {
+                await runnerTask;
+            }
+            foreach (var channel in channels)
+            {
+                await channel.ShutdownAsync();
+            }
         }
 
-        private void RunClosedLoopUnary()
+        private void RunUnary(Channel channel, IInterarrivalTimer timer)
         {
+            var client = BenchmarkService.NewClient(channel);
             var request = CreateSimpleRequest();
             var stopwatch = new Stopwatch();
 
@@ -167,11 +189,14 @@
 
                 // spec requires data point in nanoseconds.
                 histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                timer.WaitForNext();
             }
         }
 
-        private async Task RunClosedLoopUnaryAsync()
+        private async Task RunUnaryAsync(Channel channel, IInterarrivalTimer timer)
         {
+            var client = BenchmarkService.NewClient(channel);
             var request = CreateSimpleRequest();
             var stopwatch = new Stopwatch();
 
@@ -183,11 +208,14 @@
 
                 // spec requires data point in nanoseconds.
                 histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                await timer.WaitForNextAsync();
             }
         }
 
-        private async Task RunClosedLoopStreamingAsync()
+        private async Task RunStreamingPingPongAsync(Channel channel, IInterarrivalTimer timer)
         {
+            var client = BenchmarkService.NewClient(channel);
             var request = CreateSimpleRequest();
             var stopwatch = new Stopwatch();
 
@@ -202,6 +230,8 @@
 
                     // spec requires data point in nanoseconds.
                     histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                    await timer.WaitForNextAsync();
                 }
 
                 // finish the streaming call
@@ -210,7 +240,7 @@
             }
         }
 
-        private async Task RunGenericClosedLoopStreamingAsync()
+        private async Task RunGenericStreamingAsync(Channel channel, IInterarrivalTimer timer)
         {
             var request = CreateByteBufferRequest();
             var stopwatch = new Stopwatch();
@@ -228,6 +258,8 @@
 
                     // spec requires data point in nanoseconds.
                     histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+
+                    await timer.WaitForNextAsync();
                 }
 
                 // finish the streaming call
@@ -236,7 +268,7 @@
             }
         }
 
-        private Action GetThreadBody()
+        private Action GetThreadBody(Channel channel, IInterarrivalTimer timer)
         {
             if (payloadConfig.PayloadCase == PayloadConfig.PayloadOneofCase.BytebufParams)
             {
@@ -244,7 +276,7 @@
                 GrpcPreconditions.CheckArgument(rpcType == RpcType.STREAMING, "Generic client only supports streaming calls");
                 return () =>
                 {
-                    RunGenericClosedLoopStreamingAsync().Wait();
+                    RunGenericStreamingAsync(channel, timer).Wait();
                 };
             }
 
@@ -252,7 +284,7 @@
             if (clientType == ClientType.SYNC_CLIENT)
             {
                 GrpcPreconditions.CheckArgument(rpcType == RpcType.UNARY, "Sync client can only be used for Unary calls in C#");
-                return RunClosedLoopUnary;
+                return () => RunUnary(channel, timer);
             }
             else if (clientType == ClientType.ASYNC_CLIENT)
             {
@@ -261,12 +293,12 @@
                     case RpcType.UNARY:
                         return () =>
                         {
-                            RunClosedLoopUnaryAsync().Wait();
+                            RunUnaryAsync(channel, timer).Wait();
                         };
                     case RpcType.STREAMING:
                         return () =>
                         {
-                            RunClosedLoopStreamingAsync().Wait();
+                            RunStreamingPingPongAsync(channel, timer).Wait();
                         };
                 }
             }
@@ -292,5 +324,18 @@
         {
             return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
         }
+
+        private static IInterarrivalTimer CreateTimer(LoadParams loadParams, double loadMultiplier)
+        {
+            switch (loadParams.LoadCase)
+            {
+                case LoadParams.LoadOneofCase.ClosedLoop:
+                    return new ClosedLoopInterarrivalTimer();
+                case LoadParams.LoadOneofCase.Poisson:
+                    return new PoissonInterarrivalTimer(loadParams.Poisson.OfferedLoad * loadMultiplier);
+                default:
+                    throw new ArgumentException("Unknown load type");
+            }
+        }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
new file mode 100644
index 0000000..37786b6
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedClientTest.cs
@@ -0,0 +1,106 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using Moq;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class GeneratedClientTest
+    {
+        TestService.TestServiceClient unimplementedClient = new UnimplementedTestServiceClient();
+
+        [Test]
+        public void ExpandedParamOverloadCanBeMocked()
+        {
+            var expected = new SimpleResponse();
+
+            var mockClient = new Mock<TestService.TestServiceClient>();
+            // mocking is relatively clumsy because one needs to specify value for all the optional params.
+            mockClient.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), null, null, CancellationToken.None)).Returns(expected);
+
+            Assert.AreSame(expected, mockClient.Object.UnaryCall(new SimpleRequest()));
+        }
+
+        [Test]
+        public void CallOptionsOverloadCanBeMocked()
+        {
+            var expected = new SimpleResponse();
+
+            var mockClient = new Mock<TestService.TestServiceClient>();
+            mockClient.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<CallOptions>())).Returns(expected);
+
+            Assert.AreSame(expected, mockClient.Object.UnaryCall(new SimpleRequest(), new CallOptions()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_UnaryCall()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.UnaryCall(new SimpleRequest()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_ClientStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.StreamingInputCall());
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_ServerStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.StreamingOutputCall(new StreamingOutputCallRequest()));
+        }
+
+        [Test]
+        public void DefaultMethodStubThrows_DuplexStreaming()
+        {
+            Assert.Throws(typeof(NotImplementedException), () => unimplementedClient.FullDuplexCall());
+        }
+
+        /// <summary>
+        /// Subclass of the generated client that doesn't override any method stubs.
+        /// </summary>
+        private class UnimplementedTestServiceClient : TestService.TestServiceClient
+        {
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs b/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
new file mode 100644
index 0000000..99aa729
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/GeneratedServiceBaseTest.cs
@@ -0,0 +1,116 @@
+#region Copyright notice and license
+
+// Copyright 2015-2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using Moq;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class GeneratedServiceBaseTest
+    {
+        const string Host = "localhost";
+        Server server;
+        Channel channel;
+        TestService.TestServiceClient client;
+
+        [SetUp]
+        public void Init()
+        {
+            server = new Server
+            {
+                Services = { TestService.BindService(new UnimplementedTestServiceImpl()) },
+                Ports = { { Host, ServerPort.PickUnused, SslServerCredentials.Insecure } }
+            };
+            server.Start();
+            channel = new Channel(Host, server.Ports.Single().BoundPort, ChannelCredentials.Insecure);
+            client = TestService.NewClient(channel);
+        }
+
+        [TearDown]
+        public void Cleanup()
+        {
+            channel.ShutdownAsync().Wait();
+            server.ShutdownAsync().Wait();
+        }
+
+        [Test]
+        public void UnimplementedByDefault_Unary()
+        {
+            var ex = Assert.Throws<RpcException>(() => client.UnaryCall(new SimpleRequest { }));
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
+
+        [Test]
+        public async Task UnimplementedByDefault_ClientStreaming()
+        {
+            var call = client.StreamingInputCall();
+
+            var ex = Assert.Throws<RpcException>(async () => await call);
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
+
+        [Test]
+        public async Task UnimplementedByDefault_ServerStreamingCall()
+        {
+            var call = client.StreamingOutputCall(new StreamingOutputCallRequest());
+
+            var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
+
+        [Test]
+        public async Task UnimplementedByDefault_DuplexStreamingCall()
+        {
+            var call = client.FullDuplexCall();
+
+            var ex = Assert.Throws<RpcException>(async () => await call.ResponseStream.MoveNext());
+            Assert.AreEqual(StatusCode.Unimplemented, ex.Status.StatusCode);
+        }
+
+        /// <summary>
+        /// Implementation of TestService that doesn't override any methods.
+        /// </summary>
+        private class UnimplementedTestServiceImpl : TestService.TestServiceBase
+        {
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
index d3c572f..7ea80b1 100644
--- a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
+++ b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
@@ -84,7 +84,6 @@
     <Compile Include="..\Grpc.Core\Version.cs">
       <Link>Version.cs</Link>
     </Compile>
-    <Compile Include="HeaderInterceptorTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Empty.cs" />
     <Compile Include="Messages.cs" />
@@ -114,6 +113,9 @@
     <Compile Include="QpsWorker.cs" />
     <Compile Include="WallClockStopwatch.cs" />
     <Compile Include="GenericService.cs" />
+    <Compile Include="GeneratedServiceBaseTest.cs" />
+    <Compile Include="GeneratedClientTest.cs" />
+    <Compile Include="InterarrivalTimers.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs b/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs
new file mode 100644
index 0000000..6492d34
--- /dev/null
+++ b/src/csharp/Grpc.IntegrationTesting/InterarrivalTimers.cs
@@ -0,0 +1,148 @@
+#region Copyright notice and license
+
+// Copyright 2016, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    public interface IInterarrivalTimer
+    {
+        void WaitForNext();
+
+        Task WaitForNextAsync();
+    }
+
+    /// <summary>
+    /// Interarrival timer that doesn't wait at all.
+    /// </summary>
+    public class ClosedLoopInterarrivalTimer : IInterarrivalTimer
+    {
+        public ClosedLoopInterarrivalTimer()
+        {
+        }
+
+        public void WaitForNext()
+        {
+            // NOP
+        }
+
+        public Task WaitForNextAsync()
+        {
+            return Task.FromResult<object>(null);
+        }
+    }
+
+    /// <summary>
+    /// Interarrival timer that generates Poisson process load.
+    /// </summary>
+    public class PoissonInterarrivalTimer : IInterarrivalTimer
+    {
+        readonly ExponentialDistribution exponentialDistribution;
+        DateTime? lastEventTime;
+
+        public PoissonInterarrivalTimer(double offeredLoad)
+        {
+            this.exponentialDistribution = new ExponentialDistribution(new Random(), offeredLoad);
+            this.lastEventTime = DateTime.UtcNow;
+        }
+
+        public void WaitForNext()
+        {
+            var waitDuration = GetNextWaitDuration();
+            int millisTimeout = (int) Math.Round(waitDuration.TotalMilliseconds);
+            if (millisTimeout > 0)
+            {
+                // TODO(jtattermusch): probably only works well for a relatively low interarrival rate
+                Thread.Sleep(millisTimeout);
+            }
+        }
+
+        public async Task WaitForNextAsync()
+        {
+            var waitDuration = GetNextWaitDuration();
+            int millisTimeout = (int) Math.Round(waitDuration.TotalMilliseconds);
+            if (millisTimeout > 0)
+            {
+                // TODO(jtattermusch): probably only works well for a relatively low interarrival rate
+                await Task.Delay(millisTimeout);
+            }
+        }
+
+        private TimeSpan GetNextWaitDuration()
+        {
+            if (!lastEventTime.HasValue)
+            {
+                this.lastEventTime = DateTime.Now;
+            }
+
+            var origLastEventTime = this.lastEventTime.Value;
+            this.lastEventTime = origLastEventTime + TimeSpan.FromSeconds(exponentialDistribution.Next());
+            return this.lastEventTime.Value - origLastEventTime;
+        }
+
+        /// <summary>
+        /// Exp generator.
+        /// </summary>
+        private class ExponentialDistribution
+        {
+            readonly Random random;
+            readonly double lambda;
+            readonly double lambdaReciprocal;
+
+            public ExponentialDistribution(Random random, double lambda)
+            {
+                this.random = random;
+                this.lambda = lambda;
+                this.lambdaReciprocal = 1.0 / lambda;
+            }
+
+            public double Next()
+            {
+                double uniform = random.NextDouble();
+                // Use 1.0-uni above to avoid NaN if uni is 0
+                return lambdaReciprocal * (-Math.Log(1.0 - uniform));
+            }
+        }
+    }
+}
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index b0e33e4..7ca5221 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -217,7 +217,7 @@
             }
         }
 
-        public static void RunEmptyUnary(TestService.ITestServiceClient client)
+        public static void RunEmptyUnary(TestService.TestServiceClient client)
         {
             Console.WriteLine("running empty_unary");
             var response = client.EmptyCall(new Empty());
@@ -225,7 +225,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static void RunLargeUnary(TestService.ITestServiceClient client)
+        public static void RunLargeUnary(TestService.TestServiceClient client)
         {
             Console.WriteLine("running large_unary");
             var request = new SimpleRequest
@@ -241,7 +241,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunClientStreamingAsync(TestService.ITestServiceClient client)
+        public static async Task RunClientStreamingAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running client_streaming");
 
@@ -257,7 +257,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunServerStreamingAsync(TestService.ITestServiceClient client)
+        public static async Task RunServerStreamingAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running server_streaming");
 
@@ -281,7 +281,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunPingPongAsync(TestService.ITestServiceClient client)
+        public static async Task RunPingPongAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running ping_pong");
 
@@ -338,7 +338,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunEmptyStreamAsync(TestService.ITestServiceClient client)
+        public static async Task RunEmptyStreamAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running empty_stream");
             using (var call = client.FullDuplexCall())
@@ -434,7 +434,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCancelAfterBeginAsync(TestService.ITestServiceClient client)
+        public static async Task RunCancelAfterBeginAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running cancel_after_begin");
 
@@ -451,7 +451,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCancelAfterFirstResponseAsync(TestService.ITestServiceClient client)
+        public static async Task RunCancelAfterFirstResponseAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running cancel_after_first_response");
 
@@ -477,7 +477,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunTimeoutOnSleepingServerAsync(TestService.ITestServiceClient client)
+        public static async Task RunTimeoutOnSleepingServerAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running timeout_on_sleeping_server");
 
@@ -499,7 +499,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunCustomMetadataAsync(TestService.ITestServiceClient client)
+        public static async Task RunCustomMetadataAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running custom_metadata");
             {
@@ -546,7 +546,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static async Task RunStatusCodeAndMessageAsync(TestService.ITestServiceClient client)
+        public static async Task RunStatusCodeAndMessageAsync(TestService.TestServiceClient client)
         {
             Console.WriteLine("running status_code_and_message");
             var echoStatus = new EchoStatus
@@ -580,7 +580,7 @@
             Console.WriteLine("Passed!");
         }
 
-        public static void RunUnimplementedMethod(UnimplementedService.IUnimplementedServiceClient client)
+        public static void RunUnimplementedMethod(UnimplementedService.UnimplementedServiceClient client)
         {
             Console.WriteLine("running unimplemented_method");
             var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
index 5facb87..4ee1ff5 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
@@ -51,7 +51,7 @@
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()
diff --git a/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
index 1c8bfed..f95af50 100644
--- a/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/MetadataCredentialsTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -50,15 +50,15 @@
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
         List<ChannelOption> options;
-        Mock<TestService.ITestService> serviceMock;
+        Mock<TestService.TestServiceBase> serviceMock;
         AsyncAuthInterceptor asyncAuthInterceptor;
 
         [SetUp]
         public void Init()
         {
-            serviceMock = new Mock<TestService.ITestService>();
+            serviceMock = new Mock<TestService.TestServiceBase>();
             serviceMock.Setup(m => m.UnaryCall(It.IsAny<SimpleRequest>(), It.IsAny<ServerCallContext>()))
                 .Returns(new Func<SimpleRequest, ServerCallContext, Task<SimpleResponse>>(UnaryCallHandler));
 
diff --git a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
index 996439a..46b16cf 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs
@@ -36,6 +36,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IBenchmarkServiceClient
     {
       global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -47,47 +48,73 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IBenchmarkService
     {
       Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context);
       Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class BenchmarkServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class BenchmarkServiceClient : ClientBase, IBenchmarkServiceClient
+    public class BenchmarkServiceClient : ClientBase<BenchmarkServiceClient>, IBenchmarkServiceClient
     {
       public BenchmarkServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public BenchmarkServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected BenchmarkServiceClient() : base()
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected BenchmarkServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return UnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.BlockingUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return UnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return StreamingCall(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
+      {
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_StreamingCall, null, options);
+      }
+      protected override BenchmarkServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new BenchmarkServiceClient(configuration);
       }
     }
 
@@ -99,6 +126,14 @@
           .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(BenchmarkServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
+    }
+
     // creates a new client
     public static BenchmarkServiceClient NewClient(Channel channel)
     {
@@ -153,6 +188,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IWorkerServiceClient
     {
       AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -170,6 +206,7 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IWorkerService
     {
       Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context);
@@ -178,71 +215,100 @@
       Task<global::Grpc.Testing.Void> QuitWorker(global::Grpc.Testing.Void request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class WorkerServiceBase
+    {
+      public virtual Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task RunClient(IAsyncStreamReader<global::Grpc.Testing.ClientArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ClientStatus> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.CoreResponse> CoreCount(global::Grpc.Testing.CoreRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.Void> QuitWorker(global::Grpc.Testing.Void request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class WorkerServiceClient : ClientBase, IWorkerServiceClient
+    public class WorkerServiceClient : ClientBase<WorkerServiceClient>, IWorkerServiceClient
     {
       public WorkerServiceClient(Channel channel) : base(channel)
       {
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public WorkerServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_RunServer, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected WorkerServiceClient() : base()
       {
-        var call = CreateCall(__Method_RunServer, options);
-        return Calls.AsyncDuplexStreamingCall(call);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected WorkerServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_RunClient, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
+
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_RunClient, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return RunServer(new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
       {
-        var call = CreateCall(__Method_CoreCount, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_RunServer, null, options);
       }
-      public global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_CoreCount, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return RunClient(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
       {
-        var call = CreateCall(__Method_CoreCount, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_RunClient, null, options);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, CallOptions options)
+      public virtual global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_CoreCount, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return CoreCount(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.CoreResponse CoreCount(global::Grpc.Testing.CoreRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_QuitWorker, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_CoreCount, null, options, request);
       }
-      public global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_QuitWorker, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return CoreCountAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.CoreResponse> CoreCountAsync(global::Grpc.Testing.CoreRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_QuitWorker, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_CoreCount, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, CallOptions options)
+      public virtual global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_QuitWorker, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return QuitWorker(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Void QuitWorker(global::Grpc.Testing.Void request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_QuitWorker, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return QuitWorkerAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Void> QuitWorkerAsync(global::Grpc.Testing.Void request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_QuitWorker, null, options, request);
+      }
+      protected override WorkerServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new WorkerServiceClient(configuration);
       }
     }
 
@@ -256,6 +322,16 @@
           .AddMethod(__Method_QuitWorker, serviceImpl.QuitWorker).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(WorkerServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_RunServer, serviceImpl.RunServer)
+          .AddMethod(__Method_RunClient, serviceImpl.RunClient)
+          .AddMethod(__Method_CoreCount, serviceImpl.CoreCount)
+          .AddMethod(__Method_QuitWorker, serviceImpl.QuitWorker).Build();
+    }
+
     // creates a new client
     public static WorkerServiceClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
index 37b2518..3df45b5 100644
--- a/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/SslCredentialsTest.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@
         const string Host = "localhost";
         Server server;
         Channel channel;
-        TestService.ITestServiceClient client;
+        TestService.TestServiceClient client;
 
         [TestFixtureSetUp]
         public void Init()
diff --git a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
index 2c46908..b84ec2d 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
@@ -69,6 +69,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface ITestServiceClient
     {
       global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -90,6 +91,7 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface ITestService
     {
       Task<global::Grpc.Testing.Empty> EmptyCall(global::Grpc.Testing.Empty request, ServerCallContext context);
@@ -100,91 +102,126 @@
       Task HalfDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class TestServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> EmptyCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<global::Grpc.Testing.StreamingInputCallRequest> requestStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task FullDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task HalfDuplexCall(IAsyncStreamReader<global::Grpc.Testing.StreamingOutputCallRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.StreamingOutputCallResponse> responseStream, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class TestServiceClient : ClientBase, ITestServiceClient
+    public class TestServiceClient : ClientBase<TestServiceClient>, ITestServiceClient
     {
       public TestServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public TestServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected TestServiceClient() : base()
       {
-        var call = CreateCall(__Method_EmptyCall, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected TestServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_EmptyCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+
+      public virtual global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_EmptyCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return EmptyCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.Empty EmptyCall(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_EmptyCall, null, options, request);
       }
-      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return EmptyCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> EmptyCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_EmptyCall, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnaryCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return UnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingOutputCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncServerStreamingCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingOutputCall, options);
-        return Calls.AsyncServerStreamingCall(call, request);
+        return UnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_StreamingInputCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncClientStreamingCall(call);
+        return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
       }
-      public AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_StreamingInputCall, options);
-        return Calls.AsyncClientStreamingCall(call);
+        return StreamingOutputCall(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncServerStreamingCall<global::Grpc.Testing.StreamingOutputCallResponse> StreamingOutputCall(global::Grpc.Testing.StreamingOutputCallRequest request, CallOptions options)
       {
-        var call = CreateCall(__Method_FullDuplexCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncServerStreamingCall(__Method_StreamingOutputCall, null, options, request);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
+      public virtual AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_FullDuplexCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return StreamingInputCall(new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncClientStreamingCall<global::Grpc.Testing.StreamingInputCallRequest, global::Grpc.Testing.StreamingInputCallResponse> StreamingInputCall(CallOptions options)
       {
-        var call = CreateCall(__Method_HalfDuplexCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncDuplexStreamingCall(call);
+        return CallInvoker.AsyncClientStreamingCall(__Method_StreamingInputCall, null, options);
       }
-      public AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_HalfDuplexCall, options);
-        return Calls.AsyncDuplexStreamingCall(call);
+        return FullDuplexCall(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> FullDuplexCall(CallOptions options)
+      {
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_FullDuplexCall, null, options);
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return HalfDuplexCall(new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncDuplexStreamingCall<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> HalfDuplexCall(CallOptions options)
+      {
+        return CallInvoker.AsyncDuplexStreamingCall(__Method_HalfDuplexCall, null, options);
+      }
+      protected override TestServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new TestServiceClient(configuration);
       }
     }
 
@@ -200,6 +237,18 @@
           .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(TestServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingOutputCall, serviceImpl.StreamingOutputCall)
+          .AddMethod(__Method_StreamingInputCall, serviceImpl.StreamingInputCall)
+          .AddMethod(__Method_FullDuplexCall, serviceImpl.FullDuplexCall)
+          .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall).Build();
+    }
+
     // creates a new client
     public static TestServiceClient NewClient(Channel channel)
     {
@@ -227,6 +276,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IUnimplementedServiceClient
     {
       global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -236,36 +286,59 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IUnimplementedService
     {
       Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class UnimplementedServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class UnimplementedServiceClient : ClientBase, IUnimplementedServiceClient
+    public class UnimplementedServiceClient : ClientBase<UnimplementedServiceClient>, IUnimplementedServiceClient
     {
       public UnimplementedServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public UnimplementedServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_UnimplementedCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected UnimplementedServiceClient() : base()
       {
-        var call = CreateCall(__Method_UnimplementedCall, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected UnimplementedServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_UnimplementedCall, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_UnimplementedCall, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return UnimplementedCall(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_UnimplementedCall, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return UnimplementedCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_UnimplementedCall, null, options, request);
+      }
+      protected override UnimplementedServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new UnimplementedServiceClient(configuration);
       }
     }
 
@@ -276,6 +349,13 @@
           .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(UnimplementedServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
+    }
+
     // creates a new client
     public static UnimplementedServiceClient NewClient(Channel channel)
     {
@@ -311,6 +391,7 @@
     }
 
     // client interface
+    [System.Obsolete("Client side interfaced will be removed in the next release. Use client class directly.")]
     public interface IReconnectServiceClient
     {
       global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
@@ -324,57 +405,81 @@
     }
 
     // server-side interface
+    [System.Obsolete("Service implementations should inherit from the generated abstract base class instead.")]
     public interface IReconnectService
     {
       Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.Empty request, ServerCallContext context);
       Task<global::Grpc.Testing.ReconnectInfo> Stop(global::Grpc.Testing.Empty request, ServerCallContext context);
     }
 
+    // server-side abstract class
+    public abstract class ReconnectServiceBase
+    {
+      public virtual Task<global::Grpc.Testing.Empty> Start(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      public virtual Task<global::Grpc.Testing.ReconnectInfo> Stop(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+    }
+
     // client stub
-    public class ReconnectServiceClient : ClientBase, IReconnectServiceClient
+    public class ReconnectServiceClient : ClientBase<ReconnectServiceClient>, IReconnectServiceClient
     {
       public ReconnectServiceClient(Channel channel) : base(channel)
       {
       }
-      public global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public ReconnectServiceClient(CallInvoker callInvoker) : base(callInvoker)
       {
-        var call = CreateCall(__Method_Start, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, CallOptions options)
+      ///<summary>Protected parameterless constructor to allow creation of test doubles.</summary>
+      protected ReconnectServiceClient() : base()
       {
-        var call = CreateCall(__Method_Start, options);
-        return Calls.BlockingUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      ///<summary>Protected constructor to allow creation of configured clients.</summary>
+      protected ReconnectServiceClient(ClientBaseConfiguration configuration) : base(configuration)
       {
-        var call = CreateCall(__Method_Start, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, CallOptions options)
+
+      public virtual global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Start, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Start(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual global::Grpc.Testing.Empty Start(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_Stop, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.BlockingUnaryCall(call, request);
+        return CallInvoker.BlockingUnaryCall(__Method_Start, null, options, request);
       }
-      public global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Stop, options);
-        return Calls.BlockingUnaryCall(call, request);
+        return StartAsync(request, new CallOptions(headers, deadline, cancellationToken));
       }
-      public AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> StartAsync(global::Grpc.Testing.Empty request, CallOptions options)
       {
-        var call = CreateCall(__Method_Stop, new CallOptions(headers, deadline, cancellationToken));
-        return Calls.AsyncUnaryCall(call, request);
+        return CallInvoker.AsyncUnaryCall(__Method_Start, null, options, request);
       }
-      public AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      public virtual global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
       {
-        var call = CreateCall(__Method_Stop, options);
-        return Calls.AsyncUnaryCall(call, request);
+        return Stop(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual global::Grpc.Testing.ReconnectInfo Stop(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_Stop, null, options, request);
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return StopAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      public virtual AsyncUnaryCall<global::Grpc.Testing.ReconnectInfo> StopAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_Stop, null, options, request);
+      }
+      protected override ReconnectServiceClient NewInstance(ClientBaseConfiguration configuration)
+      {
+        return new ReconnectServiceClient(configuration);
       }
     }
 
@@ -386,6 +491,14 @@
           .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
     }
 
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(ReconnectServiceBase serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_Start, serviceImpl.Start)
+          .AddMethod(__Method_Stop, serviceImpl.Stop).Build();
+    }
+
     // creates a new client
     public static ReconnectServiceClient NewClient(Channel channel)
     {
diff --git a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
index 5a1b4cf..354318e 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestServiceImpl.cs
@@ -1,6 +1,6 @@
 #region Copyright notice and license
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -45,14 +45,14 @@
     /// <summary>
     /// Implementation of TestService server
     /// </summary>
-    public class TestServiceImpl : TestService.ITestService
+    public class TestServiceImpl : TestService.TestServiceBase
     {
-        public Task<Empty> EmptyCall(Empty request, ServerCallContext context)
+        public override Task<Empty> EmptyCall(Empty request, ServerCallContext context)
         {
             return Task.FromResult(new Empty());
         }
 
-        public async Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        public override async Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
             EnsureEchoStatus(request.ResponseStatus, context);
@@ -61,7 +61,7 @@
             return response;
         }
 
-        public async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task StreamingOutputCall(StreamingOutputCallRequest request, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
             EnsureEchoStatus(request.ResponseStatus, context);
@@ -73,7 +73,7 @@
             }
         }
 
-        public async Task<StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<StreamingInputCallRequest> requestStream, ServerCallContext context)
+        public override async Task<StreamingInputCallResponse> StreamingInputCall(IAsyncStreamReader<StreamingInputCallRequest> requestStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
 
@@ -85,7 +85,7 @@
             return new StreamingInputCallResponse { AggregatedPayloadSize = sum };
         }
 
-        public async Task FullDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task FullDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             await EnsureEchoMetadataAsync(context);
 
@@ -100,7 +100,7 @@
             });
         }
 
-        public async Task HalfDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
+        public override async Task HalfDuplexCall(IAsyncStreamReader<StreamingOutputCallRequest> requestStream, IServerStreamWriter<StreamingOutputCallResponse> responseStream, ServerCallContext context)
         {
             throw new NotImplementedException();
         }
diff --git a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
index e5ad0ca..80dad9f 100644
--- a/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
+++ b/src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs
@@ -45,7 +45,7 @@
     /// <summary>
     /// Implementation of WorkerService server
     /// </summary>
-    public class WorkerServiceImpl : WorkerService.IWorkerService
+    public class WorkerServiceImpl : WorkerService.WorkerServiceBase
     {
         readonly Action stopRequestHandler;
 
@@ -54,7 +54,7 @@
             this.stopRequestHandler = GrpcPreconditions.CheckNotNull(stopRequestHandler);
         }
         
-        public async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
+        public override async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
         {
             GrpcPreconditions.CheckState(await requestStream.MoveNext());
             var serverConfig = requestStream.Current.Setup;
@@ -78,7 +78,7 @@
             await runner.StopAsync();
         }
 
-        public async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
+        public override async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
         {
             GrpcPreconditions.CheckState(await requestStream.MoveNext());
             var clientConfig = requestStream.Current.Setup;
@@ -100,12 +100,12 @@
             await runner.StopAsync();
         }
 
-        public Task<CoreResponse> CoreCount(CoreRequest request, ServerCallContext context)
+        public override Task<CoreResponse> CoreCount(CoreRequest request, ServerCallContext context)
         {
             return Task.FromResult(new CoreResponse { Cores = Environment.ProcessorCount });
         }
 
-        public Task<Void> QuitWorker(Void request, ServerCallContext context)
+        public override Task<Void> QuitWorker(Void request, ServerCallContext context)
         {
             stopRequestHandler();
             return Task.FromResult(new Void());
diff --git a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
index 6a1795b..cc688e2 100644
--- a/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
+++ b/src/csharp/grpc.native.csharp/grpc.native.csharp.nuspec
@@ -10,7 +10,7 @@
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <description>Native extension needed by gRPC C# library. This is not the package you are looking for, it is only meant to be used as a dependency.</description>
     <releaseNotes>Release of gRPC C core $version$ libraries.</releaseNotes>
-    <copyright>Copyright 2015-2016</copyright>
+    <copyright>Copyright 2015</copyright>
     <title>gRPC C# Native Extension</title>
     <summary>Native library required by gRPC C#</summary>
     <tags>gRPC native</tags>
diff --git a/src/csharp/tests.json b/src/csharp/tests.json
index d66cb1b..718bfa3 100644
--- a/src/csharp/tests.json
+++ b/src/csharp/tests.json
@@ -36,8 +36,9 @@
     "Math.Tests.MathClientServerTest",
     "Grpc.HealthCheck.Tests.HealthClientServerTest",
     "Grpc.HealthCheck.Tests.HealthServiceImplTest",
-    "Grpc.IntegrationTesting.HeaderInterceptorTest",
     "Grpc.IntegrationTesting.HistogramTest",
+    "Grpc.IntegrationTesting.GeneratedClientTest",
+    "Grpc.IntegrationTesting.GeneratedServiceBaseTest",
     "Grpc.IntegrationTesting.InteropClientServerTest",
     "Grpc.IntegrationTesting.MetadataCredentialsTest",
     "Grpc.IntegrationTesting.RunnerClientServerTest",
diff --git a/src/node/stress/stress_client.js b/src/node/stress/stress_client.js
index 8332652..6054d3a 100644
--- a/src/node/stress/stress_client.js
+++ b/src/node/stress/stress_client.js
@@ -102,7 +102,7 @@
   var argv = parseArgs(process.argv, {
     string: ['server_addresses', 'test_cases', 'metrics_port'],
     default: {'server_addresses': 'localhost:8080',
-              'test_duration-secs': -1,
+              'test_duration_secs': -1,
               'num_channels_per_server': 1,
               'num_stubs_per_channel': 1,
               'metrics_port': '8081'}
@@ -118,8 +118,8 @@
   }));
   start(server_addresses, test_cases, argv.num_channels_per_server,
         argv.num_stubs_per_channel, argv.metrics_port);
-  if (argv['test_duration-secs'] > -1) {
-    setTimeout(stop, argv['test_duration-secs'] * 1000);
+  if (argv.test_duration_secs > -1) {
+    setTimeout(stop, argv.test_duration_secs * 1000);
   }
 }
 
diff --git a/src/node/tools/bin/protoc.js b/src/node/tools/bin/protoc.js
new file mode 100755
index 0000000..0c6d7ce
--- /dev/null
+++ b/src/node/tools/bin/protoc.js
@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/**
+ * This file is required because package.json cannot reference a file that
+ * is not distributed with the package, and we use node-pre-gyp to distribute
+ * the protoc binary
+ */
+
+'use strict';
+
+var path = require('path');
+var execFile = require('child_process').execFile;
+
+var protoc = path.resolve(__dirname, 'protoc');
+
+execFile(protoc, process.argv.slice(2), function(error, stdout, stderr) {
+  if (error) {
+    throw error;
+  }
+  console.log(stdout);
+  console.log(stderr);
+});
diff --git a/src/node/tools/index.js b/src/node/tools/index.js
new file mode 100644
index 0000000..2de3918
--- /dev/null
+++ b/src/node/tools/index.js
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+/**
+ * package.json requires this file to be present. In the future, this can
+ * export useful information about the included tools.
+ */
+
+module.exports = {};
diff --git a/src/node/tools/package.json b/src/node/tools/package.json
new file mode 100644
index 0000000..4b3499f
--- /dev/null
+++ b/src/node/tools/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "grpc-tools",
+  "version": "0.14.0-dev",
+  "author": "Google Inc.",
+  "description": "Tools for developing with gRPC on Node.js",
+  "homepage": "http://www.grpc.io/",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/grpc/grpc.git"
+  },
+  "bugs": "https://github.com/grpc/grpc/issues",
+  "contributors": [
+    {
+      "name": "Michael Lumish",
+      "email": "mlumish@google.com"
+    }
+  ],
+  "bin": {
+    "grpc-tools-protoc": "./bin/protoc.js"
+  },
+  "scripts": {
+    "install": "./node_modules/.bin/node-pre-gyp install"
+  },
+  "bundledDependencies": ["node-pre-gyp"],
+  "binary": {
+    "module_name": "grpc_tools",
+    "host": "https://storage.googleapis.com/",
+    "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
+    "package_name": "{platform}-{arch}.tar.gz",
+    "module_path": "bin"
+  },
+  "files": [
+    "index.js",
+    "bin/protoc.js",
+    "LICENSE"
+  ],
+  "main": "index.js"
+}
diff --git a/src/proto/grpc/testing/control.proto b/src/proto/grpc/testing/control.proto
index 11e752a..458b19c 100644
--- a/src/proto/grpc/testing/control.proto
+++ b/src/proto/grpc/testing/control.proto
@@ -169,3 +169,28 @@
 
 message Void {
 }
+
+// A single performance scenario: input to qps_json_driver
+message Scenario {
+  // Human readable name for this scenario
+  string name = 1;
+  // Client configuration
+  ClientConfig client_config = 2;
+  // Number of clients to start for the test
+  int32 num_clients = 3;
+  // Server configuration
+  ServerConfig server_config = 4;
+  // Number of servers to start for the test
+  int32 num_servers = 5;
+  // Warmup period, in seconds
+  int32 warmup_seconds = 6;
+  // Benchmark time, in seconds
+  int32 benchmark_seconds = 7;
+  // Number of workers to spawn locally (usually zero)
+  int32 spawn_local_worker_count = 8;
+}
+
+// A set of scenarios to be run with qps_json_driver
+message Scenarios {
+  repeated Scenario scenarios = 1;
+}
diff --git a/src/proto/grpc/testing/messages.proto b/src/proto/grpc/testing/messages.proto
index 193b6c4..a063b47 100644
--- a/src/proto/grpc/testing/messages.proto
+++ b/src/proto/grpc/testing/messages.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -159,6 +159,12 @@
 }
 
 // For reconnect interop test only.
+// Client tells server what reconnection parameters it used.
+message ReconnectParams {
+  int32 max_reconnect_backoff_ms = 1;
+}
+
+// For reconnect interop test only.
 // Server tells client whether its reconnects are following the spec and the
 // reconnect backoffs it saw.
 message ReconnectInfo {
diff --git a/src/proto/grpc/testing/metrics.proto b/src/proto/grpc/testing/metrics.proto
index 0cc4b60..1202b20 100644
--- a/src/proto/grpc/testing/metrics.proto
+++ b/src/proto/grpc/testing/metrics.proto
@@ -1,4 +1,4 @@
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,7 @@
   string name = 1;
   oneof value {
     int64 long_value = 2;
-    double double_vale = 3;
+    double double_value = 3;
     string string_value = 4;
   }
 }
diff --git a/src/proto/grpc/testing/test.proto b/src/proto/grpc/testing/test.proto
index 9faba29..84369db 100644
--- a/src/proto/grpc/testing/test.proto
+++ b/src/proto/grpc/testing/test.proto
@@ -1,5 +1,5 @@
 
-// Copyright 2015, Google Inc.
+// Copyright 2015-2016, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
@@ -80,6 +80,6 @@
 
 // A service used to control reconnect server.
 service ReconnectService {
-  rpc Start(grpc.testing.Empty) returns (grpc.testing.Empty);
+  rpc Start(grpc.testing.ReconnectParams) returns (grpc.testing.Empty);
   rpc Stop(grpc.testing.Empty) returns (grpc.testing.ReconnectInfo);
 }
diff --git a/src/python/grpcio/grpc/_cython/imports.generated.h b/src/python/grpcio/grpc/_cython/imports.generated.h
index adcd8e9..272e85b 100644
--- a/src/python/grpcio/grpc/_cython/imports.generated.h
+++ b/src/python/grpcio/grpc/_cython/imports.generated.h
@@ -283,7 +283,7 @@
 typedef grpc_call_error(*grpc_server_request_call_type)(grpc_server *server, grpc_call **call, grpc_call_details *details, grpc_metadata_array *request_metadata, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
 extern grpc_server_request_call_type grpc_server_request_call_import;
 #define grpc_server_request_call grpc_server_request_call_import
-typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, uint32_t flags);
+typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, grpc_server_register_method_payload_handling payload_handling, uint32_t flags);
 extern grpc_server_register_method_type grpc_server_register_method_import;
 #define grpc_server_register_method grpc_server_register_method_import
 typedef grpc_call_error(*grpc_server_request_registered_call_type)(grpc_server *server, void *registered_method, grpc_call **call, gpr_timespec *deadline, grpc_metadata_array *request_metadata, grpc_byte_buffer **optional_payload, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
diff --git a/src/python/grpcio/grpc/beta/implementations.py b/src/python/grpcio/grpc/beta/implementations.py
index 06ee7aa..742e94d 100644
--- a/src/python/grpcio/grpc/beta/implementations.py
+++ b/src/python/grpcio/grpc/beta/implementations.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 875ff49..1f7f2a1 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -74,75 +74,18 @@
   'src/core/lib/support/tmpfile_posix.c',
   'src/core/lib/support/tmpfile_win32.c',
   'src/core/lib/support/wrap_memcpy.c',
-  'src/core/ext/census/context.c',
-  'src/core/ext/census/grpc_context.c',
-  'src/core/ext/census/grpc_filter.c',
-  'src/core/ext/census/grpc_plugin.c',
-  'src/core/ext/census/initialize.c',
-  'src/core/ext/census/mlog.c',
-  'src/core/ext/census/operation.c',
-  'src/core/ext/census/placeholders.c',
-  'src/core/ext/census/tracing.c',
-  'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
-  'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
-  'src/core/ext/lb_policy/pick_first/pick_first.c',
-  'src/core/ext/lb_policy/round_robin/round_robin.c',
-  'src/core/ext/resolver/dns/native/dns_resolver.c',
-  'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
-  'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
-  'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
-  'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
-  'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
-  'src/core/ext/transport/chttp2/transport/alpn.c',
-  'src/core/ext/transport/chttp2/transport/bin_encoder.c',
-  'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
-  'src/core/ext/transport/chttp2/transport/frame_data.c',
-  'src/core/ext/transport/chttp2/transport/frame_goaway.c',
-  'src/core/ext/transport/chttp2/transport/frame_ping.c',
-  'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
-  'src/core/ext/transport/chttp2/transport/frame_settings.c',
-  'src/core/ext/transport/chttp2/transport/frame_window_update.c',
-  'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
-  'src/core/ext/transport/chttp2/transport/hpack_parser.c',
-  'src/core/ext/transport/chttp2/transport/hpack_table.c',
-  'src/core/ext/transport/chttp2/transport/huffsyms.c',
-  'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
-  'src/core/ext/transport/chttp2/transport/parsing.c',
-  'src/core/ext/transport/chttp2/transport/status_conversion.c',
-  'src/core/ext/transport/chttp2/transport/stream_lists.c',
-  'src/core/ext/transport/chttp2/transport/stream_map.c',
-  'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
-  'src/core/ext/transport/chttp2/transport/varint.c',
-  'src/core/ext/transport/chttp2/transport/writing.c',
   'src/core/lib/channel/channel_args.c',
   'src/core/lib/channel/channel_stack.c',
   'src/core/lib/channel/channel_stack_builder.c',
-  'src/core/lib/channel/client_channel.c',
   'src/core/lib/channel/compress_filter.c',
   'src/core/lib/channel/connected_channel.c',
   'src/core/lib/channel/http_client_filter.c',
   'src/core/lib/channel/http_server_filter.c',
-  'src/core/lib/channel/subchannel_call_holder.c',
-  'src/core/lib/client_config/client_config.c',
-  'src/core/lib/client_config/connector.c',
-  'src/core/lib/client_config/default_initial_connect_string.c',
-  'src/core/lib/client_config/initial_connect_string.c',
-  'src/core/lib/client_config/lb_policy.c',
-  'src/core/lib/client_config/lb_policy_factory.c',
-  'src/core/lib/client_config/lb_policy_registry.c',
-  'src/core/lib/client_config/resolver.c',
-  'src/core/lib/client_config/resolver_factory.c',
-  'src/core/lib/client_config/resolver_registry.c',
-  'src/core/lib/client_config/subchannel.c',
-  'src/core/lib/client_config/subchannel_factory.c',
-  'src/core/lib/client_config/subchannel_index.c',
-  'src/core/lib/client_config/uri_parser.c',
   'src/core/lib/compression/compression_algorithm.c',
   'src/core/lib/compression/message_compress.c',
   'src/core/lib/debug/trace.c',
   'src/core/lib/http/format_request.c',
   'src/core/lib/http/httpcli.c',
-  'src/core/lib/http/httpcli_security_connector.c',
   'src/core/lib/http/parser.c',
   'src/core/lib/iomgr/closure.c',
   'src/core/lib/iomgr/endpoint.c',
@@ -187,6 +130,56 @@
   'src/core/lib/json/json_reader.c',
   'src/core/lib/json/json_string.c',
   'src/core/lib/json/json_writer.c',
+  'src/core/lib/surface/alarm.c',
+  'src/core/lib/surface/api_trace.c',
+  'src/core/lib/surface/byte_buffer.c',
+  'src/core/lib/surface/byte_buffer_reader.c',
+  'src/core/lib/surface/call.c',
+  'src/core/lib/surface/call_details.c',
+  'src/core/lib/surface/call_log_batch.c',
+  'src/core/lib/surface/channel.c',
+  'src/core/lib/surface/channel_init.c',
+  'src/core/lib/surface/channel_ping.c',
+  'src/core/lib/surface/channel_stack_type.c',
+  'src/core/lib/surface/completion_queue.c',
+  'src/core/lib/surface/event_string.c',
+  'src/core/lib/surface/init.c',
+  'src/core/lib/surface/lame_client.c',
+  'src/core/lib/surface/metadata_array.c',
+  'src/core/lib/surface/server.c',
+  'src/core/lib/surface/validate_metadata.c',
+  'src/core/lib/surface/version.c',
+  'src/core/lib/transport/byte_stream.c',
+  'src/core/lib/transport/connectivity_state.c',
+  'src/core/lib/transport/metadata.c',
+  'src/core/lib/transport/metadata_batch.c',
+  'src/core/lib/transport/static_metadata.c',
+  'src/core/lib/transport/transport.c',
+  'src/core/lib/transport/transport_op_string.c',
+  'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+  'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+  'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+  'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+  'src/core/ext/transport/chttp2/transport/frame_data.c',
+  'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+  'src/core/ext/transport/chttp2/transport/frame_ping.c',
+  'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+  'src/core/ext/transport/chttp2/transport/frame_settings.c',
+  'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+  'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+  'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+  'src/core/ext/transport/chttp2/transport/hpack_table.c',
+  'src/core/ext/transport/chttp2/transport/huffsyms.c',
+  'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+  'src/core/ext/transport/chttp2/transport/parsing.c',
+  'src/core/ext/transport/chttp2/transport/status_conversion.c',
+  'src/core/ext/transport/chttp2/transport/stream_lists.c',
+  'src/core/ext/transport/chttp2/transport/stream_map.c',
+  'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+  'src/core/ext/transport/chttp2/transport/varint.c',
+  'src/core/ext/transport/chttp2/transport/writing.c',
+  'src/core/ext/transport/chttp2/alpn/alpn.c',
+  'src/core/lib/http/httpcli_security_connector.c',
   'src/core/lib/security/b64.c',
   'src/core/lib/security/client_auth_filter.c',
   'src/core/lib/security/credentials.c',
@@ -201,41 +194,50 @@
   'src/core/lib/security/security_connector.c',
   'src/core/lib/security/security_context.c',
   'src/core/lib/security/server_auth_filter.c',
-  'src/core/lib/surface/alarm.c',
-  'src/core/lib/surface/api_trace.c',
-  'src/core/lib/surface/byte_buffer.c',
-  'src/core/lib/surface/byte_buffer_reader.c',
-  'src/core/lib/surface/call.c',
-  'src/core/lib/surface/call_details.c',
-  'src/core/lib/surface/call_log_batch.c',
-  'src/core/lib/surface/channel.c',
-  'src/core/lib/surface/channel_connectivity.c',
-  'src/core/lib/surface/channel_init.c',
-  'src/core/lib/surface/channel_ping.c',
-  'src/core/lib/surface/channel_stack_type.c',
-  'src/core/lib/surface/completion_queue.c',
-  'src/core/lib/surface/event_string.c',
-  'src/core/lib/surface/init.c',
   'src/core/lib/surface/init_secure.c',
-  'src/core/lib/surface/lame_client.c',
-  'src/core/lib/surface/metadata_array.c',
-  'src/core/lib/surface/server.c',
-  'src/core/lib/surface/validate_metadata.c',
-  'src/core/lib/surface/version.c',
-  'src/core/lib/transport/byte_stream.c',
-  'src/core/lib/transport/connectivity_state.c',
-  'src/core/lib/transport/metadata.c',
-  'src/core/lib/transport/metadata_batch.c',
-  'src/core/lib/transport/static_metadata.c',
-  'src/core/lib/transport/transport.c',
-  'src/core/lib/transport/transport_op_string.c',
   'src/core/lib/tsi/fake_transport_security.c',
   'src/core/lib/tsi/ssl_transport_security.c',
   'src/core/lib/tsi/transport_security.c',
-  'src/core/plugin_registry/grpc_plugin_registry.c',
+  'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+  'src/core/ext/client_config/channel_connectivity.c',
+  'src/core/ext/client_config/client_channel.c',
+  'src/core/ext/client_config/client_channel_factory.c',
+  'src/core/ext/client_config/client_config.c',
+  'src/core/ext/client_config/client_config_plugin.c',
+  'src/core/ext/client_config/connector.c',
+  'src/core/ext/client_config/default_initial_connect_string.c',
+  'src/core/ext/client_config/initial_connect_string.c',
+  'src/core/ext/client_config/lb_policy.c',
+  'src/core/ext/client_config/lb_policy_factory.c',
+  'src/core/ext/client_config/lb_policy_registry.c',
+  'src/core/ext/client_config/resolver.c',
+  'src/core/ext/client_config/resolver_factory.c',
+  'src/core/ext/client_config/resolver_registry.c',
+  'src/core/ext/client_config/subchannel.c',
+  'src/core/ext/client_config/subchannel_call_holder.c',
+  'src/core/ext/client_config/subchannel_index.c',
+  'src/core/ext/client_config/uri_parser.c',
+  'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+  'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+  'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+  'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
   'third_party/nanopb/pb_common.c',
   'third_party/nanopb/pb_decode.c',
   'third_party/nanopb/pb_encode.c',
+  'src/core/ext/lb_policy/pick_first/pick_first.c',
+  'src/core/ext/lb_policy/round_robin/round_robin.c',
+  'src/core/ext/resolver/dns/native/dns_resolver.c',
+  'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+  'src/core/ext/census/context.c',
+  'src/core/ext/census/grpc_context.c',
+  'src/core/ext/census/grpc_filter.c',
+  'src/core/ext/census/grpc_plugin.c',
+  'src/core/ext/census/initialize.c',
+  'src/core/ext/census/mlog.c',
+  'src/core/ext/census/operation.c',
+  'src/core/ext/census/placeholders.c',
+  'src/core/ext/census/tracing.c',
+  'src/core/plugin_registry/grpc_plugin_registry.c',
   'src/boringssl/err_data.c',
   'third_party/boringssl/crypto/aes/aes.c',
   'third_party/boringssl/crypto/aes/mode_wrappers.c',
diff --git a/src/python/grpcio/tests/interop/_secure_interop_test.py b/src/python/grpcio/tests/interop/_secure_interop_test.py
index 1a1a063..86d7e43 100644
--- a/src/python/grpcio/tests/interop/_secure_interop_test.py
+++ b/src/python/grpcio/tests/interop/_secure_interop_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/interop/client.py b/src/python/grpcio/tests/interop/client.py
index 02a37cc..1d10d7e 100644
--- a/src/python/grpcio/tests/interop/client.py
+++ b/src/python/grpcio/tests/interop/client.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/beta/_beta_features_test.py b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
index b8b77a9..bb2893a 100644
--- a/src/python/grpcio/tests/unit/beta/_beta_features_test.py
+++ b/src/python/grpcio/tests/unit/beta/_beta_features_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/python/grpcio/tests/unit/beta/_face_interface_test.py b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
index ea19ee4..3a67516 100644
--- a/src/python/grpcio/tests/unit/beta/_face_interface_test.py
+++ b/src/python/grpcio/tests/unit/beta/_face_interface_test.py
@@ -1,4 +1,4 @@
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index dc80d18..f5fdbb2 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -359,7 +359,7 @@
       md_ary->metadata[md_ary->count].value_length = value_len;
       md_ary->count += 1;
     }
-  } else {
+  } else if (TYPE(val) == T_STRING) {
     value_str = RSTRING_PTR(val);
     value_len = RSTRING_LEN(val);
     if (!grpc_is_binary_header(key_str, key_len) &&
@@ -373,6 +373,10 @@
     md_ary->metadata[md_ary->count].value = value_str;
     md_ary->metadata[md_ary->count].value_length = value_len;
     md_ary->count += 1;
+  } else {
+    rb_raise(rb_eArgError,
+               "Header values must be of type string or array");
+    return ST_STOP;
   }
 
   return ST_CONTINUE;
diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.h b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
index 22ea84c..c526f43 100644
--- a/src/ruby/ext/grpc/rb_grpc_imports.generated.h
+++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.h
@@ -283,7 +283,7 @@
 typedef grpc_call_error(*grpc_server_request_call_type)(grpc_server *server, grpc_call **call, grpc_call_details *details, grpc_metadata_array *request_metadata, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
 extern grpc_server_request_call_type grpc_server_request_call_import;
 #define grpc_server_request_call grpc_server_request_call_import
-typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, uint32_t flags);
+typedef void *(*grpc_server_register_method_type)(grpc_server *server, const char *method, const char *host, grpc_server_register_method_payload_handling payload_handling, uint32_t flags);
 extern grpc_server_register_method_type grpc_server_register_method_import;
 #define grpc_server_register_method grpc_server_register_method_import
 typedef grpc_call_error(*grpc_server_request_registered_call_type)(grpc_server *server, void *registered_method, grpc_call **call, gpr_timespec *deadline, grpc_metadata_array *request_metadata, grpc_byte_buffer **optional_payload, grpc_completion_queue *cq_bound_to_call, grpc_completion_queue *cq_for_notification, void *tag_new);
diff --git a/src/ruby/lib/grpc/generic/rpc_server.rb b/src/ruby/lib/grpc/generic/rpc_server.rb
index 4b5578b..5ba77db 100644
--- a/src/ruby/lib/grpc/generic/rpc_server.rb
+++ b/src/ruby/lib/grpc/generic/rpc_server.rb
@@ -403,7 +403,7 @@
       loop_handle_server_calls
     end
 
-    # Sends UNAVAILABLE if there are too many unprocessed jobs
+    # Sends RESOURCE_EXHAUSTED if there are too many unprocessed jobs
     def available?(an_rpc)
       jobs_count, max = @pool.jobs_waiting, @max_waiting_requests
       GRPC.logger.info("waiting: #{jobs_count}, max: #{max}")
@@ -411,7 +411,7 @@
       GRPC.logger.warn("NOT AVAILABLE: too many jobs_waiting: #{an_rpc}")
       noop = proc { |x| x }
       c = ActiveCall.new(an_rpc.call, @cq, noop, noop, an_rpc.deadline)
-      c.send_status(StatusCodes::UNAVAILABLE, '')
+      c.send_status(StatusCodes::RESOURCE_EXHAUSTED, '')
       nil
     end
 
diff --git a/src/ruby/spec/generic/client_stub_spec.rb b/src/ruby/spec/generic/client_stub_spec.rb
index 5e13c25..dd8e2e9 100644
--- a/src/ruby/spec/generic/client_stub_spec.rb
+++ b/src/ruby/spec/generic/client_stub_spec.rb
@@ -193,44 +193,45 @@
   describe '#client_streamer' do
     shared_examples 'client streaming' do
       before(:each) do
+        server_port = create_test_server
+        host = "localhost:#{server_port}"
+        @stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
+        @options = { k1: 'v1', k2: 'v2' }
         @sent_msgs = Array.new(3) { |i| 'msg_' + (i + 1).to_s }
         @resp = 'a_reply'
       end
 
       it 'should send requests to/receive a reply from a server' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
         th = run_client_streamer(@sent_msgs, @resp, @pass)
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        expect(get_response(stub)).to eq(@resp)
+        expect(get_response(@stub)).to eq(@resp)
         th.join
       end
 
       it 'should send metadata to the server ok' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
-        th = run_client_streamer(@sent_msgs, @resp, @pass,
-                                 k1: 'v1', k2: 'v2')
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        expect(get_response(stub)).to eq(@resp)
+        th = run_client_streamer(@sent_msgs, @resp, @pass, @options)
+        expect(get_response(@stub)).to eq(@resp)
         th.join
       end
 
       it 'should raise an error if the status is not ok' do
-        server_port = create_test_server
-        host = "localhost:#{server_port}"
         th = run_client_streamer(@sent_msgs, @resp, @fail)
-        stub = GRPC::ClientStub.new(host, @cq, :this_channel_is_insecure)
-        blk = proc { get_response(stub) }
+        blk = proc { get_response(@stub) }
         expect(&blk).to raise_error(GRPC::BadStatus)
         th.join
       end
+
+      it 'should raise ArgumentError if metadata contains invalid values' do
+        @options.merge!(k3: 3)
+        expect do
+          get_response(@stub)
+        end.to raise_error(ArgumentError,
+                           /Header values must be of type string or array/)
+      end
     end
 
     describe 'without a call operation' do
       def get_response(stub)
-        stub.client_streamer(@method, @sent_msgs, noop, noop,
-                             k1: 'v1', k2: 'v2')
+        stub.client_streamer(@method, @sent_msgs, noop, noop, @options)
       end
 
       it_behaves_like 'client streaming'
@@ -239,7 +240,7 @@
     describe 'via a call operation' do
       def get_response(stub)
         op = stub.client_streamer(@method, @sent_msgs, noop, noop,
-                                  return_op: true, k1: 'v1', k2: 'v2')
+                                  @options.merge(return_op: true))
         expect(op).to be_a(GRPC::ActiveCall::Operation)
         op.execute
       end
diff --git a/src/ruby/spec/generic/rpc_server_spec.rb b/src/ruby/spec/generic/rpc_server_spec.rb
index e16ba60..e688057 100644
--- a/src/ruby/spec/generic/rpc_server_spec.rb
+++ b/src/ruby/spec/generic/rpc_server_spec.rb
@@ -426,7 +426,7 @@
         threads.each(&:join)
       end
 
-      it 'should return UNAVAILABLE on too many jobs', server: true do
+      it 'should return RESOURCE_EXHAUSTED on too many jobs', server: true do
         opts = {
           a_channel_arg: 'an_arg',
           server_override: @server,
@@ -449,7 +449,8 @@
             begin
               stub.an_rpc(req)
             rescue GRPC::BadStatus => e
-              one_failed_as_unavailable = e.code == StatusCodes::UNAVAILABLE
+              one_failed_as_unavailable =
+                e.code == StatusCodes::RESOURCE_EXHAUSTED
             end
           end
         end
diff --git a/templates/src/node/tools/package.json.template b/templates/src/node/tools/package.json.template
new file mode 100644
index 0000000..c69de7c
--- /dev/null
+++ b/templates/src/node/tools/package.json.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  {
+    "name": "grpc-tools",
+    "version": "${settings.node_version}",
+    "author": "Google Inc.",
+    "description": "Tools for developing with gRPC on Node.js",
+    "homepage": "http://www.grpc.io/",
+    "repository": {
+      "type": "git",
+      "url": "https://github.com/grpc/grpc.git"
+    },
+    "bugs": "https://github.com/grpc/grpc/issues",
+    "contributors": [
+      {
+        "name": "Michael Lumish",
+        "email": "mlumish@google.com"
+      }
+    ],
+    "bin": {
+      "grpc-tools-protoc": "./bin/protoc.js"
+    },
+    "scripts": {
+      "install": "./node_modules/.bin/node-pre-gyp install"
+    },
+    "bundledDependencies": ["node-pre-gyp"],
+    "binary": {
+      "module_name": "grpc_tools",
+      "host": "https://storage.googleapis.com/",
+      "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
+      "package_name": "{platform}-{arch}.tar.gz",
+      "module_path": "bin"
+    },
+    "files": [
+      "index.js",
+      "bin/protoc.js",
+      "LICENSE"
+    ],
+    "main": "index.js"
+  }
diff --git a/templates/test/core/end2end/end2end_defs.include b/templates/test/core/end2end/end2end_defs.include
index fb44271..b828f84 100644
--- a/templates/test/core/end2end/end2end_defs.include
+++ b/templates/test/core/end2end/end2end_defs.include
@@ -37,18 +37,32 @@
 
 #include "test/core/end2end/end2end_tests.h"
 
+#include <stdbool.h>
 #include <string.h>
 
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 % for test in tests:
 extern void ${test}(grpc_end2end_test_config config);
+extern void ${test}_pre_init(void);
 % endfor
 
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+% for test in tests:
+  ${test}_pre_init();
+% endfor
+}
+
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
 % for test in tests:
     ${test}(config);
diff --git a/templates/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile.template b/templates/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile.template
deleted file mode 100644
index 5dd0da1..0000000
--- a/templates/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile.template
+++ /dev/null
@@ -1,40 +0,0 @@
-%YAML 1.2
---- |
-  # Copyright 2015, Google Inc.
-  # All rights reserved.
-  #
-  # Redistribution and use in source and binary forms, with or without
-  # modification, are permitted provided that the following conditions are
-  # met:
-  #
-  #     * Redistributions of source code must retain the above copyright
-  # notice, this list of conditions and the following disclaimer.
-  #     * Redistributions in binary form must reproduce the above
-  # copyright notice, this list of conditions and the following disclaimer
-  # in the documentation and/or other materials provided with the
-  # distribution.
-  #     * Neither the name of Google Inc. nor the names of its
-  # contributors may be used to endorse or promote products derived from
-  # this software without specific prior written permission.
-  #
-  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-  
-  FROM debian:jessie
-  
-  <%include file="../apt_get_basic.include"/>
-  <%include file="../ccache_setup.include"/>
-  <%include file="../cxx_deps.include"/>
-  <%include file="../gcp_api_libraries.include"/>
-  <%include file="../clang_update.include"/>
-  # Define the default command.
-  CMD ["bash"]
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template
new file mode 100644
index 0000000..ac087c5
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile.template
@@ -0,0 +1,40 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../ccache_setup.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../clang_update.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template b/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template
new file mode 100644
index 0000000..c50d38d
--- /dev/null
+++ b/templates/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../node_deps.include"/>
+  <%include file="../../gcp_api_libraries.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
diff --git a/templates/tools/fuzzer/runners.template b/templates/tools/fuzzer/runners.template
index aa81a65..5228f86 100644
--- a/templates/tools/fuzzer/runners.template
+++ b/templates/tools/fuzzer/runners.template
@@ -35,7 +35,7 @@
   # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   #
 
-  flags="-max_total_time=3600 -jobs=3 -workers=3"
+  flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=${selected.maxlen}"
   if [ "$config" == "asan-trace-cmp" ]
   then
     flags="-use_traces=1 $flags"
diff --git a/templates/tools/run_tests/sources_and_headers.json.template b/templates/tools/run_tests/sources_and_headers.json.template
index 18b9bc2..0755982 100644
--- a/templates/tools/run_tests/sources_and_headers.json.template
+++ b/templates/tools/run_tests/sources_and_headers.json.template
@@ -12,11 +12,13 @@
         out.extend(fmt % name for fmt in ['%s.grpc.pb.h', '%s.pb.h'])
     return out
 
-  def all_targets(targets, libs):
+  def all_targets(targets, libs, filegroups):
     for tgt in targets:
       yield ('target', tgt)
     for tgt in libs:
       yield ('lib', tgt)
+    for tgt in filegroups:
+      yield ('filegroup', tgt)
 
   def no_protos_filter(src):
   	return os.path.splitext(src)[1] != '.proto'
@@ -38,13 +40,15 @@
                  "language": tgt.language,
                  "third_party": tgt.boringssl or tgt.zlib,
                  "src": sorted(
-                     filter_srcs(tgt.src, (no_protos_filter, no_third_party_filter)) +
-                     filter_srcs(tgt.get('public_headers', []), (no_protos_filter, no_third_party_filter)) +
-                     filter_srcs(tgt.get('headers', []), (no_third_party_filter,))),
+                     filter_srcs(tgt.own_src, (no_protos_filter, no_third_party_filter)) +
+                     filter_srcs(tgt.own_public_headers, (no_protos_filter, no_third_party_filter)) +
+                     filter_srcs(tgt.own_headers, (no_third_party_filter,))),
                  "headers": sorted(
-                     tgt.get('public_headers', []) +
-                     tgt.get('headers', []) +
-                     proto_headers(tgt.src)),
-                 "deps": sorted(tgt.get('deps', []))}
-                for typ, tgt in all_targets(targets, libs)],
+                     tgt.own_public_headers +
+                     tgt.own_headers +
+                     proto_headers(tgt.own_src)),
+                 "deps": sorted(tgt.get('deps', []) +
+                                tgt.get('uses', []) +
+                                tgt.get('filegroups', []))}
+                for typ, tgt in all_targets(targets, libs, filegroups)],
                sort_keys=True, indent=2)}
diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 433ecf6..cd5b541 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -34,12 +34,15 @@
 #include "test/core/bad_client/bad_client.h"
 
 #include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
+#include <stdio.h>
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/iomgr/endpoint_pair.h"
+#include "src/core/lib/support/murmur_hash.h"
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/surface/completion_queue.h"
 #include "src/core/lib/surface/server.h"
@@ -109,7 +112,8 @@
   grpc_server_register_completion_queue(a.server, a.cq, NULL);
   a.registered_method =
       grpc_server_register_method(a.server, GRPC_BAD_CLIENT_REGISTERED_METHOD,
-                                  GRPC_BAD_CLIENT_REGISTERED_HOST, 0);
+                                  GRPC_BAD_CLIENT_REGISTERED_HOST,
+                                  GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
   grpc_server_start(a.server);
   transport = grpc_create_chttp2_transport(&exec_ctx, NULL, sfd.server, 0);
   server_setup_transport(&a, transport);
diff --git a/test/core/bad_client/gen_build_yaml.py b/test/core/bad_client/gen_build_yaml.py
index ca26eda..d49858e 100755
--- a/test/core/bad_client/gen_build_yaml.py
+++ b/test/core/bad_client/gen_build_yaml.py
@@ -44,6 +44,7 @@
     'connection_prefix': default_test_options._replace(cpu_cost=0.2),
     'headers': default_test_options._replace(cpu_cost=0.2),
     'initial_settings_frame': default_test_options._replace(cpu_cost=0.2),
+    'head_of_line_blocking': default_test_options,
     'server_registered_method': default_test_options,
     'simple_request': default_test_options,
     'window_overflow': default_test_options,
diff --git a/test/core/bad_client/tests/head_of_line_blocking.c b/test/core/bad_client/tests/head_of_line_blocking.c
new file mode 100644
index 0000000..53cd453
--- /dev/null
+++ b/test/core/bad_client/tests/head_of_line_blocking.c
@@ -0,0 +1,151 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/bad_client/bad_client.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/cq_verifier.h"
+
+static const char prefix[] =
+    "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
+    // settings frame
+    "\x00\x00\x00\x04\x00\x00\x00\x00\x00"
+    // stream 1 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x01"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 1: advertise a 10000 byte payload (that we won't
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x01"
+    "\x01\x00\x00\x27\x10"
+    // stream 3 headers: generated from server_registered_method.headers in this
+    // directory
+    "\x00\x00\xd0\x01\x04\x00\x00\x00\x03"
+    "\x10\x05:path\x0f/registered/bar"
+    "\x10\x07:scheme\x04http"
+    "\x10\x07:method\x04POST"
+    "\x10\x0a:authority\x09localhost"
+    "\x10\x0c"
+    "content-type\x10"
+    "application/grpc"
+    "\x10\x14grpc-accept-encoding\x15identity,deflate,gzip"
+    "\x10\x02te\x08trailers"
+    "\x10\x0auser-agent\"bad-client grpc-c/0.12.0.0 (linux)"
+    // data frame for stream 3: advertise a 10000 byte payload (that we will
+    // fulfill)
+    "\x00\x00\x05\x00\x00\x00\x00\x00\x03"
+    "\x01\x00\x00\x27\x10"
+    "";
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static void verifier(grpc_server *server, grpc_completion_queue *cq,
+                     void *registered_method) {
+  grpc_call_error error;
+  grpc_call *s;
+  cq_verifier *cqv = cq_verifier_create(cq);
+  grpc_metadata_array request_metadata_recv;
+  gpr_timespec deadline;
+  grpc_byte_buffer *payload = NULL;
+
+  grpc_metadata_array_init(&request_metadata_recv);
+
+  error = grpc_server_request_registered_call(server, registered_method, &s,
+                                              &deadline, &request_metadata_recv,
+                                              &payload, cq, cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(payload != NULL);
+
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_destroy(s);
+  grpc_byte_buffer_destroy(payload);
+  cq_verifier_destroy(cqv);
+}
+
+char *g_buffer;
+size_t g_cap = 0;
+size_t g_count = 0;
+
+static void addbuf(const void *data, size_t len) {
+  if (g_count + len > g_cap) {
+    g_cap = GPR_MAX(g_count + len, g_cap * 2);
+    g_buffer = gpr_realloc(g_buffer, g_cap);
+  }
+  memcpy(g_buffer + g_count, data, len);
+  g_count += len;
+}
+
+int main(int argc, char **argv) {
+  int i;
+  grpc_test_init(argc, argv);
+
+#define NUM_FRAMES 10
+#define FRAME_SIZE 1000
+
+  addbuf(prefix, sizeof(prefix) - 1);
+  for (i = 0; i < NUM_FRAMES; i++) {
+    uint8_t hdr[9] = {(uint8_t)(FRAME_SIZE >> 16),
+                      (uint8_t)(FRAME_SIZE >> 8),
+                      (uint8_t)FRAME_SIZE,
+                      0,
+                      0,
+                      0,
+                      0,
+                      0,
+                      3};
+    uint8_t msg[FRAME_SIZE];
+    memset(msg, 'a', sizeof(msg));
+    addbuf(hdr, sizeof(hdr));
+    addbuf(msg, FRAME_SIZE);
+  }
+  grpc_run_bad_client_test(verifier, g_buffer, g_count, 0);
+  gpr_free(g_buffer);
+
+  return 0;
+}
diff --git a/test/core/bad_ssl/bad_ssl_test.c b/test/core/bad_ssl/bad_ssl_test.c
index 12c7710..c4ae212 100644
--- a/test/core/bad_ssl/bad_ssl_test.c
+++ b/test/core/bad_ssl/bad_ssl_test.c
@@ -87,7 +87,7 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
diff --git a/test/core/bad_ssl/servers/alpn.c b/test/core/bad_ssl/servers/alpn.c
index 8b69140..007fa25 100644
--- a/test/core/bad_ssl/servers/alpn.c
+++ b/test/core/bad_ssl/servers/alpn.c
@@ -38,7 +38,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/ext/transport/chttp2/transport/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 #include "test/core/bad_ssl/server_common.h"
 #include "test/core/end2end/data/ssl_test_data.h"
 
diff --git a/test/core/client_config/lb_policies_test.c b/test/core/client_config/lb_policies_test.c
index b819f2b..e766672 100644
--- a/test/core/client_config/lb_policies_test.c
+++ b/test/core/client_config/lb_policies_test.c
@@ -41,9 +41,9 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
+#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_config/lb_policy_registry.h"
 #include "src/core/lib/channel/channel_stack.h"
-#include "src/core/lib/channel/client_channel.h"
-#include "src/core/lib/client_config/lb_policy_registry.h"
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/surface/server.h"
diff --git a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
index b7c3b78..2322aa6 100644
--- a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
@@ -36,25 +36,33 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/timer.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   return NULL;
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
+
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static gpr_mu g_mu;
 static bool g_fail_resolution = true;
@@ -84,7 +92,7 @@
   grpc_resolver_args args;
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   grpc_resolver *resolver =
       grpc_resolver_factory_create_resolver(factory, &args);
   grpc_resolver_factory_unref(factory);
diff --git a/test/core/client_config/resolvers/dns_resolver_test.c b/test/core/client_config/resolvers/dns_resolver_test.c
index 0e8a3b1..21dc99c 100644
--- a/test/core/client_config/resolvers/dns_resolver_test.c
+++ b/test/core/client_config/resolvers/dns_resolver_test.c
@@ -35,23 +35,31 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
+
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -63,7 +71,7 @@
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
diff --git a/test/core/client_config/resolvers/sockaddr_resolver_test.c b/test/core/client_config/resolvers/sockaddr_resolver_test.c
index b2c4c63..b11546b 100644
--- a/test/core/client_config/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_config/resolvers/sockaddr_resolver_test.c
@@ -35,23 +35,31 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
-static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
-static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx,
-                                     grpc_subchannel_factory *scv) {}
-static grpc_subchannel *subchannel_factory_create_subchannel(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel_factory *factory,
+static void client_channel_factory_ref(grpc_client_channel_factory *scv) {}
+static void client_channel_factory_unref(grpc_exec_ctx *exec_ctx,
+                                         grpc_client_channel_factory *scv) {}
+static grpc_subchannel *client_channel_factory_create_subchannel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *factory,
     grpc_subchannel_args *args) {
   GPR_UNREACHABLE_CODE(return NULL);
 }
 
-static const grpc_subchannel_factory_vtable sc_vtable = {
-    subchannel_factory_ref, subchannel_factory_unref,
-    subchannel_factory_create_subchannel};
+static grpc_channel *client_channel_factory_create_channel(
+    grpc_exec_ctx *exec_ctx, grpc_client_channel_factory *cc_factory,
+    const char *target, grpc_client_channel_type type,
+    grpc_channel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
 
-static grpc_subchannel_factory sc_factory = {&sc_vtable};
+static const grpc_client_channel_factory_vtable sc_vtable = {
+    client_channel_factory_ref, client_channel_factory_unref,
+    client_channel_factory_create_subchannel,
+    client_channel_factory_create_channel};
+
+static grpc_client_channel_factory cc_factory = {&sc_vtable};
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -63,7 +71,7 @@
   GPR_ASSERT(uri);
   memset(&args, 0, sizeof(args));
   args.uri = uri;
-  args.subchannel_factory = &sc_factory;
+  args.client_channel_factory = &cc_factory;
   resolver = grpc_resolver_factory_create_resolver(factory, &args);
   GPR_ASSERT(resolver != NULL);
   GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
diff --git a/test/core/client_config/set_initial_connect_string_test.c b/test/core/client_config/set_initial_connect_string_test.c
index 3ca0373..83058d9 100644
--- a/test/core/client_config/set_initial_connect_string_test.c
+++ b/test/core/client_config/set_initial_connect_string_test.c
@@ -38,7 +38,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/slice.h>
 
-#include "src/core/lib/client_config/initial_connect_string.h"
+#include "src/core/ext/client_config/initial_connect_string.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/security/credentials.h"
 #include "src/core/lib/support/string.h"
diff --git a/test/core/client_config/uri_fuzzer_test.c b/test/core/client_config/uri_fuzzer_test.c
index d50a05d..eb976fc 100644
--- a/test/core/client_config/uri_fuzzer_test.c
+++ b/test/core/client_config/uri_fuzzer_test.c
@@ -36,7 +36,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/lib/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   char *s = gpr_malloc(size + 1);
diff --git a/test/core/client_config/uri_parser_test.c b/test/core/client_config/uri_parser_test.c
index f87aa81..323e8b6 100644
--- a/test/core/client_config/uri_parser_test.c
+++ b/test/core/client_config/uri_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/lib/client_config/uri_parser.h"
+#include "src/core/ext/client_config/uri_parser.h"
 
 #include <string.h>
 
diff --git a/test/core/end2end/dualstack_socket_test.c b/test/core/end2end/dualstack_socket_test.c
index 8568bb1..81f76ea 100644
--- a/test/core/end2end/dualstack_socket_test.c
+++ b/test/core/end2end/dualstack_socket_test.c
@@ -168,7 +168,7 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = expect_ok ? GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY : 0;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -237,7 +237,7 @@
     cq_expect_completion(cqv, tag(1), 1);
     cq_verify(cqv);
 
-    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
   }
 
   grpc_call_destroy(c);
diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index deb7339..b71299c 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -36,51 +36,136 @@
 
 #include "test/core/end2end/end2end_tests.h"
 
+#include <stdbool.h>
 #include <string.h>
 
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 extern void bad_hostname(grpc_end2end_test_config config);
+extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
+extern void binary_metadata_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
+extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
+extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
+extern void cancel_after_invoke_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
+extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
+extern void cancel_in_a_vacuum_pre_init(void);
 extern void cancel_with_status(grpc_end2end_test_config config);
+extern void cancel_with_status_pre_init(void);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void compressed_payload_pre_init(void);
 extern void connectivity(grpc_end2end_test_config config);
+extern void connectivity_pre_init(void);
 extern void default_host(grpc_end2end_test_config config);
+extern void default_host_pre_init(void);
 extern void disappearing_server(grpc_end2end_test_config config);
+extern void disappearing_server_pre_init(void);
 extern void empty_batch(grpc_end2end_test_config config);
+extern void empty_batch_pre_init(void);
+extern void filter_causes_close(grpc_end2end_test_config config);
+extern void filter_causes_close_pre_init(void);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
+extern void graceful_server_shutdown_pre_init(void);
 extern void high_initial_seqno(grpc_end2end_test_config config);
+extern void high_initial_seqno_pre_init(void);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void hpack_size_pre_init(void);
 extern void idempotent_request(grpc_end2end_test_config config);
+extern void idempotent_request_pre_init(void);
 extern void invoke_large_request(grpc_end2end_test_config config);
+extern void invoke_large_request_pre_init(void);
 extern void large_metadata(grpc_end2end_test_config config);
+extern void large_metadata_pre_init(void);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
+extern void max_concurrent_streams_pre_init(void);
 extern void max_message_length(grpc_end2end_test_config config);
+extern void max_message_length_pre_init(void);
 extern void negative_deadline(grpc_end2end_test_config config);
+extern void negative_deadline_pre_init(void);
 extern void no_op(grpc_end2end_test_config config);
+extern void no_op_pre_init(void);
 extern void payload(grpc_end2end_test_config config);
+extern void payload_pre_init(void);
 extern void ping(grpc_end2end_test_config config);
+extern void ping_pre_init(void);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
+extern void ping_pong_streaming_pre_init(void);
 extern void registered_call(grpc_end2end_test_config config);
+extern void registered_call_pre_init(void);
 extern void request_with_flags(grpc_end2end_test_config config);
+extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
+extern void request_with_payload_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
+extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
+extern void shutdown_finishes_calls_pre_init(void);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
+extern void shutdown_finishes_tags_pre_init(void);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_delayed_request_pre_init(void);
 extern void simple_metadata(grpc_end2end_test_config config);
+extern void simple_metadata_pre_init(void);
 extern void simple_request(grpc_end2end_test_config config);
+extern void simple_request_pre_init(void);
 extern void trailing_metadata(grpc_end2end_test_config config);
+extern void trailing_metadata_pre_init(void);
+
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+  bad_hostname_pre_init();
+  binary_metadata_pre_init();
+  cancel_after_accept_pre_init();
+  cancel_after_client_done_pre_init();
+  cancel_after_invoke_pre_init();
+  cancel_before_invoke_pre_init();
+  cancel_in_a_vacuum_pre_init();
+  cancel_with_status_pre_init();
+  compressed_payload_pre_init();
+  connectivity_pre_init();
+  default_host_pre_init();
+  disappearing_server_pre_init();
+  empty_batch_pre_init();
+  filter_causes_close_pre_init();
+  graceful_server_shutdown_pre_init();
+  high_initial_seqno_pre_init();
+  hpack_size_pre_init();
+  idempotent_request_pre_init();
+  invoke_large_request_pre_init();
+  large_metadata_pre_init();
+  max_concurrent_streams_pre_init();
+  max_message_length_pre_init();
+  negative_deadline_pre_init();
+  no_op_pre_init();
+  payload_pre_init();
+  ping_pre_init();
+  ping_pong_streaming_pre_init();
+  registered_call_pre_init();
+  request_with_flags_pre_init();
+  request_with_payload_pre_init();
+  server_finishes_request_pre_init();
+  shutdown_finishes_calls_pre_init();
+  shutdown_finishes_tags_pre_init();
+  simple_delayed_request_pre_init();
+  simple_metadata_pre_init();
+  simple_request_pre_init();
+  trailing_metadata_pre_init();
+}
 
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
@@ -95,6 +180,7 @@
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
+    filter_causes_close(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
@@ -174,6 +260,10 @@
       empty_batch(config);
       continue;
     }
+    if (0 == strcmp("filter_causes_close", argv[i])) {
+      filter_causes_close(config);
+      continue;
+    }
     if (0 == strcmp("graceful_server_shutdown", argv[i])) {
       graceful_server_shutdown(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index dd7f6a2..00c9c44 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -36,52 +36,139 @@
 
 #include "test/core/end2end/end2end_tests.h"
 
+#include <stdbool.h>
 #include <string.h>
 
 #include <grpc/support/log.h>
 
+static bool g_pre_init_called = false;
+
 extern void bad_hostname(grpc_end2end_test_config config);
+extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
+extern void binary_metadata_pre_init(void);
 extern void call_creds(grpc_end2end_test_config config);
+extern void call_creds_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
+extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
+extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
+extern void cancel_after_invoke_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
+extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
+extern void cancel_in_a_vacuum_pre_init(void);
 extern void cancel_with_status(grpc_end2end_test_config config);
+extern void cancel_with_status_pre_init(void);
 extern void compressed_payload(grpc_end2end_test_config config);
+extern void compressed_payload_pre_init(void);
 extern void connectivity(grpc_end2end_test_config config);
+extern void connectivity_pre_init(void);
 extern void default_host(grpc_end2end_test_config config);
+extern void default_host_pre_init(void);
 extern void disappearing_server(grpc_end2end_test_config config);
+extern void disappearing_server_pre_init(void);
 extern void empty_batch(grpc_end2end_test_config config);
+extern void empty_batch_pre_init(void);
+extern void filter_causes_close(grpc_end2end_test_config config);
+extern void filter_causes_close_pre_init(void);
 extern void graceful_server_shutdown(grpc_end2end_test_config config);
+extern void graceful_server_shutdown_pre_init(void);
 extern void high_initial_seqno(grpc_end2end_test_config config);
+extern void high_initial_seqno_pre_init(void);
 extern void hpack_size(grpc_end2end_test_config config);
+extern void hpack_size_pre_init(void);
 extern void idempotent_request(grpc_end2end_test_config config);
+extern void idempotent_request_pre_init(void);
 extern void invoke_large_request(grpc_end2end_test_config config);
+extern void invoke_large_request_pre_init(void);
 extern void large_metadata(grpc_end2end_test_config config);
+extern void large_metadata_pre_init(void);
 extern void max_concurrent_streams(grpc_end2end_test_config config);
+extern void max_concurrent_streams_pre_init(void);
 extern void max_message_length(grpc_end2end_test_config config);
+extern void max_message_length_pre_init(void);
 extern void negative_deadline(grpc_end2end_test_config config);
+extern void negative_deadline_pre_init(void);
 extern void no_op(grpc_end2end_test_config config);
+extern void no_op_pre_init(void);
 extern void payload(grpc_end2end_test_config config);
+extern void payload_pre_init(void);
 extern void ping(grpc_end2end_test_config config);
+extern void ping_pre_init(void);
 extern void ping_pong_streaming(grpc_end2end_test_config config);
+extern void ping_pong_streaming_pre_init(void);
 extern void registered_call(grpc_end2end_test_config config);
+extern void registered_call_pre_init(void);
 extern void request_with_flags(grpc_end2end_test_config config);
+extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
+extern void request_with_payload_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
+extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
+extern void shutdown_finishes_calls_pre_init(void);
 extern void shutdown_finishes_tags(grpc_end2end_test_config config);
+extern void shutdown_finishes_tags_pre_init(void);
 extern void simple_delayed_request(grpc_end2end_test_config config);
+extern void simple_delayed_request_pre_init(void);
 extern void simple_metadata(grpc_end2end_test_config config);
+extern void simple_metadata_pre_init(void);
 extern void simple_request(grpc_end2end_test_config config);
+extern void simple_request_pre_init(void);
 extern void trailing_metadata(grpc_end2end_test_config config);
+extern void trailing_metadata_pre_init(void);
+
+void grpc_end2end_tests_pre_init(void) {
+  GPR_ASSERT(!g_pre_init_called);
+  g_pre_init_called = true;
+  bad_hostname_pre_init();
+  binary_metadata_pre_init();
+  call_creds_pre_init();
+  cancel_after_accept_pre_init();
+  cancel_after_client_done_pre_init();
+  cancel_after_invoke_pre_init();
+  cancel_before_invoke_pre_init();
+  cancel_in_a_vacuum_pre_init();
+  cancel_with_status_pre_init();
+  compressed_payload_pre_init();
+  connectivity_pre_init();
+  default_host_pre_init();
+  disappearing_server_pre_init();
+  empty_batch_pre_init();
+  filter_causes_close_pre_init();
+  graceful_server_shutdown_pre_init();
+  high_initial_seqno_pre_init();
+  hpack_size_pre_init();
+  idempotent_request_pre_init();
+  invoke_large_request_pre_init();
+  large_metadata_pre_init();
+  max_concurrent_streams_pre_init();
+  max_message_length_pre_init();
+  negative_deadline_pre_init();
+  no_op_pre_init();
+  payload_pre_init();
+  ping_pre_init();
+  ping_pong_streaming_pre_init();
+  registered_call_pre_init();
+  request_with_flags_pre_init();
+  request_with_payload_pre_init();
+  server_finishes_request_pre_init();
+  shutdown_finishes_calls_pre_init();
+  shutdown_finishes_tags_pre_init();
+  simple_delayed_request_pre_init();
+  simple_metadata_pre_init();
+  simple_request_pre_init();
+  trailing_metadata_pre_init();
+}
 
 void grpc_end2end_tests(int argc, char **argv,
                         grpc_end2end_test_config config) {
   int i;
 
+  GPR_ASSERT(g_pre_init_called);
+
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
@@ -97,6 +184,7 @@
     default_host(config);
     disappearing_server(config);
     empty_batch(config);
+    filter_causes_close(config);
     graceful_server_shutdown(config);
     high_initial_seqno(config);
     hpack_size(config);
@@ -180,6 +268,10 @@
       empty_batch(config);
       continue;
     }
+    if (0 == strcmp("filter_causes_close", argv[i])) {
+      filter_causes_close(config);
+      continue;
+    }
     if (0 == strcmp("graceful_server_shutdown", argv[i])) {
       graceful_server_shutdown(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index bc44f43..dfa041c 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -64,6 +64,7 @@
   void (*tear_down_data)(grpc_end2end_test_fixture *f);
 };
 
+void grpc_end2end_tests_pre_init(void);
 void grpc_end2end_tests(int argc, char **argv, grpc_end2end_test_config config);
 
 #endif /* GRPC_TEST_CORE_END2END_END2END_TESTS_H */
diff --git a/test/core/end2end/fixtures/h2_census.c b/test/core/end2end/fixtures/h2_census.c
index 9d41ff2..ff2f028 100644
--- a/test/core/end2end/fixtures/h2_census.c
+++ b/test/core/end2end/fixtures/h2_census.c
@@ -41,9 +41,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_args.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/surface/channel.h"
@@ -120,6 +120,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_compress.c b/test/core/end2end/fixtures/h2_compress.c
index 55355b5..8f9b7c9 100644
--- a/test/core/end2end/fixtures/h2_compress.c
+++ b/test/core/end2end/fixtures/h2_compress.c
@@ -41,9 +41,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_args.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/surface/channel.h"
@@ -124,6 +124,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index a312585..246619b 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c
@@ -150,7 +150,7 @@
 int main(int argc, char **argv) {
   size_t i;
   grpc_test_init(argc, argv);
-
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_full+pipe.c b/test/core/end2end/fixtures/h2_full+pipe.c
index a3e2196..e7dfc56 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+pipe.c
@@ -41,8 +41,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/iomgr/wakeup_fd_posix.h"
@@ -108,6 +108,7 @@
   grpc_allow_specialized_wakeup_fd = 0;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_full+trace.c b/test/core/end2end/fixtures/h2_full+trace.c
index 986a06b..c4dc5b9 100644
--- a/test/core/end2end/fixtures/h2_full+trace.c
+++ b/test/core/end2end/fixtures/h2_full+trace.c
@@ -41,8 +41,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/support/env.h"
@@ -116,6 +116,7 @@
 #endif
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   GPR_ASSERT(0 == grpc_tracer_set_enabled("also-doesnt-exist", 0));
diff --git a/test/core/end2end/fixtures/h2_full.c b/test/core/end2end/fixtures/h2_full.c
index d0797e0..4a2f17e 100644
--- a/test/core/end2end/fixtures/h2_full.c
+++ b/test/core/end2end/fixtures/h2_full.c
@@ -41,8 +41,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/surface/channel.h"
@@ -105,6 +105,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index 9e7d8d3..550ff33 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c
@@ -226,7 +226,7 @@
 int main(int argc, char **argv) {
   size_t i;
   grpc_test_init(argc, argv);
-
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_proxy.c b/test/core/end2end/fixtures/h2_proxy.c
index 4650da9..863673a 100644
--- a/test/core/end2end/fixtures/h2_proxy.c
+++ b/test/core/end2end/fixtures/h2_proxy.c
@@ -41,8 +41,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/surface/channel.h"
@@ -120,6 +120,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index 9fdceab..87533a9 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -40,8 +40,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_client_filter.h"
@@ -150,6 +150,7 @@
 #endif
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
   grpc_exec_ctx_finish(&exec_ctx);
 
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index 8477715..f28147c 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -40,8 +40,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_client_filter.h"
@@ -139,6 +139,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 6b6ca19..302b16b 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -40,8 +40,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_client_filter.h"
@@ -139,6 +139,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index e5a255f..69f7616 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c
@@ -165,6 +165,7 @@
   char *roots_filename;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
 
   /* Set the SSL roots env var. */
   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index 9edc8a0..1403b76 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c
@@ -195,6 +195,7 @@
   char *roots_filename;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
 
   /* Set the SSL roots env var. */
   roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename);
diff --git a/test/core/end2end/fixtures/h2_uds.c b/test/core/end2end/fixtures/h2_uds.c
index 9216860..cffbeaf 100644
--- a/test/core/end2end/fixtures/h2_uds.c
+++ b/test/core/end2end/fixtures/h2_uds.c
@@ -44,8 +44,8 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 #include <grpc/support/useful.h>
+#include "src/core/ext/client_config/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
-#include "src/core/lib/channel/client_channel.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
 #include "src/core/lib/support/string.h"
@@ -110,6 +110,7 @@
   size_t i;
 
   grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
   grpc_init();
 
   for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
diff --git a/test/core/end2end/fixtures/proxy.c b/test/core/end2end/fixtures/proxy.c
index 1ca53cd..a6487a1 100644
--- a/test/core/end2end/fixtures/proxy.c
+++ b/test/core/end2end/fixtures/proxy.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/end2end/fuzzers/server_fuzzer.c b/test/core/end2end/fuzzers/server_fuzzer.c
new file mode 100644
index 0000000..393d330
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer.c
@@ -0,0 +1,121 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/grpc.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/surface/server.h"
+#include "test/core/util/mock_endpoint.h"
+
+static const bool squelch = true;
+
+static void discard_write(gpr_slice slice) {}
+
+static void *tag(int n) { return (void *)(uintptr_t)n; }
+static int detag(void *p) { return (int)(uintptr_t)p; }
+
+static void dont_log(gpr_log_func_args *args) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  grpc_test_only_set_metadata_hash_seed(0);
+  if (squelch) gpr_set_log_function(dont_log);
+  grpc_init();
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  grpc_endpoint *mock_endpoint = grpc_mock_endpoint_create(discard_write);
+  grpc_mock_endpoint_put_read(
+      &exec_ctx, mock_endpoint,
+      gpr_slice_from_copied_buffer((const char *)data, size));
+
+  grpc_server *server = grpc_server_create(NULL, NULL);
+  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+  grpc_server_register_completion_queue(server, cq, NULL);
+  // TODO(ctiller): add registered methods (one for POST, one for PUT)
+  // void *registered_method =
+  //    grpc_server_register_method(server, "/reg", NULL, 0);
+  grpc_server_start(server);
+  grpc_transport *transport =
+      grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 0);
+  grpc_server_setup_transport(&exec_ctx, server, transport, NULL);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL, 0);
+
+  grpc_call *call1 = NULL;
+  grpc_call_details call_details1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details_init(&call_details1);
+  grpc_metadata_array_init(&request_metadata1);
+  int requested_calls = 0;
+
+  grpc_server_request_call(server, &call1, &call_details1, &request_metadata1,
+                           cq, cq, tag(1));
+  requested_calls++;
+
+  grpc_event ev;
+  while (1) {
+    grpc_exec_ctx_flush(&exec_ctx);
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    switch (ev.type) {
+      case GRPC_QUEUE_TIMEOUT:
+        goto done;
+      case GRPC_QUEUE_SHUTDOWN:
+        break;
+      case GRPC_OP_COMPLETE:
+        switch (detag(ev.tag)) {
+          case 1:
+            requested_calls--;
+            // TODO(ctiller): keep reading that call!
+            break;
+        }
+    }
+  }
+
+done:
+  if (call1 != NULL) grpc_call_destroy(call1);
+  grpc_call_details_destroy(&call_details1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_server_shutdown_and_notify(server, cq, tag(0xdead));
+  grpc_server_cancel_all_calls(server);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  }
+  grpc_completion_queue_shutdown(cq);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  }
+  grpc_server_destroy(server);
+  grpc_completion_queue_destroy(cq);
+  grpc_shutdown();
+  return 0;
+}
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/01c008fa.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/01c008fa.bin
new file mode 100644
index 0000000..2f670cf
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/01c008fa.bin
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/021ec59f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/021ec59f.bin
new file mode 100644
index 0000000..b4896fd
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/021ec59f.bin
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/02918e4ad9e8928845f232c0cb043057add3c9a9 b/test/core/end2end/fuzzers/server_fuzzer_corpus/02918e4ad9e8928845f232c0cb043057add3c9a9
new file mode 100644
index 0000000..5f53b70
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/02918e4ad9e8928845f232c0cb043057add3c9a9
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0336e1ff71939de9e2007fdb4aba891e35a37488 b/test/core/end2end/fuzzers/server_fuzzer_corpus/0336e1ff71939de9e2007fdb4aba891e35a37488
new file mode 100644
index 0000000..c1d8fa1
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0336e1ff71939de9e2007fdb4aba891e35a37488
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/033dd2f6.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/033dd2f6.bin
new file mode 100644
index 0000000..732d846
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/033dd2f6.bin
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0384345c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0384345c.bin
new file mode 100644
index 0000000..00c4956
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0384345c.bin
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/03b9be1fa172dff5d1543be079b9c64fa2c9a278 b/test/core/end2end/fuzzers/server_fuzzer_corpus/03b9be1fa172dff5d1543be079b9c64fa2c9a278
new file mode 100644
index 0000000..94a877e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/03b9be1fa172dff5d1543be079b9c64fa2c9a278
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/05c3a0390d0f52d241728926fa901599a47e4606 b/test/core/end2end/fuzzers/server_fuzzer_corpus/05c3a0390d0f52d241728926fa901599a47e4606
new file mode 100644
index 0000000..4c657a0
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/05c3a0390d0f52d241728926fa901599a47e4606
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/06bd2f82fefb9943787d63ea359f9b77072380c2 b/test/core/end2end/fuzzers/server_fuzzer_corpus/06bd2f82fefb9943787d63ea359f9b77072380c2
new file mode 100644
index 0000000..c3408cf
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/06bd2f82fefb9943787d63ea359f9b77072380c2
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0766afc7c27c06ea18d896083470d587a380de3c b/test/core/end2end/fuzzers/server_fuzzer_corpus/0766afc7c27c06ea18d896083470d587a380de3c
new file mode 100644
index 0000000..dbe2ade
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0766afc7c27c06ea18d896083470d587a380de3c
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new file mode 100644
index 0000000..7d5fb0b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/07c96c06eddbed5a3ce050436bc805f6821cbc9b
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/081e56ce6f6b1c57adb806fbc5baa9f93f87513a b/test/core/end2end/fuzzers/server_fuzzer_corpus/081e56ce6f6b1c57adb806fbc5baa9f93f87513a
new file mode 100644
index 0000000..5c01671
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/081e56ce6f6b1c57adb806fbc5baa9f93f87513a
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/08492d3d0994005206d1d3213b8747d1026ae1eb b/test/core/end2end/fuzzers/server_fuzzer_corpus/08492d3d0994005206d1d3213b8747d1026ae1eb
new file mode 100644
index 0000000..0910f93
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/08492d3d0994005206d1d3213b8747d1026ae1eb
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/09938e3256d06a8e168eb038d8a58b8462f7f697 b/test/core/end2end/fuzzers/server_fuzzer_corpus/09938e3256d06a8e168eb038d8a58b8462f7f697
new file mode 100644
index 0000000..0c1be25
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/09938e3256d06a8e168eb038d8a58b8462f7f697
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa599e20761777c2cb9b41cd89e5c2e18f82d9e b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa599e20761777c2cb9b41cd89e5c2e18f82d9e
new file mode 100644
index 0000000..efbfeaf
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa599e20761777c2cb9b41cd89e5c2e18f82d9e
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa7b949.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa7b949.bin
new file mode 100644
index 0000000..0e22a45
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0aa7b949.bin
@@ -0,0 +1 @@
+PRI * HTTP/2X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0abd533e.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0abd533e.bin
new file mode 100644
index 0000000..112188c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0abd533e.bin
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0b275a7f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0b275a7f.bin
new file mode 100644
index 0000000..853ca7c
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0b275a7f.bin
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/0d10bb63.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/0d10bb63.bin
new file mode 100644
index 0000000..50bb312
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0d10bb63.bin
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new file mode 100644
index 0000000..c57226e
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/0e349b8762703d080b3a696600e21d64c23a2ed3
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new file mode 100644
index 0000000..2d703cc
--- /dev/null
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new file mode 100644
index 0000000..7edd81d
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new file mode 100644
index 0000000..62cbd41
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+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/11cda3f70be4b507ea936bca93af9ce5aaab3be7
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/13501419f349b7855d2e94060bd08b28923d1f37 b/test/core/end2end/fuzzers/server_fuzzer_corpus/13501419f349b7855d2e94060bd08b28923d1f37
new file mode 100644
index 0000000..34906e8
--- /dev/null
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new file mode 100644
index 0000000..e6a8541
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/146b7d66ad932c4b623eec8004e286d3705697d3
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new file mode 100644
index 0000000..7f448c2
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+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/14f9a0cda0d64590430218aaf6dedd9be2a3533f
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new file mode 100644
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new file mode 100644
index 0000000..1aab198
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+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/18d8d274aa7c163fd6d0084d5c25c8623e10c541
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/18f00b5f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/18f00b5f.bin
new file mode 100644
index 0000000..a41cbd4
--- /dev/null
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@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1939a9021aba59ea2e49d3d0909e6fdf86ac3f9e b/test/core/end2end/fuzzers/server_fuzzer_corpus/1939a9021aba59ea2e49d3d0909e6fdf86ac3f9e
new file mode 100644
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Binary files differ
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new file mode 100644
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Binary files differ
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1cfdde7a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1cfdde7a.bin
new file mode 100644
index 0000000..61a954d
--- /dev/null
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1e92aaa5.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1e92aaa5.bin
new file mode 100644
index 0000000..02796cb
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1e92aaa5.bin
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1ea5651f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1ea5651f.bin
new file mode 100644
index 0000000..782f21d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/1ea5651f.bin
@@ -0,0 +1 @@
+PRI * X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/1f992057.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/1f992057.bin
new file mode 100644
index 0000000..c60d1eb
--- /dev/null
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/20fd12d3670571283dc0c5dbb3fc139a8e943790 b/test/core/end2end/fuzzers/server_fuzzer_corpus/20fd12d3670571283dc0c5dbb3fc139a8e943790
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/21475569.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/21475569.bin
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/218c1b123428a07622570947e9b7cdb48c310ca5 b/test/core/end2end/fuzzers/server_fuzzer_corpus/218c1b123428a07622570947e9b7cdb48c310ca5
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/21a2dcda.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/21a2dcda.bin
new file mode 100644
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new file mode 100644
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/24ed80095e58199c52997f174046272f61ce4a8d b/test/core/end2end/fuzzers/server_fuzzer_corpus/24ed80095e58199c52997f174046272f61ce4a8d
new file mode 100644
index 0000000..a2f7fad
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Binary files differ
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new file mode 100644
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Binary files differ
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new file mode 100644
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Binary files differ
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2701d1669c2996c097a74c5255d569615357b916 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2701d1669c2996c097a74c5255d569615357b916
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/27ac2ae2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/27ac2ae2.bin
new file mode 100644
index 0000000..0daef3f
--- /dev/null
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2814d70c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/2814d70c.bin
new file mode 100644
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--- /dev/null
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@@ -0,0 +1 @@
+X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/282b6585.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/282b6585.bin
new file mode 100644
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--- /dev/null
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2abe64b96e5e72adcf2dcc43444a69d0fb664b66 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2abe64b96e5e72adcf2dcc43444a69d0fb664b66
new file mode 100644
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2b14c6e618ec95754ea7e24fe6bc5a3a97df6897 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2b14c6e618ec95754ea7e24fe6bc5a3a97df6897
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2b40aa21723c7e67e92e74a3083df008461d591c b/test/core/end2end/fuzzers/server_fuzzer_corpus/2b40aa21723c7e67e92e74a3083df008461d591c
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2bf69fe6b40734cc3f0abdd765757809b14b0b88 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2bf69fe6b40734cc3f0abdd765757809b14b0b88
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2c6660ba.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/2c6660ba.bin
new file mode 100644
index 0000000..5f96b34
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2c6660ba.bin
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2cc6d1f3ee8933518e91b8410781fa6e105b3a15 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2cc6d1f3ee8933518e91b8410781fa6e105b3a15
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2e4805c3.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/2e4805c3.bin
new file mode 100644
index 0000000..2041099
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/2e4805c3.bin
@@ -0,0 +1,3 @@
+PRI * HTTP/2.0

+

+SX
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/2f20e2decd09b6f211a5469c67efbada355e6c04 b/test/core/end2end/fuzzers/server_fuzzer_corpus/2f20e2decd09b6f211a5469c67efbada355e6c04
new file mode 100644
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3224e6cd.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3224e6cd.bin
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/326ec4d5.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/326ec4d5.bin
new file mode 100644
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--- /dev/null
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\ No newline at end of file
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new file mode 100644
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/37ec9df8.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/37ec9df8.bin
new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/39ea47bb.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/39ea47bb.bin
new file mode 100644
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--- /dev/null
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\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3aa82376296ab5a33f2921d7705b75b78b683c2d b/test/core/end2end/fuzzers/server_fuzzer_corpus/3aa82376296ab5a33f2921d7705b75b78b683c2d
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+

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\ No newline at end of file
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3e2077a4fd2def7b11e618d46245d0aa85824317 b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e2077a4fd2def7b11e618d46245d0aa85824317
new file mode 100644
index 0000000..69263de
--- /dev/null
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3e3ae35a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/3e3ae35a.bin
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new file mode 100644
index 0000000..3b8a1ed
--- /dev/null
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/3f3069cf26f761366f947e025f7049254d555e7f b/test/core/end2end/fuzzers/server_fuzzer_corpus/3f3069cf26f761366f947e025f7049254d555e7f
new file mode 100644
index 0000000..cd907fe
--- /dev/null
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/407607d2.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/407607d2.bin
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/40af8d589c76d7912bec06c2ae1f2466065018e7 b/test/core/end2end/fuzzers/server_fuzzer_corpus/40af8d589c76d7912bec06c2ae1f2466065018e7
new file mode 100644
index 0000000..c72af8a
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/418f392319c44d06a018ce4c62569d527829177a b/test/core/end2end/fuzzers/server_fuzzer_corpus/418f392319c44d06a018ce4c62569d527829177a
new file mode 100644
index 0000000..2d72c37
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/418f392319c44d06a018ce4c62569d527829177a
Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/41b31ef0.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/41b31ef0.bin
new file mode 100644
index 0000000..7469434
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/41b31ef0.bin
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/422708b4.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/422708b4.bin
new file mode 100644
index 0000000..111a2b4
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/422708b4.bin
@@ -0,0 +1 @@
+PRI * HTTP/X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/422fa704.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/422fa704.bin
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/43fc6abab9840be5ee614211f17395b5966f6070 b/test/core/end2end/fuzzers/server_fuzzer_corpus/43fc6abab9840be5ee614211f17395b5966f6070
new file mode 100644
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new file mode 100644
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--- /dev/null
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4c412cc1a775cea041fa270483d610afb72f463b b/test/core/end2end/fuzzers/server_fuzzer_corpus/4c412cc1a775cea041fa270483d610afb72f463b
new file mode 100644
index 0000000..5ef77a0
--- /dev/null
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/4d55d5ae.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/4d55d5ae.bin
new file mode 100644
index 0000000..7e5544c
--- /dev/null
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new file mode 100644
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/53de507f.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/53de507f.bin
new file mode 100644
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--- /dev/null
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+

+SM

+

+
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/540ada69.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/540ada69.bin
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin
new file mode 100644
index 0000000..24b882d
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/54d0fc6c.bin
@@ -0,0 +1,4 @@
+PRI * HTTP/2.0

+

+SM

+X
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/55af20415ead0ddd417f37fa91a4c767b749ee34 b/test/core/end2end/fuzzers/server_fuzzer_corpus/55af20415ead0ddd417f37fa91a4c767b749ee34
new file mode 100644
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@@ -0,0 +1 @@
+PR
\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/55f6fb1a.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/55f6fb1a.bin
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--- /dev/null
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new file mode 100644
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--- /dev/null
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@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/58b88a24.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/58b88a24.bin
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new file mode 100644
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diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5d817877.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5d817877.bin
new file mode 100644
index 0000000..8c2ec2a
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Binary files differ
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new file mode 100644
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Binary files differ
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin
new file mode 100644
index 0000000..47f2d2b
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f758756.bin
@@ -0,0 +1,2 @@
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\ No newline at end of file
diff --git a/test/core/end2end/fuzzers/server_fuzzer_corpus/5f820fa8d44229219d0b7c4724e3e40a2ace97f4 b/test/core/end2end/fuzzers/server_fuzzer_corpus/5f820fa8d44229219d0b7c4724e3e40a2ace97f4
new file mode 100644
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diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 43ad22e..9a940a4 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -94,6 +94,7 @@
                                                   needs_dns=True),
     'disappearing_server': connectivity_test_options,
     'empty_batch': default_test_options,
+    'filter_causes_close': default_test_options,
     'graceful_server_shutdown': default_test_options._replace(cpu_cost=LOWCPU),
     'hpack_size': default_test_options._replace(proxyable=False,
                                                 traceable=False),
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index eb1fa46..3cb9b3d 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -179,3 +179,5 @@
     test_invoke_simple_request(config);
   }
 }
+
+void bad_hostname_pre_init(void) {}
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 54583b0..994c3bf 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -287,3 +287,5 @@
 void binary_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void binary_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index a3f86a7..b555bea 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -475,3 +475,5 @@
     test_request_with_server_rejecting_client_creds(config);
   }
 }
+
+void call_creds_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index 08d0ef6..fc2a64a 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -233,3 +233,5 @@
     test_cancel_after_accept(config, cancellation_modes[i]);
   }
 }
+
+void cancel_after_accept_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index f85ffad..3bafa8c 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -237,3 +237,5 @@
     test_cancel_after_accept_and_writes_closed(config, cancellation_modes[i]);
   }
 }
+
+void cancel_after_client_done_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index e7d6e00..fc2751a 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -199,3 +199,5 @@
     }
   }
 }
+
+void cancel_after_invoke_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index a4f47f0..33005db 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -194,3 +194,5 @@
     test_cancel_before_invoke(config, i);
   }
 }
+
+void cancel_before_invoke_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 73a6fc4..0c893b5 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -127,3 +127,5 @@
     test_cancel_in_a_vacuum(config, cancellation_modes[i]);
   }
 }
+
+void cancel_in_a_vacuum_pre_init(void) {}
diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
index aa73d48..c3ee4a6 100644
--- a/test/core/end2end/tests/cancel_with_status.c
+++ b/test/core/end2end/tests/cancel_with_status.c
@@ -182,3 +182,5 @@
     test_invoke_simple_request(config, i);
   }
 }
+
+void cancel_with_status_pre_init(void) {}
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index d5cf9a7..589bc31 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -336,3 +336,5 @@
   test_invoke_request_with_compressed_payload(config);
   test_invoke_request_with_compressed_payload_md_override(config);
 }
+
+void compressed_payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/connectivity.c b/test/core/end2end/tests/connectivity.c
index edef2ff..5775976 100644
--- a/test/core/end2end/tests/connectivity.c
+++ b/test/core/end2end/tests/connectivity.c
@@ -172,3 +172,5 @@
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_connectivity(config);
 }
+
+void connectivity_pre_init(void) {}
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index 105f4e6..44384a7 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -232,3 +232,5 @@
     return;
   test_invoke_simple_request(config);
 }
+
+void default_host_pre_init(void) {}
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index 5b2bbaf..03d1ded 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -213,3 +213,5 @@
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   disappearing_server_test(config);
 }
+
+void disappearing_server_pre_init(void) {}
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index 95df93a..c05b919 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -132,3 +132,5 @@
 void empty_batch(grpc_end2end_test_config config) {
   test_invoke_empty_body(config);
 }
+
+void empty_batch_pre_init(void) {}
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
new file mode 100644
index 0000000..ca54167
--- /dev/null
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -0,0 +1,289 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "src/core/lib/channel/channel_stack_builder.h"
+#include "src/core/lib/surface/channel_init.h"
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static bool g_enable_filter = false;
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+/* Request with a large amount of metadata.*/
+static void test_request(grpc_end2end_test_config config) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  gpr_timespec deadline = five_seconds_time();
+  grpc_end2end_test_fixture f =
+      begin_test(config, "filter_causes_close", NULL, NULL);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr", deadline, NULL);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->data.send_initial_metadata.metadata = NULL;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message = request_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_PERMISSION_DENIED);
+  GPR_ASSERT(0 == strcmp(details, "Random failure that's not preventable."));
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(cqv);
+
+  grpc_byte_buffer_destroy(request_payload);
+  grpc_byte_buffer_destroy(request_payload_recv);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+/*******************************************************************************
+ * Test filter - always closes incoming requests
+ */
+
+typedef struct { grpc_closure *recv_im_ready; } call_data;
+
+typedef struct { uint8_t unused; } channel_data;
+
+static void recv_im_ready(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  grpc_call_element *elem = arg;
+  call_data *calld = elem->call_data;
+  if (success) {
+    // close the stream with an error.
+    gpr_slice message;
+    grpc_transport_stream_op close_op;
+    memset(&close_op, 0, sizeof(close_op));
+    message =
+        gpr_slice_from_copied_string("Random failure that's not preventable.");
+    grpc_transport_stream_op op;
+    memset(&op, 0, sizeof(op));
+    grpc_transport_stream_op_add_close(&op, GRPC_STATUS_PERMISSION_DENIED,
+                                       &message);
+    grpc_call_next_op(exec_ctx, elem, &op);
+  }
+  calld->recv_im_ready->cb(exec_ctx, calld->recv_im_ready->cb_arg, false);
+}
+
+static void start_transport_stream_op(grpc_exec_ctx *exec_ctx,
+                                      grpc_call_element *elem,
+                                      grpc_transport_stream_op *op) {
+  call_data *calld = elem->call_data;
+  if (op->recv_initial_metadata != NULL) {
+    calld->recv_im_ready = op->recv_initial_metadata_ready;
+    op->recv_initial_metadata_ready = grpc_closure_create(recv_im_ready, elem);
+  }
+  grpc_call_next_op(exec_ctx, elem, op);
+}
+
+static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           grpc_call_element_args *args) {}
+
+static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_call_element *elem) {}
+
+static void init_channel_elem(grpc_exec_ctx *exec_ctx,
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {}
+
+static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
+                                 grpc_channel_element *elem) {}
+
+static const grpc_channel_filter test_filter = {
+    start_transport_stream_op,
+    grpc_channel_next_op,
+    sizeof(call_data),
+    init_call_elem,
+    grpc_call_stack_ignore_set_pollset,
+    destroy_call_elem,
+    sizeof(channel_data),
+    init_channel_elem,
+    destroy_channel_elem,
+    grpc_call_next_get_peer,
+    "filter_causes_close"};
+
+/*******************************************************************************
+ * Registration
+ */
+
+static bool maybe_add_filter(grpc_channel_stack_builder *builder, void *arg) {
+  if (g_enable_filter) {
+    return grpc_channel_stack_builder_prepend_filter(builder, &test_filter,
+                                                     NULL, NULL);
+  } else {
+    return true;
+  }
+}
+
+static void init_plugin(void) {
+  grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, 0, maybe_add_filter,
+                                   NULL);
+}
+
+static void destroy_plugin(void) {}
+
+void filter_causes_close(grpc_end2end_test_config config) {
+  g_enable_filter = true;
+  test_request(config);
+  g_enable_filter = false;
+}
+
+void filter_causes_close_pre_init(void) {
+  grpc_register_plugin(init_plugin, destroy_plugin);
+}
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index cc6a9d4..26198f3 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -210,3 +210,5 @@
 void graceful_server_shutdown(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_inflight_calls(config);
 }
+
+void graceful_server_shutdown_pre_init(void) {}
diff --git a/test/core/end2end/tests/high_initial_seqno.c b/test/core/end2end/tests/high_initial_seqno.c
index 8b6e50b..374606d 100644
--- a/test/core/end2end/tests/high_initial_seqno.c
+++ b/test/core/end2end/tests/high_initial_seqno.c
@@ -237,3 +237,5 @@
     test_invoke_10_simple_requests(config, 2147483645);
   }
 }
+
+void high_initial_seqno_pre_init(void) {}
diff --git a/test/core/end2end/tests/hpack_size.c b/test/core/end2end/tests/hpack_size.c
index 15efcd2..07d5d38 100644
--- a/test/core/end2end/tests/hpack_size.c
+++ b/test/core/end2end/tests/hpack_size.c
@@ -444,3 +444,5 @@
     }
   }
 }
+
+void hpack_size_pre_init(void) {}
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
index 485a854..e53f3b2 100644
--- a/test/core/end2end/tests/idempotent_request.c
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -246,3 +246,5 @@
   }
   test_invoke_10_simple_requests(config);
 }
+
+void idempotent_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index 28c0e36..6410305 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -254,3 +254,5 @@
 void invoke_large_request(grpc_end2end_test_config config) {
   test_invoke_large_request(config);
 }
+
+void invoke_large_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index 173c209..0e5d6b4 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -245,3 +245,5 @@
 void large_metadata(grpc_end2end_test_config config) {
   test_request_with_large_metadata(config);
 }
+
+void large_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index 60e9ecd..1bb5307 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -436,3 +436,5 @@
 void max_concurrent_streams(grpc_end2end_test_config config) {
   test_max_concurrent_streams(config);
 }
+
+void max_concurrent_streams_pre_init(void) {}
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 00a83ec..b5dbc13 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -221,3 +221,5 @@
 void max_message_length(grpc_end2end_test_config config) {
   test_max_message_length(config);
 }
+
+void max_message_length_pre_init(void) {}
diff --git a/test/core/end2end/tests/negative_deadline.c b/test/core/end2end/tests/negative_deadline.c
index 0cc68a3..03e57a9 100644
--- a/test/core/end2end/tests/negative_deadline.c
+++ b/test/core/end2end/tests/negative_deadline.c
@@ -179,3 +179,5 @@
     test_invoke_simple_request(config, i);
   }
 }
+
+void negative_deadline_pre_init(void) {}
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 9dda569..284be7a 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -104,3 +104,5 @@
 }
 
 void no_op(grpc_end2end_test_config config) { test_no_op(config); }
+
+void no_op_pre_init(void) {}
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index e9272b6..bdfb135 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -268,3 +268,5 @@
   test_invoke_request_response_with_payload(config);
   test_invoke_10_request_response_with_payload(config);
 }
+
+void payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/ping.c b/test/core/end2end/tests/ping.c
index f42f186..d49bec9 100644
--- a/test/core/end2end/tests/ping.c
+++ b/test/core/end2end/tests/ping.c
@@ -95,3 +95,5 @@
   GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
   test_ping(config);
 }
+
+void ping_pre_init(void) {}
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index ac4e810..15e1c6e 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -275,3 +275,5 @@
     test_pingpong_streaming(config, i);
   }
 }
+
+void ping_pong_streaming_pre_init(void) {}
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index a67df86..3c4edba 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -231,3 +231,5 @@
   test_invoke_simple_request(config);
   test_invoke_10_simple_requests(config);
 }
+
+void registered_call_pre_init(void) {}
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 9d01ddc..779895b 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -214,3 +214,5 @@
     }
   }
 }
+
+void request_with_flags_pre_init(void) {}
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 9866d39..7706404 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -232,3 +232,5 @@
 void request_with_payload(grpc_end2end_test_config config) {
   test_invoke_request_with_payload(config);
 }
+
+void request_with_payload_pre_init(void) {}
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 2a26c98..a4f5319 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -210,3 +210,5 @@
 void server_finishes_request(grpc_end2end_test_config config) {
   test_invoke_simple_request(config);
 }
+
+void server_finishes_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/shutdown_finishes_calls.c b/test/core/end2end/tests/shutdown_finishes_calls.c
index b56ba46..80287cd 100644
--- a/test/core/end2end/tests/shutdown_finishes_calls.c
+++ b/test/core/end2end/tests/shutdown_finishes_calls.c
@@ -192,3 +192,5 @@
 void shutdown_finishes_calls(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_inflight_calls(config);
 }
+
+void shutdown_finishes_calls_pre_init(void) {}
diff --git a/test/core/end2end/tests/shutdown_finishes_tags.c b/test/core/end2end/tests/shutdown_finishes_tags.c
index 4a060de..b1f3c94 100644
--- a/test/core/end2end/tests/shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/shutdown_finishes_tags.c
@@ -119,3 +119,5 @@
 void shutdown_finishes_tags(grpc_end2end_test_config config) {
   test_early_server_shutdown_finishes_tags(config);
 }
+
+void shutdown_finishes_tags_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index bb9d462..400b3a0 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -120,7 +120,7 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = 0;
+  op->flags = GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
@@ -221,3 +221,5 @@
   test_simple_delayed_request_short(config);
   test_simple_delayed_request_long(config);
 }
+
+void simple_delayed_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_metadata.c b/test/core/end2end/tests/simple_metadata.c
index 084c0df..707b3c9 100644
--- a/test/core/end2end/tests/simple_metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -263,3 +263,5 @@
 void simple_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void simple_metadata_pre_init(void) {}
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index 68db58d..4210842 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -246,3 +246,5 @@
   }
   test_invoke_10_simple_requests(config);
 }
+
+void simple_request_pre_init(void) {}
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index 99e1e22..4dd8c12 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -268,3 +268,5 @@
 void trailing_metadata(grpc_end2end_test_config config) {
   test_request_response_with_metadata_and_payload(config);
 }
+
+void trailing_metadata_pre_init(void) {}
diff --git a/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf b/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf
new file mode 100644
index 0000000..4efa386
--- /dev/null
+++ b/test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf
Binary files differ
diff --git a/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0 b/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0
new file mode 100644
index 0000000..6075d0a
--- /dev/null
+++ b/test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0
Binary files differ
diff --git a/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa b/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa
new file mode 100644
index 0000000..e241a0c
--- /dev/null
+++ b/test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa
Binary files differ
diff --git a/test/core/internal_api_canaries/iomgr.c b/test/core/internal_api_canaries/iomgr.c
index 04d6699..f87a80c 100644
--- a/test/core/internal_api_canaries/iomgr.c
+++ b/test/core/internal_api_canaries/iomgr.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/internal_api_canaries/support.c b/test/core/internal_api_canaries/support.c
index 7e00e0d..c51cbf2 100644
--- a/test/core/internal_api_canaries/support.c
+++ b/test/core/internal_api_canaries/support.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/internal_api_canaries/transport.c b/test/core/internal_api_canaries/transport.c
index 01daaba..0617865 100644
--- a/test/core/internal_api_canaries/transport.c
+++ b/test/core/internal_api_canaries/transport.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110 b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
new file mode 100644
index 0000000..2b5fc99
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110
Binary files differ
diff --git a/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540 b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
new file mode 100644
index 0000000..85366be
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540
@@ -0,0 +1 @@
+½“½“2ƒ;΃;Î)±%Ì))±%Ì)::
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be b/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be
new file mode 100644
index 0000000..74921b2
--- /dev/null
+++ b/test/core/nanopb/corpus_response/0ecb3e69889c036a86d21eb942077dc9abd649be
Binary files differ
diff --git a/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897 b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
new file mode 100644
index 0000000..4b7de2e
--- /dev/null
+++ b/test/core/nanopb/corpus_response/1324c95dafe597fe05f9babe92fe6fbf181c1897
@@ -0,0 +1 @@
+(z%;:8!(¼;ªo!>::†©;=È(	);;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
new file mode 100644
index 0000000..5a07792
--- /dev/null
+++ b/test/core/nanopb/corpus_response/14eb42f7423081b455820daa2c02b358315dc0fa
@@ -0,0 +1 @@
+(z%;:8!(¼;ª!>::†©;=È(	);;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513 b/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513
new file mode 100644
index 0000000..e9db64b
--- /dev/null
+++ b/test/core/nanopb/corpus_response/23121c5f633db5d7c1a9f2225240754246fee513
Binary files differ
diff --git a/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956 b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
new file mode 100644
index 0000000..da1306d
--- /dev/null
+++ b/test/core/nanopb/corpus_response/235548307ee9f2b0855fded42a871990d9ade956
Binary files differ
diff --git a/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40 b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
new file mode 100644
index 0000000..f46d387
--- /dev/null
+++ b/test/core/nanopb/corpus_response/28ed3a797da3c48c309a4ef792147f3c56cfec40
@@ -0,0 +1 @@
+(
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
new file mode 100644
index 0000000..7ea0b41
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2bf123dbfa1d37a04493b5662a4b3b9c147485fc
Binary files differ
diff --git a/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1 b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
new file mode 100644
index 0000000..cd74051
--- /dev/null
+++ b/test/core/nanopb/corpus_response/2d4c0908ecc0310ea234d10b6bdb4f4ca3c41dd1
@@ -0,0 +1 @@
+):):\bJ'
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033 b/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033
new file mode 100644
index 0000000..a7571c0
--- /dev/null
+++ b/test/core/nanopb/corpus_response/304e8cdc9122b709ec2c063a5c8c38489a788033
Binary files differ
diff --git a/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2 b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
new file mode 100644
index 0000000..9ca38b3
--- /dev/null
+++ b/test/core/nanopb/corpus_response/324d4a2aed8bc1840fee212fd38dadec80a72ea2
Binary files differ
diff --git a/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
new file mode 100644
index 0000000..9320a7a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/33353a0b011901a13d010c6b165074ccdaa717ac
@@ -0,0 +1 @@
+ž½“ƒÎ)±Ì)::\!;):bJ):'\éb*
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0 b/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0
new file mode 100644
index 0000000..725e601
--- /dev/null
+++ b/test/core/nanopb/corpus_response/37dfead09389fcd9b9d24ef817a0fed13d8ff2b0
Binary files differ
diff --git a/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41 b/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41
new file mode 100644
index 0000000..b42661c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/47879cc364be304754f6af15563ad6f9a538da41
Binary files differ
diff --git a/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
new file mode 100644
index 0000000..4a551cf
--- /dev/null
+++ b/test/core/nanopb/corpus_response/49a5cef4c730ecab22712b156ddba5106f165afd
@@ -0,0 +1 @@
+(z!;:8!(¼;ªo!>::†©;=È(	);ö;!ÞØ*:):B(r''' *þEàh;**!!Ý****
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
new file mode 100644
index 0000000..d99c09f
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4bbbbb794a098deeacff73b774c30f12c54ceacb
@@ -0,0 +1 @@
+(z%;28!(¼;ª!*>::†(z%;28!(¼;ª!>::†ùâåò©
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60 b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
new file mode 100644
index 0000000..8618194
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4c498ce69c8476f745693deb23272930e05cad60
Binary files differ
diff --git a/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
new file mode 100644
index 0000000..59a8026
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4fb5e3085c32e9bccac9e18343cca07017d037de
Binary files differ
diff --git a/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
new file mode 100644
index 0000000..3d44fad
--- /dev/null
+++ b/test/core/nanopb/corpus_response/4fe5e46c1299e7f3e8a41dde3ae1bf1b60b4a43c
@@ -0,0 +1 @@
+a¶(6)!á•(	!!)b:'Ü:*¤();Ì0();)Ï(|)ÿ!V)'*¡!t<bß¶…*!(b*()(:dVj)
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42 b/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42
new file mode 100644
index 0000000..2489cb7
--- /dev/null
+++ b/test/core/nanopb/corpus_response/670cc6bae958cb4f15e7297fe63959ac5799aa42
Binary files differ
diff --git a/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d b/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d
new file mode 100644
index 0000000..d2fb75c
--- /dev/null
+++ b/test/core/nanopb/corpus_response/675f3263af7d1bbb084872f2b23f6d363227e85d
Binary files differ
diff --git a/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986 b/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986
new file mode 100644
index 0000000..0ba194a
--- /dev/null
+++ b/test/core/nanopb/corpus_response/67fe0d2acc727c8a39a707b92c6cebda9bd20986
@@ -0,0 +1 @@
+½™'Ì)%±ƒ™Þ):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355 b/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355
new file mode 100644
index 0000000..98da1dd
--- /dev/null
+++ b/test/core/nanopb/corpus_response/6d15065785eb8f4b5f17357a520cb4815a2cb355
@@ -0,0 +1 @@
+½™'ƒÎ)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa b/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa
new file mode 100644
index 0000000..193b899
--- /dev/null
+++ b/test/core/nanopb/corpus_response/73285d7a70d73b517648067520d921e4477dbbfa
Binary files differ
diff --git a/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2 b/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2
new file mode 100644
index 0000000..8387eab
--- /dev/null
+++ b/test/core/nanopb/corpus_response/747d1ed8bee4c6f0438beaf88ae76d8ef9f63da2
@@ -0,0 +1 @@
+½¤½“ž½“ƒÎ½ƒ);Î)±
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016 b/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016
new file mode 100644
index 0000000..9c5c365
--- /dev/null
+++ b/test/core/nanopb/corpus_response/763878a34b3adeb99a03b54d09768a4451617016
@@ -0,0 +1 @@
+½“ž½“ƒÎ)ƒ;Î)±%Ì):
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7 b/test/core/nanopb/corpus_response/7b4b0c2555178333ba15203a930c88ef7e7500e7
new file mode 100644
index 0000000..b14d25a
--- /dev/null
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index 0000000..db926fd
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/eb7c31f48c77b742fa29126ac78a2c06c41208e8
@@ -0,0 +1 @@
+²U—
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ec174492517f988010ed3ddbd003cb388f477bb6 b/test/core/nanopb/corpus_serverlist/ec174492517f988010ed3ddbd003cb388f477bb6
new file mode 100644
index 0000000..23b7293
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ec174492517f988010ed3ddbd003cb388f477bb6
@@ -0,0 +1 @@
+U)B!à@
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ec4d6a393be7ec80ccb8c531337a7fc3ef140e66 b/test/core/nanopb/corpus_serverlist/ec4d6a393be7ec80ccb8c531337a7fc3ef140e66
new file mode 100644
index 0000000..6402f35
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ec4d6a393be7ec80ccb8c531337a7fc3ef140e66
@@ -0,0 +1 @@
+)­'Û¦)U!a	!:Øç•ÏøÉ=×Éÿ
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ecd40909ab5e2c61841d9fb95b8aacc87651100c b/test/core/nanopb/corpus_serverlist/ecd40909ab5e2c61841d9fb95b8aacc87651100c
new file mode 100644
index 0000000..f74e810
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ecd40909ab5e2c61841d9fb95b8aacc87651100c
Binary files differ
diff --git a/test/core/nanopb/corpus_serverlist/ed17c8ddb6cc8a0b653dc87aca999d31e80c781a b/test/core/nanopb/corpus_serverlist/ed17c8ddb6cc8a0b653dc87aca999d31e80c781a
new file mode 100644
index 0000000..359a205
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ed17c8ddb6cc8a0b653dc87aca999d31e80c781a
@@ -0,0 +1 @@
+Ų;Ų‘UõUú‰Ù(	Ų;²UUú‰*Ų;²UÅÙ(Ž(²'Ö!…z%)#­€
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ee0b476126bb1c2249b299323718ecef1250645e b/test/core/nanopb/corpus_serverlist/ee0b476126bb1c2249b299323718ecef1250645e
new file mode 100644
index 0000000..954e32c
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ee0b476126bb1c2249b299323718ecef1250645e
@@ -0,0 +1,2 @@
+¹!
+!ØìÆ!Øìƽ÷(!)!5Sã::Ô`…¶8!q½÷(!"€')2;ò•:!!.
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ee1fb6a0b4139c07f1cf6bce850eaac9a2db29ba b/test/core/nanopb/corpus_serverlist/ee1fb6a0b4139c07f1cf6bce850eaac9a2db29ba
new file mode 100644
index 0000000..5611bc5
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ee1fb6a0b4139c07f1cf6bce850eaac9a2db29ba
@@ -0,0 +1 @@
+!)fBB!(@)ò	'ÇZ!!Î!*M)!:“(ó'ØH(;ã‰T('¯Ò'û);<''šŸÐ*“¢ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/eeac145c017ed35305f0ae69f820fc41e26e7997 b/test/core/nanopb/corpus_serverlist/eeac145c017ed35305f0ae69f820fc41e26e7997
new file mode 100644
index 0000000..e20a603
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/eeac145c017ed35305f0ae69f820fc41e26e7997
@@ -0,0 +1 @@
+'#9k;*;7»*)õ!!$*!H?*'›¼ßE ‹Í(±;o'*!:Ã:Ȏ*­;:ï%!)†!;*!tcÈ®:ˆ
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/efac7390c6e3a653d3ce93c3d6902f2f1c281ce0 b/test/core/nanopb/corpus_serverlist/efac7390c6e3a653d3ce93c3d6902f2f1c281ce0
new file mode 100644
index 0000000..921afe4
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/efac7390c6e3a653d3ce93c3d6902f2f1c281ce0
@@ -0,0 +1 @@
+Á²•Wo:'ì*#!@	':*)Á²²Wo:'Wo*'!@*()*()@)(!:)Áü²²²(!'
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f0f0dace93d51cd8e045aeacca89424fc836eebc b/test/core/nanopb/corpus_serverlist/f0f0dace93d51cd8e045aeacca89424fc836eebc
new file mode 100644
index 0000000..74f82e6
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f0f0dace93d51cd8e045aeacca89424fc836eebc
Binary files differ
diff --git a/test/core/nanopb/corpus_serverlist/f3341b8cc55c0bb6e2d0a1f7f06d68e4f04057f5 b/test/core/nanopb/corpus_serverlist/f3341b8cc55c0bb6e2d0a1f7f06d68e4f04057f5
new file mode 100644
index 0000000..aa1c2e7
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f3341b8cc55c0bb6e2d0a1f7f06d68e4f04057f5
Binary files differ
diff --git a/test/core/nanopb/corpus_serverlist/f59ff56e341b94f2bddfd718b48ae9ab1692d720 b/test/core/nanopb/corpus_serverlist/f59ff56e341b94f2bddfd718b48ae9ab1692d720
new file mode 100644
index 0000000..8bc99b6
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f59ff56e341b94f2bddfd718b48ae9ab1692d720
@@ -0,0 +1,2 @@
+Á²²Wo:'ì*'!@*(Á*()@)Á²²²(!(!'
+Á²²ò
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f5a1824b9fd9f124df8097017607bcfa00eccfce b/test/core/nanopb/corpus_serverlist/f5a1824b9fd9f124df8097017607bcfa00eccfce
new file mode 100644
index 0000000..a4cbfd6
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f5a1824b9fd9f124df8097017607bcfa00eccfce
@@ -0,0 +1,2 @@
+Á²²Wo:'ì*'!@:(:Á*():)Á|²²Á(;('
+²Á²’²
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad b/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad
new file mode 100644
index 0000000..10b6509
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f5b92b69853a5d123bffdc6b0ab093f767ec30ad
Binary files differ
diff --git a/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd b/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd
new file mode 100644
index 0000000..9f4d935
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f6aea4c380e41ddef2489ee581ab35e17fa3e8dd
@@ -0,0 +1,2 @@
+Ų;IJ
+UUú‰™(		MÁ²²²²;²²UW
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583 b/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583
new file mode 100644
index 0000000..3085daf
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f7b7254a3af7c41cb86e4b23bb93c5a6d55e2583
@@ -0,0 +1 @@
+)*!B!Óà@'))ò);'Ǔ¢ƒ§à:E:@sD'tÂ'–!();!­	''³(N);)&
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab b/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab
new file mode 100644
index 0000000..1f4ca95
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f7bdc1b174f53a49c6ef8f8cdb9b8e74e0a5d4ab
@@ -0,0 +1,3 @@
+!¼;@oCÙ'–((!*Ú*'‚'*')
+!*š;!x!(*:)ÞNË):y
+œ“)I;ô9;()”o:;¨'¨*(;
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927 b/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927
new file mode 100644
index 0000000..a8a1af8
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/f98c78c028baf22f39c77faf6e70edb86ac1d927
@@ -0,0 +1 @@
+ŲU
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff b/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff
new file mode 100644
index 0000000..681ba0a
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fb440171bca6ff922727e9ff2a4ac40d8d7905ff
@@ -0,0 +1 @@
+	
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0 b/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0
new file mode 100644
index 0000000..fde5853
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fc76cc4030b422e4cb5c145c3e8ed122e242acf0
@@ -0,0 +1 @@
+!)fBB!(@)ò	Z!!'!*M)!:“(ó'ØH(ã‰T('¯Ò'û);<''šŸÐ*“¢ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e b/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e
new file mode 100644
index 0000000..690c0a1
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fcab3b80624b431e464dc12d3b6da1cf538bd15e
@@ -0,0 +1,2 @@
+!
+)fBB!(@)ò	'Z!!Î!*M)!:“(ó'ØHã(‰T('¯Ò'û);<'šŸÐ*“<ƒÿ§'à
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd b/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd
new file mode 100644
index 0000000..adbe858
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fdb3a9b59798d7e851d9074db69422b1d2df38dd
@@ -0,0 +1 @@
+È;2È;ò•òÈ;ò2
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3 b/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3
new file mode 100644
index 0000000..83c20ee
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/fe5de5f387e31b029d589d9b1777fd0d6b3e47b3
@@ -0,0 +1,3 @@
+!¼;@oCÙ'–((!*Ú*''*'	!
+(š;!x!(*:)ÞNË):y
+œ“)I?ô)):(”o:;©'(*(;
\ No newline at end of file
diff --git a/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f b/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f
new file mode 100644
index 0000000..4975d72
--- /dev/null
+++ b/test/core/nanopb/corpus_serverlist/ff52d938aaa10c08b2eb0830fc0066c3b57e040f
Binary files differ
diff --git a/test/core/nanopb/fuzzer_response.c b/test/core/nanopb/fuzzer_response.c
new file mode 100644
index 0000000..b4e3860
--- /dev/null
+++ b/test/core/nanopb/fuzzer_response.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_response *response;
+  if ((response = grpc_grpclb_response_parse(slice))) {
+    grpc_grpclb_response_destroy(response);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/nanopb/fuzzer_serverlist.c b/test/core/nanopb/fuzzer_serverlist.c
new file mode 100644
index 0000000..d4ec74f
--- /dev/null
+++ b/test/core/nanopb/fuzzer_serverlist.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  gpr_slice slice = gpr_slice_from_copied_buffer((const char *)data, size);
+  grpc_grpclb_serverlist *serverlist;
+  if ((serverlist = grpc_grpclb_response_parse_serverlist(slice))) {
+    grpc_grpclb_destroy_serverlist(serverlist);
+  }
+  gpr_slice_unref(slice);
+  return 0;
+}
diff --git a/test/core/surface/channel_create_test.c b/test/core/surface/channel_create_test.c
index 95b4eaf..5ff66bd 100644
--- a/test/core/surface/channel_create_test.c
+++ b/test/core/surface/channel_create_test.c
@@ -33,7 +33,7 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
 void test_unknown_scheme_target(void) {
diff --git a/test/core/surface/secure_channel_create_test.c b/test/core/surface/secure_channel_create_test.c
index eb710cb..80419ef 100644
--- a/test/core/surface/secure_channel_create_test.c
+++ b/test/core/surface/secure_channel_create_test.c
@@ -36,7 +36,7 @@
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/log.h>
-#include "src/core/lib/client_config/resolver_registry.h"
+#include "src/core/ext/client_config/resolver_registry.h"
 #include "src/core/lib/security/credentials.h"
 #include "src/core/lib/security/security_connector.h"
 #include "src/core/lib/surface/channel.h"
diff --git a/test/core/surface/server_test.c b/test/core/surface/server_test.c
index 4c62d8c..3d2e253 100644
--- a/test/core/surface/server_test.c
+++ b/test/core/surface/server_test.c
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015-2016, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,19 +42,25 @@
   grpc_server *server = grpc_server_create(NULL, NULL);
   void *method;
   void *method_old;
-  method = grpc_server_register_method(server, NULL, NULL, 0);
+  method =
+      grpc_server_register_method(server, NULL, NULL, GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method == NULL);
-  method_old = grpc_server_register_method(server, "m", "h", 0);
+  method_old =
+      grpc_server_register_method(server, "m", "h", GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method_old != NULL);
-  method = grpc_server_register_method(server, "m", "h", 0);
+  method = grpc_server_register_method(
+      server, "m", "h", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER, 0);
   GPR_ASSERT(method == NULL);
-  method_old = grpc_server_register_method(
-      server, "m2", "h2", GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
+  method_old =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE,
+                                  GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
   GPR_ASSERT(method_old != NULL);
-  method = grpc_server_register_method(server, "m2", "h2", 0);
+  method =
+      grpc_server_register_method(server, "m2", "h2", GRPC_SRM_PAYLOAD_NONE, 0);
   GPR_ASSERT(method == NULL);
   method = grpc_server_register_method(
-      server, "m2", "h2", GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
+      server, "m2", "h2", GRPC_SRM_PAYLOAD_READ_INITIAL_BYTE_BUFFER,
+      GRPC_INITIAL_METADATA_IDEMPOTENT_REQUEST);
   GPR_ASSERT(method == NULL);
   grpc_server_destroy(server);
 }
diff --git a/test/core/transport/chttp2/alpn_test.c b/test/core/transport/chttp2/alpn_test.c
index 75d8ee5..48064ec 100644
--- a/test/core/transport/chttp2/alpn_test.c
+++ b/test/core/transport/chttp2/alpn_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/transport/chttp2/transport/alpn.h"
+#include "src/core/ext/transport/chttp2/alpn/alpn.h"
 
 #include <grpc/support/log.h>
 #include "test/core/util/test_config.h"
diff --git a/test/core/transport/chttp2/bin_encoder_test.c b/test/core/transport/chttp2/bin_encoder_test.c
index 96efb4d..095861e 100644
--- a/test/core/transport/chttp2/bin_encoder_test.c
+++ b/test/core/transport/chttp2/bin_encoder_test.c
@@ -83,7 +83,7 @@
   gpr_slice input = gpr_slice_from_copied_buffer(s, len);
   gpr_slice base64 = grpc_chttp2_base64_encode(input);
   gpr_slice expect = grpc_chttp2_huffman_compress(base64);
-  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress(input);
+  gpr_slice got = grpc_chttp2_base64_encode_and_huffman_compress_impl(input);
   if (0 != gpr_slice_cmp(expect, got)) {
     char *t = gpr_dump_slice(input, GPR_DUMP_HEX | GPR_DUMP_ASCII);
     char *e = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
index 5ff592c..186bb64 100644
--- a/test/core/transport/chttp2/hpack_encoder_test.c
+++ b/test/core/transport/chttp2/hpack_encoder_test.c
@@ -184,6 +184,37 @@
   verify(0, 0, 0, "000007 0104 deadbeef 40 026161 026261", 1, "aa", "ba");
 }
 
+static void verify_table_size_change_match_elem_size(const char *key,
+                                                     const char *value) {
+  gpr_slice_buffer output;
+  grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  size_t initial_table_size = g_compressor.table_size;
+  grpc_linked_mdelem *e = gpr_malloc(sizeof(*e));
+  grpc_metadata_batch b;
+  grpc_metadata_batch_init(&b);
+  e[0].md = elem;
+  e[0].prev = NULL;
+  e[0].next = NULL;
+  b.list.head = &e[0];
+  b.list.tail = &e[0];
+  gpr_slice_buffer_init(&output);
+
+  grpc_transport_one_way_stats stats;
+  memset(&stats, 0, sizeof(stats));
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, 0, &stats, &output);
+  gpr_slice_buffer_destroy(&output);
+  grpc_metadata_batch_destroy(&b);
+
+  GPR_ASSERT(g_compressor.table_size == elem_size + initial_table_size);
+  gpr_free(e);
+}
+
+static void test_encode_header_size(void) {
+  verify_table_size_change_match_elem_size("hello", "world");
+  verify_table_size_change_match_elem_size("hello-bin", "world");
+}
+
 static void run_test(void (*test)(), const char *name) {
   gpr_log(GPR_INFO, "RUN TEST: %s", name);
   grpc_chttp2_hpack_compressor_init(&g_compressor);
@@ -198,6 +229,7 @@
   grpc_init();
   TEST(test_basic_headers);
   TEST(test_decode_table_overflow);
+  TEST(test_encode_header_size);
   grpc_shutdown();
   for (i = 0; i < num_to_delete; i++) {
     gpr_free(to_delete[i]);
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/7ff3b6239b04479a9caf67f45b2d0c619f712815 b/test/core/transport/chttp2/hpack_parser_corpus/7ff3b6239b04479a9caf67f45b2d0c619f712815
new file mode 100644
index 0000000..2b2b727
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/7ff3b6239b04479a9caf67f45b2d0c619f712815
Binary files differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/d1c7ae01a81a122c2fd7c5d8debcae7566e9ee2f b/test/core/transport/chttp2/hpack_parser_corpus/d1c7ae01a81a122c2fd7c5d8debcae7566e9ee2f
new file mode 100644
index 0000000..4547f5a
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/d1c7ae01a81a122c2fd7c5d8debcae7566e9ee2f
Binary files differ
diff --git a/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c b/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c
new file mode 100644
index 0000000..b9b44ea
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c
Binary files differ
diff --git a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
index 4a4472f..e41eda8 100644
--- a/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
+++ b/test/core/transport/chttp2/hpack_parser_fuzzer_test.c
@@ -36,13 +36,16 @@
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
 
 #include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
 
 static void onhdr(void *ud, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
+static void dont_log(gpr_log_func_args *args) {}
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_test_only_set_metadata_hash_seed(0);
+  gpr_set_log_function(dont_log);
   grpc_init();
   grpc_chttp2_hpack_parser parser;
   grpc_chttp2_hpack_parser_init(&parser);
diff --git a/test/core/transport/metadata_test.c b/test/core/transport/metadata_test.c
index 809fa87..a4e9694 100644
--- a/test/core/transport/metadata_test.c
+++ b/test/core/transport/metadata_test.c
@@ -34,6 +34,7 @@
 #include "src/core/lib/transport/metadata.h"
 
 #include <stdio.h>
+#include <string.h>
 
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
@@ -42,6 +43,7 @@
 
 #include "src/core/ext/transport/chttp2/transport/bin_encoder.h"
 #include "src/core/lib/support/string.h"
+#include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
@@ -260,6 +262,54 @@
   grpc_shutdown();
 }
 
+static void verify_ascii_header_size(const char *key, const char *value) {
+  grpc_mdelem *elem = grpc_mdelem_from_strings(key, value);
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  size_t expected_size = 32 + strlen(key) + strlen(value);
+  GPR_ASSERT(expected_size == elem_size);
+  GRPC_MDELEM_UNREF(elem);
+}
+
+static void verify_binary_header_size(const char *key, const uint8_t *value,
+                                      size_t value_len) {
+  grpc_mdelem *elem = grpc_mdelem_from_string_and_buffer(key, value, value_len);
+  GPR_ASSERT(grpc_is_binary_header(key, strlen(key)));
+  size_t elem_size = grpc_mdelem_get_size_in_hpack_table(elem);
+  gpr_slice value_slice =
+      gpr_slice_from_copied_buffer((const char *)value, value_len);
+  gpr_slice base64_encoded = grpc_chttp2_base64_encode(value_slice);
+  size_t expected_size = 32 + strlen(key) + GPR_SLICE_LENGTH(base64_encoded);
+  GPR_ASSERT(expected_size == elem_size);
+  gpr_slice_unref(value_slice);
+  gpr_slice_unref(base64_encoded);
+  GRPC_MDELEM_UNREF(elem);
+}
+
+#define BUFFER_SIZE 64
+static void test_mdelem_sizes_in_hpack(void) {
+  LOG_TEST("test_mdelem_size");
+  grpc_init();
+
+  uint8_t binary_value[BUFFER_SIZE] = {0};
+  for (uint8_t i = 0; i < BUFFER_SIZE; i++) {
+    binary_value[i] = i;
+  }
+
+  verify_ascii_header_size("hello", "world");
+  verify_ascii_header_size("hello", "worldxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+  verify_ascii_header_size(":scheme", "http");
+
+  for (uint8_t i = 0; i < BUFFER_SIZE; i++) {
+    verify_binary_header_size("hello-bin", binary_value, i);
+  }
+
+  const char *static_metadata = grpc_static_metadata_strings[0];
+  memcpy(binary_value, static_metadata, strlen(static_metadata));
+  verify_binary_header_size("hello-bin", binary_value, strlen(static_metadata));
+
+  grpc_shutdown();
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_no_op();
@@ -272,5 +322,6 @@
   test_slices_work();
   test_base64_and_huffman_works();
   test_user_data_works();
+  test_mdelem_sizes_in_hpack();
   return 0;
 }
diff --git a/test/core/util/mock_endpoint.c b/test/core/util/mock_endpoint.c
new file mode 100644
index 0000000..7768413
--- /dev/null
+++ b/test/core/util/mock_endpoint.c
@@ -0,0 +1,124 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/util/mock_endpoint.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+typedef struct grpc_mock_endpoint {
+  grpc_endpoint base;
+  gpr_mu mu;
+  void (*on_write)(gpr_slice slice);
+  gpr_slice_buffer read_buffer;
+  gpr_slice_buffer *on_read_out;
+  grpc_closure *on_read;
+} grpc_mock_endpoint;
+
+static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                    gpr_slice_buffer *slices, grpc_closure *cb) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->read_buffer.count > 0) {
+    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+  } else {
+    m->on_read = cb;
+    m->on_read_out = slices;
+  }
+  gpr_mu_unlock(&m->mu);
+}
+
+static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                     gpr_slice_buffer *slices, grpc_closure *cb) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  for (size_t i = 0; i < slices->count; i++) {
+    m->on_write(slices->slices[i]);
+  }
+  grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+}
+
+static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                              grpc_pollset *pollset) {}
+
+static void me_add_to_pollset_set(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                  grpc_pollset_set *pollset) {}
+
+static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  gpr_mu_unlock(&m->mu);
+}
+
+static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_slice_buffer_destroy(&m->read_buffer);
+  gpr_free(m);
+}
+
+static char *me_get_peer(grpc_endpoint *ep) {
+  return gpr_strdup("fake:mock_endpoint");
+}
+
+static const grpc_endpoint_vtable vtable = {
+    me_read,     me_write,   me_add_to_pollset, me_add_to_pollset_set,
+    me_shutdown, me_destroy, me_get_peer,
+};
+
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice)) {
+  grpc_mock_endpoint *m = gpr_malloc(sizeof(*m));
+  m->base.vtable = &vtable;
+  gpr_slice_buffer_init(&m->read_buffer);
+  gpr_mu_init(&m->mu);
+  m->on_write = on_write;
+  m->on_read = NULL;
+  return &m->base;
+}
+
+void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                 gpr_slice slice) {
+  grpc_mock_endpoint *m = (grpc_mock_endpoint *)ep;
+  gpr_mu_lock(&m->mu);
+  if (m->on_read != NULL) {
+    gpr_slice_buffer_add(m->on_read_out, slice);
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, true, NULL);
+    m->on_read = NULL;
+  } else {
+    gpr_slice_buffer_add(&m->read_buffer, slice);
+  }
+  gpr_mu_unlock(&m->mu);
+}
diff --git a/test/core/util/mock_endpoint.h b/test/core/util/mock_endpoint.h
new file mode 100644
index 0000000..051af98
--- /dev/null
+++ b/test/core/util/mock_endpoint.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef MOCK_ENDPOINT_H
+#define MOCK_ENDPOINT_H
+
+#include "src/core/lib/iomgr/endpoint.h"
+
+grpc_endpoint *grpc_mock_endpoint_create(void (*on_write)(gpr_slice slice));
+void grpc_mock_endpoint_put_read(grpc_exec_ctx *exec_ctx,
+                                 grpc_endpoint *mock_endpoint, gpr_slice slice);
+
+#endif
diff --git a/test/core/util/reconnect_server.c b/test/core/util/reconnect_server.c
index 5b0b325..d408374 100644
--- a/test/core/util/reconnect_server.c
+++ b/test/core/util/reconnect_server.c
@@ -60,8 +60,12 @@
             i, backoff / 1000.0, expected_backoff / 1000.0,
             (backoff - expected_backoff) * 100.0 / expected_backoff);
     expected_backoff *= 1.6;
-    if (expected_backoff > 120 * 1000) {
-      expected_backoff = 120 * 1000;
+    int max_reconnect_backoff_ms = 120 * 1000;
+    if (server->max_reconnect_backoff_ms > 0) {
+      max_reconnect_backoff_ms = server->max_reconnect_backoff_ms;
+    }
+    if (expected_backoff > max_reconnect_backoff_ms) {
+      expected_backoff = max_reconnect_backoff_ms;
     }
   }
 }
@@ -108,6 +112,7 @@
   server->head = NULL;
   server->tail = NULL;
   server->peer = NULL;
+  server->max_reconnect_backoff_ms = 0;
 }
 
 void reconnect_server_start(reconnect_server *server, int port) {
diff --git a/test/core/util/reconnect_server.h b/test/core/util/reconnect_server.h
index e2e6a02..ed02d49 100644
--- a/test/core/util/reconnect_server.h
+++ b/test/core/util/reconnect_server.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -52,6 +52,7 @@
   timestamp_list *head;
   timestamp_list *tail;
   char *peer;
+  int max_reconnect_backoff_ms;
 } reconnect_server;
 
 void reconnect_server_init(reconnect_server *server);
diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index c01f40d..30b04fb 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc
@@ -88,6 +88,7 @@
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
+  context.set_fail_fast(false);
 
   auto stream = stub->BidiStream(&context);
 
@@ -113,6 +114,7 @@
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
+  context.set_fail_fast(false);
 
   auto stream = stub->BidiStream(&context);
 
diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index 1964840..ece948d 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc
@@ -63,6 +63,7 @@
   EchoRequest request;
   EchoResponse response;
   grpc::ClientContext context;
+  context.set_fail_fast(false);
 
   if (FLAGS_mode == "bidi") {
     auto stream = stub->BidiStream(&context);
diff --git a/test/cpp/interop/reconnect_interop_client.cc b/test/cpp/interop/reconnect_interop_client.cc
index 87e3bd6..797e52c 100644
--- a/test/cpp/interop/reconnect_interop_client.cc
+++ b/test/cpp/interop/reconnect_interop_client.cc
@@ -37,6 +37,7 @@
 #include <gflags/gflags.h>
 #include <grpc++/channel.h>
 #include <grpc++/client_context.h>
+#include <grpc++/support/channel_arguments.h>
 #include <grpc/grpc.h>
 #include <grpc/support/log.h>
 #include "src/proto/grpc/testing/empty.grpc.pb.h"
@@ -48,13 +49,18 @@
 DEFINE_int32(server_control_port, 0, "Server port for control rpcs.");
 DEFINE_int32(server_retry_port, 0, "Server port for testing reconnection.");
 DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
+DEFINE_int32(max_reconnect_backoff_ms, 0,
+             "Maximum backoff time, or 0 for default.");
 
+using grpc::CallCredentials;
 using grpc::Channel;
+using grpc::ChannelArguments;
 using grpc::ClientContext;
 using grpc::CreateTestChannel;
 using grpc::Status;
 using grpc::testing::Empty;
 using grpc::testing::ReconnectInfo;
+using grpc::testing::ReconnectParams;
 using grpc::testing::ReconnectService;
 
 int main(int argc, char** argv) {
@@ -68,17 +74,25 @@
       ReconnectService::NewStub(
           CreateTestChannel(server_address.str(), false)));
   ClientContext start_context;
-  Empty empty_request;
+  ReconnectParams reconnect_params;
+  reconnect_params.set_max_reconnect_backoff_ms(FLAGS_max_reconnect_backoff_ms);
   Empty empty_response;
   Status start_status =
-      control_stub->Start(&start_context, empty_request, &empty_response);
+      control_stub->Start(&start_context, reconnect_params, &empty_response);
   GPR_ASSERT(start_status.ok());
 
   gpr_log(GPR_INFO, "Starting connections with retries.");
   server_address.str("");
   server_address << FLAGS_server_host << ':' << FLAGS_server_retry_port;
+  ChannelArguments channel_args;
+  if (FLAGS_max_reconnect_backoff_ms > 0) {
+    channel_args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS,
+                        FLAGS_max_reconnect_backoff_ms);
+  }
   std::shared_ptr<Channel> retry_channel =
-      CreateTestChannel(server_address.str(), true);
+      CreateTestChannel(server_address.str(), "foo.test.google.fr", true, false,
+                        std::shared_ptr<CallCredentials>(), channel_args);
+
   // About 13 retries.
   const int kDeadlineSeconds = 540;
   // Use any rpc to test retry.
@@ -88,15 +102,15 @@
   retry_context.set_deadline(std::chrono::system_clock::now() +
                              std::chrono::seconds(kDeadlineSeconds));
   Status retry_status =
-      retry_stub->Start(&retry_context, empty_request, &empty_response);
+      retry_stub->Start(&retry_context, reconnect_params, &empty_response);
   GPR_ASSERT(retry_status.error_code() == grpc::StatusCode::DEADLINE_EXCEEDED);
   gpr_log(GPR_INFO, "Done retrying, getting final data from server");
 
   ClientContext stop_context;
   ReconnectInfo response;
-  Status stop_status =
-      control_stub->Stop(&stop_context, empty_request, &response);
+  Status stop_status = control_stub->Stop(&stop_context, Empty(), &response);
   GPR_ASSERT(stop_status.ok());
   GPR_ASSERT(response.passed() == true);
+  gpr_log(GPR_INFO, "Passed");
   return 0;
 }
diff --git a/test/cpp/interop/reconnect_interop_server.cc b/test/cpp/interop/reconnect_interop_server.cc
index e2114fa..53d51e8 100644
--- a/test/cpp/interop/reconnect_interop_server.cc
+++ b/test/cpp/interop/reconnect_interop_server.cc
@@ -71,6 +71,7 @@
 using grpc::testing::Empty;
 using grpc::testing::ReconnectService;
 using grpc::testing::ReconnectInfo;
+using grpc::testing::ReconnectParams;
 
 static bool got_sigint = false;
 
@@ -92,7 +93,8 @@
 
   void Poll(int seconds) { reconnect_server_poll(&tcp_server_, seconds); }
 
-  Status Start(ServerContext* context, const Empty* request, Empty* response) {
+  Status Start(ServerContext* context, const ReconnectParams* request,
+               Empty* response) {
     bool start_server = true;
     std::unique_lock<std::mutex> lock(mu_);
     while (serving_ && !shutdown_) {
@@ -105,6 +107,8 @@
     if (server_started_) {
       start_server = false;
     } else {
+      tcp_server_.max_reconnect_backoff_ms =
+          request->max_reconnect_backoff_ms();
       server_started_ = true;
     }
     lock.unlock();
@@ -133,7 +137,9 @@
     const double kTransmissionDelay = 100.0;
     const double kBackoffMultiplier = 1.6;
     const double kJitterFactor = 0.2;
-    const int kMaxBackoffMs = 120 * 1000;
+    const int kMaxBackoffMs = tcp_server_.max_reconnect_backoff_ms
+                                  ? tcp_server_.max_reconnect_backoff_ms
+                                  : 120 * 1000;
     bool passed = true;
     for (timestamp_list* cur = tcp_server_.head; cur && cur->next;
          cur = cur->next) {
diff --git a/test/cpp/qps/gen_build_yaml.py b/test/cpp/qps/gen_build_yaml.py
new file mode 100755
index 0000000..9d6bf2a
--- /dev/null
+++ b/test/cpp/qps/gen_build_yaml.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python2.7
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import json
+import pipes
+import shutil
+import sys
+import os
+import yaml
+
+run_tests_root = os.path.abspath(os.path.join(
+    os.path.dirname(sys.argv[0]),
+    '../../../tools/run_tests'))
+sys.path.append(run_tests_root)
+
+import performance.scenario_config as scenario_config
+
+print yaml.dump({
+  'tests': [
+    {
+      'name': 'json_run_localhost',
+      'shortname': 'json_run_localhost:%s' % js['name'],
+      'args': ['--scenario_json', pipes.quote(json.dumps(js))],
+      'ci_platforms': ['linux', 'mac', 'posix', 'windows'],
+      'platforms': ['linux', 'mac', 'posix', 'windows'],
+      'flaky': False,
+      'language': 'c++',
+      'boringssl': True,
+      'defaults': 'boringssl',
+      'cpu_cost': 1000.0,
+      'exclude_configs': []
+    }
+    for js in scenario_config.CXXLanguage().scenarios()
+  ]
+})
diff --git a/test/cpp/qps/json_run_localhost.cc b/test/cpp/qps/json_run_localhost.cc
new file mode 100644
index 0000000..6545dc2
--- /dev/null
+++ b/test/cpp/qps/json_run_localhost.cc
@@ -0,0 +1,86 @@
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <memory>
+#include <sstream>
+#include <string>
+
+#include <grpc/support/log.h>
+
+#include "src/core/lib/support/env.h"
+#include "test/core/util/port.h"
+#include "test/cpp/util/subprocess.h"
+
+using grpc::SubProcess;
+
+template <class T>
+std::string as_string(const T& val) {
+  std::ostringstream out;
+  out << val;
+  return out.str();
+}
+
+int main(int argc, char** argv) {
+  typedef std::unique_ptr<SubProcess> SubProcessPtr;
+  std::vector<SubProcessPtr> jobs;
+
+  std::string my_bin = argv[0];
+  std::string bin_dir = my_bin.substr(0, my_bin.rfind('/'));
+
+  std::ostringstream env;
+  bool first = true;
+
+  for (int i = 0; i < 2; i++) {
+    auto port = grpc_pick_unused_port_or_die();
+    std::vector<std::string> args = {bin_dir + "/qps_worker", "-driver_port",
+                                     as_string(port)};
+    jobs.emplace_back(new SubProcess(args));
+    if (!first) env << ",";
+    env << "localhost:" << port;
+    first = false;
+  }
+
+  gpr_setenv("QPS_WORKERS", env.str().c_str());
+  std::vector<std::string> args = {bin_dir + "/qps_json_driver"};
+  for (int i = 1; i < argc; i++) {
+    args.push_back(argv[i]);
+  }
+  SubProcess(args).Join();
+
+  for (auto it = jobs.begin(); it != jobs.end(); ++it) {
+    (*it)->Interrupt();
+  }
+  for (auto it = jobs.begin(); it != jobs.end(); ++it) {
+    (*it)->Join();
+  }
+}
diff --git a/test/cpp/qps/qps_json_driver.cc b/test/cpp/qps/qps_json_driver.cc
new file mode 100644
index 0000000..8943a43
--- /dev/null
+++ b/test/cpp/qps/qps_json_driver.cc
@@ -0,0 +1,127 @@
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <memory>
+#include <set>
+
+#include <google/protobuf/util/json_util.h>
+#include <google/protobuf/util/type_resolver_util.h>
+
+#include <gflags/gflags.h>
+#include <grpc/support/log.h>
+
+#include "test/cpp/qps/driver.h"
+#include "test/cpp/qps/report.h"
+#include "test/cpp/util/benchmark_config.h"
+
+DEFINE_string(scenarios_file, "",
+              "JSON file containing an array of Scenario objects");
+DEFINE_string(scenarios_json, "",
+              "JSON string containing an array of Scenario objects");
+
+namespace grpc {
+namespace testing {
+
+static void QpsDriver() {
+  grpc::string json;
+
+  if (FLAGS_scenarios_file != "") {
+    if (FLAGS_scenarios_json != "") {
+      gpr_log(GPR_ERROR,
+              "Only one of --scenarios_file or --scenarios_json must be set");
+      abort();
+    }
+    // Read the json data from disk
+    FILE *json_file = fopen(FLAGS_scenarios_file.c_str(), "r");
+    GPR_ASSERT(json_file != NULL);
+    fseek(json_file, 0, SEEK_END);
+    long len = ftell(json_file);
+    char *data = new char[len];
+    fseek(json_file, 0, SEEK_SET);
+    GPR_ASSERT(len == (long)fread(data, 1, len, json_file));
+    fclose(json_file);
+    json = grpc::string(data, data + len);
+    delete[] data;
+  } else if (FLAGS_scenarios_json != "") {
+    json = FLAGS_scenarios_json.c_str();
+  } else {
+    gpr_log(GPR_ERROR,
+            "One of --scenarios_file or --scenarios_json must be set");
+    abort();
+  }
+
+  // Parse into an array of scenarios
+  Scenarios scenarios;
+  std::unique_ptr<google::protobuf::util::TypeResolver> type_resolver(
+      google::protobuf::util::NewTypeResolverForDescriptorPool(
+          "type.googleapis.com",
+          google::protobuf::DescriptorPool::generated_pool()));
+  grpc::string binary;
+  auto status = JsonToBinaryString(type_resolver.get(),
+                                   "type.googleapis.com/grpc.testing.Scenarios",
+                                   json, &binary);
+  if (!status.ok()) {
+    grpc::string msg(status.error_message());
+    gpr_log(GPR_ERROR, "Failed to convert json to binary: errcode=%d msg=%s",
+            status.error_code(), msg.c_str());
+    gpr_log(GPR_ERROR, "JSON: ", json.c_str());
+    abort();
+  }
+  GPR_ASSERT(scenarios.ParseFromString(binary));
+
+  for (int i = 0; i < scenarios.scenarios_size(); i++) {
+    const Scenario &scenario = scenarios.scenarios(i);
+    std::cerr << "RUNNING SCENARIO: " << scenario.name() << "\n";
+    const auto result =
+        RunScenario(scenario.client_config(), scenario.num_clients(),
+                    scenario.server_config(), scenario.num_servers(),
+                    scenario.warmup_seconds(), scenario.benchmark_seconds(),
+                    scenario.spawn_local_worker_count());
+
+    GetReporter()->ReportQPS(*result);
+    GetReporter()->ReportQPSPerCore(*result);
+    GetReporter()->ReportLatency(*result);
+    GetReporter()->ReportTimes(*result);
+  }
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+  grpc::testing::InitBenchmark(&argc, &argv, true);
+
+  grpc::testing::QpsDriver();
+
+  return 0;
+}
diff --git a/test/cpp/util/create_test_channel.cc b/test/cpp/util/create_test_channel.cc
index 0cd9f9e..fe8b5d5 100644
--- a/test/cpp/util/create_test_channel.cc
+++ b/test/cpp/util/create_test_channel.cc
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -58,8 +58,9 @@
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots,
-    const std::shared_ptr<CallCredentials>& creds) {
-  ChannelArguments channel_args;
+    const std::shared_ptr<CallCredentials>& creds,
+    const ChannelArguments& args) {
+  ChannelArguments channel_args(args);
   if (enable_ssl) {
     const char* roots_certs = use_prod_roots ? "" : test_root_cert;
     SslCredentialsOptions ssl_opts = {roots_certs, "", ""};
@@ -83,6 +84,14 @@
 
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
+    bool enable_ssl, bool use_prod_roots,
+    const std::shared_ptr<CallCredentials>& creds) {
+  return CreateTestChannel(server, override_hostname, enable_ssl,
+                           use_prod_roots, creds, ChannelArguments());
+}
+
+std::shared_ptr<Channel> CreateTestChannel(
+    const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots) {
   return CreateTestChannel(server, override_hostname, enable_ssl,
                            use_prod_roots, std::shared_ptr<CallCredentials>());
diff --git a/test/cpp/util/create_test_channel.h b/test/cpp/util/create_test_channel.h
index b50d653..4ff666d 100644
--- a/test/cpp/util/create_test_channel.h
+++ b/test/cpp/util/create_test_channel.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2015, Google Inc.
+ * Copyright 2015-2016, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,6 +53,12 @@
     bool enable_ssl, bool use_prod_roots,
     const std::shared_ptr<CallCredentials>& creds);
 
+std::shared_ptr<Channel> CreateTestChannel(
+    const grpc::string& server, const grpc::string& override_hostname,
+    bool enable_ssl, bool use_prod_roots,
+    const std::shared_ptr<CallCredentials>& creds,
+    const ChannelArguments& args);
+
 }  // namespace grpc
 
 #endif  // GRPC_TEST_CPP_UTIL_CREATE_TEST_CHANNEL_H
diff --git a/test/cpp/util/subprocess.cc b/test/cpp/util/subprocess.cc
index c31802b..00c6244 100644
--- a/test/cpp/util/subprocess.cc
+++ b/test/cpp/util/subprocess.cc
@@ -39,15 +39,15 @@
 
 namespace grpc {
 
-static gpr_subprocess *MakeProcess(std::initializer_list<std::string> args) {
-  std::vector<const char *> vargs;
+static gpr_subprocess* MakeProcess(const std::vector<std::string>& args) {
+  std::vector<const char*> vargs;
   for (auto it = args.begin(); it != args.end(); ++it) {
     vargs.push_back(it->c_str());
   }
   return gpr_subprocess_create(vargs.size(), &vargs[0]);
 }
 
-SubProcess::SubProcess(std::initializer_list<std::string> args)
+SubProcess::SubProcess(const std::vector<std::string>& args)
     : subprocess_(MakeProcess(args)) {}
 
 SubProcess::~SubProcess() { gpr_subprocess_destroy(subprocess_); }
diff --git a/test/cpp/util/subprocess.h b/test/cpp/util/subprocess.h
index 8fafe3d..f7b553a 100644
--- a/test/cpp/util/subprocess.h
+++ b/test/cpp/util/subprocess.h
@@ -36,6 +36,7 @@
 
 #include <initializer_list>
 #include <string>
+#include <vector>
 
 struct gpr_subprocess;
 
@@ -43,7 +44,7 @@
 
 class SubProcess {
  public:
-  SubProcess(std::initializer_list<std::string> args);
+  SubProcess(const std::vector<std::string>& args);
   ~SubProcess();
 
   int Join();
diff --git a/tools/buildgen/generate_build_additions.sh b/tools/buildgen/generate_build_additions.sh
index c631713..9a1a7a7 100644
--- a/tools/buildgen/generate_build_additions.sh
+++ b/tools/buildgen/generate_build_additions.sh
@@ -34,7 +34,8 @@
   src/zlib             \
   test/core/bad_client \
   test/core/bad_ssl    \
-  test/core/end2end"
+  test/core/end2end    \
+  test/cpp/qps"
 gen_build_files=""
 for gen_build_yaml in $gen_build_yaml_dirs
 do
@@ -42,4 +43,3 @@
   $gen_build_yaml/gen_build_yaml.py > $output_file
   gen_build_files="$gen_build_files $output_file"
 done
-
diff --git a/tools/buildgen/plugins/expand_filegroups.py b/tools/buildgen/plugins/expand_filegroups.py
index 14cb616..69d95de 100755
--- a/tools/buildgen/plugins/expand_filegroups.py
+++ b/tools/buildgen/plugins/expand_filegroups.py
@@ -42,7 +42,22 @@
   return False
 
 
-FILEGROUP_LISTS = ['src', 'headers', 'public_headers']
+def uniquify(lst):
+  out = []
+  for el in lst:
+    if el not in out:
+      out.append(el)
+  return out
+
+
+FILEGROUP_LISTS = ['src', 'headers', 'public_headers', 'deps']
+
+
+FILEGROUP_DEFAULTS = {
+  'language': 'c',
+  'boringssl': False,
+  'zlib': False,
+}
 
 
 def mako_plugin(dictionary):
@@ -54,10 +69,19 @@
 
   """
   libs = dictionary.get('libs')
+  targets = dictionary.get('targets')
   filegroups_list = dictionary.get('filegroups')
   filegroups = {}
 
-  todo = filegroups_list[:]
+  for fg in filegroups_list:
+    for lst in FILEGROUP_LISTS:
+      fg[lst] = fg.get(lst, [])
+      fg['own_%s' % lst] = list(fg[lst])
+    for attr, val in FILEGROUP_DEFAULTS.iteritems():
+      if attr not in fg:
+        fg[attr] = val
+
+  todo = list(filegroups_list)
   skips = 0
 
   while todo:
@@ -94,11 +118,20 @@
   # the above expansion can introduce duplicate filenames: contract them here
   for fg in filegroups.itervalues():
     for lst in FILEGROUP_LISTS:
-      fg[lst] = sorted(list(set(fg.get(lst, []))))
+      fg[lst] = uniquify(fg.get(lst, []))
 
-  for lib in libs:
+  for tgt in dictionary['targets']:
+    for lst in FILEGROUP_LISTS:
+      tgt[lst] = tgt.get(lst, [])
+      tgt['own_%s' % lst] = list(tgt[lst])
+
+  for lib in libs + targets:
     assert 'plugins' not in lib
     plugins = []
+    for lst in FILEGROUP_LISTS:
+      vals = lib.get(lst, [])
+      lib[lst] = list(vals)
+      lib['own_%s' % lst] = list(vals)
     for fg_name in lib.get('filegroups', []):
       fg = filegroups[fg_name]
       for plugin in fg['plugins']:
@@ -113,4 +146,4 @@
       lib['src'].append('src/core/plugin_registry/%s_plugin_registry.c' %
                         lib['name'])
     for lst in FILEGROUP_LISTS:
-      lib[lst] = sorted(list(set(lib.get(lst, []))))
+      lib[lst] = uniquify(lib.get(lst, []))
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
deleted file mode 100644
index 97dc5ca..0000000
--- a/tools/dockerfile/grpc_interop_stress_cxx/Dockerfile
+++ /dev/null
@@ -1,117 +0,0 @@
-# Copyright 2015, Google Inc.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-FROM debian:jessie
-
-# Install Git and basic packages.
-RUN apt-get update && apt-get install -y \
-  autoconf \
-  autotools-dev \
-  build-essential \
-  bzip2 \
-  ccache \
-  curl \
-  gcc \
-  gcc-multilib \
-  git \
-  golang \
-  gyp \
-  lcov \
-  libc6 \
-  libc6-dbg \
-  libc6-dev \
-  libgtest-dev \
-  libtool \
-  make \
-  perl \
-  strace \
-  python-dev \
-  python-setuptools \
-  python-yaml \
-  telnet \
-  unzip \
-  wget \
-  zip && apt-get clean
-
-#================
-# Build profiling
-RUN apt-get update && apt-get install -y time && apt-get clean
-
-# Prepare ccache
-RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
-RUN ln -s /usr/bin/ccache /usr/local/bin/g++
-RUN ln -s /usr/bin/ccache /usr/local/bin/cc
-RUN ln -s /usr/bin/ccache /usr/local/bin/c++
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
-
-#=================
-# C++ dependencies
-RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
-
-# Google Cloud platform API libraries
-RUN apt-get update && apt-get install -y python-pip && apt-get clean
-RUN pip install --upgrade google-api-python-client
-
-
-#=================
-# Update clang to a version with improved tsan and fuzzing capabilities
-
-RUN apt-get update && apt-get -y install python cmake && apt-get clean
-
-RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
-  cd llvm && git checkout ad57503 && cd ..
-RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
-  cd clang && git checkout ad2c56e && cd ..
-RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
-  cd compiler-rt && git checkout 3176922 && cd ..
-RUN git clone -n -b release_38 \
-  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
-  git checkout c288525 && cd ..
-RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
-  cd libcxx && git checkout fda3549  && cd ..
-RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
-  cd libcxxabi && git checkout 8d4e51d && cd ..
-
-RUN mv clang llvm/tools
-RUN mv compiler-rt llvm/projects
-RUN mv clang-tools-extra llvm/tools/clang/tools
-RUN mv libcxx llvm/projects
-RUN mv libcxxabi llvm/projects
-
-RUN mkdir llvm-build
-RUN cd llvm-build && cmake \
-  -DCMAKE_BUILD_TYPE:STRING=Release \
-  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
-  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
-  ../llvm
-RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
-
-# Define the default command.
-CMD ["bash"]
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile
new file mode 100644
index 0000000..556a26e
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/Dockerfile
@@ -0,0 +1,117 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+#=================
+# Update clang to a version with improved tsan and fuzzing capabilities
+
+RUN apt-get update && apt-get -y install python cmake && apt-get clean
+
+RUN git clone -n -b release_38 http://llvm.org/git/llvm.git && \
+  cd llvm && git checkout ad57503 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/clang.git && \
+  cd clang && git checkout ad2c56e && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/compiler-rt.git && \
+  cd compiler-rt && git checkout 3176922 && cd ..
+RUN git clone -n -b release_38 \
+  http://llvm.org/git/clang-tools-extra.git && cd clang-tools-extra && \
+  git checkout c288525 && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxx.git && \
+  cd libcxx && git checkout fda3549  && cd ..
+RUN git clone -n -b release_38 http://llvm.org/git/libcxxabi.git && \
+  cd libcxxabi && git checkout 8d4e51d && cd ..
+
+RUN mv clang llvm/tools
+RUN mv compiler-rt llvm/projects
+RUN mv clang-tools-extra llvm/tools/clang/tools
+RUN mv libcxx llvm/projects
+RUN mv libcxxabi llvm/projects
+
+RUN mkdir llvm-build
+RUN cd llvm-build && cmake \
+  -DCMAKE_BUILD_TYPE:STRING=Release \
+  -DCMAKE_INSTALL_PREFIX:STRING=/usr \
+  -DLLVM_TARGETS_TO_BUILD:STRING=X86 \
+  ../llvm
+RUN make -C llvm-build -j 12 && make -C llvm-build install && rm -rf llvm-build
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
similarity index 100%
rename from tools/dockerfile/grpc_interop_stress_cxx/build_interop_stress.sh
rename to tools/dockerfile/stress_test/grpc_interop_stress_cxx/build_interop_stress.sh
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile b/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
new file mode 100644
index 0000000..f70add4
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_node/Dockerfile
@@ -0,0 +1,95 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#==================
+# Node dependencies
+
+# Install nvm
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
+
+# Google Cloud platform API libraries
+RUN apt-get update && apt-get install -y python-pip && apt-get clean
+RUN pip install --upgrade google-api-python-client
+
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh b/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh
new file mode 100755
index 0000000..b99fd44
--- /dev/null
+++ b/tools/dockerfile/stress_test/grpc_interop_stress_node/build_interop_stress.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds Node interop server and client in a base image.
+set -e
+
+mkdir -p /var/local/git
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+cd /var/local/git/grpc
+nvm use 0.12
+nvm alias default 0.12  # prevent the need to run 'nvm use' in every shell
+
+# build Node interop client & server
+npm install -g node-gyp
+npm install --unsafe-perm --build-from-source
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index fe7962b..8d0c6e6 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -770,37 +770,6 @@
 include/grpc++/grpc++.h \
 include/grpc++/impl/call.h \
 include/grpc++/impl/client_unary_call.h \
-include/grpc++/impl/codegen/async_stream.h \
-include/grpc++/impl/codegen/async_unary_call.h \
-include/grpc++/impl/codegen/call.h \
-include/grpc++/impl/codegen/call_hook.h \
-include/grpc++/impl/codegen/channel_interface.h \
-include/grpc++/impl/codegen/client_context.h \
-include/grpc++/impl/codegen/client_unary_call.h \
-include/grpc++/impl/codegen/completion_queue.h \
-include/grpc++/impl/codegen/completion_queue_tag.h \
-include/grpc++/impl/codegen/config.h \
-include/grpc++/impl/codegen/config_protobuf.h \
-include/grpc++/impl/codegen/core_codegen_interface.h \
-include/grpc++/impl/codegen/grpc_library.h \
-include/grpc++/impl/codegen/method_handler_impl.h \
-include/grpc++/impl/codegen/proto_utils.h \
-include/grpc++/impl/codegen/rpc_method.h \
-include/grpc++/impl/codegen/rpc_service_method.h \
-include/grpc++/impl/codegen/security/auth_context.h \
-include/grpc++/impl/codegen/serialization_traits.h \
-include/grpc++/impl/codegen/server_context.h \
-include/grpc++/impl/codegen/server_interface.h \
-include/grpc++/impl/codegen/service_type.h \
-include/grpc++/impl/codegen/status.h \
-include/grpc++/impl/codegen/status_code_enum.h \
-include/grpc++/impl/codegen/string_ref.h \
-include/grpc++/impl/codegen/stub_options.h \
-include/grpc++/impl/codegen/sync.h \
-include/grpc++/impl/codegen/sync_cxx11.h \
-include/grpc++/impl/codegen/sync_no_cxx11.h \
-include/grpc++/impl/codegen/sync_stream.h \
-include/grpc++/impl/codegen/time.h \
 include/grpc++/impl/grpc_library.h \
 include/grpc++/impl/method_handler_impl.h \
 include/grpc++/impl/proto_utils.h \
@@ -826,15 +795,66 @@
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
 include/grpc++/support/channel_arguments.h \
-include/grpc++/support/config.h \
-include/grpc++/support/config_protobuf.h \
 include/grpc++/support/slice.h \
 include/grpc++/support/status.h \
 include/grpc++/support/status_code_enum.h \
 include/grpc++/support/string_ref.h \
 include/grpc++/support/stub_options.h \
 include/grpc++/support/sync_stream.h \
-include/grpc++/support/time.h
+include/grpc++/support/time.h \
+include/grpc++/impl/codegen/async_stream.h \
+include/grpc++/impl/codegen/async_unary_call.h \
+include/grpc++/impl/codegen/call.h \
+include/grpc++/impl/codegen/call_hook.h \
+include/grpc++/impl/codegen/channel_interface.h \
+include/grpc++/impl/codegen/client_context.h \
+include/grpc++/impl/codegen/client_unary_call.h \
+include/grpc++/impl/codegen/completion_queue.h \
+include/grpc++/impl/codegen/completion_queue_tag.h \
+include/grpc++/impl/codegen/core_codegen_interface.h \
+include/grpc++/impl/codegen/grpc_library.h \
+include/grpc++/impl/codegen/method_handler_impl.h \
+include/grpc++/impl/codegen/proto_utils.h \
+include/grpc++/impl/codegen/rpc_method.h \
+include/grpc++/impl/codegen/rpc_service_method.h \
+include/grpc++/impl/codegen/security/auth_context.h \
+include/grpc++/impl/codegen/serialization_traits.h \
+include/grpc++/impl/codegen/server_context.h \
+include/grpc++/impl/codegen/server_interface.h \
+include/grpc++/impl/codegen/service_type.h \
+include/grpc++/impl/codegen/status.h \
+include/grpc++/impl/codegen/status_code_enum.h \
+include/grpc++/impl/codegen/string_ref.h \
+include/grpc++/impl/codegen/stub_options.h \
+include/grpc++/impl/codegen/sync.h \
+include/grpc++/impl/codegen/sync_cxx11.h \
+include/grpc++/impl/codegen/sync_no_cxx11.h \
+include/grpc++/impl/codegen/sync_stream.h \
+include/grpc++/impl/codegen/time.h \
+include/grpc/impl/codegen/byte_buffer.h \
+include/grpc/impl/codegen/compression_types.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/grpc_types.h \
+include/grpc/impl/codegen/propagation_bits.h \
+include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/support/config.h \
+include/grpc++/support/config_protobuf.h
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index 30bf7bf..01bafbb 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -770,37 +770,6 @@
 include/grpc++/grpc++.h \
 include/grpc++/impl/call.h \
 include/grpc++/impl/client_unary_call.h \
-include/grpc++/impl/codegen/async_stream.h \
-include/grpc++/impl/codegen/async_unary_call.h \
-include/grpc++/impl/codegen/call.h \
-include/grpc++/impl/codegen/call_hook.h \
-include/grpc++/impl/codegen/channel_interface.h \
-include/grpc++/impl/codegen/client_context.h \
-include/grpc++/impl/codegen/client_unary_call.h \
-include/grpc++/impl/codegen/completion_queue.h \
-include/grpc++/impl/codegen/completion_queue_tag.h \
-include/grpc++/impl/codegen/config.h \
-include/grpc++/impl/codegen/config_protobuf.h \
-include/grpc++/impl/codegen/core_codegen_interface.h \
-include/grpc++/impl/codegen/grpc_library.h \
-include/grpc++/impl/codegen/method_handler_impl.h \
-include/grpc++/impl/codegen/proto_utils.h \
-include/grpc++/impl/codegen/rpc_method.h \
-include/grpc++/impl/codegen/rpc_service_method.h \
-include/grpc++/impl/codegen/security/auth_context.h \
-include/grpc++/impl/codegen/serialization_traits.h \
-include/grpc++/impl/codegen/server_context.h \
-include/grpc++/impl/codegen/server_interface.h \
-include/grpc++/impl/codegen/service_type.h \
-include/grpc++/impl/codegen/status.h \
-include/grpc++/impl/codegen/status_code_enum.h \
-include/grpc++/impl/codegen/string_ref.h \
-include/grpc++/impl/codegen/stub_options.h \
-include/grpc++/impl/codegen/sync.h \
-include/grpc++/impl/codegen/sync_cxx11.h \
-include/grpc++/impl/codegen/sync_no_cxx11.h \
-include/grpc++/impl/codegen/sync_stream.h \
-include/grpc++/impl/codegen/time.h \
 include/grpc++/impl/grpc_library.h \
 include/grpc++/impl/method_handler_impl.h \
 include/grpc++/impl/proto_utils.h \
@@ -826,8 +795,6 @@
 include/grpc++/support/async_unary_call.h \
 include/grpc++/support/byte_buffer.h \
 include/grpc++/support/channel_arguments.h \
-include/grpc++/support/config.h \
-include/grpc++/support/config_protobuf.h \
 include/grpc++/support/slice.h \
 include/grpc++/support/status.h \
 include/grpc++/support/status_code_enum.h \
@@ -835,14 +802,73 @@
 include/grpc++/support/stub_options.h \
 include/grpc++/support/sync_stream.h \
 include/grpc++/support/time.h \
-src/cpp/client/create_channel_internal.h \
+include/grpc++/impl/codegen/async_stream.h \
+include/grpc++/impl/codegen/async_unary_call.h \
+include/grpc++/impl/codegen/call.h \
+include/grpc++/impl/codegen/call_hook.h \
+include/grpc++/impl/codegen/channel_interface.h \
+include/grpc++/impl/codegen/client_context.h \
+include/grpc++/impl/codegen/client_unary_call.h \
+include/grpc++/impl/codegen/completion_queue.h \
+include/grpc++/impl/codegen/completion_queue_tag.h \
+include/grpc++/impl/codegen/core_codegen_interface.h \
+include/grpc++/impl/codegen/grpc_library.h \
+include/grpc++/impl/codegen/method_handler_impl.h \
+include/grpc++/impl/codegen/proto_utils.h \
+include/grpc++/impl/codegen/rpc_method.h \
+include/grpc++/impl/codegen/rpc_service_method.h \
+include/grpc++/impl/codegen/security/auth_context.h \
+include/grpc++/impl/codegen/serialization_traits.h \
+include/grpc++/impl/codegen/server_context.h \
+include/grpc++/impl/codegen/server_interface.h \
+include/grpc++/impl/codegen/service_type.h \
+include/grpc++/impl/codegen/status.h \
+include/grpc++/impl/codegen/status_code_enum.h \
+include/grpc++/impl/codegen/string_ref.h \
+include/grpc++/impl/codegen/stub_options.h \
+include/grpc++/impl/codegen/sync.h \
+include/grpc++/impl/codegen/sync_cxx11.h \
+include/grpc++/impl/codegen/sync_no_cxx11.h \
+include/grpc++/impl/codegen/sync_stream.h \
+include/grpc++/impl/codegen/time.h \
+include/grpc/impl/codegen/byte_buffer.h \
+include/grpc/impl/codegen/compression_types.h \
+include/grpc/impl/codegen/connectivity_state.h \
+include/grpc/impl/codegen/grpc_types.h \
+include/grpc/impl/codegen/propagation_bits.h \
+include/grpc/impl/codegen/status.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc++/impl/codegen/config.h \
+include/grpc++/impl/codegen/config_protobuf.h \
+include/grpc++/support/config.h \
+include/grpc++/support/config_protobuf.h \
 src/cpp/client/secure_credentials.h \
 src/cpp/common/core_codegen.h \
-src/cpp/common/create_auth_context.h \
 src/cpp/common/secure_auth_context.h \
-src/cpp/server/dynamic_thread_pool.h \
 src/cpp/server/secure_server_credentials.h \
+src/cpp/client/create_channel_internal.h \
+src/cpp/common/create_auth_context.h \
+src/cpp/server/dynamic_thread_pool.h \
 src/cpp/server/thread_pool_interface.h \
+src/cpp/client/secure_credentials.cc \
+src/cpp/common/auth_property_iterator.cc \
+src/cpp/common/secure_auth_context.cc \
+src/cpp/common/secure_channel_arguments.cc \
+src/cpp/common/secure_create_auth_context.cc \
+src/cpp/server/secure_server_credentials.cc \
 src/cpp/client/channel.cc \
 src/cpp/client/client_context.cc \
 src/cpp/client/create_channel.cc \
@@ -850,21 +876,14 @@
 src/cpp/client/credentials.cc \
 src/cpp/client/generic_stub.cc \
 src/cpp/client/insecure_credentials.cc \
-src/cpp/client/secure_credentials.cc \
-src/cpp/codegen/codegen_init.cc \
-src/cpp/common/auth_property_iterator.cc \
 src/cpp/common/channel_arguments.cc \
 src/cpp/common/completion_queue.cc \
 src/cpp/common/core_codegen.cc \
 src/cpp/common/rpc_method.cc \
-src/cpp/common/secure_auth_context.cc \
-src/cpp/common/secure_channel_arguments.cc \
-src/cpp/common/secure_create_auth_context.cc \
 src/cpp/server/async_generic_service.cc \
 src/cpp/server/create_default_thread_pool.cc \
 src/cpp/server/dynamic_thread_pool.cc \
 src/cpp/server/insecure_server_credentials.cc \
-src/cpp/server/secure_server_credentials.cc \
 src/cpp/server/server.cc \
 src/cpp/server/server_builder.cc \
 src/cpp/server/server_context.cc \
@@ -873,7 +892,8 @@
 src/cpp/util/slice.cc \
 src/cpp/util/status.cc \
 src/cpp/util/string_ref.cc \
-src/cpp/util/time.cc
+src/cpp/util/time.cc \
+src/cpp/codegen/codegen_init.cc
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index 55f4ffe..de6fd0d 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -762,17 +762,15 @@
 
 INPUT                  = include/grpc/byte_buffer.h \
 include/grpc/byte_buffer_reader.h \
-include/grpc/census.h \
 include/grpc/compression.h \
 include/grpc/grpc.h \
-include/grpc/grpc_security.h \
+include/grpc/status.h \
 include/grpc/impl/codegen/byte_buffer.h \
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
-include/grpc/status.h \
 include/grpc/impl/codegen/alloc.h \
 include/grpc/impl/codegen/atm.h \
 include/grpc/impl/codegen/atm_gcc_atomic.h \
@@ -787,6 +785,8 @@
 include/grpc/impl/codegen/sync_posix.h \
 include/grpc/impl/codegen/sync_win32.h \
 include/grpc/impl/codegen/time.h \
+include/grpc/grpc_security.h \
+include/grpc/census.h \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
 include/grpc/support/atm_gcc_atomic.h \
@@ -814,7 +814,21 @@
 include/grpc/support/tls_gcc.h \
 include/grpc/support/tls_msvc.h \
 include/grpc/support/tls_pthread.h \
-include/grpc/support/useful.h
+include/grpc/support/useful.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index c070485..b131a55 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -762,69 +762,39 @@
 
 INPUT                  = include/grpc/byte_buffer.h \
 include/grpc/byte_buffer_reader.h \
-include/grpc/census.h \
 include/grpc/compression.h \
 include/grpc/grpc.h \
-include/grpc/grpc_security.h \
+include/grpc/status.h \
 include/grpc/impl/codegen/byte_buffer.h \
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/propagation_bits.h \
 include/grpc/impl/codegen/status.h \
-include/grpc/status.h \
-src/core/ext/census/aggregation.h \
-src/core/ext/census/census_interface.h \
-src/core/ext/census/census_rpc_stats.h \
-src/core/ext/census/grpc_filter.h \
-src/core/ext/census/mlog.h \
-src/core/ext/census/rpc_metric_id.h \
-src/core/ext/lb_policy/grpclb/load_balancer_api.h \
-src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h \
-src/core/ext/transport/chttp2/transport/alpn.h \
-src/core/ext/transport/chttp2/transport/bin_encoder.h \
-src/core/ext/transport/chttp2/transport/chttp2_transport.h \
-src/core/ext/transport/chttp2/transport/frame.h \
-src/core/ext/transport/chttp2/transport/frame_data.h \
-src/core/ext/transport/chttp2/transport/frame_goaway.h \
-src/core/ext/transport/chttp2/transport/frame_ping.h \
-src/core/ext/transport/chttp2/transport/frame_rst_stream.h \
-src/core/ext/transport/chttp2/transport/frame_settings.h \
-src/core/ext/transport/chttp2/transport/frame_window_update.h \
-src/core/ext/transport/chttp2/transport/hpack_encoder.h \
-src/core/ext/transport/chttp2/transport/hpack_parser.h \
-src/core/ext/transport/chttp2/transport/hpack_table.h \
-src/core/ext/transport/chttp2/transport/http2_errors.h \
-src/core/ext/transport/chttp2/transport/huffsyms.h \
-src/core/ext/transport/chttp2/transport/incoming_metadata.h \
-src/core/ext/transport/chttp2/transport/internal.h \
-src/core/ext/transport/chttp2/transport/status_conversion.h \
-src/core/ext/transport/chttp2/transport/stream_map.h \
-src/core/ext/transport/chttp2/transport/timeout_encoding.h \
-src/core/ext/transport/chttp2/transport/varint.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
+include/grpc/grpc_security.h \
+include/grpc/census.h \
 src/core/lib/channel/channel_args.h \
 src/core/lib/channel/channel_stack.h \
 src/core/lib/channel/channel_stack_builder.h \
-src/core/lib/channel/client_channel.h \
 src/core/lib/channel/compress_filter.h \
 src/core/lib/channel/connected_channel.h \
 src/core/lib/channel/context.h \
 src/core/lib/channel/http_client_filter.h \
 src/core/lib/channel/http_server_filter.h \
-src/core/lib/channel/subchannel_call_holder.h \
-src/core/lib/client_config/client_config.h \
-src/core/lib/client_config/connector.h \
-src/core/lib/client_config/initial_connect_string.h \
-src/core/lib/client_config/lb_policy.h \
-src/core/lib/client_config/lb_policy_factory.h \
-src/core/lib/client_config/lb_policy_registry.h \
-src/core/lib/client_config/resolver.h \
-src/core/lib/client_config/resolver_factory.h \
-src/core/lib/client_config/resolver_registry.h \
-src/core/lib/client_config/subchannel.h \
-src/core/lib/client_config/subchannel_factory.h \
-src/core/lib/client_config/subchannel_index.h \
-src/core/lib/client_config/uri_parser.h \
 src/core/lib/compression/algorithm_metadata.h \
 src/core/lib/compression/message_compress.h \
 src/core/lib/debug/trace.h \
@@ -871,15 +841,6 @@
 src/core/lib/json/json_common.h \
 src/core/lib/json/json_reader.h \
 src/core/lib/json/json_writer.h \
-src/core/lib/security/auth_filters.h \
-src/core/lib/security/b64.h \
-src/core/lib/security/credentials.h \
-src/core/lib/security/handshake.h \
-src/core/lib/security/json_token.h \
-src/core/lib/security/jwt_verifier.h \
-src/core/lib/security/secure_endpoint.h \
-src/core/lib/security/security_connector.h \
-src/core/lib/security/security_context.h \
 src/core/lib/surface/api_trace.h \
 src/core/lib/surface/call.h \
 src/core/lib/surface/call_test_only.h \
@@ -899,84 +860,80 @@
 src/core/lib/transport/static_metadata.h \
 src/core/lib/transport/transport.h \
 src/core/lib/transport/transport_impl.h \
+src/core/ext/transport/chttp2/transport/bin_encoder.h \
+src/core/ext/transport/chttp2/transport/chttp2_transport.h \
+src/core/ext/transport/chttp2/transport/frame.h \
+src/core/ext/transport/chttp2/transport/frame_data.h \
+src/core/ext/transport/chttp2/transport/frame_goaway.h \
+src/core/ext/transport/chttp2/transport/frame_ping.h \
+src/core/ext/transport/chttp2/transport/frame_rst_stream.h \
+src/core/ext/transport/chttp2/transport/frame_settings.h \
+src/core/ext/transport/chttp2/transport/frame_window_update.h \
+src/core/ext/transport/chttp2/transport/hpack_encoder.h \
+src/core/ext/transport/chttp2/transport/hpack_parser.h \
+src/core/ext/transport/chttp2/transport/hpack_table.h \
+src/core/ext/transport/chttp2/transport/http2_errors.h \
+src/core/ext/transport/chttp2/transport/huffsyms.h \
+src/core/ext/transport/chttp2/transport/incoming_metadata.h \
+src/core/ext/transport/chttp2/transport/internal.h \
+src/core/ext/transport/chttp2/transport/status_conversion.h \
+src/core/ext/transport/chttp2/transport/stream_map.h \
+src/core/ext/transport/chttp2/transport/timeout_encoding.h \
+src/core/ext/transport/chttp2/transport/varint.h \
+src/core/ext/transport/chttp2/alpn/alpn.h \
+src/core/lib/security/auth_filters.h \
+src/core/lib/security/b64.h \
+src/core/lib/security/credentials.h \
+src/core/lib/security/handshake.h \
+src/core/lib/security/json_token.h \
+src/core/lib/security/jwt_verifier.h \
+src/core/lib/security/secure_endpoint.h \
+src/core/lib/security/security_connector.h \
+src/core/lib/security/security_context.h \
 src/core/lib/tsi/fake_transport_security.h \
 src/core/lib/tsi/ssl_transport_security.h \
 src/core/lib/tsi/ssl_types.h \
 src/core/lib/tsi/transport_security.h \
 src/core/lib/tsi/transport_security_interface.h \
+src/core/ext/client_config/client_channel.h \
+src/core/ext/client_config/client_channel_factory.h \
+src/core/ext/client_config/client_config.h \
+src/core/ext/client_config/connector.h \
+src/core/ext/client_config/initial_connect_string.h \
+src/core/ext/client_config/lb_policy.h \
+src/core/ext/client_config/lb_policy_factory.h \
+src/core/ext/client_config/lb_policy_registry.h \
+src/core/ext/client_config/resolver.h \
+src/core/ext/client_config/resolver_factory.h \
+src/core/ext/client_config/resolver_registry.h \
+src/core/ext/client_config/subchannel.h \
+src/core/ext/client_config/subchannel_call_holder.h \
+src/core/ext/client_config/subchannel_index.h \
+src/core/ext/client_config/uri_parser.h \
+src/core/ext/lb_policy/grpclb/load_balancer_api.h \
+src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h \
 third_party/nanopb/pb.h \
 third_party/nanopb/pb_common.h \
 third_party/nanopb/pb_decode.h \
 third_party/nanopb/pb_encode.h \
-src/core/ext/census/context.c \
-src/core/ext/census/grpc_context.c \
-src/core/ext/census/grpc_filter.c \
-src/core/ext/census/grpc_plugin.c \
-src/core/ext/census/initialize.c \
-src/core/ext/census/mlog.c \
-src/core/ext/census/operation.c \
-src/core/ext/census/placeholders.c \
-src/core/ext/census/tracing.c \
-src/core/ext/lb_policy/grpclb/load_balancer_api.c \
-src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
-src/core/ext/lb_policy/pick_first/pick_first.c \
-src/core/ext/lb_policy/round_robin/round_robin.c \
-src/core/ext/resolver/dns/native/dns_resolver.c \
-src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
-src/core/ext/transport/chttp2/client/insecure/channel_create.c \
-src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
-src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
-src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
-src/core/ext/transport/chttp2/transport/alpn.c \
-src/core/ext/transport/chttp2/transport/bin_encoder.c \
-src/core/ext/transport/chttp2/transport/chttp2_transport.c \
-src/core/ext/transport/chttp2/transport/frame_data.c \
-src/core/ext/transport/chttp2/transport/frame_goaway.c \
-src/core/ext/transport/chttp2/transport/frame_ping.c \
-src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
-src/core/ext/transport/chttp2/transport/frame_settings.c \
-src/core/ext/transport/chttp2/transport/frame_window_update.c \
-src/core/ext/transport/chttp2/transport/hpack_encoder.c \
-src/core/ext/transport/chttp2/transport/hpack_parser.c \
-src/core/ext/transport/chttp2/transport/hpack_table.c \
-src/core/ext/transport/chttp2/transport/huffsyms.c \
-src/core/ext/transport/chttp2/transport/incoming_metadata.c \
-src/core/ext/transport/chttp2/transport/parsing.c \
-src/core/ext/transport/chttp2/transport/status_conversion.c \
-src/core/ext/transport/chttp2/transport/stream_lists.c \
-src/core/ext/transport/chttp2/transport/stream_map.c \
-src/core/ext/transport/chttp2/transport/timeout_encoding.c \
-src/core/ext/transport/chttp2/transport/varint.c \
-src/core/ext/transport/chttp2/transport/writing.c \
+src/core/ext/census/aggregation.h \
+src/core/ext/census/census_interface.h \
+src/core/ext/census/census_rpc_stats.h \
+src/core/ext/census/grpc_filter.h \
+src/core/ext/census/mlog.h \
+src/core/ext/census/rpc_metric_id.h \
 src/core/lib/channel/channel_args.c \
 src/core/lib/channel/channel_stack.c \
 src/core/lib/channel/channel_stack_builder.c \
-src/core/lib/channel/client_channel.c \
 src/core/lib/channel/compress_filter.c \
 src/core/lib/channel/connected_channel.c \
 src/core/lib/channel/http_client_filter.c \
 src/core/lib/channel/http_server_filter.c \
-src/core/lib/channel/subchannel_call_holder.c \
-src/core/lib/client_config/client_config.c \
-src/core/lib/client_config/connector.c \
-src/core/lib/client_config/default_initial_connect_string.c \
-src/core/lib/client_config/initial_connect_string.c \
-src/core/lib/client_config/lb_policy.c \
-src/core/lib/client_config/lb_policy_factory.c \
-src/core/lib/client_config/lb_policy_registry.c \
-src/core/lib/client_config/resolver.c \
-src/core/lib/client_config/resolver_factory.c \
-src/core/lib/client_config/resolver_registry.c \
-src/core/lib/client_config/subchannel.c \
-src/core/lib/client_config/subchannel_factory.c \
-src/core/lib/client_config/subchannel_index.c \
-src/core/lib/client_config/uri_parser.c \
 src/core/lib/compression/compression_algorithm.c \
 src/core/lib/compression/message_compress.c \
 src/core/lib/debug/trace.c \
 src/core/lib/http/format_request.c \
 src/core/lib/http/httpcli.c \
-src/core/lib/http/httpcli_security_connector.c \
 src/core/lib/http/parser.c \
 src/core/lib/iomgr/closure.c \
 src/core/lib/iomgr/endpoint.c \
@@ -1021,6 +978,56 @@
 src/core/lib/json/json_reader.c \
 src/core/lib/json/json_string.c \
 src/core/lib/json/json_writer.c \
+src/core/lib/surface/alarm.c \
+src/core/lib/surface/api_trace.c \
+src/core/lib/surface/byte_buffer.c \
+src/core/lib/surface/byte_buffer_reader.c \
+src/core/lib/surface/call.c \
+src/core/lib/surface/call_details.c \
+src/core/lib/surface/call_log_batch.c \
+src/core/lib/surface/channel.c \
+src/core/lib/surface/channel_init.c \
+src/core/lib/surface/channel_ping.c \
+src/core/lib/surface/channel_stack_type.c \
+src/core/lib/surface/completion_queue.c \
+src/core/lib/surface/event_string.c \
+src/core/lib/surface/init.c \
+src/core/lib/surface/lame_client.c \
+src/core/lib/surface/metadata_array.c \
+src/core/lib/surface/server.c \
+src/core/lib/surface/validate_metadata.c \
+src/core/lib/surface/version.c \
+src/core/lib/transport/byte_stream.c \
+src/core/lib/transport/connectivity_state.c \
+src/core/lib/transport/metadata.c \
+src/core/lib/transport/metadata_batch.c \
+src/core/lib/transport/static_metadata.c \
+src/core/lib/transport/transport.c \
+src/core/lib/transport/transport_op_string.c \
+src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c \
+src/core/ext/transport/chttp2/transport/bin_encoder.c \
+src/core/ext/transport/chttp2/transport/chttp2_plugin.c \
+src/core/ext/transport/chttp2/transport/chttp2_transport.c \
+src/core/ext/transport/chttp2/transport/frame_data.c \
+src/core/ext/transport/chttp2/transport/frame_goaway.c \
+src/core/ext/transport/chttp2/transport/frame_ping.c \
+src/core/ext/transport/chttp2/transport/frame_rst_stream.c \
+src/core/ext/transport/chttp2/transport/frame_settings.c \
+src/core/ext/transport/chttp2/transport/frame_window_update.c \
+src/core/ext/transport/chttp2/transport/hpack_encoder.c \
+src/core/ext/transport/chttp2/transport/hpack_parser.c \
+src/core/ext/transport/chttp2/transport/hpack_table.c \
+src/core/ext/transport/chttp2/transport/huffsyms.c \
+src/core/ext/transport/chttp2/transport/incoming_metadata.c \
+src/core/ext/transport/chttp2/transport/parsing.c \
+src/core/ext/transport/chttp2/transport/status_conversion.c \
+src/core/ext/transport/chttp2/transport/stream_lists.c \
+src/core/ext/transport/chttp2/transport/stream_map.c \
+src/core/ext/transport/chttp2/transport/timeout_encoding.c \
+src/core/ext/transport/chttp2/transport/varint.c \
+src/core/ext/transport/chttp2/transport/writing.c \
+src/core/ext/transport/chttp2/alpn/alpn.c \
+src/core/lib/http/httpcli_security_connector.c \
 src/core/lib/security/b64.c \
 src/core/lib/security/client_auth_filter.c \
 src/core/lib/security/credentials.c \
@@ -1035,55 +1042,50 @@
 src/core/lib/security/security_connector.c \
 src/core/lib/security/security_context.c \
 src/core/lib/security/server_auth_filter.c \
-src/core/lib/surface/alarm.c \
-src/core/lib/surface/api_trace.c \
-src/core/lib/surface/byte_buffer.c \
-src/core/lib/surface/byte_buffer_reader.c \
-src/core/lib/surface/call.c \
-src/core/lib/surface/call_details.c \
-src/core/lib/surface/call_log_batch.c \
-src/core/lib/surface/channel.c \
-src/core/lib/surface/channel_connectivity.c \
-src/core/lib/surface/channel_init.c \
-src/core/lib/surface/channel_ping.c \
-src/core/lib/surface/channel_stack_type.c \
-src/core/lib/surface/completion_queue.c \
-src/core/lib/surface/event_string.c \
-src/core/lib/surface/init.c \
 src/core/lib/surface/init_secure.c \
-src/core/lib/surface/lame_client.c \
-src/core/lib/surface/metadata_array.c \
-src/core/lib/surface/server.c \
-src/core/lib/surface/validate_metadata.c \
-src/core/lib/surface/version.c \
-src/core/lib/transport/byte_stream.c \
-src/core/lib/transport/connectivity_state.c \
-src/core/lib/transport/metadata.c \
-src/core/lib/transport/metadata_batch.c \
-src/core/lib/transport/static_metadata.c \
-src/core/lib/transport/transport.c \
-src/core/lib/transport/transport_op_string.c \
 src/core/lib/tsi/fake_transport_security.c \
 src/core/lib/tsi/ssl_transport_security.c \
 src/core/lib/tsi/transport_security.c \
-src/core/plugin_registry/grpc_plugin_registry.c \
+src/core/ext/transport/chttp2/client/secure/secure_channel_create.c \
+src/core/ext/client_config/channel_connectivity.c \
+src/core/ext/client_config/client_channel.c \
+src/core/ext/client_config/client_channel_factory.c \
+src/core/ext/client_config/client_config.c \
+src/core/ext/client_config/client_config_plugin.c \
+src/core/ext/client_config/connector.c \
+src/core/ext/client_config/default_initial_connect_string.c \
+src/core/ext/client_config/initial_connect_string.c \
+src/core/ext/client_config/lb_policy.c \
+src/core/ext/client_config/lb_policy_factory.c \
+src/core/ext/client_config/lb_policy_registry.c \
+src/core/ext/client_config/resolver.c \
+src/core/ext/client_config/resolver_factory.c \
+src/core/ext/client_config/resolver_registry.c \
+src/core/ext/client_config/subchannel.c \
+src/core/ext/client_config/subchannel_call_holder.c \
+src/core/ext/client_config/subchannel_index.c \
+src/core/ext/client_config/uri_parser.c \
+src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
+src/core/ext/transport/chttp2/client/insecure/channel_create.c \
+src/core/ext/lb_policy/grpclb/load_balancer_api.c \
+src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c \
 third_party/nanopb/pb_common.c \
 third_party/nanopb/pb_decode.c \
 third_party/nanopb/pb_encode.c \
-include/grpc/impl/codegen/alloc.h \
-include/grpc/impl/codegen/atm.h \
-include/grpc/impl/codegen/atm_gcc_atomic.h \
-include/grpc/impl/codegen/atm_gcc_sync.h \
-include/grpc/impl/codegen/atm_win32.h \
-include/grpc/impl/codegen/log.h \
-include/grpc/impl/codegen/port_platform.h \
-include/grpc/impl/codegen/slice.h \
-include/grpc/impl/codegen/slice_buffer.h \
-include/grpc/impl/codegen/sync.h \
-include/grpc/impl/codegen/sync_generic.h \
-include/grpc/impl/codegen/sync_posix.h \
-include/grpc/impl/codegen/sync_win32.h \
-include/grpc/impl/codegen/time.h \
+src/core/ext/lb_policy/pick_first/pick_first.c \
+src/core/ext/lb_policy/round_robin/round_robin.c \
+src/core/ext/resolver/dns/native/dns_resolver.c \
+src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
+src/core/ext/census/context.c \
+src/core/ext/census/grpc_context.c \
+src/core/ext/census/grpc_filter.c \
+src/core/ext/census/grpc_plugin.c \
+src/core/ext/census/initialize.c \
+src/core/ext/census/mlog.c \
+src/core/ext/census/operation.c \
+src/core/ext/census/placeholders.c \
+src/core/ext/census/tracing.c \
+src/core/plugin_registry/grpc_plugin_registry.c \
 include/grpc/support/alloc.h \
 include/grpc/support/atm.h \
 include/grpc/support/atm_gcc_atomic.h \
@@ -1112,6 +1114,20 @@
 include/grpc/support/tls_msvc.h \
 include/grpc/support/tls_pthread.h \
 include/grpc/support/useful.h \
+include/grpc/impl/codegen/alloc.h \
+include/grpc/impl/codegen/atm.h \
+include/grpc/impl/codegen/atm_gcc_atomic.h \
+include/grpc/impl/codegen/atm_gcc_sync.h \
+include/grpc/impl/codegen/atm_win32.h \
+include/grpc/impl/codegen/log.h \
+include/grpc/impl/codegen/port_platform.h \
+include/grpc/impl/codegen/slice.h \
+include/grpc/impl/codegen/slice_buffer.h \
+include/grpc/impl/codegen/sync.h \
+include/grpc/impl/codegen/sync_generic.h \
+include/grpc/impl/codegen/sync_posix.h \
+include/grpc/impl/codegen/sync_win32.h \
+include/grpc/impl/codegen/time.h \
 src/core/lib/profiling/timers.h \
 src/core/lib/support/backoff.h \
 src/core/lib/support/block_annotate.h \
diff --git a/tools/fuzzer/build_and_run_fuzzer.sh b/tools/fuzzer/build_and_run_fuzzer.sh
index bbe6888..7139097 100755
--- a/tools/fuzzer/build_and_run_fuzzer.sh
+++ b/tools/fuzzer/build_and_run_fuzzer.sh
@@ -34,4 +34,5 @@
 cd $(dirname $0)/../..
 make CONFIG=$config $1 -j3
 mkdir -p fuzzer_output
+export ASAN_OPTIONS=handle_abort=1
 . tools/fuzzer/runners/$1.sh
diff --git a/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
index a91cf6d..0d55a7d 100644
--- a/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
+++ b/tools/fuzzer/runners/hpack_parser_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3"
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=512"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/http_fuzzer_test.sh b/tools/fuzzer/runners/http_fuzzer_test.sh
index 47adad0..0379efc 100644
--- a/tools/fuzzer/runners/http_fuzzer_test.sh
+++ b/tools/fuzzer/runners/http_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3"
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=2048"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/json_fuzzer_test.sh b/tools/fuzzer/runners/json_fuzzer_test.sh
index 9c5cba3..45a4493 100644
--- a/tools/fuzzer/runners/json_fuzzer_test.sh
+++ b/tools/fuzzer/runners/json_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3"
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=512"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh b/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh
new file mode 100644
index 0000000..268d6de
--- /dev/null
+++ b/tools/fuzzer/runners/nanopb_fuzzer_response_test.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=128"
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/nanopb_fuzzer_response_test $flags fuzzer_output test/core/nanopb/corpus_response
diff --git a/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh b/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh
new file mode 100644
index 0000000..be14e4d
--- /dev/null
+++ b/tools/fuzzer/runners/nanopb_fuzzer_serverlist_test.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=128"
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/nanopb_fuzzer_serverlist_test $flags fuzzer_output test/core/nanopb/corpus_serverlist
diff --git a/tools/fuzzer/runners/server_fuzzer.sh b/tools/fuzzer/runners/server_fuzzer.sh
new file mode 100644
index 0000000..3c4eb07
--- /dev/null
+++ b/tools/fuzzer/runners/server_fuzzer.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=2048"
+if [ "$config" == "asan-trace-cmp" ]
+then
+  flags="-use_traces=1 $flags"
+fi
+
+bins/$config/server_fuzzer $flags fuzzer_output test/core/end2end/fuzzers/server_fuzzer_corpus
diff --git a/tools/fuzzer/runners/uri_fuzzer_test.sh b/tools/fuzzer/runners/uri_fuzzer_test.sh
index 58f20d0..33a389a 100644
--- a/tools/fuzzer/runners/uri_fuzzer_test.sh
+++ b/tools/fuzzer/runners/uri_fuzzer_test.sh
@@ -29,7 +29,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-flags="-max_total_time=3600 -jobs=3 -workers=3"
+flags="-max_total_time=$runtime -jobs=3 -workers=3 -artifact_prefix=fuzzer_output/ -max_len=128"
 if [ "$config" == "asan-trace-cmp" ]
 then
   flags="-use_traces=1 $flags"
diff --git a/tools/gce/create_interop_worker.sh b/tools/gce/create_interop_worker.sh
index 3c49c61..9170d82 100755
--- a/tools/gce/create_interop_worker.sh
+++ b/tools/gce/create_interop_worker.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/gcp/stress_test/run_client.py b/tools/gcp/stress_test/run_client.py
index e6b28d5..9a4bc8a 100755
--- a/tools/gcp/stress_test/run_client.py
+++ b/tools/gcp/stress_test/run_client.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -91,9 +91,9 @@
   """
   env = dict(os.environ)
   image_type = env['STRESS_TEST_IMAGE_TYPE']
-  image_name = env['STRESS_TEST_IMAGE']
+  stress_client_cmd = env['STRESS_TEST_CMD'].split()
   args_str = env['STRESS_TEST_ARGS_STR']
-  metrics_client_image = env['METRICS_CLIENT_IMAGE']
+  metrics_client_cmd = env['METRICS_CLIENT_CMD'].split()
   metrics_client_args_str = env['METRICS_CLIENT_ARGS_STR']
   run_id = env['RUN_ID']
   pod_name = env['POD_NAME']
@@ -125,9 +125,8 @@
   # Update status that the test is starting (in the status table)
   bq_helper.insert_summary_row(EventType.STARTING, details)
 
-  metrics_cmd = [metrics_client_image
-                ] + [x for x in metrics_client_args_str.split()]
-  stress_cmd = [image_name] + [x for x in args_str.split()]
+  metrics_cmd = metrics_client_cmd + [x for x in metrics_client_args_str.split()]
+  stress_cmd = stress_client_cmd + [x for x in args_str.split()]
 
   print 'Launching process %s ...' % stress_cmd
   stress_p = subprocess.Popen(args=stress_cmd,
diff --git a/tools/gcp/stress_test/run_node.sh b/tools/gcp/stress_test/run_node.sh
new file mode 100755
index 0000000..4a4da6f
--- /dev/null
+++ b/tools/gcp/stress_test/run_node.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This is a wrapper script that was created to help run_server.py and
+# run_client.py to launch 'node js' stress clients and stress servers
+source ~/.nvm/nvm.sh
+
+set -ex
+
+$@
diff --git a/tools/gcp/stress_test/run_server.py b/tools/gcp/stress_test/run_server.py
index dc4741b..0d9a653 100755
--- a/tools/gcp/stress_test/run_server.py
+++ b/tools/gcp/stress_test/run_server.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -62,7 +62,7 @@
 
   run_id = env['RUN_ID']  # The unique run id for this test
   image_type = env['STRESS_TEST_IMAGE_TYPE']
-  image_name = env['STRESS_TEST_IMAGE']
+  stress_server_cmd = env['STRESS_TEST_CMD'].split()
   args_str = env['STRESS_TEST_ARGS_STR']
   pod_name = env['POD_NAME']
   project_id = env['GCP_PROJECT_ID']
@@ -98,7 +98,7 @@
   # Update status that the test is starting (in the status table)
   bq_helper.insert_summary_row(EventType.STARTING, details)
 
-  stress_cmd = [image_name] + [x for x in args_str.split()]
+  stress_cmd = stress_server_cmd + [x for x in args_str.split()]
 
   print 'Launching process %s ...' % stress_cmd
   stress_p = subprocess.Popen(args=stress_cmd,
diff --git a/tools/gcp/stress_test/stress_test_utils.py b/tools/gcp/stress_test/stress_test_utils.py
index 79d9dea..6c7fe44 100755
--- a/tools/gcp/stress_test/stress_test_utils.py
+++ b/tools/gcp/stress_test/stress_test_utils.py
@@ -107,12 +107,22 @@
     query = ('SELECT event_type FROM %s.%s WHERE run_id = \'%s\' AND '
              'event_type="%s"') % (self.dataset_id, self.summary_table_id,
                                    self.run_id, EventType.FAILURE)
-    query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
-    page = self.bq.jobs().getQueryResults(**query_job['jobReference']).execute(
-        num_retries=num_query_retries)
-    num_failures = int(page['totalRows'])
-    print 'num rows: ', num_failures
-    return num_failures > 0
+    try:
+      query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
+      page = self.bq.jobs().getQueryResults(
+          **query_job['jobReference']).execute(num_retries=num_query_retries)
+      num_failures = int(page['totalRows'])
+      print 'num rows: ', num_failures
+      return num_failures > 0
+    # TODO (sreek): Cleanup the following lines once we have a better idea of
+    # why we sometimes get KeyError exceptions in long running test cases
+    except KeyError:
+      print 'KeyError in check_if_any_tests_failed()'
+      print 'Query:', query
+      print 'Query result page:', page
+    except:
+      print 'Exception in check_if_any_tests_failed(). Info: ', sys.exc_info()
+      print 'Query: ', query
 
   def print_summary_records(self, num_query_retries=3):
     line = '-' * 120
@@ -126,8 +136,9 @@
                  self.dataset_id, self.summary_table_id, self.run_id)
     query_job = bq_utils.sync_query_job(self.bq, self.project_id, query)
 
-    print '{:<25} {:<12} {:<12} {:<30} {}'.format(
-        'Pod name', 'Image type', 'Event type', 'Date', 'Details')
+    print '{:<25} {:<12} {:<12} {:<30} {}'.format('Pod name', 'Image type',
+                                                  'Event type', 'Date',
+                                                  'Details')
     print line
     page_token = None
     while True:
@@ -136,9 +147,11 @@
           **query_job['jobReference']).execute(num_retries=num_query_retries)
       rows = page.get('rows', [])
       for row in rows:
-        print '{:<25} {:<12} {:<12} {:<30} {}'.format(
-            row['f'][0]['v'], row['f'][1]['v'], row['f'][2]['v'],
-            row['f'][3]['v'], row['f'][4]['v'])
+        print '{:<25} {:<12} {:<12} {:<30} {}'.format(row['f'][0]['v'],
+                                                      row['f'][1]['v'],
+                                                      row['f'][2]['v'],
+                                                      row['f'][3]['v'],
+                                                      row['f'][4]['v'])
       page_token = page.get('pageToken')
       if not page_token:
         break
diff --git a/tools/gource/gource.sh b/tools/gource/gource.sh
index 167a256..0199609 100755
--- a/tools/gource/gource.sh
+++ b/tools/gource/gource.sh
@@ -28,4 +28,5 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-gource -c 4 -s 0.1 --max-file-lag 0.05 --max-files 0 -e 0.01 --hide filenames,dirnames --file-filter 'doc/ref|vsprojects/vcxproj' $*
+gource --multi-sampling -c 4 -s 0.1 --max-file-lag 0.05 --max-files 0 -e 0.05 --hide filenames,dirnames $*
+
diff --git a/tools/jenkins/build_interop_stress_image.sh b/tools/jenkins/build_interop_stress_image.sh
index 14621bf..29c8ed6 100755
--- a/tools/jenkins/build_interop_stress_image.sh
+++ b/tools/jenkins/build_interop_stress_image.sh
@@ -35,7 +35,7 @@
 
 # Params:
 #  INTEROP_IMAGE - Name of tag of the final interop image
-#  INTEROP_IMAGE_TAG - Optional. If set, the created image will be tagged using
+#  INTEROP_IMAGE_REPOSITORY_TAG - Optional. If set, the created image will be tagged using
 #    the command: 'docker tag $INTEROP_IMAGE $INTEROP_IMAGE_REPOSITORY_TAG'
 #  BASE_NAME - Base name used to locate the base Dockerfile and build script
 #  BUILD_TYPE - The 'CONFIG' variable passed to the 'make' command (example:
@@ -59,10 +59,10 @@
 fi
 
 # Use image name based on Dockerfile checksum
-BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/$BASE_NAME/Dockerfile | cut -f1 -d\ `
+BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/stress_test/$BASE_NAME/Dockerfile | cut -f1 -d\ `
 
 # Make sure base docker image has been built. Should be instantaneous if so.
-docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/$BASE_NAME || exit $?
+docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/stress_test/$BASE_NAME || exit $?
 
 # Create a local branch so the child Docker script won't complain
 git branch -f jenkins-docker
@@ -80,7 +80,7 @@
   -v /tmp/ccache:/tmp/ccache \
   --name=$CONTAINER_NAME \
   $BASE_IMAGE \
-  bash -l /var/local/jenkins/grpc/tools/dockerfile/$BASE_NAME/build_interop_stress.sh \
+  bash -l /var/local/jenkins/grpc/tools/dockerfile/stress_test/$BASE_NAME/build_interop_stress.sh \
   && docker commit $CONTAINER_NAME $INTEROP_IMAGE \
   && ( if [ -n "$INTEROP_IMAGE_REPOSITORY_TAG" ]; then docker tag -f $INTEROP_IMAGE $INTEROP_IMAGE_REPOSITORY_TAG ; fi ) \
   && echo "Successfully built image $INTEROP_IMAGE")
diff --git a/tools/jenkins/run_fuzzer.sh b/tools/jenkins/run_fuzzer.sh
index 3d6da99..3464035 100755
--- a/tools/jenkins/run_fuzzer.sh
+++ b/tools/jenkins/run_fuzzer.sh
@@ -37,7 +37,10 @@
 export DOCKERFILE_DIR=tools/dockerfile/test/fuzzer
 export OUTPUT_DIR=fuzzer_output
 
+runtime=${runtime:-3600}
+
 tools/jenkins/build_and_run_docker.sh \
   -e RUN_COMMAND="$RUN_COMMAND" \
   -e OUTPUT_DIR="$OUTPUT_DIR" \
-  -e config="$config"
+  -e config="$config" \
+  -e runtime="$runtime"
diff --git a/tools/run_tests/performance/__init__.py b/tools/run_tests/performance/__init__.py
new file mode 100644
index 0000000..100a624
--- /dev/null
+++ b/tools/run_tests/performance/__init__.py
@@ -0,0 +1,28 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/tools/run_tests/performance/build_performance.sh b/tools/run_tests/performance/build_performance.sh
index 829c2e3..2c962cb 100755
--- a/tools/run_tests/performance/build_performance.sh
+++ b/tools/run_tests/performance/build_performance.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -36,17 +36,17 @@
 
 CONFIG=${CONFIG:-opt}
 
+# build C++ qps worker & driver always - we need at least the driver to
+# run any of the scenarios.
+# TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
+# grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
+# this build will be reused.
+make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver qps_json_driver -j8
+
 for language in $@
 do
-  if [ "$language" == "c++" ]
+  if [ "$language" != "c++" ]
   then
-    # build C++ qps worker & driver
-    # TODO(jtattermusch): not embedding OpenSSL breaks the C# build because
-    # grpc_csharp_ext needs OpenSSL embedded and some intermediate files from
-    # this build will be reused.
-    make CONFIG=${CONFIG} EMBED_OPENSSL=true EMBED_ZLIB=true qps_worker qps_driver -j8
-  else
     tools/run_tests/run_tests.py -l $language -c $CONFIG --build_only -j 8
   fi
 done
-
diff --git a/tools/run_tests/performance/remote_host_build.sh b/tools/run_tests/performance/remote_host_build.sh
index fee4167..b888608 100755
--- a/tools/run_tests/performance/remote_host_build.sh
+++ b/tools/run_tests/performance/remote_host_build.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/remote_host_prepare.sh b/tools/run_tests/performance/remote_host_prepare.sh
index c70e1d3..18633d1 100755
--- a/tools/run_tests/performance/remote_host_prepare.sh
+++ b/tools/run_tests/performance/remote_host_prepare.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/run_worker_csharp.sh b/tools/run_tests/performance/run_worker_csharp.sh
index ce34b20..b91df09 100755
--- a/tools/run_tests/performance/run_worker_csharp.sh
+++ b/tools/run_tests/performance/run_worker_csharp.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/run_worker_node.sh b/tools/run_tests/performance/run_worker_node.sh
index 36bf1b2..46b6ff0 100755
--- a/tools/run_tests/performance/run_worker_node.sh
+++ b/tools/run_tests/performance/run_worker_node.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2015-2016, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
new file mode 100644
index 0000000..7a82d25
--- /dev/null
+++ b/tools/run_tests/performance/scenario_config.py
@@ -0,0 +1,345 @@
+# Copyright 2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# performance scenario configuration for various languages
+
+SINGLE_MACHINE_CORES=8
+WARMUP_SECONDS=5
+BENCHMARK_SECONDS=30
+
+EMPTY_GENERIC_PAYLOAD = {
+  'bytebuf_params': {
+    'req_size': 0,
+    'resp_size': 0,
+  }
+}
+EMPTY_PROTO_PAYLOAD = {
+  'simple_params': {
+    'req_size': 0,
+    'resp_size': 0,
+  }
+}
+BIG_GENERIC_PAYLOAD = {
+  'bytebuf_params': {
+    'req_size': 65536,
+    'resp_size': 65536,
+  }
+}
+
+# deep is the number of RPCs outstanding on a channel in non-ping-pong tests
+# (the value used is 1 otherwise)
+DEEP=100
+
+# wide is the number of client channels in multi-channel tests (1 otherwise)
+WIDE=64
+
+
+class CXXLanguage:
+
+  def __init__(self):
+    self.safename = 'cxx'
+
+  def worker_cmdline(self):
+    return ['bins/opt/qps_worker']
+
+  def worker_port_offset(self):
+    return 0
+
+  def scenarios(self):
+    # TODO(ctiller): add 70% load latency test
+    for secure in [True, False]:
+      if secure:
+        secstr = 'secure'
+        secargs = {'use_test_ca': True,
+                   'server_host_override': 'foo.test.google.fr'}
+      else:
+        secstr = 'insecure'
+        secargs = None
+
+      yield {
+          'name': 'generic_async_streaming_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'generic_async_streaming_qps_unconstrained_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'generic_async_streaming_qps_one_server_core_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': 1,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'protobuf_async_qps_unconstrained_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 0,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': DEEP,
+            'client_channels': WIDE,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'single_channel_throughput_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': BIG_GENERIC_PAYLOAD,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': BIG_GENERIC_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+      yield {
+          'name': 'protobuf_async_ping_pong_%s'
+                  % secstr,
+          'num_servers': 1,
+          'num_clients': 1,
+          'client_config': {
+            'client_type': 'ASYNC_CLIENT',
+            'security_params': secargs,
+            'outstanding_rpcs_per_channel': 1,
+            'client_channels': 1,
+            'async_client_threads': 1,
+            'rpc_type': 'STREAMING',
+            'load_params': {
+              'closed_loop': {}
+            },
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+          },
+          'server_config': {
+            'server_type': 'ASYNC_GENERIC_SERVER',
+            'security_params': secargs,
+            'core_limit': SINGLE_MACHINE_CORES/2,
+            'async_server_threads': 1,
+            'payload_config': EMPTY_PROTO_PAYLOAD,
+          },
+          'warmup_seconds': WARMUP_SECONDS,
+          'benchmark_seconds': BENCHMARK_SECONDS
+      }
+
+  def __str__(self):
+    return 'c++'
+
+
+class CSharpLanguage:
+
+  def __init__(self):
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_csharp.sh']
+
+  def worker_port_offset(self):
+    return 100
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    yield {
+        'name': 'csharp_async_generic_streaming_ping_pong',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'STREAMING',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_GENERIC_PAYLOAD,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_GENERIC_SERVER',
+          'security_params': secargs,
+          'core_limit': SINGLE_MACHINE_CORES/2,
+          'async_server_threads': 1,
+          'payload_config': EMPTY_GENERIC_PAYLOAD,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+
+  def __str__(self):
+    return 'csharp'
+
+
+class NodeLanguage:
+
+  def __init__(self):
+    pass
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_node.sh']
+
+  def worker_port_offset(self):
+    return 200
+
+  def scenarios(self):
+    # TODO(jtattermusch): add more scenarios
+    yield {
+        'name': 'node_sync_unary_ping_pong_protobuf',
+        'num_servers': 1,
+        'num_clients': 1,
+        'client_config': {
+          'client_type': 'ASYNC_CLIENT',
+          'security_params': secargs,
+          'outstanding_rpcs_per_channel': 1,
+          'client_channels': 1,
+          'async_client_threads': 1,
+          'rpc_type': 'STREAMING',
+          'load_params': {
+            'closed_loop': {}
+          },
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+        },
+        'server_config': {
+          'server_type': 'ASYNC_GENERIC_SERVER',
+          'security_params': secargs,
+          'core_limit': SINGLE_MACHINE_CORES/2,
+          'async_server_threads': 1,
+          'payload_config': EMPTY_PROTO_PAYLOAD,
+        },
+        'warmup_seconds': WARMUP_SECONDS,
+        'benchmark_seconds': BENCHMARK_SECONDS
+    }
+
+  def __str__(self):
+    return 'node'
+
+
+LANGUAGES = {
+    'c++' : CXXLanguage(),
+    'csharp' : CSharpLanguage(),
+    'node' : NodeLanguage(),
+}
diff --git a/tools/run_tests/run_node.sh b/tools/run_tests/run_node.sh
index 30f2c93..44f7564 100755
--- a/tools/run_tests/run_node.sh
+++ b/tools/run_tests/run_node.sh
@@ -48,6 +48,7 @@
 then
   ./node_modules/.bin/istanbul cover --dir reports/node_coverage \
     -x **/interop/* ./node_modules/.bin/_mocha -- --timeout $timeout $test_directory
+  cp -r reports/node_coverage/lcov-report/* reports/node_coverage/
   cd build
   gcov Release/obj.target/grpc/ext/*.o
   lcov --base-directory . --directory . -c -o coverage.info
@@ -55,8 +56,6 @@
   genhtml -o ../reports/node_ext_coverage --num-spaces 2 \
     -t 'Node gRPC test coverage' coverage.info --rc genhtml_hi_limit=95 \
     --rc genhtml_med_limit=80 --no-prefix
-  echo '<html><head><meta http-equiv="refresh" content="0;URL=lcov-report/index.html"></head></html>' > \
-    ../reports/node_coverage/index.html
 else
   JUNIT_REPORT_PATH=src/node/report.xml JUNIT_REPORT_STACK=1 \
     ./node_modules/.bin/mocha --timeout $timeout \
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
index 0ab3d26..51ed35f 100755
--- a/tools/run_tests/run_performance_tests.py
+++ b/tools/run_tests/run_performance_tests.py
@@ -33,13 +33,16 @@
 import argparse
 import itertools
 import jobset
+import json
 import multiprocessing
 import os
+import pipes
 import subprocess
 import sys
 import tempfile
 import time
 import uuid
+import performance.scenario_config as scenario_config
 
 
 _ROOT = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]), '../..'))
@@ -49,130 +52,6 @@
 _REMOTE_HOST_USERNAME = 'jenkins'
 
 
-class CXXLanguage:
-
-  def __init__(self):
-    self.safename = 'cxx'
-
-  def worker_cmdline(self):
-    return ['bins/opt/qps_worker']
-
-  def worker_port_offset(self):
-    return 0
-
-  def scenarios(self):
-    # TODO(jtattermusch): add more scenarios
-    return {
-            # Scenario 1: generic async streaming ping-pong (contentionless latency)
-            'cpp_async_generic_streaming_ping_pong': [
-                '--rpc_type=STREAMING',
-                '--client_type=ASYNC_CLIENT',
-                '--server_type=ASYNC_GENERIC_SERVER',
-                '--outstanding_rpcs_per_channel=1',
-                '--client_channels=1',
-                '--bbuf_req_size=0',
-                '--bbuf_resp_size=0',
-                '--async_client_threads=1',
-                '--async_server_threads=1',
-                '--secure_test=true',
-                '--num_servers=1',
-                '--num_clients=1',
-                '--server_core_limit=0',
-                '--client_core_limit=0'],
-            # Scenario 5: Sync unary ping-pong with protobufs
-            'cpp_sync_unary_ping_pong_protobuf': [
-                '--rpc_type=UNARY',
-                '--client_type=SYNC_CLIENT',
-                '--server_type=SYNC_SERVER',
-                '--outstanding_rpcs_per_channel=1',
-                '--client_channels=1',
-                '--simple_req_size=0',
-                '--simple_resp_size=0',
-                '--secure_test=true',
-                '--num_servers=1',
-                '--num_clients=1',
-                '--server_core_limit=0',
-                '--client_core_limit=0']}
-
-  def __str__(self):
-    return 'c++'
-
-
-class CSharpLanguage:
-
-  def __init__(self):
-    self.safename = str(self)
-
-  def worker_cmdline(self):
-    return ['tools/run_tests/performance/run_worker_csharp.sh']
-
-  def worker_port_offset(self):
-    return 100
-
-  def scenarios(self):
-    # TODO(jtattermusch): add more scenarios
-    return {
-            # Scenario 1: generic async streaming ping-pong (contentionless latency)
-            'csharp_async_generic_streaming_ping_pong': [
-                '--rpc_type=STREAMING',
-                '--client_type=ASYNC_CLIENT',
-                '--server_type=ASYNC_GENERIC_SERVER',
-                '--outstanding_rpcs_per_channel=1',
-                '--client_channels=1',
-                '--bbuf_req_size=0',
-                '--bbuf_resp_size=0',
-                '--async_client_threads=1',
-                '--async_server_threads=1',
-                '--secure_test=true',
-                '--num_servers=1',
-                '--num_clients=1',
-                '--server_core_limit=0',
-                '--client_core_limit=0']}
-
-  def __str__(self):
-    return 'csharp'
-
-
-class NodeLanguage:
-
-  def __init__(self):
-    pass
-    self.safename = str(self)
-
-  def worker_cmdline(self):
-    return ['tools/run_tests/performance/run_worker_node.sh']
-
-  def worker_port_offset(self):
-    return 200
-
-  def scenarios(self):
-    # TODO(jtattermusch): add more scenarios
-    return {
-             'node_sync_unary_ping_pong_protobuf': [
-                '--rpc_type=UNARY',
-                '--client_type=ASYNC_CLIENT',
-                '--server_type=ASYNC_SERVER',
-                '--outstanding_rpcs_per_channel=1',
-                '--client_channels=1',
-                '--simple_req_size=0',
-                '--simple_resp_size=0',
-                '--secure_test=false',
-                '--num_servers=1',
-                '--num_clients=1',
-                '--server_core_limit=0',
-                '--client_core_limit=0']}
-
-  def __str__(self):
-    return 'node'
-
-
-_LANGUAGES = {
-    'c++' : CXXLanguage(),
-    'csharp' : CSharpLanguage(),
-    'node' : NodeLanguage(),
-}
-
-
 class QpsWorkerJob:
   """Encapsulates a qps worker server job."""
 
@@ -210,18 +89,34 @@
   return QpsWorkerJob(jobspec, language, host_and_port)
 
 
-def create_scenario_jobspec(scenario_name, driver_args, workers, remote_host=None):
+def create_scenario_jobspec(scenario_json, workers, remote_host=None):
   """Runs one scenario using QPS driver."""
   # setting QPS_WORKERS env variable here makes sure it works with SSH too.
-  cmd = 'QPS_WORKERS="%s" bins/opt/qps_driver ' % ','.join(workers)
-  cmd += ' '.join(driver_args)
+  cmd = 'QPS_WORKERS="%s" bins/opt/qps_json_driver ' % ','.join(workers)
+  cmd += '--scenarios_json=%s' % pipes.quote(json.dumps({'scenarios': [scenario_json]}))
   if remote_host:
     user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
     cmd = 'ssh %s "cd ~/performance_workspace/grpc/ && %s"' % (user_at_host, cmd)
 
   return jobset.JobSpec(
       cmdline=[cmd],
-      shortname='qps_driver.%s' % scenario_name,
+      shortname='qps_json_driver.%s' % scenario_json['name'],
+      timeout_seconds=3*60,
+      shell=True,
+      verbose_success=True)
+
+
+def create_quit_jobspec(workers, remote_host=None):
+  """Runs quit using QPS driver."""
+  # setting QPS_WORKERS env variable here makes sure it works with SSH too.
+  cmd = 'QPS_WORKERS="%s" bins/opt/qps_driver --quit' % ','.join(workers)
+  if remote_host:
+    user_at_host = '%s@%s' % (_REMOTE_HOST_USERNAME, remote_host)
+    cmd = 'ssh %s "cd ~/performance_workspace/grpc/ && %s"' % (user_at_host, cmd)
+
+  return jobset.JobSpec(
+      cmdline=[cmd],
+      shortname='qps_driver.quit',
       timeout_seconds=3*60,
       shell=True,
       verbose_success=True)
@@ -272,7 +167,7 @@
     sys.exit(1)
 
 
-def build_on_remote_hosts(hosts, languages=_LANGUAGES.keys(), build_local=False):
+def build_on_remote_hosts(hosts, languages=scenario_config.LANGUAGES.keys(), build_local=False):
   """Builds performance worker on remote hosts (and maybe also locally)."""
   build_timeout = 15*60
   build_jobs = []
@@ -330,9 +225,8 @@
   """Create jobspecs for scenarios to run."""
   scenarios = []
   for language in languages:
-    for scenario_name, driver_args in language.scenarios().iteritems():
-      scenario = create_scenario_jobspec(scenario_name,
-                                         driver_args,
+    for scenario_json in language.scenarios():
+      scenario = create_scenario_jobspec(scenario_json,
                                          workers_by_lang[str(language)],
                                          remote_host=remote_host)
       scenarios.append(scenario)
@@ -341,10 +235,7 @@
   all_workers = [worker
                  for workers in workers_by_lang.values()
                  for worker in workers]
-  scenarios.append(create_scenario_jobspec('quit_workers',
-                                           ['--quit=true'],
-                                           all_workers,
-                                           remote_host=remote_host))
+  scenarios.append(create_quit_jobspec(all_workers, remote_host=remote_host))
   return scenarios
 
 
@@ -366,7 +257,7 @@
 
 argp = argparse.ArgumentParser(description='Run performance tests.')
 argp.add_argument('-l', '--language',
-                  choices=['all'] + sorted(_LANGUAGES.keys()),
+                  choices=['all'] + sorted(scenario_config.LANGUAGES.keys()),
                   nargs='+',
                   default=['all'],
                   help='Languages to benchmark.')
@@ -380,9 +271,9 @@
 
 args = argp.parse_args()
 
-languages = set(_LANGUAGES[l]
+languages = set(scenario_config.LANGUAGES[l]
                 for l in itertools.chain.from_iterable(
-                      _LANGUAGES.iterkeys() if x == 'all' else [x]
+                      scenario_config.LANGUAGES.iterkeys() if x == 'all' else [x]
                       for x in args.language))
 
 # Put together set of remote hosts where to run and build
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index a13f2a3..dfac946 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -192,7 +192,7 @@
         else:
           cmdline = [binary] + target['args']
           out.append(self.config.job_spec(cmdline, [binary],
-                                          shortname=' '.join(cmdline),
+                                          shortname=target.get('shortname', ' '.join(cmdline)),
                                           cpu_cost=target['cpu_cost'],
                                           flaky=target.get('flaky', False),
                                           environ={'GRPC_DEFAULT_SSL_ROOTS_FILE_PATH':
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index bc1e34b..b2f2e1e 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1303,6 +1303,38 @@
     ], 
     "headers": [], 
     "language": "c", 
+    "name": "nanopb_fuzzer_response_test", 
+    "src": [
+      "test/core/nanopb/fuzzer_response.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "nanopb_fuzzer_serverlist_test", 
+    "src": [
+      "test/core/nanopb/fuzzer_serverlist.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
     "name": "no_server_test", 
     "src": [
       "test/core/end2end/no_server_test.c"
@@ -1383,6 +1415,22 @@
     ], 
     "headers": [], 
     "language": "c", 
+    "name": "server_fuzzer", 
+    "src": [
+      "test/core/end2end/fuzzers/server_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
     "name": "server_test", 
     "src": [
       "test/core/surface/server_test.c"
@@ -1858,7 +1906,7 @@
   }, 
   {
     "deps": [
-      "grpc++_codegen_lib"
+      "grpc++_codegen"
     ], 
     "headers": [
       "src/proto/grpc/testing/control.grpc.pb.h", 
@@ -2194,6 +2242,25 @@
   {
     "deps": [
       "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_config", 
+      "grpc++_test_util", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "src": [
+      "test/cpp/qps/json_run_localhost.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
       "grpc", 
       "grpc++", 
       "grpc++_test_config"
@@ -2282,6 +2349,26 @@
     ], 
     "headers": [], 
     "language": "c++", 
+    "name": "qps_json_driver", 
+    "src": [
+      "test/cpp/qps/qps_json_driver.cc"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_config", 
+      "grpc++_test_util", 
+      "grpc_test_util", 
+      "qps"
+    ], 
+    "headers": [], 
+    "language": "c++", 
     "name": "qps_openloop_test", 
     "src": [
       "test/cpp/qps/qps_openloop_test.cc"
@@ -3170,6 +3257,23 @@
     ], 
     "headers": [], 
     "language": "c", 
+    "name": "head_of_line_blocking_bad_client_test", 
+    "src": [
+      "test/core/bad_client/tests/head_of_line_blocking.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "bad_client_test", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
     "name": "headers_bad_client_test", 
     "src": [
       "test/core/bad_client/tests/headers.c"
@@ -3797,6 +3901,57 @@
     ], 
     "headers": [], 
     "language": "c", 
+    "name": "nanopb_fuzzer_response_test_one_entry", 
+    "src": [
+      "test/core/nanopb/fuzzer_response.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "nanopb_fuzzer_serverlist_test_one_entry", 
+    "src": [
+      "test/core/nanopb/fuzzer_serverlist.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "src": [
+      "test/core/end2end/fuzzers/server_fuzzer.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util", 
+      "one_input_fuzzer"
+    ], 
+    "headers": [], 
+    "language": "c", 
     "name": "uri_fuzzer_test_one_entry", 
     "src": [
       "test/core/client_config/uri_fuzzer_test.c"
@@ -3805,165 +3960,13 @@
     "type": "target"
   }, 
   {
-    "deps": [], 
-    "headers": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "include/grpc/support/alloc.h", 
-      "include/grpc/support/atm.h", 
-      "include/grpc/support/atm_gcc_atomic.h", 
-      "include/grpc/support/atm_gcc_sync.h", 
-      "include/grpc/support/atm_win32.h", 
-      "include/grpc/support/avl.h", 
-      "include/grpc/support/cmdline.h", 
-      "include/grpc/support/cpu.h", 
-      "include/grpc/support/histogram.h", 
-      "include/grpc/support/host_port.h", 
-      "include/grpc/support/log.h", 
-      "include/grpc/support/log_win32.h", 
-      "include/grpc/support/port_platform.h", 
-      "include/grpc/support/slice.h", 
-      "include/grpc/support/slice_buffer.h", 
-      "include/grpc/support/string_util.h", 
-      "include/grpc/support/subprocess.h", 
-      "include/grpc/support/sync.h", 
-      "include/grpc/support/sync_generic.h", 
-      "include/grpc/support/sync_posix.h", 
-      "include/grpc/support/sync_win32.h", 
-      "include/grpc/support/thd.h", 
-      "include/grpc/support/time.h", 
-      "include/grpc/support/tls.h", 
-      "include/grpc/support/tls_gcc.h", 
-      "include/grpc/support/tls_msvc.h", 
-      "include/grpc/support/tls_pthread.h", 
-      "include/grpc/support/useful.h", 
-      "src/core/lib/profiling/timers.h", 
-      "src/core/lib/support/backoff.h", 
-      "src/core/lib/support/block_annotate.h", 
-      "src/core/lib/support/env.h", 
-      "src/core/lib/support/load_file.h", 
-      "src/core/lib/support/murmur_hash.h", 
-      "src/core/lib/support/stack_lockfree.h", 
-      "src/core/lib/support/string.h", 
-      "src/core/lib/support/string_win32.h", 
-      "src/core/lib/support/thd_internal.h", 
-      "src/core/lib/support/time_precise.h", 
-      "src/core/lib/support/tmpfile.h"
+    "deps": [
+      "gpr_base"
     ], 
+    "headers": [], 
     "language": "c", 
     "name": "gpr", 
-    "src": [
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "include/grpc/support/alloc.h", 
-      "include/grpc/support/atm.h", 
-      "include/grpc/support/atm_gcc_atomic.h", 
-      "include/grpc/support/atm_gcc_sync.h", 
-      "include/grpc/support/atm_win32.h", 
-      "include/grpc/support/avl.h", 
-      "include/grpc/support/cmdline.h", 
-      "include/grpc/support/cpu.h", 
-      "include/grpc/support/histogram.h", 
-      "include/grpc/support/host_port.h", 
-      "include/grpc/support/log.h", 
-      "include/grpc/support/log_win32.h", 
-      "include/grpc/support/port_platform.h", 
-      "include/grpc/support/slice.h", 
-      "include/grpc/support/slice_buffer.h", 
-      "include/grpc/support/string_util.h", 
-      "include/grpc/support/subprocess.h", 
-      "include/grpc/support/sync.h", 
-      "include/grpc/support/sync_generic.h", 
-      "include/grpc/support/sync_posix.h", 
-      "include/grpc/support/sync_win32.h", 
-      "include/grpc/support/thd.h", 
-      "include/grpc/support/time.h", 
-      "include/grpc/support/tls.h", 
-      "include/grpc/support/tls_gcc.h", 
-      "include/grpc/support/tls_msvc.h", 
-      "include/grpc/support/tls_pthread.h", 
-      "include/grpc/support/useful.h", 
-      "src/core/lib/profiling/basic_timers.c", 
-      "src/core/lib/profiling/stap_timers.c", 
-      "src/core/lib/profiling/timers.h", 
-      "src/core/lib/support/alloc.c", 
-      "src/core/lib/support/avl.c", 
-      "src/core/lib/support/backoff.c", 
-      "src/core/lib/support/backoff.h", 
-      "src/core/lib/support/block_annotate.h", 
-      "src/core/lib/support/cmdline.c", 
-      "src/core/lib/support/cpu_iphone.c", 
-      "src/core/lib/support/cpu_linux.c", 
-      "src/core/lib/support/cpu_posix.c", 
-      "src/core/lib/support/cpu_windows.c", 
-      "src/core/lib/support/env.h", 
-      "src/core/lib/support/env_linux.c", 
-      "src/core/lib/support/env_posix.c", 
-      "src/core/lib/support/env_win32.c", 
-      "src/core/lib/support/histogram.c", 
-      "src/core/lib/support/host_port.c", 
-      "src/core/lib/support/load_file.c", 
-      "src/core/lib/support/load_file.h", 
-      "src/core/lib/support/log.c", 
-      "src/core/lib/support/log_android.c", 
-      "src/core/lib/support/log_linux.c", 
-      "src/core/lib/support/log_posix.c", 
-      "src/core/lib/support/log_win32.c", 
-      "src/core/lib/support/murmur_hash.c", 
-      "src/core/lib/support/murmur_hash.h", 
-      "src/core/lib/support/slice.c", 
-      "src/core/lib/support/slice_buffer.c", 
-      "src/core/lib/support/stack_lockfree.c", 
-      "src/core/lib/support/stack_lockfree.h", 
-      "src/core/lib/support/string.c", 
-      "src/core/lib/support/string.h", 
-      "src/core/lib/support/string_posix.c", 
-      "src/core/lib/support/string_win32.c", 
-      "src/core/lib/support/string_win32.h", 
-      "src/core/lib/support/subprocess_posix.c", 
-      "src/core/lib/support/subprocess_windows.c", 
-      "src/core/lib/support/sync.c", 
-      "src/core/lib/support/sync_posix.c", 
-      "src/core/lib/support/sync_win32.c", 
-      "src/core/lib/support/thd.c", 
-      "src/core/lib/support/thd_internal.h", 
-      "src/core/lib/support/thd_posix.c", 
-      "src/core/lib/support/thd_win32.c", 
-      "src/core/lib/support/time.c", 
-      "src/core/lib/support/time_posix.c", 
-      "src/core/lib/support/time_precise.c", 
-      "src/core/lib/support/time_precise.h", 
-      "src/core/lib/support/time_win32.c", 
-      "src/core/lib/support/tls_pthread.c", 
-      "src/core/lib/support/tmpfile.h", 
-      "src/core/lib/support/tmpfile_posix.c", 
-      "src/core/lib/support/tmpfile_win32.c", 
-      "src/core/lib/support/wrap_memcpy.c"
-    ], 
+    "src": [], 
     "third_party": false, 
     "type": "lib"
   }, 
@@ -3985,516 +3988,24 @@
   }, 
   {
     "deps": [
-      "gpr"
+      "census", 
+      "gpr", 
+      "grpc_base", 
+      "grpc_lb_policy_grpclb", 
+      "grpc_lb_policy_pick_first", 
+      "grpc_lb_policy_round_robin", 
+      "grpc_resolver_dns_native", 
+      "grpc_resolver_sockaddr", 
+      "grpc_secure", 
+      "grpc_transport_chttp2_client_insecure", 
+      "grpc_transport_chttp2_client_secure", 
+      "grpc_transport_chttp2_server_insecure", 
+      "grpc_transport_chttp2_server_secure"
     ], 
-    "headers": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/grpc_security.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/ext/census/aggregation.h", 
-      "src/core/ext/census/census_interface.h", 
-      "src/core/ext/census/census_rpc_stats.h", 
-      "src/core/ext/census/grpc_filter.h", 
-      "src/core/ext/census/mlog.h", 
-      "src/core/ext/census/rpc_metric_id.h", 
-      "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h", 
-      "src/core/ext/transport/chttp2/transport/alpn.h", 
-      "src/core/ext/transport/chttp2/transport/bin_encoder.h", 
-      "src/core/ext/transport/chttp2/transport/chttp2_transport.h", 
-      "src/core/ext/transport/chttp2/transport/frame.h", 
-      "src/core/ext/transport/chttp2/transport/frame_data.h", 
-      "src/core/ext/transport/chttp2/transport/frame_goaway.h", 
-      "src/core/ext/transport/chttp2/transport/frame_ping.h", 
-      "src/core/ext/transport/chttp2/transport/frame_rst_stream.h", 
-      "src/core/ext/transport/chttp2/transport/frame_settings.h", 
-      "src/core/ext/transport/chttp2/transport/frame_window_update.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_encoder.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_parser.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_table.h", 
-      "src/core/ext/transport/chttp2/transport/http2_errors.h", 
-      "src/core/ext/transport/chttp2/transport/huffsyms.h", 
-      "src/core/ext/transport/chttp2/transport/incoming_metadata.h", 
-      "src/core/ext/transport/chttp2/transport/internal.h", 
-      "src/core/ext/transport/chttp2/transport/status_conversion.h", 
-      "src/core/ext/transport/chttp2/transport/stream_map.h", 
-      "src/core/ext/transport/chttp2/transport/timeout_encoding.h", 
-      "src/core/ext/transport/chttp2/transport/varint.h", 
-      "src/core/lib/channel/channel_args.h", 
-      "src/core/lib/channel/channel_stack.h", 
-      "src/core/lib/channel/channel_stack_builder.h", 
-      "src/core/lib/channel/client_channel.h", 
-      "src/core/lib/channel/compress_filter.h", 
-      "src/core/lib/channel/connected_channel.h", 
-      "src/core/lib/channel/context.h", 
-      "src/core/lib/channel/http_client_filter.h", 
-      "src/core/lib/channel/http_server_filter.h", 
-      "src/core/lib/channel/subchannel_call_holder.h", 
-      "src/core/lib/client_config/client_config.h", 
-      "src/core/lib/client_config/connector.h", 
-      "src/core/lib/client_config/initial_connect_string.h", 
-      "src/core/lib/client_config/lb_policy.h", 
-      "src/core/lib/client_config/lb_policy_factory.h", 
-      "src/core/lib/client_config/lb_policy_registry.h", 
-      "src/core/lib/client_config/resolver.h", 
-      "src/core/lib/client_config/resolver_factory.h", 
-      "src/core/lib/client_config/resolver_registry.h", 
-      "src/core/lib/client_config/subchannel.h", 
-      "src/core/lib/client_config/subchannel_factory.h", 
-      "src/core/lib/client_config/subchannel_index.h", 
-      "src/core/lib/client_config/uri_parser.h", 
-      "src/core/lib/compression/algorithm_metadata.h", 
-      "src/core/lib/compression/message_compress.h", 
-      "src/core/lib/debug/trace.h", 
-      "src/core/lib/http/format_request.h", 
-      "src/core/lib/http/httpcli.h", 
-      "src/core/lib/http/parser.h", 
-      "src/core/lib/iomgr/closure.h", 
-      "src/core/lib/iomgr/endpoint.h", 
-      "src/core/lib/iomgr/endpoint_pair.h", 
-      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
-      "src/core/lib/iomgr/ev_posix.h", 
-      "src/core/lib/iomgr/exec_ctx.h", 
-      "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/iocp_windows.h", 
-      "src/core/lib/iomgr/iomgr.h", 
-      "src/core/lib/iomgr/iomgr_internal.h", 
-      "src/core/lib/iomgr/iomgr_posix.h", 
-      "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_windows.h", 
-      "src/core/lib/iomgr/pollset_windows.h", 
-      "src/core/lib/iomgr/resolve_address.h", 
-      "src/core/lib/iomgr/sockaddr.h", 
-      "src/core/lib/iomgr/sockaddr_posix.h", 
-      "src/core/lib/iomgr/sockaddr_utils.h", 
-      "src/core/lib/iomgr/sockaddr_win32.h", 
-      "src/core/lib/iomgr/socket_utils_posix.h", 
-      "src/core/lib/iomgr/socket_windows.h", 
-      "src/core/lib/iomgr/tcp_client.h", 
-      "src/core/lib/iomgr/tcp_posix.h", 
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-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h"
-    ], 
+    "src": [], 
     "third_party": false, 
     "type": "lib"
   }, 
@@ -4514,46 +4025,22 @@
     "deps": [
       "gpr", 
       "gpr_test_util", 
-      "grpc"
+      "grpc", 
+      "grpc_test_util_base"
     ], 
     "headers": [
-      "test/core/end2end/cq_verifier.h", 
       "test/core/end2end/data/ssl_test_data.h", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/security/oauth2_utils.h", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_server_client.h", 
-      "test/core/util/slice_splitter.h"
+      "test/core/security/oauth2_utils.h"
     ], 
     "language": "c", 
     "name": "grpc_test_util", 
     "src": [
-      "test/core/end2end/cq_verifier.c", 
-      "test/core/end2end/cq_verifier.h", 
       "test/core/end2end/data/server1_cert.c", 
       "test/core/end2end/data/server1_key.c", 
       "test/core/end2end/data/ssl_test_data.h", 
       "test/core/end2end/data/test_root_cert.c", 
-      "test/core/end2end/fixtures/proxy.c", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.c", 
-      "test/core/iomgr/endpoint_tests.h", 
       "test/core/security/oauth2_utils.c", 
-      "test/core/security/oauth2_utils.h", 
-      "test/core/util/grpc_profiler.c", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.c", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_posix.c", 
-      "test/core/util/port_server_client.c", 
-      "test/core/util/port_server_client.h", 
-      "test/core/util/port_windows.c", 
-      "test/core/util/slice_splitter.c", 
-      "test/core/util/slice_splitter.h"
+      "test/core/security/oauth2_utils.h"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -4562,452 +4049,35 @@
     "deps": [
       "gpr", 
       "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util_base", 
       "grpc_unsecure"
     ], 
-    "headers": [
-      "test/core/end2end/cq_verifier.h", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_server_client.h", 
-      "test/core/util/slice_splitter.h"
-    ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc_test_util_unsecure", 
-    "src": [
-      "test/core/end2end/cq_verifier.c", 
-      "test/core/end2end/cq_verifier.h", 
-      "test/core/end2end/fixtures/proxy.c", 
-      "test/core/end2end/fixtures/proxy.h", 
-      "test/core/iomgr/endpoint_tests.c", 
-      "test/core/iomgr/endpoint_tests.h", 
-      "test/core/util/grpc_profiler.c", 
-      "test/core/util/grpc_profiler.h", 
-      "test/core/util/parse_hexstring.c", 
-      "test/core/util/parse_hexstring.h", 
-      "test/core/util/port.h", 
-      "test/core/util/port_posix.c", 
-      "test/core/util/port_server_client.c", 
-      "test/core/util/port_server_client.h", 
-      "test/core/util/port_windows.c", 
-      "test/core/util/slice_splitter.c", 
-      "test/core/util/slice_splitter.h"
-    ], 
+    "src": [], 
     "third_party": false, 
     "type": "lib"
   }, 
   {
     "deps": [
-      "gpr"
+      "census", 
+      "gpr", 
+      "grpc_base", 
+      "grpc_lb_policy_grpclb", 
+      "grpc_lb_policy_pick_first", 
+      "grpc_lb_policy_round_robin", 
+      "grpc_resolver_dns_native", 
+      "grpc_resolver_sockaddr", 
+      "grpc_transport_chttp2_client_insecure", 
+      "grpc_transport_chttp2_server_insecure"
     ], 
-    "headers": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/ext/census/aggregation.h", 
-      "src/core/ext/census/census_interface.h", 
-      "src/core/ext/census/census_rpc_stats.h", 
-      "src/core/ext/census/grpc_filter.h", 
-      "src/core/ext/census/mlog.h", 
-      "src/core/ext/census/rpc_metric_id.h", 
-      "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h", 
-      "src/core/ext/transport/chttp2/transport/alpn.h", 
-      "src/core/ext/transport/chttp2/transport/bin_encoder.h", 
-      "src/core/ext/transport/chttp2/transport/chttp2_transport.h", 
-      "src/core/ext/transport/chttp2/transport/frame.h", 
-      "src/core/ext/transport/chttp2/transport/frame_data.h", 
-      "src/core/ext/transport/chttp2/transport/frame_goaway.h", 
-      "src/core/ext/transport/chttp2/transport/frame_ping.h", 
-      "src/core/ext/transport/chttp2/transport/frame_rst_stream.h", 
-      "src/core/ext/transport/chttp2/transport/frame_settings.h", 
-      "src/core/ext/transport/chttp2/transport/frame_window_update.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_encoder.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_parser.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_table.h", 
-      "src/core/ext/transport/chttp2/transport/http2_errors.h", 
-      "src/core/ext/transport/chttp2/transport/huffsyms.h", 
-      "src/core/ext/transport/chttp2/transport/incoming_metadata.h", 
-      "src/core/ext/transport/chttp2/transport/internal.h", 
-      "src/core/ext/transport/chttp2/transport/status_conversion.h", 
-      "src/core/ext/transport/chttp2/transport/stream_map.h", 
-      "src/core/ext/transport/chttp2/transport/timeout_encoding.h", 
-      "src/core/ext/transport/chttp2/transport/varint.h", 
-      "src/core/lib/channel/channel_args.h", 
-      "src/core/lib/channel/channel_stack.h", 
-      "src/core/lib/channel/channel_stack_builder.h", 
-      "src/core/lib/channel/client_channel.h", 
-      "src/core/lib/channel/compress_filter.h", 
-      "src/core/lib/channel/connected_channel.h", 
-      "src/core/lib/channel/context.h", 
-      "src/core/lib/channel/http_client_filter.h", 
-      "src/core/lib/channel/http_server_filter.h", 
-      "src/core/lib/channel/subchannel_call_holder.h", 
-      "src/core/lib/client_config/client_config.h", 
-      "src/core/lib/client_config/connector.h", 
-      "src/core/lib/client_config/initial_connect_string.h", 
-      "src/core/lib/client_config/lb_policy.h", 
-      "src/core/lib/client_config/lb_policy_factory.h", 
-      "src/core/lib/client_config/lb_policy_registry.h", 
-      "src/core/lib/client_config/resolver.h", 
-      "src/core/lib/client_config/resolver_factory.h", 
-      "src/core/lib/client_config/resolver_registry.h", 
-      "src/core/lib/client_config/subchannel.h", 
-      "src/core/lib/client_config/subchannel_factory.h", 
-      "src/core/lib/client_config/subchannel_index.h", 
-      "src/core/lib/client_config/uri_parser.h", 
-      "src/core/lib/compression/algorithm_metadata.h", 
-      "src/core/lib/compression/message_compress.h", 
-      "src/core/lib/debug/trace.h", 
-      "src/core/lib/http/format_request.h", 
-      "src/core/lib/http/httpcli.h", 
-      "src/core/lib/http/parser.h", 
-      "src/core/lib/iomgr/closure.h", 
-      "src/core/lib/iomgr/endpoint.h", 
-      "src/core/lib/iomgr/endpoint_pair.h", 
-      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
-      "src/core/lib/iomgr/ev_posix.h", 
-      "src/core/lib/iomgr/exec_ctx.h", 
-      "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/iocp_windows.h", 
-      "src/core/lib/iomgr/iomgr.h", 
-      "src/core/lib/iomgr/iomgr_internal.h", 
-      "src/core/lib/iomgr/iomgr_posix.h", 
-      "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_windows.h", 
-      "src/core/lib/iomgr/pollset_windows.h", 
-      "src/core/lib/iomgr/resolve_address.h", 
-      "src/core/lib/iomgr/sockaddr.h", 
-      "src/core/lib/iomgr/sockaddr_posix.h", 
-      "src/core/lib/iomgr/sockaddr_utils.h", 
-      "src/core/lib/iomgr/sockaddr_win32.h", 
-      "src/core/lib/iomgr/socket_utils_posix.h", 
-      "src/core/lib/iomgr/socket_windows.h", 
-      "src/core/lib/iomgr/tcp_client.h", 
-      "src/core/lib/iomgr/tcp_posix.h", 
-      "src/core/lib/iomgr/tcp_server.h", 
-      "src/core/lib/iomgr/tcp_windows.h", 
-      "src/core/lib/iomgr/time_averaged_stats.h", 
-      "src/core/lib/iomgr/timer.h", 
-      "src/core/lib/iomgr/timer_heap.h", 
-      "src/core/lib/iomgr/udp_server.h", 
-      "src/core/lib/iomgr/unix_sockets_posix.h", 
-      "src/core/lib/iomgr/wakeup_fd_pipe.h", 
-      "src/core/lib/iomgr/wakeup_fd_posix.h", 
-      "src/core/lib/iomgr/workqueue.h", 
-      "src/core/lib/iomgr/workqueue_posix.h", 
-      "src/core/lib/iomgr/workqueue_windows.h", 
-      "src/core/lib/json/json.h", 
-      "src/core/lib/json/json_common.h", 
-      "src/core/lib/json/json_reader.h", 
-      "src/core/lib/json/json_writer.h", 
-      "src/core/lib/surface/api_trace.h", 
-      "src/core/lib/surface/call.h", 
-      "src/core/lib/surface/call_test_only.h", 
-      "src/core/lib/surface/channel.h", 
-      "src/core/lib/surface/channel_init.h", 
-      "src/core/lib/surface/channel_stack_type.h", 
-      "src/core/lib/surface/completion_queue.h", 
-      "src/core/lib/surface/event_string.h", 
-      "src/core/lib/surface/init.h", 
-      "src/core/lib/surface/lame_client.h", 
-      "src/core/lib/surface/server.h", 
-      "src/core/lib/surface/surface_trace.h", 
-      "src/core/lib/transport/byte_stream.h", 
-      "src/core/lib/transport/connectivity_state.h", 
-      "src/core/lib/transport/metadata.h", 
-      "src/core/lib/transport/metadata_batch.h", 
-      "src/core/lib/transport/static_metadata.h", 
-      "src/core/lib/transport/transport.h", 
-      "src/core/lib/transport/transport_impl.h", 
-      "third_party/nanopb/pb.h", 
-      "third_party/nanopb/pb_common.h", 
-      "third_party/nanopb/pb_decode.h", 
-      "third_party/nanopb/pb_encode.h"
-    ], 
+    "headers": [], 
     "language": "c", 
     "name": "grpc_unsecure", 
     "src": [
-      "include/grpc/byte_buffer.h", 
-      "include/grpc/byte_buffer_reader.h", 
-      "include/grpc/census.h", 
-      "include/grpc/compression.h", 
-      "include/grpc/grpc.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/status.h", 
-      "src/core/ext/census/aggregation.h", 
-      "src/core/ext/census/census_interface.h", 
-      "src/core/ext/census/census_rpc_stats.h", 
-      "src/core/ext/census/context.c", 
-      "src/core/ext/census/grpc_context.c", 
-      "src/core/ext/census/grpc_filter.c", 
-      "src/core/ext/census/grpc_filter.h", 
-      "src/core/ext/census/grpc_plugin.c", 
-      "src/core/ext/census/initialize.c", 
-      "src/core/ext/census/mlog.c", 
-      "src/core/ext/census/mlog.h", 
-      "src/core/ext/census/operation.c", 
-      "src/core/ext/census/placeholders.c", 
-      "src/core/ext/census/rpc_metric_id.h", 
-      "src/core/ext/census/tracing.c", 
-      "src/core/ext/lb_policy/grpclb/load_balancer_api.c", 
-      "src/core/ext/lb_policy/grpclb/load_balancer_api.h", 
-      "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c", 
-      "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h", 
-      "src/core/ext/lb_policy/pick_first/pick_first.c", 
-      "src/core/ext/lb_policy/round_robin/round_robin.c", 
-      "src/core/ext/resolver/dns/native/dns_resolver.c", 
-      "src/core/ext/resolver/sockaddr/sockaddr_resolver.c", 
-      "src/core/ext/transport/chttp2/client/insecure/channel_create.c", 
-      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c", 
-      "src/core/ext/transport/chttp2/transport/alpn.c", 
-      "src/core/ext/transport/chttp2/transport/alpn.h", 
-      "src/core/ext/transport/chttp2/transport/bin_encoder.c", 
-      "src/core/ext/transport/chttp2/transport/bin_encoder.h", 
-      "src/core/ext/transport/chttp2/transport/chttp2_transport.c", 
-      "src/core/ext/transport/chttp2/transport/chttp2_transport.h", 
-      "src/core/ext/transport/chttp2/transport/frame.h", 
-      "src/core/ext/transport/chttp2/transport/frame_data.c", 
-      "src/core/ext/transport/chttp2/transport/frame_data.h", 
-      "src/core/ext/transport/chttp2/transport/frame_goaway.c", 
-      "src/core/ext/transport/chttp2/transport/frame_goaway.h", 
-      "src/core/ext/transport/chttp2/transport/frame_ping.c", 
-      "src/core/ext/transport/chttp2/transport/frame_ping.h", 
-      "src/core/ext/transport/chttp2/transport/frame_rst_stream.c", 
-      "src/core/ext/transport/chttp2/transport/frame_rst_stream.h", 
-      "src/core/ext/transport/chttp2/transport/frame_settings.c", 
-      "src/core/ext/transport/chttp2/transport/frame_settings.h", 
-      "src/core/ext/transport/chttp2/transport/frame_window_update.c", 
-      "src/core/ext/transport/chttp2/transport/frame_window_update.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_encoder.c", 
-      "src/core/ext/transport/chttp2/transport/hpack_encoder.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_parser.c", 
-      "src/core/ext/transport/chttp2/transport/hpack_parser.h", 
-      "src/core/ext/transport/chttp2/transport/hpack_table.c", 
-      "src/core/ext/transport/chttp2/transport/hpack_table.h", 
-      "src/core/ext/transport/chttp2/transport/http2_errors.h", 
-      "src/core/ext/transport/chttp2/transport/huffsyms.c", 
-      "src/core/ext/transport/chttp2/transport/huffsyms.h", 
-      "src/core/ext/transport/chttp2/transport/incoming_metadata.c", 
-      "src/core/ext/transport/chttp2/transport/incoming_metadata.h", 
-      "src/core/ext/transport/chttp2/transport/internal.h", 
-      "src/core/ext/transport/chttp2/transport/parsing.c", 
-      "src/core/ext/transport/chttp2/transport/status_conversion.c", 
-      "src/core/ext/transport/chttp2/transport/status_conversion.h", 
-      "src/core/ext/transport/chttp2/transport/stream_lists.c", 
-      "src/core/ext/transport/chttp2/transport/stream_map.c", 
-      "src/core/ext/transport/chttp2/transport/stream_map.h", 
-      "src/core/ext/transport/chttp2/transport/timeout_encoding.c", 
-      "src/core/ext/transport/chttp2/transport/timeout_encoding.h", 
-      "src/core/ext/transport/chttp2/transport/varint.c", 
-      "src/core/ext/transport/chttp2/transport/varint.h", 
-      "src/core/ext/transport/chttp2/transport/writing.c", 
-      "src/core/lib/channel/channel_args.c", 
-      "src/core/lib/channel/channel_args.h", 
-      "src/core/lib/channel/channel_stack.c", 
-      "src/core/lib/channel/channel_stack.h", 
-      "src/core/lib/channel/channel_stack_builder.c", 
-      "src/core/lib/channel/channel_stack_builder.h", 
-      "src/core/lib/channel/client_channel.c", 
-      "src/core/lib/channel/client_channel.h", 
-      "src/core/lib/channel/compress_filter.c", 
-      "src/core/lib/channel/compress_filter.h", 
-      "src/core/lib/channel/connected_channel.c", 
-      "src/core/lib/channel/connected_channel.h", 
-      "src/core/lib/channel/context.h", 
-      "src/core/lib/channel/http_client_filter.c", 
-      "src/core/lib/channel/http_client_filter.h", 
-      "src/core/lib/channel/http_server_filter.c", 
-      "src/core/lib/channel/http_server_filter.h", 
-      "src/core/lib/channel/subchannel_call_holder.c", 
-      "src/core/lib/channel/subchannel_call_holder.h", 
-      "src/core/lib/client_config/client_config.c", 
-      "src/core/lib/client_config/client_config.h", 
-      "src/core/lib/client_config/connector.c", 
-      "src/core/lib/client_config/connector.h", 
-      "src/core/lib/client_config/default_initial_connect_string.c", 
-      "src/core/lib/client_config/initial_connect_string.c", 
-      "src/core/lib/client_config/initial_connect_string.h", 
-      "src/core/lib/client_config/lb_policy.c", 
-      "src/core/lib/client_config/lb_policy.h", 
-      "src/core/lib/client_config/lb_policy_factory.c", 
-      "src/core/lib/client_config/lb_policy_factory.h", 
-      "src/core/lib/client_config/lb_policy_registry.c", 
-      "src/core/lib/client_config/lb_policy_registry.h", 
-      "src/core/lib/client_config/resolver.c", 
-      "src/core/lib/client_config/resolver.h", 
-      "src/core/lib/client_config/resolver_factory.c", 
-      "src/core/lib/client_config/resolver_factory.h", 
-      "src/core/lib/client_config/resolver_registry.c", 
-      "src/core/lib/client_config/resolver_registry.h", 
-      "src/core/lib/client_config/subchannel.c", 
-      "src/core/lib/client_config/subchannel.h", 
-      "src/core/lib/client_config/subchannel_factory.c", 
-      "src/core/lib/client_config/subchannel_factory.h", 
-      "src/core/lib/client_config/subchannel_index.c", 
-      "src/core/lib/client_config/subchannel_index.h", 
-      "src/core/lib/client_config/uri_parser.c", 
-      "src/core/lib/client_config/uri_parser.h", 
-      "src/core/lib/compression/algorithm_metadata.h", 
-      "src/core/lib/compression/compression_algorithm.c", 
-      "src/core/lib/compression/message_compress.c", 
-      "src/core/lib/compression/message_compress.h", 
-      "src/core/lib/debug/trace.c", 
-      "src/core/lib/debug/trace.h", 
-      "src/core/lib/http/format_request.c", 
-      "src/core/lib/http/format_request.h", 
-      "src/core/lib/http/httpcli.c", 
-      "src/core/lib/http/httpcli.h", 
-      "src/core/lib/http/parser.c", 
-      "src/core/lib/http/parser.h", 
-      "src/core/lib/iomgr/closure.c", 
-      "src/core/lib/iomgr/closure.h", 
-      "src/core/lib/iomgr/endpoint.c", 
-      "src/core/lib/iomgr/endpoint.h", 
-      "src/core/lib/iomgr/endpoint_pair.h", 
-      "src/core/lib/iomgr/endpoint_pair_posix.c", 
-      "src/core/lib/iomgr/endpoint_pair_windows.c", 
-      "src/core/lib/iomgr/ev_poll_and_epoll_posix.c", 
-      "src/core/lib/iomgr/ev_poll_and_epoll_posix.h", 
-      "src/core/lib/iomgr/ev_posix.c", 
-      "src/core/lib/iomgr/ev_posix.h", 
-      "src/core/lib/iomgr/exec_ctx.c", 
-      "src/core/lib/iomgr/exec_ctx.h", 
-      "src/core/lib/iomgr/executor.c", 
-      "src/core/lib/iomgr/executor.h", 
-      "src/core/lib/iomgr/iocp_windows.c", 
-      "src/core/lib/iomgr/iocp_windows.h", 
-      "src/core/lib/iomgr/iomgr.c", 
-      "src/core/lib/iomgr/iomgr.h", 
-      "src/core/lib/iomgr/iomgr_internal.h", 
-      "src/core/lib/iomgr/iomgr_posix.c", 
-      "src/core/lib/iomgr/iomgr_posix.h", 
-      "src/core/lib/iomgr/iomgr_windows.c", 
-      "src/core/lib/iomgr/pollset.h", 
-      "src/core/lib/iomgr/pollset_set.h", 
-      "src/core/lib/iomgr/pollset_set_windows.c", 
-      "src/core/lib/iomgr/pollset_set_windows.h", 
-      "src/core/lib/iomgr/pollset_windows.c", 
-      "src/core/lib/iomgr/pollset_windows.h", 
-      "src/core/lib/iomgr/resolve_address.h", 
-      "src/core/lib/iomgr/resolve_address_posix.c", 
-      "src/core/lib/iomgr/resolve_address_windows.c", 
-      "src/core/lib/iomgr/sockaddr.h", 
-      "src/core/lib/iomgr/sockaddr_posix.h", 
-      "src/core/lib/iomgr/sockaddr_utils.c", 
-      "src/core/lib/iomgr/sockaddr_utils.h", 
-      "src/core/lib/iomgr/sockaddr_win32.h", 
-      "src/core/lib/iomgr/socket_utils_common_posix.c", 
-      "src/core/lib/iomgr/socket_utils_linux.c", 
-      "src/core/lib/iomgr/socket_utils_posix.c", 
-      "src/core/lib/iomgr/socket_utils_posix.h", 
-      "src/core/lib/iomgr/socket_windows.c", 
-      "src/core/lib/iomgr/socket_windows.h", 
-      "src/core/lib/iomgr/tcp_client.h", 
-      "src/core/lib/iomgr/tcp_client_posix.c", 
-      "src/core/lib/iomgr/tcp_client_windows.c", 
-      "src/core/lib/iomgr/tcp_posix.c", 
-      "src/core/lib/iomgr/tcp_posix.h", 
-      "src/core/lib/iomgr/tcp_server.h", 
-      "src/core/lib/iomgr/tcp_server_posix.c", 
-      "src/core/lib/iomgr/tcp_server_windows.c", 
-      "src/core/lib/iomgr/tcp_windows.c", 
-      "src/core/lib/iomgr/tcp_windows.h", 
-      "src/core/lib/iomgr/time_averaged_stats.c", 
-      "src/core/lib/iomgr/time_averaged_stats.h", 
-      "src/core/lib/iomgr/timer.c", 
-      "src/core/lib/iomgr/timer.h", 
-      "src/core/lib/iomgr/timer_heap.c", 
-      "src/core/lib/iomgr/timer_heap.h", 
-      "src/core/lib/iomgr/udp_server.c", 
-      "src/core/lib/iomgr/udp_server.h", 
-      "src/core/lib/iomgr/unix_sockets_posix.c", 
-      "src/core/lib/iomgr/unix_sockets_posix.h", 
-      "src/core/lib/iomgr/unix_sockets_posix_noop.c", 
-      "src/core/lib/iomgr/wakeup_fd_eventfd.c", 
-      "src/core/lib/iomgr/wakeup_fd_nospecial.c", 
-      "src/core/lib/iomgr/wakeup_fd_pipe.c", 
-      "src/core/lib/iomgr/wakeup_fd_pipe.h", 
-      "src/core/lib/iomgr/wakeup_fd_posix.c", 
-      "src/core/lib/iomgr/wakeup_fd_posix.h", 
-      "src/core/lib/iomgr/workqueue.h", 
-      "src/core/lib/iomgr/workqueue_posix.c", 
-      "src/core/lib/iomgr/workqueue_posix.h", 
-      "src/core/lib/iomgr/workqueue_windows.c", 
-      "src/core/lib/iomgr/workqueue_windows.h", 
-      "src/core/lib/json/json.c", 
-      "src/core/lib/json/json.h", 
-      "src/core/lib/json/json_common.h", 
-      "src/core/lib/json/json_reader.c", 
-      "src/core/lib/json/json_reader.h", 
-      "src/core/lib/json/json_string.c", 
-      "src/core/lib/json/json_writer.c", 
-      "src/core/lib/json/json_writer.h", 
-      "src/core/lib/surface/alarm.c", 
-      "src/core/lib/surface/api_trace.c", 
-      "src/core/lib/surface/api_trace.h", 
-      "src/core/lib/surface/byte_buffer.c", 
-      "src/core/lib/surface/byte_buffer_reader.c", 
-      "src/core/lib/surface/call.c", 
-      "src/core/lib/surface/call.h", 
-      "src/core/lib/surface/call_details.c", 
-      "src/core/lib/surface/call_log_batch.c", 
-      "src/core/lib/surface/call_test_only.h", 
-      "src/core/lib/surface/channel.c", 
-      "src/core/lib/surface/channel.h", 
-      "src/core/lib/surface/channel_connectivity.c", 
-      "src/core/lib/surface/channel_init.c", 
-      "src/core/lib/surface/channel_init.h", 
-      "src/core/lib/surface/channel_ping.c", 
-      "src/core/lib/surface/channel_stack_type.c", 
-      "src/core/lib/surface/channel_stack_type.h", 
-      "src/core/lib/surface/completion_queue.c", 
-      "src/core/lib/surface/completion_queue.h", 
-      "src/core/lib/surface/event_string.c", 
-      "src/core/lib/surface/event_string.h", 
-      "src/core/lib/surface/init.c", 
-      "src/core/lib/surface/init.h", 
-      "src/core/lib/surface/init_unsecure.c", 
-      "src/core/lib/surface/lame_client.c", 
-      "src/core/lib/surface/lame_client.h", 
-      "src/core/lib/surface/metadata_array.c", 
-      "src/core/lib/surface/server.c", 
-      "src/core/lib/surface/server.h", 
-      "src/core/lib/surface/surface_trace.h", 
-      "src/core/lib/surface/validate_metadata.c", 
-      "src/core/lib/surface/version.c", 
-      "src/core/lib/transport/byte_stream.c", 
-      "src/core/lib/transport/byte_stream.h", 
-      "src/core/lib/transport/connectivity_state.c", 
-      "src/core/lib/transport/connectivity_state.h", 
-      "src/core/lib/transport/metadata.c", 
-      "src/core/lib/transport/metadata.h", 
-      "src/core/lib/transport/metadata_batch.c", 
-      "src/core/lib/transport/metadata_batch.h", 
-      "src/core/lib/transport/static_metadata.c", 
-      "src/core/lib/transport/static_metadata.h", 
-      "src/core/lib/transport/transport.c", 
-      "src/core/lib/transport/transport.h", 
-      "src/core/lib/transport/transport_impl.h", 
-      "src/core/lib/transport/transport_op_string.c", 
-      "src/core/plugin_registry/grpc_unsecure_plugin_registry.c"
+      "src/core/lib/surface/init_unsecure.c"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -5083,324 +4153,29 @@
   }, 
   {
     "deps": [
-      "grpc"
+      "grpc", 
+      "grpc++_base", 
+      "grpc++_codegen"
     ], 
     "headers": [
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-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/create_channel_internal.h", 
       "src/cpp/client/secure_credentials.h", 
       "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
       "src/cpp/common/secure_auth_context.h", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/secure_server_credentials.h", 
-      "src/cpp/server/thread_pool_interface.h"
+      "src/cpp/server/secure_server_credentials.h"
     ], 
     "language": "c++", 
     "name": "grpc++", 
     "src": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/channel.cc", 
-      "src/cpp/client/client_context.cc", 
-      "src/cpp/client/create_channel.cc", 
-      "src/cpp/client/create_channel_internal.cc", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/client/credentials.cc", 
-      "src/cpp/client/generic_stub.cc", 
-      "src/cpp/client/insecure_credentials.cc", 
       "src/cpp/client/secure_credentials.cc", 
       "src/cpp/client/secure_credentials.h", 
-      "src/cpp/codegen/codegen_init.cc", 
       "src/cpp/common/auth_property_iterator.cc", 
-      "src/cpp/common/channel_arguments.cc", 
-      "src/cpp/common/completion_queue.cc", 
-      "src/cpp/common/core_codegen.cc", 
       "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/common/rpc_method.cc", 
       "src/cpp/common/secure_auth_context.cc", 
       "src/cpp/common/secure_auth_context.h", 
       "src/cpp/common/secure_channel_arguments.cc", 
       "src/cpp/common/secure_create_auth_context.cc", 
-      "src/cpp/server/async_generic_service.cc", 
-      "src/cpp/server/create_default_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/insecure_server_credentials.cc", 
       "src/cpp/server/secure_server_credentials.cc", 
-      "src/cpp/server/secure_server_credentials.h", 
-      "src/cpp/server/server.cc", 
-      "src/cpp/server/server_builder.cc", 
-      "src/cpp/server/server_context.cc", 
-      "src/cpp/server/server_credentials.cc", 
-      "src/cpp/server/thread_pool_interface.h", 
-      "src/cpp/util/byte_buffer.cc", 
-      "src/cpp/util/slice.cc", 
-      "src/cpp/util/status.cc", 
-      "src/cpp/util/string_ref.cc", 
-      "src/cpp/util/time.cc"
-    ], 
-    "third_party": false, 
-    "type": "lib"
-  }, 
-  {
-    "deps": [], 
-    "headers": [
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
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-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
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-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
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-      "include/grpc++/impl/codegen/status.h", 
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-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
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-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc/impl/codegen/alloc.h", 
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-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
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-      "include/grpc/impl/codegen/propagation_bits.h", 
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-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h"
-    ], 
-    "language": "c++", 
-    "name": "grpc++_codegen_lib", 
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-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/byte_buffer.h", 
-      "include/grpc/impl/codegen/compression_types.h", 
-      "include/grpc/impl/codegen/connectivity_state.h", 
-      "include/grpc/impl/codegen/grpc_types.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/propagation_bits.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/status.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
-      "src/cpp/codegen/codegen_init.cc"
+      "src/cpp/server/secure_server_credentials.h"
     ], 
     "third_party": false, 
     "type": "lib"
@@ -5463,224 +4238,25 @@
   {
     "deps": [
       "gpr", 
+      "grpc", 
+      "grpc++_base", 
+      "grpc++_codegen", 
       "grpc_unsecure"
     ], 
-    "headers": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/thread_pool_interface.h"
-    ], 
+    "headers": [], 
     "language": "c++", 
     "name": "grpc++_unsecure", 
     "src": [
-      "include/grpc++/alarm.h", 
-      "include/grpc++/channel.h", 
-      "include/grpc++/client_context.h", 
-      "include/grpc++/completion_queue.h", 
-      "include/grpc++/create_channel.h", 
-      "include/grpc++/generic/async_generic_service.h", 
-      "include/grpc++/generic/generic_stub.h", 
-      "include/grpc++/grpc++.h", 
-      "include/grpc++/impl/call.h", 
-      "include/grpc++/impl/client_unary_call.h", 
-      "include/grpc++/impl/codegen/async_stream.h", 
-      "include/grpc++/impl/codegen/async_unary_call.h", 
-      "include/grpc++/impl/codegen/call.h", 
-      "include/grpc++/impl/codegen/call_hook.h", 
-      "include/grpc++/impl/codegen/channel_interface.h", 
-      "include/grpc++/impl/codegen/client_context.h", 
-      "include/grpc++/impl/codegen/client_unary_call.h", 
-      "include/grpc++/impl/codegen/completion_queue.h", 
-      "include/grpc++/impl/codegen/completion_queue_tag.h", 
-      "include/grpc++/impl/codegen/config.h", 
-      "include/grpc++/impl/codegen/config_protobuf.h", 
-      "include/grpc++/impl/codegen/core_codegen_interface.h", 
-      "include/grpc++/impl/codegen/grpc_library.h", 
-      "include/grpc++/impl/codegen/method_handler_impl.h", 
-      "include/grpc++/impl/codegen/proto_utils.h", 
-      "include/grpc++/impl/codegen/rpc_method.h", 
-      "include/grpc++/impl/codegen/rpc_service_method.h", 
-      "include/grpc++/impl/codegen/security/auth_context.h", 
-      "include/grpc++/impl/codegen/serialization_traits.h", 
-      "include/grpc++/impl/codegen/server_context.h", 
-      "include/grpc++/impl/codegen/server_interface.h", 
-      "include/grpc++/impl/codegen/service_type.h", 
-      "include/grpc++/impl/codegen/status.h", 
-      "include/grpc++/impl/codegen/status_code_enum.h", 
-      "include/grpc++/impl/codegen/string_ref.h", 
-      "include/grpc++/impl/codegen/stub_options.h", 
-      "include/grpc++/impl/codegen/sync.h", 
-      "include/grpc++/impl/codegen/sync_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_no_cxx11.h", 
-      "include/grpc++/impl/codegen/sync_stream.h", 
-      "include/grpc++/impl/codegen/time.h", 
-      "include/grpc++/impl/grpc_library.h", 
-      "include/grpc++/impl/method_handler_impl.h", 
-      "include/grpc++/impl/proto_utils.h", 
-      "include/grpc++/impl/rpc_method.h", 
-      "include/grpc++/impl/rpc_service_method.h", 
-      "include/grpc++/impl/serialization_traits.h", 
-      "include/grpc++/impl/server_builder_option.h", 
-      "include/grpc++/impl/service_type.h", 
-      "include/grpc++/impl/sync.h", 
-      "include/grpc++/impl/sync_cxx11.h", 
-      "include/grpc++/impl/sync_no_cxx11.h", 
-      "include/grpc++/impl/thd.h", 
-      "include/grpc++/impl/thd_cxx11.h", 
-      "include/grpc++/impl/thd_no_cxx11.h", 
-      "include/grpc++/security/auth_context.h", 
-      "include/grpc++/security/auth_metadata_processor.h", 
-      "include/grpc++/security/credentials.h", 
-      "include/grpc++/security/server_credentials.h", 
-      "include/grpc++/server.h", 
-      "include/grpc++/server_builder.h", 
-      "include/grpc++/server_context.h", 
-      "include/grpc++/support/async_stream.h", 
-      "include/grpc++/support/async_unary_call.h", 
-      "include/grpc++/support/byte_buffer.h", 
-      "include/grpc++/support/channel_arguments.h", 
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc++/support/slice.h", 
-      "include/grpc++/support/status.h", 
-      "include/grpc++/support/status_code_enum.h", 
-      "include/grpc++/support/string_ref.h", 
-      "include/grpc++/support/stub_options.h", 
-      "include/grpc++/support/sync_stream.h", 
-      "include/grpc++/support/time.h", 
-      "src/cpp/client/channel.cc", 
-      "src/cpp/client/client_context.cc", 
-      "src/cpp/client/create_channel.cc", 
-      "src/cpp/client/create_channel_internal.cc", 
-      "src/cpp/client/create_channel_internal.h", 
-      "src/cpp/client/credentials.cc", 
-      "src/cpp/client/generic_stub.cc", 
-      "src/cpp/client/insecure_credentials.cc", 
-      "src/cpp/codegen/codegen_init.cc", 
-      "src/cpp/common/channel_arguments.cc", 
-      "src/cpp/common/completion_queue.cc", 
-      "src/cpp/common/core_codegen.cc", 
-      "src/cpp/common/core_codegen.h", 
-      "src/cpp/common/create_auth_context.h", 
-      "src/cpp/common/insecure_create_auth_context.cc", 
-      "src/cpp/common/rpc_method.cc", 
-      "src/cpp/server/async_generic_service.cc", 
-      "src/cpp/server/create_default_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.cc", 
-      "src/cpp/server/dynamic_thread_pool.h", 
-      "src/cpp/server/insecure_server_credentials.cc", 
-      "src/cpp/server/server.cc", 
-      "src/cpp/server/server_builder.cc", 
-      "src/cpp/server/server_context.cc", 
-      "src/cpp/server/server_credentials.cc", 
-      "src/cpp/server/thread_pool_interface.h", 
-      "src/cpp/util/byte_buffer.cc", 
-      "src/cpp/util/slice.cc", 
-      "src/cpp/util/status.cc", 
-      "src/cpp/util/string_ref.cc", 
-      "src/cpp/util/time.cc"
+      "src/cpp/common/insecure_create_auth_context.cc"
     ], 
     "third_party": false, 
     "type": "lib"
   }, 
   {
     "deps": [
-      "grpc++_codegen_lib"
+      "grpc++_config"
     ], 
     "headers": [
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
       "src/compiler/config.h", 
       "src/compiler/cpp_generator.h", 
       "src/compiler/cpp_generator_helpers.h", 
@@ -5698,22 +4274,6 @@
     "language": "c++", 
     "name": "grpc_plugin_support", 
     "src": [
-      "include/grpc++/support/config.h", 
-      "include/grpc++/support/config_protobuf.h", 
-      "include/grpc/impl/codegen/alloc.h", 
-      "include/grpc/impl/codegen/atm.h", 
-      "include/grpc/impl/codegen/atm_gcc_atomic.h", 
-      "include/grpc/impl/codegen/atm_gcc_sync.h", 
-      "include/grpc/impl/codegen/atm_win32.h", 
-      "include/grpc/impl/codegen/log.h", 
-      "include/grpc/impl/codegen/port_platform.h", 
-      "include/grpc/impl/codegen/slice.h", 
-      "include/grpc/impl/codegen/slice_buffer.h", 
-      "include/grpc/impl/codegen/sync.h", 
-      "include/grpc/impl/codegen/sync_generic.h", 
-      "include/grpc/impl/codegen/sync_posix.h", 
-      "include/grpc/impl/codegen/sync_win32.h", 
-      "include/grpc/impl/codegen/time.h", 
       "src/compiler/config.h", 
       "src/compiler/cpp_generator.cc", 
       "src/compiler/cpp_generator.h", 
@@ -6572,6 +5132,7 @@
       "test/core/end2end/tests/default_host.c", 
       "test/core/end2end/tests/disappearing_server.c", 
       "test/core/end2end/tests/empty_batch.c", 
+      "test/core/end2end/tests/filter_causes_close.c", 
       "test/core/end2end/tests/graceful_server_shutdown.c", 
       "test/core/end2end/tests/high_initial_seqno.c", 
       "test/core/end2end/tests/hpack_size.c", 
@@ -6629,6 +5190,7 @@
       "test/core/end2end/tests/default_host.c", 
       "test/core/end2end/tests/disappearing_server.c", 
       "test/core/end2end/tests/empty_batch.c", 
+      "test/core/end2end/tests/filter_causes_close.c", 
       "test/core/end2end/tests/graceful_server_shutdown.c", 
       "test/core/end2end/tests/high_initial_seqno.c", 
       "test/core/end2end/tests/hpack_size.c", 
@@ -6655,5 +5217,1153 @@
     ], 
     "third_party": false, 
     "type": "lib"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base"
+    ], 
+    "headers": [
+      "include/grpc/census.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/rpc_metric_id.h"
+    ], 
+    "language": "c", 
+    "name": "census", 
+    "src": [
+      "include/grpc/census.h", 
+      "src/core/ext/census/aggregation.h", 
+      "src/core/ext/census/census_interface.h", 
+      "src/core/ext/census/census_rpc_stats.h", 
+      "src/core/ext/census/context.c", 
+      "src/core/ext/census/grpc_context.c", 
+      "src/core/ext/census/grpc_filter.c", 
+      "src/core/ext/census/grpc_filter.h", 
+      "src/core/ext/census/grpc_plugin.c", 
+      "src/core/ext/census/initialize.c", 
+      "src/core/ext/census/mlog.c", 
+      "src/core/ext/census/mlog.h", 
+      "src/core/ext/census/operation.c", 
+      "src/core/ext/census/placeholders.c", 
+      "src/core/ext/census/rpc_metric_id.h", 
+      "src/core/ext/census/tracing.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr_codegen"
+    ], 
+    "headers": [
+      "include/grpc/support/alloc.h", 
+      "include/grpc/support/atm.h", 
+      "include/grpc/support/atm_gcc_atomic.h", 
+      "include/grpc/support/atm_gcc_sync.h", 
+      "include/grpc/support/atm_win32.h", 
+      "include/grpc/support/avl.h", 
+      "include/grpc/support/cmdline.h", 
+      "include/grpc/support/cpu.h", 
+      "include/grpc/support/histogram.h", 
+      "include/grpc/support/host_port.h", 
+      "include/grpc/support/log.h", 
+      "include/grpc/support/log_win32.h", 
+      "include/grpc/support/port_platform.h", 
+      "include/grpc/support/slice.h", 
+      "include/grpc/support/slice_buffer.h", 
+      "include/grpc/support/string_util.h", 
+      "include/grpc/support/subprocess.h", 
+      "include/grpc/support/sync.h", 
+      "include/grpc/support/sync_generic.h", 
+      "include/grpc/support/sync_posix.h", 
+      "include/grpc/support/sync_win32.h", 
+      "include/grpc/support/thd.h", 
+      "include/grpc/support/time.h", 
+      "include/grpc/support/tls.h", 
+      "include/grpc/support/tls_gcc.h", 
+      "include/grpc/support/tls_msvc.h", 
+      "include/grpc/support/tls_pthread.h", 
+      "include/grpc/support/useful.h", 
+      "src/core/lib/profiling/timers.h", 
+      "src/core/lib/support/backoff.h", 
+      "src/core/lib/support/block_annotate.h", 
+      "src/core/lib/support/env.h", 
+      "src/core/lib/support/load_file.h", 
+      "src/core/lib/support/murmur_hash.h", 
+      "src/core/lib/support/stack_lockfree.h", 
+      "src/core/lib/support/string.h", 
+      "src/core/lib/support/string_win32.h", 
+      "src/core/lib/support/thd_internal.h", 
+      "src/core/lib/support/time_precise.h", 
+      "src/core/lib/support/tmpfile.h"
+    ], 
+    "language": "c", 
+    "name": "gpr_base", 
+    "src": [
+      "include/grpc/support/alloc.h", 
+      "include/grpc/support/atm.h", 
+      "include/grpc/support/atm_gcc_atomic.h", 
+      "include/grpc/support/atm_gcc_sync.h", 
+      "include/grpc/support/atm_win32.h", 
+      "include/grpc/support/avl.h", 
+      "include/grpc/support/cmdline.h", 
+      "include/grpc/support/cpu.h", 
+      "include/grpc/support/histogram.h", 
+      "include/grpc/support/host_port.h", 
+      "include/grpc/support/log.h", 
+      "include/grpc/support/log_win32.h", 
+      "include/grpc/support/port_platform.h", 
+      "include/grpc/support/slice.h", 
+      "include/grpc/support/slice_buffer.h", 
+      "include/grpc/support/string_util.h", 
+      "include/grpc/support/subprocess.h", 
+      "include/grpc/support/sync.h", 
+      "include/grpc/support/sync_generic.h", 
+      "include/grpc/support/sync_posix.h", 
+      "include/grpc/support/sync_win32.h", 
+      "include/grpc/support/thd.h", 
+      "include/grpc/support/time.h", 
+      "include/grpc/support/tls.h", 
+      "include/grpc/support/tls_gcc.h", 
+      "include/grpc/support/tls_msvc.h", 
+      "include/grpc/support/tls_pthread.h", 
+      "include/grpc/support/useful.h", 
+      "src/core/lib/profiling/basic_timers.c", 
+      "src/core/lib/profiling/stap_timers.c", 
+      "src/core/lib/profiling/timers.h", 
+      "src/core/lib/support/alloc.c", 
+      "src/core/lib/support/avl.c", 
+      "src/core/lib/support/backoff.c", 
+      "src/core/lib/support/backoff.h", 
+      "src/core/lib/support/block_annotate.h", 
+      "src/core/lib/support/cmdline.c", 
+      "src/core/lib/support/cpu_iphone.c", 
+      "src/core/lib/support/cpu_linux.c", 
+      "src/core/lib/support/cpu_posix.c", 
+      "src/core/lib/support/cpu_windows.c", 
+      "src/core/lib/support/env.h", 
+      "src/core/lib/support/env_linux.c", 
+      "src/core/lib/support/env_posix.c", 
+      "src/core/lib/support/env_win32.c", 
+      "src/core/lib/support/histogram.c", 
+      "src/core/lib/support/host_port.c", 
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+      "src/core/ext/transport/chttp2/transport/varint.c", 
+      "src/core/ext/transport/chttp2/transport/varint.h", 
+      "src/core/ext/transport/chttp2/transport/writing.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr"
+    ], 
+    "headers": [
+      "src/core/ext/transport/chttp2/alpn/alpn.h"
+    ], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_alpn", 
+    "src": [
+      "src/core/ext/transport/chttp2/alpn/alpn.c", 
+      "src/core/ext/transport/chttp2/alpn/alpn.h"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_client_config", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_client_insecure", 
+    "src": [
+      "src/core/ext/transport/chttp2/client/insecure/channel_create.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_client_config", 
+      "grpc_secure", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_client_secure", 
+    "src": [
+      "src/core/ext/transport/chttp2/client/secure/secure_channel_create.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_server_insecure", 
+    "src": [
+      "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc_base", 
+      "grpc_secure", 
+      "grpc_transport_chttp2"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "grpc_transport_chttp2_server_secure", 
+    "src": [
+      "src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c"
+    ], 
+    "third_party": false, 
+    "type": "filegroup"
+  }, 
+  {
+    "deps": [], 
+    "headers": [
+      "third_party/nanopb/pb.h", 
+      "third_party/nanopb/pb_common.h", 
+      "third_party/nanopb/pb_decode.h", 
+      "third_party/nanopb/pb_encode.h"
+    ], 
+    "language": "c", 
+    "name": "nanopb", 
+    "src": [], 
+    "third_party": false, 
+    "type": "filegroup"
   }
 ]
diff --git a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
index f9b1667..62ca8af 100644
--- a/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
+++ b/tools/run_tests/stress_test/STRESS_CLIENT_SPEC.md
@@ -19,7 +19,7 @@
 ----------------------|---------------------------------

 `--server_addresses`    | The stress client should accept a list of server addresses in the following format:<br> ```<name_1>:<port_1>,<name_2>:<port_2>..<name_N>:<port_N>``` <br> _Note:_ `<name>` can be either server name or IP address.<br><br>_Type:_ string <br>_default:_ ```localhost:8080``` <br>_Example:_ ``foo.foobar.com:8080,bar.foobar.com:8080`` <br><br> Currently, the stress test framework only passes one server address to the client.

 `--test_cases`        |   List of test cases along with the relative weights in the following format:<br> `<testcase_1:w_1>,<testcase_2:w_2>...<testcase_n:w_n>`. <br> The test cases names are the same as those currently used by the interop clients<br><br>_Type:_ string <br>_Example:_ `empty_unary:20,large_unary:10,empty_stream:70` <br>(The stress client would then make `empty_unary` calls 20% of the time, `large_unary` calls 10% of the time and `empty_stream` calls 70% of the time.) <br>_Note:_ The weights need not add up to 100.

-`--test_duration-secs`      | The test duration in seconds. A value of -1 means that the test should run forever until forcefully terminated. <br>_Type:_ int <br>_default:_ -1

+`--test_duration_secs`      | The test duration in seconds. A value of -1 means that the test should run forever until forcefully terminated. <br>_Type:_ int <br>_default:_ -1

 `--num_channels_per_server` | Number of channels (i.e connections) to each server. <br> _Type:_ int <br> _default:_ 1 <br><br> _Note:_ Unfortunately, the term `channel` is used differently in `grpc-java` and `C based grpc`. In this context, this really means "number of connections to the server"

 `--num_stubs_per_channel `  | Number of client stubs per each connection to server.<br>_Type:_ int <br>_default:_ 1

 `--metrics_port`            | The port at which the stress client exposes [QPS metrics](https://github.com/grpc/grpc/blob/master/src/proto/grpc/testing/metrics.proto). <br>_Type:_ int <br>_default:_ 8081

diff --git a/tools/run_tests/stress_test/configs/asan.json b/tools/run_tests/stress_test/configs/asan.json
new file mode 100644
index 0000000..768088d
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/asan.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_asan" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "asan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs":60
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_asan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_asan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-asan": {
+        "serverTemplate": "cxx_server_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-asan": {
+        "clientTemplate": "cxx_client_asan",
+        "dockerImage": "grpc_stress_cxx_asan",
+        "numInstances": 20,
+        "serverPodSpec": "stress-server-asan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8003,
+    "datasetIdNamePrefix": "stress_test_asan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/node-cxx.json b/tools/run_tests/stress_test/configs/node-cxx.json
new file mode 100644
index 0000000..c4245bf
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/node-cxx.json
@@ -0,0 +1,97 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_opt" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "opt"
+    },
+   "grpc_stress_node": {
+     "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+     "dockerFileDir": "grpc_interop_stress_node"
+   }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "node_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_opt": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-cxx-opt": {
+        "serverTemplate": "cxx_server_opt",
+        "dockerImage": "grpc_stress_cxx_opt",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-node": {
+        "clientTemplate": "node_client",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 20,
+        "serverPodSpec": "stress-server-cxx-opt"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8006,
+    "datasetIdNamePrefix": "stress_test_node_cxx_opt",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/node.json b/tools/run_tests/stress_test/configs/node.json
new file mode 100644
index 0000000..7a48c56
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/node.json
@@ -0,0 +1,96 @@
+{
+  "dockerImages": {
+    "grpc_stress_node" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_node"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "node_client": {
+        "baseTemplate": "default",
+        "stressClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/stress_client.js"
+        ],
+        "metricsClientCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/stress/metrics_client.js"
+        ]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "node_server": {
+        "baseTemplate": "default",
+        "stressServerCmd": [
+          "/var/local/git/grpc/tools/gcp/stress_test/run_node.sh",
+          "node",
+          "/var/local/git/grpc/src/node/interop/interop_server.js"
+        ]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "node-stress-server": {
+        "serverTemplate": "node_server",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "node-stress-client": {
+        "clientTemplate": "node_client",
+        "dockerImage": "grpc_stress_node",
+        "numInstances": 15,
+        "serverPodSpec": "node-stress-server"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8005,
+    "datasetIdNamePrefix": "stress_test_node",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/configs/opt-tsan-asan.json b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
index 1dc2d3f..4f172ef 100644
--- a/tools/run_tests/stress_test/configs/opt-tsan-asan.json
+++ b/tools/run_tests/stress_test/configs/opt-tsan-asan.json
@@ -27,7 +27,7 @@
           "num_stubs_per_channel":10,
           "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
           "metrics_port": 8081,
-          "metrics_collection_interval_secs":60
+          "metrics_collection_interval_secs": 60
         },
         "metricsPort": 8081,
         "metricsArgs": {
@@ -39,18 +39,18 @@
     "templates": {
       "cxx_client_opt": {
         "baseTemplate": "default",
-        "clientImagePath": "/var/local/git/grpc/bins/opt/stress_test",
-        "metricsClientImagePath": "/var/local/git/grpc/bins/opt/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
       },
       "cxx_client_tsan": {
         "baseTemplate": "default",
-        "clientImagePath": "/var/local/git/grpc/bins/tsan/stress_test",
-        "metricsClientImagePath": "/var/local/git/grpc/bins/tsan/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
       },
     "cxx_client_asan": {
         "baseTemplate": "default",
-        "clientImagePath": "/var/local/git/grpc/bins/asan/stress_test",
-        "metricsClientImagePath": "/var/local/git/grpc/bins/asan/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/asan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/asan/metrics_client"]
       }
     }
   },
@@ -68,15 +68,15 @@
     "templates": {
       "cxx_server_opt": {
         "baseTemplate": "default",
-        "serverImagePath": "/var/local/git/grpc/bins/opt/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
       },
       "cxx_server_tsan": {
         "baseTemplate": "default",
-        "serverImagePath": "/var/local/git/grpc/bins/tsan/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
       },
     "cxx_server_asan": {
         "baseTemplate": "default",
-        "serverImagePath": "/var/local/git/grpc/bins/asan/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/asan/interop_server"]
       }
     }
   },
@@ -104,19 +104,19 @@
       "stress-client-opt": {
         "clientTemplate": "cxx_client_opt",
         "dockerImage": "grpc_stress_cxx_opt",
-        "numInstances": 3,
+        "numInstances": 5,
         "serverPodSpec": "stress-server-opt"
       },
       "stress-client-tsan": {
         "clientTemplate": "cxx_client_tsan",
         "dockerImage": "grpc_stress_cxx_tsan",
-        "numInstances": 3,
+        "numInstances": 10,
         "serverPodSpec": "stress-server-tsan"
       },
       "stress-client-asan": {
         "clientTemplate": "cxx_client_asan",
         "dockerImage": "grpc_stress_cxx_asan",
-        "numInstances": 3,
+        "numInstances": 10,
         "serverPodSpec": "stress-server-asan"
       }
     }
@@ -126,7 +126,7 @@
     "buildDockerImages": true,
     "pollIntervalSecs": 60,
     "testDurationSecs": 7200,
-    "kubernetesProxyPort": 8001,
+    "kubernetesProxyPort": 8004,
     "datasetIdNamePrefix": "stress_test_opt_tsan",
     "summaryTableId": "summary",
     "qpsTableId": "qps",
diff --git a/tools/run_tests/stress_test/configs/opt.json b/tools/run_tests/stress_test/configs/opt.json
index 7fc0240..ffd4a70 100644
--- a/tools/run_tests/stress_test/configs/opt.json
+++ b/tools/run_tests/stress_test/configs/opt.json
@@ -17,7 +17,7 @@
           "num_stubs_per_channel":10,
           "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
           "metrics_port": 8081,
-          "metrics_collection_interval_secs":60
+          "metrics_collection_interval_secs": 60
         },
         "metricsPort": 8081,
         "metricsArgs": {
@@ -29,8 +29,8 @@
     "templates": {
       "cxx_client_opt": {
         "baseTemplate": "default",
-        "clientImagePath": "/var/local/git/grpc/bins/opt/stress_test",
-        "metricsClientImagePath": "/var/local/git/grpc/bins/opt/metrics_client"
+        "stressClientCmd": ["/var/local/git/grpc/bins/opt/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/opt/metrics_client"]
       }
     }
   },
@@ -48,7 +48,7 @@
     "templates": {
       "cxx_server_opt": {
         "baseTemplate": "default",
-        "serverImagePath": "/var/local/git/grpc/bins/opt/interop_server"
+        "stressServerCmd": ["/var/local/git/grpc/bins/opt/interop_server"]
       }
     }
   },
@@ -74,8 +74,8 @@
 
   "globalSettings": {
     "buildDockerImages": true,
-    "pollIntervalSecs": 10,
-    "testDurationSecs": 120,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
     "kubernetesProxyPort": 8001,
     "datasetIdNamePrefix": "stress_test_opt",
     "summaryTableId": "summary",
diff --git a/tools/run_tests/stress_test/configs/tsan.json b/tools/run_tests/stress_test/configs/tsan.json
new file mode 100644
index 0000000..f8d3f87
--- /dev/null
+++ b/tools/run_tests/stress_test/configs/tsan.json
@@ -0,0 +1,86 @@
+{
+  "dockerImages": {
+    "grpc_stress_cxx_tsan" : {
+      "buildScript": "tools/jenkins/build_interop_stress_image.sh",
+      "dockerFileDir": "grpc_interop_stress_cxx",
+      "buildType": "tsan"
+    }
+  },
+
+  "clientTemplates": {
+    "baseTemplates": {
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_client.py",
+        "pollIntervalSecs": 60,
+        "clientArgs": {
+          "num_channels_per_server":5,
+          "num_stubs_per_channel":10,
+          "test_cases": "empty_unary:1,large_unary:1,client_streaming:1,server_streaming:1,empty_stream:1",
+          "metrics_port": 8081,
+          "metrics_collection_interval_secs":60
+        },
+        "metricsPort": 8081,
+        "metricsArgs": {
+          "metrics_server_address": "localhost:8081",
+          "total_only": "true"
+        }
+      }
+    },
+    "templates": {
+      "cxx_client_tsan": {
+        "baseTemplate": "default",
+        "stressClientCmd": ["/var/local/git/grpc/bins/tsan/stress_test"],
+        "metricsClientCmd": ["/var/local/git/grpc/bins/tsan/metrics_client"]
+      }
+    }
+  },
+
+  "serverTemplates": {
+    "baseTemplates":{
+      "default": {
+        "wrapperScriptPath": "/var/local/git/grpc/tools/gcp/stress_test/run_server.py",
+        "serverPort": 8080,
+        "serverArgs": {
+          "port": 8080
+        }
+      }
+    },
+    "templates": {
+      "cxx_server_tsan": {
+        "baseTemplate": "default",
+        "stressServerCmd": ["/var/local/git/grpc/bins/tsan/interop_server"]
+      }
+    }
+  },
+
+  "testMatrix": {
+    "serverPodSpecs": {
+      "stress-server-tsan": {
+        "serverTemplate": "cxx_server_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 1
+      }
+    },
+
+    "clientPodSpecs": {
+      "stress-client-tsan": {
+        "clientTemplate": "cxx_client_tsan",
+        "dockerImage": "grpc_stress_cxx_tsan",
+        "numInstances": 20,
+        "serverPodSpec": "stress-server-tsan"
+      }
+    }
+  },
+
+  "globalSettings": {
+    "buildDockerImages": true,
+    "pollIntervalSecs": 60,
+    "testDurationSecs": 7200,
+    "kubernetesProxyPort": 8002,
+    "datasetIdNamePrefix": "stress_test_tsan",
+    "summaryTableId": "summary",
+    "qpsTableId": "qps",
+    "podWarmupSecs": 60
+  }
+}
+
diff --git a/tools/run_tests/stress_test/run_on_gke.py b/tools/run_tests/stress_test/run_on_gke.py
index 9d4ac7a..db3ba28 100755
--- a/tools/run_tests/stress_test/run_on_gke.py
+++ b/tools/run_tests/stress_test/run_on_gke.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -67,12 +67,12 @@
 class ClientTemplate:
   """ Contains all the common settings that are used by a stress client """
 
-  def __init__(self, name, client_image_path, metrics_client_image_path,
-               metrics_port, wrapper_script_path, poll_interval_secs,
-               client_args_dict, metrics_args_dict):
+  def __init__(self, name, stress_client_cmd, metrics_client_cmd, metrics_port,
+               wrapper_script_path, poll_interval_secs, client_args_dict,
+               metrics_args_dict):
     self.name = name
-    self.client_image_path = client_image_path
-    self.metrics_client_image_path = metrics_client_image_path
+    self.stress_client_cmd = stress_client_cmd
+    self.metrics_client_cmd = metrics_client_cmd
     self.metrics_port = metrics_port
     self.wrapper_script_path = wrapper_script_path
     self.poll_interval_secs = poll_interval_secs
@@ -83,10 +83,10 @@
 class ServerTemplate:
   """ Contains all the common settings used by a stress server """
 
-  def __init__(self, name, server_image_path, wrapper_script_path, server_port,
+  def __init__(self, name, server_cmd, wrapper_script_path, server_port,
                server_args_dict):
     self.name = name
-    self.server_image_path = server_image_path
+    self.server_cmd = server_cmd
     self.wrapper_script_path = wrapper_script_path
     self.server_port = server_port
     self.server_args_dict = server_args_dict
@@ -240,7 +240,7 @@
     server_env = self.gke_env.copy()
     server_env.update({
         'STRESS_TEST_IMAGE_TYPE': 'SERVER',
-        'STRESS_TEST_IMAGE': server_pod_spec.template.server_image_path,
+        'STRESS_TEST_CMD': server_pod_spec.template.server_cmd,
         'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
             server_pod_spec.template.server_args_dict)
     })
@@ -282,11 +282,10 @@
     client_env = self.gke_env.copy()
     client_env.update({
         'STRESS_TEST_IMAGE_TYPE': 'CLIENT',
-        'STRESS_TEST_IMAGE': client_pod_spec.template.client_image_path,
+        'STRESS_TEST_CMD': client_pod_spec.template.stress_client_cmd,
         'STRESS_TEST_ARGS_STR': self._args_dict_to_str(
             client_pod_spec.get_client_args_dict()),
-        'METRICS_CLIENT_IMAGE':
-            client_pod_spec.template.metrics_client_image_path,
+        'METRICS_CLIENT_CMD': client_pod_spec.template.metrics_client_cmd,
         'METRICS_CLIENT_ARGS_STR': self._args_dict_to_str(
             client_pod_spec.template.metrics_args_dict),
         'POLL_INTERVAL_SECS': str(client_pod_spec.template.poll_interval_secs)
@@ -383,7 +382,7 @@
     for image_name in docker_config_dict.keys():
       build_script_path = docker_config_dict[image_name]['buildScript']
       dockerfile_dir = docker_config_dict[image_name]['dockerFileDir']
-      build_type = docker_config_dict[image_name]['buildType']
+      build_type = docker_config_dict[image_name].get('buildType', 'opt')
       docker_images_dict[image_name] = DockerImage(gcp_project_id, image_name,
                                                    build_script_path,
                                                    dockerfile_dir, build_type)
@@ -416,11 +415,13 @@
       temp_dict.update(templates_dict[template_name])
 
       # Create and add ClientTemplate object to the final client_templates_dict
+      stress_client_cmd = ' '.join(temp_dict['stressClientCmd'])
+      metrics_client_cmd = ' '.join(temp_dict['metricsClientCmd'])
       client_templates_dict[template_name] = ClientTemplate(
-          template_name, temp_dict['clientImagePath'],
-          temp_dict['metricsClientImagePath'], temp_dict['metricsPort'],
-          temp_dict['wrapperScriptPath'], temp_dict['pollIntervalSecs'],
-          temp_dict['clientArgs'].copy(), temp_dict['metricsArgs'].copy())
+          template_name, stress_client_cmd, metrics_client_cmd,
+          temp_dict['metricsPort'], temp_dict['wrapperScriptPath'],
+          temp_dict['pollIntervalSecs'], temp_dict['clientArgs'].copy(),
+          temp_dict['metricsArgs'].copy())
 
     return client_templates_dict
 
@@ -452,10 +453,10 @@
       temp_dict.update(templates_dict[template_name])
 
       # Create and add ServerTemplate object to the final server_templates_dict
+      stress_server_cmd = ' '.join(temp_dict['stressServerCmd'])
       server_templates_dict[template_name] = ServerTemplate(
-          template_name, temp_dict['serverImagePath'],
-          temp_dict['wrapperScriptPath'], temp_dict['serverPort'],
-          temp_dict['serverArgs'].copy())
+          template_name, stress_server_cmd, temp_dict['wrapperScriptPath'],
+          temp_dict['serverPort'], temp_dict['serverArgs'].copy())
 
     return server_templates_dict
 
@@ -529,6 +530,8 @@
   # run id. This is useful in debugging when looking at records in Biq query)
   run_id = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
   dataset_id = '%s_%s' % (config.global_settings.dataset_id_prefix, run_id)
+  print 'Run id:', run_id
+  print 'Dataset id:', dataset_id
 
   bq_helper = BigQueryHelper(run_id, '', '',
                              config.global_settings.gcp_project_id, dataset_id,
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 795b13d..d6e40fe 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -2616,6 +2616,27 @@
       "posix", 
       "windows"
     ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "gtest": false, 
+    "language": "c", 
+    "name": "head_of_line_blocking_bad_client_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "args": [], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
     "cpu_cost": 0.2, 
     "exclude_configs": [], 
     "flaky": false, 
@@ -4604,6 +4625,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -5418,6 +5461,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -6218,6 +6283,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -7009,6 +7095,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -7739,6 +7847,22 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -8415,6 +8539,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+trace_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -9193,6 +9339,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_oauth2_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -9928,6 +10095,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -10558,6 +10746,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -11230,6 +11439,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -11881,6 +12111,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -12630,6 +12881,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -13388,6 +13661,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_proxy_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -14047,6 +14341,26 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -14793,6 +15107,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -15585,6 +15921,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -16377,6 +16735,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -17091,6 +17471,22 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -17745,6 +18141,28 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -18460,6 +18878,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_proxy_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -19069,6 +19508,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -19720,6 +20180,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -20350,6 +20831,27 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -21031,6 +21533,26 @@
   }, 
   {
     "args": [
+      "filter_causes_close"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "graceful_server_shutdown"
     ], 
     "ci_platforms": [
@@ -21491,6 +22013,318 @@
   }, 
   {
     "args": [
+      "--scenario_json", 
+      "'{\"name\": \"generic_async_streaming_ping_pong_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:generic_async_streaming_ping_pong_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"generic_async_streaming_qps_unconstrained_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:generic_async_streaming_qps_unconstrained_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"generic_async_streaming_qps_one_server_core_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:generic_async_streaming_qps_one_server_core_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"protobuf_async_qps_unconstrained_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:protobuf_async_qps_unconstrained_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"single_channel_throughput_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:single_channel_throughput_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"protobuf_async_ping_pong_secure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:protobuf_async_ping_pong_secure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"generic_async_streaming_ping_pong_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:generic_async_streaming_ping_pong_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"generic_async_streaming_qps_unconstrained_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:generic_async_streaming_qps_unconstrained_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"generic_async_streaming_qps_one_server_core_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:generic_async_streaming_qps_one_server_core_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"protobuf_async_qps_unconstrained_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 0}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:protobuf_async_qps_unconstrained_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"single_channel_throughput_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"bytebuf_params\": {\"resp_size\": 65536, \"req_size\": 65536}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:single_channel_throughput_insecure"
+  }, 
+  {
+    "args": [
+      "--scenario_json", 
+      "'{\"name\": \"protobuf_async_ping_pong_insecure\", \"warmup_seconds\": 5, \"benchmark_seconds\": 30, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 4, \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"server_type\": \"ASYNC_GENERIC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 1, \"async_client_threads\": 1, \"outstanding_rpcs_per_channel\": 1, \"rpc_type\": \"STREAMING\", \"load_params\": {\"closed_loop\": {}}}, \"num_clients\": 1}'"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "cpu_cost": 1000.0, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "shortname": "json_run_localhost:protobuf_async_ping_pong_insecure"
+  }, 
+  {
+    "args": [
       "test/core/transport/chttp2/hpack_parser_corpus/0141fcddc9807ee093313b2256f1306fbbdc6cda"
     ], 
     "ci_platforms": [
@@ -24725,6 +25559,28 @@
   }, 
   {
     "args": [
+      "test/core/transport/chttp2/hpack_parser_corpus/7ff3b6239b04479a9caf67f45b2d0c619f712815"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "hpack_parser_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/transport/chttp2/hpack_parser_corpus/8035c81c95dedfc27c3649064f98f49e3e72c21f"
     ], 
     "ci_platforms": [
@@ -27299,6 +28155,28 @@
   }, 
   {
     "args": [
+      "test/core/transport/chttp2/hpack_parser_corpus/d1c7ae01a81a122c2fd7c5d8debcae7566e9ee2f"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "hpack_parser_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/transport/chttp2/hpack_parser_corpus/d2817b89d7aaa7fa880c077b1a67168ec2f4f0f7"
     ], 
     "ci_platforms": [
@@ -28619,6 +29497,28 @@
   }, 
   {
     "args": [
+      "test/core/transport/chttp2/hpack_parser_corpus/ff2c949863eb4e14d9e835c51591304403d91b6c"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "hpack_parser_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/transport/chttp2/hpack_parser_corpus/ff7d6ff060e63355701b2e655c802902338497de"
     ], 
     "ci_platforms": [
@@ -28993,6 +29893,28 @@
   }, 
   {
     "args": [
+      "test/core/http/corpus/3787bcc22ef645e665cc5f722b8a633af86de9cf"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "http_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/http/corpus/3953688866ccb3b4f371f1a858570d6afdb6452d"
     ], 
     "ci_platforms": [
@@ -29587,6 +30509,28 @@
   }, 
   {
     "args": [
+      "test/core/http/corpus/ae8ba95d7dbe99926a8f5bfd80347fd6a4b616a0"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "http_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/http/corpus/b04fea5c041c707db0ad9c09a81672557b52cc47"
     ], 
     "ci_platforms": [
@@ -29697,6 +30641,28 @@
   }, 
   {
     "args": [
+      "test/core/http/corpus/d39c8ee11a697634a09b309460c0bbd967e7effa"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "http_fuzzer_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/http/corpus/d4c3e4cf5d035596433c30eaabbd2b2925f4b453"
     ], 
     "ci_platforms": [
@@ -37793,6 +38759,13734 @@
   }, 
   {
     "args": [
+      "test/core/nanopb/corpus_response/0c35544f40d428d103e9c5b969ad9cd16767b110"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "nanopb_fuzzer_response_test_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/nanopb/corpus_response/0c60ee9ed55c9af6190b132ef6636c1d2abe4540"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
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+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/e9d96662.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/eb66106b.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/eba8472a.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/ed8da77f.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f0387dfdd6b8c925d958113e669ec4a1897034b4"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f1121b952e75463cc71137683dc2528f9cbc19b7"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f3220426.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f3d084cf20b92a5f026fe7cc6e5af49bde28693d"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f4024b01.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f541d27e.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f5424a9d7bd14317b6de7b15587df28bfde8362d"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f5c877c4.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f74b9428.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f7bf0d7bb0dd6e1866ccef9fafc3cb295db2f07f"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f826100f.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f88ffb7f3066f2706cfcd9be077595e07834cc15"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/f8b46e92c7ceb4c2f2cdcb3452a6d8c58768eaa2"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fa36b4280d9e28edd81c5e4d192d1a5c2765e5e4"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fb3b0d80.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fb84edfa9e8cbddba26a7184e7fdc219bde556c0"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fd14bea45ecaf13af0053900edb2f17b71a0bf09"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fd26e0a6.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fd943e69304dffebf47e1e40b0849e12abeee287"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fdf67df81857577361d319e76559c5e85a257b07"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fe1957b9bc7c6bf9d8b6089c422d72a0f444da6e"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fe66893c.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/fe69ddfa5827dd560bb0b5d4da7d982273f17ef9"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/ff227015.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "test/core/end2end/fuzzers/server_fuzzer_corpus/ff898c08.bin"
+    ], 
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "server_fuzzer_one_entry", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
       "test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342"
     ], 
     "ci_platforms": [
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 01c0604..d26c1f8 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -51,6 +51,7 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
@@ -1066,6 +1067,18 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "head_of_line_blocking_bad_client_test", "vcxproj\test\head_of_line_blocking_bad_client_test\head_of_line_blocking_bad_client_test.vcxproj", "{23DF0572-DBF1-08DA-8EAD-8508354C90A4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{BA67B418-B699-E41A-9CC4-0279C49481A5} = {BA67B418-B699-E41A-9CC4-0279C49481A5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "headers_bad_client_test", "vcxproj\test\headers_bad_client_test\headers_bad_client_test.vcxproj", "{7819A11E-607E-F0C0-FC47-C704CF7D818C}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3038,6 +3051,22 @@
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|Win32.Build.0 = Release|Win32
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|x64.ActiveCfg = Release|x64
 		{AF9D0EB2-2A53-B815-3A63-E82C7F91DB29}.Release-DLL|x64.Build.0 = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|x64.ActiveCfg = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|Win32.ActiveCfg = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|x64.ActiveCfg = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|Win32.Build.0 = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug|x64.Build.0 = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|Win32.Build.0 = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release|x64.Build.0 = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{23DF0572-DBF1-08DA-8EAD-8508354C90A4}.Release-DLL|x64.Build.0 = Release|x64
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Debug|x64.ActiveCfg = Debug|x64
 		{7819A11E-607E-F0C0-FC47-C704CF7D818C}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 650b857..b46dee7 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -51,6 +51,7 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_unsecure", "vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj", "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
@@ -100,11 +101,6 @@
 		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_codegen_lib", "vcxproj\.\grpc++_codegen_lib\grpc++_codegen_lib.vcxproj", "{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}"
-	ProjectSection(myProperties) = preProject
-        	lib = "True"
-	EndProjectSection
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++_unsecure", "vcxproj\.\grpc++_unsecure\grpc++_unsecure.vcxproj", "{6EE56155-DF7C-4F6E-BFC4-F6F776BEB211}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -112,6 +108,7 @@
 	ProjectSection(ProjectDependencies) = postProject
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "boringssl", "vcxproj\.\boringssl\boringssl.vcxproj", "{9FD9A3EF-C4A3-8390-D8F4-6F86C22A58CE}"
@@ -370,22 +367,6 @@
 		{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
 		{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
 		{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}.Release-DLL|x64.Build.0 = Release-DLL|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|Win32.ActiveCfg = Debug|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|x64.ActiveCfg = Debug|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|Win32.ActiveCfg = Release|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|x64.ActiveCfg = Release|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|Win32.Build.0 = Debug|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug|x64.Build.0 = Debug|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|Win32.Build.0 = Release|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release|x64.Build.0 = Release|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Debug-DLL|x64.Build.0 = Debug|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release-DLL|Win32.Build.0 = Release|Win32
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release-DLL|x64.ActiveCfg = Release|x64
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}.Release-DLL|x64.Build.0 = Release|x64
 		{6EE56155-DF7C-4F6E-BFC4-F6F776BEB211}.Debug|Win32.ActiveCfg = Debug|Win32
 		{6EE56155-DF7C-4F6E-BFC4-F6F776BEB211}.Debug|x64.ActiveCfg = Debug|x64
 		{6EE56155-DF7C-4F6E-BFC4-F6F776BEB211}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/grpc_protoc_plugins.sln b/vsprojects/grpc_protoc_plugins.sln
index 444cb26..ef1cbb8 100644
--- a/vsprojects/grpc_protoc_plugins.sln
+++ b/vsprojects/grpc_protoc_plugins.sln
@@ -3,18 +3,10 @@
 # Visual Studio 2013
 VisualStudioVersion = 12.0.21005.1
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_codegen_lib", "vcxproj\.\grpc_codegen_lib\grpc_codegen_lib.vcxproj", "{A828FD72-44CE-4EA5-8966-6E4624458D58}"
-	ProjectSection(myProperties) = preProject
-        	lib = "True"
-	EndProjectSection
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_plugin_support", "vcxproj\.\grpc_plugin_support\grpc_plugin_support.vcxproj", "{B6E81D84-2ACB-41B8-8781-493A944C7817}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
 	EndProjectSection
-	ProjectSection(ProjectDependencies) = postProject
-		{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500} = {AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}
-	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_cpp_plugin", "vcxproj\.\grpc_cpp_plugin\grpc_cpp_plugin.vcxproj", "{7E51A25F-AC59-488F-906C-C60FAAE706AA}"
 	ProjectSection(myProperties) = preProject
@@ -64,14 +56,6 @@
 		Release|x64 = Release|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|Win32.ActiveCfg = Debug|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|x64.ActiveCfg = Debug|x64
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|Win32.ActiveCfg = Release|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|x64.ActiveCfg = Release|x64
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|Win32.Build.0 = Debug|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Debug|x64.Build.0 = Debug|x64
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|Win32.Build.0 = Release|Win32
-		{A828FD72-44CE-4EA5-8966-6E4624458D58}.Release|x64.Build.0 = Release|x64
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Debug|x64.ActiveCfg = Debug|x64
 		{B6E81D84-2ACB-41B8-8781-493A944C7817}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/vcxproj/gpr/gpr.vcxproj b/vsprojects/vcxproj/gpr/gpr.vcxproj
index 870246c..cdb128e 100644
--- a/vsprojects/vcxproj/gpr/gpr.vcxproj
+++ b/vsprojects/vcxproj/gpr/gpr.vcxproj
@@ -147,20 +147,6 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\alloc.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\atm.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\atm_gcc_atomic.h" />
@@ -189,6 +175,20 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\tls_msvc.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\tls_pthread.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\useful.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\profiling\timers.h" />
diff --git a/vsprojects/vcxproj/gpr/gpr.vcxproj.filters b/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
index b932420..8af6fdd 100644
--- a/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
+++ b/vsprojects/vcxproj/gpr/gpr.vcxproj.filters
@@ -135,48 +135,6 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\alloc.h">
       <Filter>include\grpc\support</Filter>
     </ClInclude>
@@ -261,6 +219,48 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\support\useful.h">
       <Filter>include\grpc\support</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\profiling\timers.h">
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
index 2c64421..f739dc6 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@@ -268,37 +268,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\grpc++.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\client_unary_call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\grpc_library.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\method_handler_impl.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\proto_utils.h" />
@@ -324,8 +293,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\async_unary_call.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\status_code_enum.h" />
@@ -333,18 +300,83 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\stub_options.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\core_codegen.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\common\create_auth_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\cpp\server\dynamic_thread_pool.h" />
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\thread_pool_interface.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.cc">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\auth_property_iterator.cc">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.cc">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_channel_arguments.cc">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_create_auth_context.cc">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\channel.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\client_context.cc">
@@ -359,12 +391,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\insecure_credentials.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.cc">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\auth_property_iterator.cc">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\channel_arguments.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\completion_queue.cc">
@@ -373,12 +399,6 @@
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     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.cc">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_channel_arguments.cc">
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_create_auth_context.cc">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\async_generic_service.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\create_default_thread_pool.cc">
@@ -387,8 +407,6 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\insecure_server_credentials.cc">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.cc">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server_builder.cc">
@@ -407,6 +425,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
diff --git a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
index 35468ea..a0323be 100644
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@@ -1,6 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.cc">
+      <Filter>src\cpp\client</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\auth_property_iterator.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_channel_arguments.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_create_auth_context.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.cc">
+      <Filter>src\cpp\server</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\channel.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
@@ -22,15 +40,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\insecure_credentials.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\client\secure_credentials.cc">
-      <Filter>src\cpp\client</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
-      <Filter>src\cpp\codegen</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\auth_property_iterator.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\channel_arguments.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
@@ -43,15 +52,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\common\rpc_method.cc">
       <Filter>src\cpp\common</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_auth_context.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_channel_arguments.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\secure_create_auth_context.cc">
-      <Filter>src\cpp\common</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\async_generic_service.cc">
       <Filter>src\cpp\server</Filter>
     </ClCompile>
@@ -64,9 +64,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\insecure_server_credentials.cc">
       <Filter>src\cpp\server</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\server\secure_server_credentials.cc">
-      <Filter>src\cpp\server</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\server\server.cc">
       <Filter>src\cpp\server</Filter>
     </ClCompile>
@@ -94,6 +91,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
       <Filter>src\cpp\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+      <Filter>src\cpp\codegen</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\alarm.h">
@@ -126,99 +126,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\client_unary_call.h">
       <Filter>include\grpc++\impl</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h">
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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@@ -294,12 +201,6 @@
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-      <Filter>include\grpc++\support</Filter>
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-      <Filter>include\grpc++\support</Filter>
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@@ -321,27 +222,186 @@
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     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
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+      <Filter>include\grpc++\impl\codegen</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h">
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
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diff --git a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj
index 0b4498f..33860af 100644
--- a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj
@@ -156,13 +156,13 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\test_credentials_provider.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.grpc.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.grpc.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.grpc.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.grpc.pb.h">
     </ClInclude>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo.pb.cc">
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@@ -172,13 +172,13 @@
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     <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo.grpc.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.grpc.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.grpc.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.grpc.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.grpc.pb.h">
     </ClInclude>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\end2end\test_service_impl.cc">
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diff --git a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters
index 3a16c65..b35ba1f 100644
--- a/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_test_util/grpc++_test_util.vcxproj.filters
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.proto">
-      <Filter>src\proto\grpc\testing\duplicate</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.proto">
+      <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\echo_messages.proto">
-      <Filter>src\proto\grpc\testing</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\duplicate\echo_duplicate.proto">
+      <Filter>src\proto\grpc\testing\duplicate</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\end2end\test_service_impl.cc">
       <Filter>test\cpp\end2end</Filter>
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
index 7455e88..a7aba28 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@@ -268,37 +268,6 @@
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h" />
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@@ -324,8 +293,6 @@
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@@ -333,6 +300,59 @@
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     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\sync_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
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   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h" />
@@ -342,6 +362,8 @@
     <ClInclude Include="$(SolutionDir)\..\src\cpp\server\thread_pool_interface.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\insecure_create_auth_context.cc">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\channel.cc">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\client_context.cc">
@@ -356,16 +378,12 @@
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-    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\insecure_create_auth_context.cc">
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@@ -394,6 +412,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\util\time.cc">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
@@ -402,6 +422,9 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
       <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
index dda90b1..b29e4cd 100644
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\common\insecure_create_auth_context.cc">
+      <Filter>src\cpp\common</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\cpp\client\channel.cc">
       <Filter>src\cpp\client</Filter>
     </ClCompile>
@@ -22,9 +25,6 @@
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-      <Filter>src\cpp\codegen</Filter>
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@@ -34,9 +34,6 @@
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     </ClCompile>
@@ -79,6 +76,9 @@
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       <Filter>src\cpp\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+      <Filter>src\cpp\codegen</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\alarm.h">
@@ -111,99 +111,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\client_unary_call.h">
       <Filter>include\grpc++\impl</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h">
-      <Filter>include\grpc++\impl\codegen\security</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
-      <Filter>include\grpc++\impl\codegen</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\grpc_library.h">
       <Filter>include\grpc++\impl</Filter>
     </ClInclude>
@@ -279,12 +186,6 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\channel_arguments.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
-      <Filter>include\grpc++\support</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\slice.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
@@ -306,6 +207,165 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\time.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h">
+      <Filter>include\grpc++\impl\codegen\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
+      <Filter>include\grpc++\support</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\cpp\client\create_channel_internal.h">
@@ -329,6 +389,9 @@
     <Filter Include="include">
       <UniqueIdentifier>{5c4eb19f-d511-e8fd-e1d6-c377cdc7d3b1}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{f3dd91a8-058b-becf-9e41-eb42c7bc6e55}</UniqueIdentifier>
+    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{eceb50c0-bb49-3812-b6bd-b0af6df81da7}</UniqueIdentifier>
     </Filter>
@@ -350,6 +413,12 @@
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{0ebf8008-80b9-d6da-e1dc-854bf1ec2195}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{c1049250-64f6-f900-d2e5-1718e148f1f0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{adf6b8e3-4a4b-cb35-bb3d-568af97b58d1}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{cce6a85d-1111-3834-6825-31e170d93cff}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index f54c8c6..f695468 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -269,71 +269,41 @@
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\aggregation.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_rpc_stats.h" />
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\rpc_metric_id.h" />
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.h" />
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.h" />
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+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_settings.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_window_update.h" />
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@@ -555,8 +457,6 @@
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@@ -645,6 +545,106 @@
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+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer_reader.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call_details.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call_log_batch.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_init.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_ping.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_stack_type.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\completion_queue.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\event_string.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\init.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\lame_client.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\metadata_array.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\server.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\validate_metadata.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
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+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.c">
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     <ClCompile Include="$(SolutionDir)\..\src\core\lib\tsi\fake_transport_security.c">
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     <ClCompile Include="$(SolutionDir)\..\src\core\lib\tsi\ssl_transport_security.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\tsi\transport_security.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_plugin_registry.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\secure\secure_channel_create.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_call_holder.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
     </ClCompile>
@@ -743,6 +733,34 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\pick_first\pick_first.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\round_robin\round_robin.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\dns\native\dns_resolver.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\sockaddr\sockaddr_resolver.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\context.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_context.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_plugin.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\initialize.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\tracing.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_plugin_registry.c">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index c00b928..37bd1e6 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -1,126 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_context.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_plugin.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\initialize.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
-      <Filter>src\core\ext\census</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
-      <Filter>src\core\ext\census</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
-      <Filter>src\core\ext\census</Filter>
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-      <Filter>src\core\ext\census</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
-      <Filter>src\core\ext\lb_policy\grpclb</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.c">
-      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
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-      <Filter>src\core\ext\lb_policy\pick_first</Filter>
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-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_settings.c">
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_window_update.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
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-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_lists.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_map.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\timeout_encoding.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\writing.c">
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@@ -130,9 +10,6 @@
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@@ -145,51 +22,6 @@
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\default_initial_connect_string.c">
-      <Filter>src\core\lib\client_config</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\initial_connect_string.c">
-      <Filter>src\core\lib\client_config</Filter>
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-      <Filter>src\core\lib\client_config</Filter>
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-      <Filter>src\core\lib\client_config</Filter>
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-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy_registry.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\resolver.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\resolver_factory.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\resolver_registry.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel_factory.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel_index.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\uri_parser.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
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@@ -205,9 +37,6 @@
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-      <Filter>src\core\lib\http</Filter>
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@@ -340,6 +169,156 @@
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     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\alarm.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer_reader.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call_details.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call_log_batch.c">
+      <Filter>src\core\lib\surface</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel.c">
+      <Filter>src\core\lib\surface</Filter>
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_init.c">
+      <Filter>src\core\lib\surface</Filter>
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+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_ping.c">
+      <Filter>src\core\lib\surface</Filter>
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+      <Filter>src\core\lib\surface</Filter>
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+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\timeout_encoding.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\writing.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\alpn\alpn.c">
+      <Filter>src\core\ext\transport\chttp2\alpn</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\http\httpcli_security_connector.c">
+      <Filter>src\core\lib\http</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\security\b64.c">
       <Filter>src\core\lib\security</Filter>
     </ClCompile>
@@ -382,90 +361,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\security\server_auth_filter.c">
       <Filter>src\core\lib\security</Filter>
     </ClCompile>
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-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\api_trace.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\byte_buffer_reader.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call_details.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\call_log_batch.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_connectivity.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_init.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_ping.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_stack_type.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\completion_queue.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\event_string.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\init.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\init_secure.c">
       <Filter>src\core\lib\surface</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\lame_client.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\metadata_array.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\server.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\validate_metadata.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\version.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\byte_stream.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\static_metadata.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
-      <Filter>src\core\lib\transport</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\tsi\fake_transport_security.c">
       <Filter>src\core\lib\tsi</Filter>
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@@ -475,8 +373,74 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\tsi\transport_security.c">
       <Filter>src\core\lib\tsi</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_plugin_registry.c">
-      <Filter>src\core\plugin_registry</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\secure\secure_channel_create.c">
+      <Filter>src\core\ext\transport\chttp2\client\secure</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_call_holder.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
+      <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
+      <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
+      <Filter>src\core\ext\lb_policy\grpclb</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.c">
+      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
       <Filter>third_party\nanopb</Filter>
@@ -487,6 +451,48 @@
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
       <Filter>third_party\nanopb</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\pick_first\pick_first.c">
+      <Filter>src\core\ext\lb_policy\pick_first</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\round_robin\round_robin.c">
+      <Filter>src\core\ext\lb_policy\round_robin</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\dns\native\dns_resolver.c">
+      <Filter>src\core\ext\resolver\dns\native</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\sockaddr\sockaddr_resolver.c">
+      <Filter>src\core\ext\resolver\sockaddr</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\context.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_context.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_plugin.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\initialize.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\tracing.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_plugin_registry.c">
+      <Filter>src\core\plugin_registry</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
@@ -495,16 +501,13 @@
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       <Filter>include\grpc</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
       <Filter>include\grpc</Filter>
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@@ -525,98 +528,56 @@
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       <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc_security.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h">
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@@ -908,6 +797,96 @@
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+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
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+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
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+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
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+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\json_token.h">
+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\jwt_verifier.h">
+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\secure_endpoint.h">
+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\security_connector.h">
+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\security\security_context.h">
+      <Filter>src\core\lib\security</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\fake_transport_security.h">
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@@ -923,6 +902,57 @@
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+      <Filter>src\core\ext\client_config</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
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+      <Filter>src\core\ext\client_config</Filter>
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+      <Filter>src\core\ext\client_config</Filter>
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+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.h">
+      <Filter>src\core\ext\lb_policy\grpclb</Filter>
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@@ -935,6 +965,24 @@
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@@ -1004,6 +1055,9 @@
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deleted file mode 100644
index 7d7a609..0000000
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deleted file mode 100644
index 891dff0..0000000
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-  <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-  </ItemGroup>
-
-  <ItemGroup>
-    <Filter Include="include">
-      <UniqueIdentifier>{1fe03afe-0c52-a706-2c50-4ea691805d81}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc">
-      <UniqueIdentifier>{386f8a29-15ac-1f26-30ee-d9a605a802be}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc\impl">
-      <UniqueIdentifier>{9828c5d3-4dc2-f116-97bf-015089243c94}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc\impl\codegen">
-      <UniqueIdentifier>{0e88ed03-ed1e-49c0-15d7-69934b433494}</UniqueIdentifier>
-    </Filter>
-  </ItemGroup>
-</Project>
-
diff --git a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
index 058ae4f..4c80226 100644
--- a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
+++ b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj
@@ -148,24 +148,12 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
-  </ItemGroup>
-  <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+  </ItemGroup>
+  <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\compiler\config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\cpp_generator.h" />
     <ClInclude Include="$(SolutionDir)\..\src\compiler\cpp_generator_helpers.h" />
@@ -192,11 +180,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\compiler\ruby_generator.cc">
     </ClCompile>
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_codegen_lib\grpc++_codegen_lib.vcxproj">
-      <Project>{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}</Project>
-    </ProjectReference>
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
index b1a63eb..fc125d9 100644
--- a/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_plugin_support/grpc_plugin_support.vcxproj.filters
@@ -18,56 +18,20 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
-      <Filter>include\grpc\impl\codegen</Filter>
-    </ClInclude>
-  </ItemGroup>
-  <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc++\support\config_protobuf.h">
       <Filter>include\grpc++\support</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\src\compiler\config.h">
       <Filter>src\compiler</Filter>
     </ClInclude>
@@ -113,21 +77,18 @@
     <Filter Include="include">
       <UniqueIdentifier>{93ed419d-4540-7fa4-814d-3392745b77ff}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc">
-      <UniqueIdentifier>{ae5560ea-77fe-ab95-c7a3-4538c66591a8}</UniqueIdentifier>
-    </Filter>
     <Filter Include="include\grpc++">
       <UniqueIdentifier>{893c09ee-e315-e763-9d9d-37522ba2f51c}</UniqueIdentifier>
     </Filter>
+    <Filter Include="include\grpc++\impl">
+      <UniqueIdentifier>{3e8c71a4-8a06-a577-2799-2224a1ad1f1b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl\codegen">
+      <UniqueIdentifier>{ec2a6e26-915b-ba1b-4f59-f361dc01105c}</UniqueIdentifier>
+    </Filter>
     <Filter Include="include\grpc++\support">
       <UniqueIdentifier>{1c34d005-1ffb-8a31-881a-c6bb431cda69}</UniqueIdentifier>
     </Filter>
-    <Filter Include="include\grpc\impl">
-      <UniqueIdentifier>{3c047248-00c2-4c59-fffd-9e313353e390}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="include\grpc\impl\codegen">
-      <UniqueIdentifier>{749ae941-63f0-c623-8b4b-a3114ec81bb7}</UniqueIdentifier>
-    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{94c9769a-a6cd-49fd-2b30-e52d2d02ed91}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index 668f8a5..cb033a5 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -147,34 +147,37 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\data\ssl_test_data.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\security\oauth2_utils.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h" />
-    <ClInclude Include="$(SolutionDir)\..\test\core\security\oauth2_utils.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_cert.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_key.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\test_root_cert.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\security\oauth2_utils.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\security\oauth2_utils.c">
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 7f2876d..81b2a81 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -1,9 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.c">
-      <Filter>test\core\end2end</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\server1_cert.c">
       <Filter>test\core\end2end\data</Filter>
     </ClCompile>
@@ -13,18 +10,24 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\data\test_root_cert.c">
       <Filter>test\core\end2end\data</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\security\oauth2_utils.c">
+      <Filter>test\core\security</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.c">
+      <Filter>test\core\end2end</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.c">
       <Filter>test\core\end2end\fixtures</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.c">
       <Filter>test\core\iomgr</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\test\core\security\oauth2_utils.c">
-      <Filter>test\core\security</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -42,24 +45,27 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.h">
-      <Filter>test\core\end2end</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\data\ssl_test_data.h">
       <Filter>test\core\end2end\data</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\security\oauth2_utils.h">
+      <Filter>test\core\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\cq_verifier.h">
+      <Filter>test\core\end2end</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h">
       <Filter>test\core\end2end\fixtures</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h">
       <Filter>test\core\iomgr</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\test\core\security\oauth2_utils.h">
-      <Filter>test\core\security</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
index 2a3c50e..bb93b2c 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
@@ -151,6 +151,7 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\fixtures\proxy.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\iomgr\endpoint_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
@@ -165,6 +166,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
@@ -186,6 +189,9 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
       <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
index cdb19e1..4c4620a 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
@@ -13,6 +13,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\grpc_profiler.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\mock_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -42,6 +45,9 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index ec8624f..a866ddc 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -260,70 +260,40 @@
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
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+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
     </ClCompile>
@@ -679,6 +673,30 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\pick_first\pick_first.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\round_robin\round_robin.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\context.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_context.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_plugin.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\initialize.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\tracing.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_unsecure_plugin_registry.c">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 95b76b3..bc4e06e 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -1,119 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\context.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_context.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_plugin.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\initialize.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\tracing.c">
-      <Filter>src\core\ext\census</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
-      <Filter>src\core\ext\lb_policy\grpclb</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.c">
-      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\pick_first\pick_first.c">
-      <Filter>src\core\ext\lb_policy\pick_first</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\round_robin\round_robin.c">
-      <Filter>src\core\ext\lb_policy\round_robin</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\dns\native\dns_resolver.c">
-      <Filter>src\core\ext\resolver\dns\native</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\sockaddr\sockaddr_resolver.c">
-      <Filter>src\core\ext\resolver\sockaddr</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
-      <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
-      <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\alpn.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_transport.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_data.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_goaway.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_ping.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_settings.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_window_update.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_encoder.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\parsing.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\status_conversion.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_lists.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_map.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\timeout_encoding.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\writing.c">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\init_unsecure.c">
+      <Filter>src\core\lib\surface</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\channel_args.c">
       <Filter>src\core\lib\channel</Filter>
@@ -124,9 +13,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack_builder.c">
       <Filter>src\core\lib\channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\client_channel.c">
-      <Filter>src\core\lib\channel</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\compress_filter.c">
       <Filter>src\core\lib\channel</Filter>
     </ClCompile>
@@ -139,51 +25,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\http_server_filter.c">
       <Filter>src\core\lib\channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\channel\subchannel_call_holder.c">
-      <Filter>src\core\lib\channel</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\client_config.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\connector.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\default_initial_connect_string.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\initial_connect_string.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy_factory.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy_registry.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\resolver.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\resolver_factory.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\resolver_registry.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel_factory.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel_index.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\client_config\uri_parser.c">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\compression\compression_algorithm.c">
       <Filter>src\core\lib\compression</Filter>
     </ClCompile>
@@ -355,9 +196,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel.c">
       <Filter>src\core\lib\surface</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_connectivity.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\channel_init.c">
       <Filter>src\core\lib\surface</Filter>
     </ClCompile>
@@ -376,9 +214,6 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\init.c">
       <Filter>src\core\lib\surface</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\init_unsecure.c">
-      <Filter>src\core\lib\surface</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\surface\lame_client.c">
       <Filter>src\core\lib\surface</Filter>
     </ClCompile>
@@ -415,8 +250,143 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\transport_op_string.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_unsecure_plugin_registry.c">
-      <Filter>src\core\plugin_registry</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
+      <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_plugin.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_transport.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_data.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_goaway.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_ping.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_settings.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_window_update.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_encoder.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\parsing.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\status_conversion.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_lists.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_map.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\timeout_encoding.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\writing.c">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\alpn\alpn.c">
+      <Filter>src\core\ext\transport\chttp2\alpn</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create.c">
+      <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_call_holder.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\dns\native\dns_resolver.c">
+      <Filter>src\core\ext\resolver\dns\native</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\sockaddr\sockaddr_resolver.c">
+      <Filter>src\core\ext\resolver\sockaddr</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.c">
+      <Filter>src\core\ext\lb_policy\grpclb</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.c">
+      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_common.c">
       <Filter>third_party\nanopb</Filter>
@@ -427,6 +397,42 @@
     <ClCompile Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.c">
       <Filter>third_party\nanopb</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\pick_first\pick_first.c">
+      <Filter>src\core\ext\lb_policy\pick_first</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\lb_policy\round_robin\round_robin.c">
+      <Filter>src\core\ext\lb_policy\round_robin</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\context.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_context.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\grpc_plugin.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\initialize.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\mlog.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\operation.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\placeholders.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\census\tracing.c">
+      <Filter>src\core\ext\census</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\plugin_registry\grpc_unsecure_plugin_registry.c">
+      <Filter>src\core\plugin_registry</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer.h">
@@ -435,15 +441,15 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\byte_buffer_reader.h">
       <Filter>include\grpc</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h">
-      <Filter>include\grpc</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\compression.h">
       <Filter>include\grpc</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\grpc.h">
       <Filter>include\grpc</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
+      <Filter>include\grpc</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
       <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
@@ -462,98 +468,53 @@
     <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
       <Filter>include\grpc\impl\codegen</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc\status.h">
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\census.h">
       <Filter>include\grpc</Filter>
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\aggregation.h">
-      <Filter>src\core\ext\census</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_interface.h">
-      <Filter>src\core\ext\census</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_rpc_stats.h">
-      <Filter>src\core\ext\census</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.h">
-      <Filter>src\core\ext\census</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\mlog.h">
-      <Filter>src\core\ext\census</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\rpc_metric_id.h">
-      <Filter>src\core\ext\census</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.h">
-      <Filter>src\core\ext\lb_policy\grpclb</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.h">
-      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\alpn.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_transport.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_data.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_goaway.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_ping.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_settings.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_window_update.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_encoder.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_errors.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\internal.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\status_conversion.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_map.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\timeout_encoding.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.h">
-      <Filter>src\core\ext\transport\chttp2\transport</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_args.h">
       <Filter>src\core\lib\channel</Filter>
     </ClInclude>
@@ -563,9 +524,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\channel_stack_builder.h">
       <Filter>src\core\lib\channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\client_channel.h">
-      <Filter>src\core\lib\channel</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\compress_filter.h">
       <Filter>src\core\lib\channel</Filter>
     </ClInclude>
@@ -581,48 +539,6 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\http_server_filter.h">
       <Filter>src\core\lib\channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\channel\subchannel_call_holder.h">
-      <Filter>src\core\lib\channel</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\client_config.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\connector.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\initial_connect_string.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy_factory.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\lb_policy_registry.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\resolver.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\resolver_factory.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\resolver_registry.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel_factory.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\subchannel_index.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\lib\client_config\uri_parser.h">
-      <Filter>src\core\lib\client_config</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\compression\algorithm_metadata.h">
       <Filter>src\core\lib\compression</Filter>
     </ClInclude>
@@ -818,6 +734,120 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\transport_impl.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\bin_encoder.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\chttp2_transport.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_data.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_goaway.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_ping.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_rst_stream.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_settings.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\frame_window_update.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_encoder.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_parser.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\hpack_table.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\http2_errors.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\huffsyms.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\incoming_metadata.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\internal.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\status_conversion.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_map.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\timeout_encoding.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.h">
+      <Filter>src\core\ext\transport\chttp2\transport</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\alpn\alpn.h">
+      <Filter>src\core\ext\transport\chttp2\alpn</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_call_holder.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.h">
+      <Filter>src\core\ext\lb_policy\grpclb</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0\load_balancer.pb.h">
+      <Filter>src\core\ext\lb_policy\grpclb\proto\grpc\lb\v0</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb.h">
       <Filter>third_party\nanopb</Filter>
     </ClInclude>
@@ -830,6 +860,24 @@
     <ClInclude Include="$(SolutionDir)\..\third_party\nanopb\pb_encode.h">
       <Filter>third_party\nanopb</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\aggregation.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_interface.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\census_rpc_stats.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\grpc_filter.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\mlog.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\census\rpc_metric_id.h">
+      <Filter>src\core\ext\census</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
@@ -857,6 +905,9 @@
     <Filter Include="src\core\ext\census">
       <UniqueIdentifier>{3f21cd12-b8b9-18f8-8780-e21bbe2285d0}</UniqueIdentifier>
     </Filter>
+    <Filter Include="src\core\ext\client_config">
+      <UniqueIdentifier>{25fa8af3-0a05-987c-741f-fa8ff9d65d51}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src\core\ext\lb_policy">
       <UniqueIdentifier>{a23781d2-27e4-7cb0-12cd-59782ecb21ce}</UniqueIdentifier>
     </Filter>
@@ -899,6 +950,9 @@
     <Filter Include="src\core\ext\transport\chttp2">
       <UniqueIdentifier>{702829f0-099e-2ab7-6b44-ed7cff3ec083}</UniqueIdentifier>
     </Filter>
+    <Filter Include="src\core\ext\transport\chttp2\alpn">
+      <UniqueIdentifier>{7d4830f7-20db-07d3-c3a9-ecfe63ae1992}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src\core\ext\transport\chttp2\client">
       <UniqueIdentifier>{0d589e16-e470-4968-318c-796af5a33637}</UniqueIdentifier>
     </Filter>
@@ -920,9 +974,6 @@
     <Filter Include="src\core\lib\channel">
       <UniqueIdentifier>{fb964f3d-a59c-a7ba-fee5-6072dbb94a7b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\lib\client_config">
-      <UniqueIdentifier>{29ca2974-89e4-1a74-3e4d-0d63e2f77566}</UniqueIdentifier>
-    </Filter>
     <Filter Include="src\core\lib\compression">
       <UniqueIdentifier>{b88002e9-185e-4e64-49f5-2d8989ce87f6}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/qps/qps.vcxproj b/vsprojects/vcxproj/qps/qps.vcxproj
index d458664..a57b740 100644
--- a/vsprojects/vcxproj/qps/qps.vcxproj
+++ b/vsprojects/vcxproj/qps/qps.vcxproj
@@ -161,14 +161,6 @@
     <ClInclude Include="$(SolutionDir)\..\test\cpp\util\benchmark_config.h" />
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.h">
-    </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.cc">
-    </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.h">
-    </ClInclude>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.pb.cc">
     </ClCompile>
     <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.pb.h">
@@ -185,13 +177,21 @@
     </ClCompile>
     <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.grpc.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.h">
+    </ClInclude>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.cc">
+    </ClCompile>
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.grpc.pb.h">
     </ClInclude>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.pb.cc">
     </ClCompile>
@@ -201,13 +201,13 @@
     </ClCompile>
     <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\services.grpc.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.pb.h">
     </ClInclude>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.cc">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.cc">
     </ClCompile>
-    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.grpc.pb.h">
+    <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.grpc.pb.h">
     </ClInclude>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\client_async.cc">
     </ClCompile>
diff --git a/vsprojects/vcxproj/qps/qps.vcxproj.filters b/vsprojects/vcxproj/qps/qps.vcxproj.filters
index c3ea63d..eeb9555 100644
--- a/vsprojects/vcxproj/qps/qps.vcxproj.filters
+++ b/vsprojects/vcxproj/qps/qps.vcxproj.filters
@@ -1,22 +1,22 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.proto">
-      <Filter>src\proto\grpc\testing</Filter>
-    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\messages.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\payloads.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.proto">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.proto">
+      <Filter>src\proto\grpc\testing</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\services.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\stats.proto">
+    <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\perf_db.proto">
       <Filter>src\proto\grpc\testing</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\qps\client_async.cc">
diff --git a/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj b/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj
index 7ba2a56..9a39b36 100644
--- a/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj
+++ b/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj
@@ -160,6 +160,59 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h" />
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h" />
+  </ItemGroup>
+  <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.cc">
     </ClCompile>
     <ClInclude Include="$(SolutionDir)\..\src\proto\grpc\testing\control.pb.h">
@@ -210,11 +263,8 @@
     </ClInclude>
     <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\codegen_test.cc">
     </ClCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_codegen_lib\grpc++_codegen_lib.vcxproj">
-      <Project>{AAC6AF12-94C8-4A3C-A1BF-DAA4738F4500}</Project>
-    </ProjectReference>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
diff --git a/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj.filters b/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj.filters
index 980cf76..74ab62f 100644
--- a/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/codegen_test/codegen_test.vcxproj.filters
@@ -22,12 +22,200 @@
     <ClCompile Include="$(SolutionDir)\..\test\cpp\codegen\codegen_test.cc">
       <Filter>test\cpp\codegen</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\cpp\codegen\codegen_init.cc">
+      <Filter>src\cpp\codegen</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\async_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\call_hook.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\channel_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\client_unary_call.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\completion_queue_tag.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\core_codegen_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\grpc_library.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\method_handler_impl.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\proto_utils.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_method.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\rpc_service_method.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\security\auth_context.h">
+      <Filter>include\grpc++\impl\codegen\security</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\serialization_traits.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_context.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\server_interface.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\service_type.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\status_code_enum.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\string_ref.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\stub_options.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_cxx11.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_no_cxx11.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\sync_stream.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\time.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\byte_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\compression_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\connectivity_state.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\grpc_types.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\propagation_bits.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\status.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\alloc.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_atomic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_gcc_sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\atm_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\log.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\port_platform.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\slice_buffer.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_generic.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_posix.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\sync_win32.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc\impl\codegen\time.h">
+      <Filter>include\grpc\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\include\grpc++\impl\codegen\config_protobuf.h">
+      <Filter>include\grpc++\impl\codegen</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
+    <Filter Include="include">
+      <UniqueIdentifier>{13c5bcf2-9f21-cea2-fe65-0fdd0d878f3b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc">
+      <UniqueIdentifier>{a07dcaf5-9cff-8966-b36e-b36212a0ae8c}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++">
+      <UniqueIdentifier>{fe62c3e7-82ea-42a2-b120-48dda3b5363a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl">
+      <UniqueIdentifier>{09f48d38-2bf5-0a60-84c7-c1e7d40a172d}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl\codegen">
+      <UniqueIdentifier>{7128d5bb-3cf6-7b16-cef6-f5da3ebe2d71}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc++\impl\codegen\security">
+      <UniqueIdentifier>{7185b8d5-c403-7dc7-ae81-ee9094a8b370}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl">
+      <UniqueIdentifier>{040206e3-3ace-35c0-f0a3-2cdccfbc4880}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="include\grpc\impl\codegen">
+      <UniqueIdentifier>{9da834d8-f637-4be5-77e2-58bc7335a804}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src">
       <UniqueIdentifier>{a37f6960-8f92-51ed-9b99-d24970584bb2}</UniqueIdentifier>
     </Filter>
+    <Filter Include="src\cpp">
+      <UniqueIdentifier>{9a190463-de6d-b761-2b2b-c093888f3c7a}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="src\cpp\codegen">
+      <UniqueIdentifier>{47b68e80-0053-216a-26a5-bbc63a4fef70}</UniqueIdentifier>
+    </Filter>
     <Filter Include="src\proto">
       <UniqueIdentifier>{dc3f4032-f0dc-f8f0-e07a-78c0f628e9f5}</UniqueIdentifier>
     </Filter>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
index d54d21b..22cd102 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj
@@ -147,8 +147,8 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_test_helpers.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\end2end_nosec_tests.c">
@@ -179,6 +179,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\high_initial_seqno.c">
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
index 99622e2..1bb208b 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_nosec_tests/end2end_nosec_tests.vcxproj.filters
@@ -43,6 +43,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -114,12 +117,12 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h">
-      <Filter>test\core\end2end</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_test_helpers.h">
       <Filter>test\core\end2end\tests</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h">
+      <Filter>test\core\end2end</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
index c0b21c9..bfd437e 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj
@@ -147,8 +147,8 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_test_helpers.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.c">
@@ -181,6 +181,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\high_initial_seqno.c">
diff --git a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
index 7915898..61c065f 100644
--- a/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
+++ b/vsprojects/vcxproj/test/end2end/tests/end2end_tests/end2end_tests.vcxproj.filters
@@ -46,6 +46,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\empty_batch.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\filter_causes_close.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\end2end\tests\graceful_server_shutdown.c">
       <Filter>test\core\end2end\tests</Filter>
     </ClCompile>
@@ -117,12 +120,12 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h">
-      <Filter>test\core\end2end</Filter>
-    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\end2end\tests\cancel_test_helpers.h">
       <Filter>test\core\end2end\tests</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\end2end\end2end_tests.h">
+      <Filter>test\core\end2end</Filter>
+    </ClInclude>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj
new file mode 100644
index 0000000..fb10f95
--- /dev/null
+++ b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj
@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\1.0.204.1.props')" />
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{23DF0572-DBF1-08DA-8EAD-8508354C90A4}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>head_of_line_blocking_bad_client_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>head_of_line_blocking_bad_client_test</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
+    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
+  </PropertyGroup>
+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
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+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
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+      <WarningLevel>Level3</WarningLevel>
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+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
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+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
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+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
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+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
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+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
+      <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+    <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
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+      <FunctionLevelLinking>true</FunctionLevelLinking>
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+      <SDLCheck>true</SDLCheck>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <TreatWarningAsError>true</TreatWarningAsError>
+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
+      <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
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+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\bad_client\tests\head_of_line_blocking.c">
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+  <ItemGroup>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/bad_client\bad_client_test\bad_client_test.vcxproj">
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+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
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+  </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
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+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
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+    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
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+</Project>
+
diff --git a/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters
new file mode 100644
index 0000000..c3609f0
--- /dev/null
+++ b/vsprojects/vcxproj/test/head_of_line_blocking_bad_client_test/head_of_line_blocking_bad_client_test.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\bad_client\tests\head_of_line_blocking.c">
+      <Filter>test\core\bad_client\tests</Filter>
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+
+  <ItemGroup>
+    <Filter Include="test">
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+    <Filter Include="test\core">
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diff --git a/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj
new file mode 100644
index 0000000..34507b6
--- /dev/null
+++ b/vsprojects/vcxproj/test/json_run_localhost/json_run_localhost.vcxproj
@@ -0,0 +1,210 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
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+    <ProjectConfiguration Include="Debug|x64">
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+    <ProjectConfiguration Include="Release|Win32">
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+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
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+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{91678827-DAEF-2E2F-9CD1-1F5E5DD54842}</ProjectGuid>
+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
+    <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
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+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
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+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '14.0'" Label="Configuration">
+    <PlatformToolset>v140</PlatformToolset>
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+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
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+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
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+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
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+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
+    <TargetName>json_run_localhost</TargetName>
+    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
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+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <TargetName>json_run_localhost</TargetName>
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new file mode 100644
index 0000000..84c5d1e
--- /dev/null
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new file mode 100644
index 0000000..d1dea3e
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+    <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
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+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
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diff --git a/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters b/vsprojects/vcxproj/test/qps_json_driver/qps_json_driver.vcxproj.filters
new file mode 100644
index 0000000..62b9be8
--- /dev/null
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diff --git a/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj
new file mode 100644
index 0000000..0ed96fc
--- /dev/null
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diff --git a/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters b/vsprojects/vcxproj/test/qps_worker/qps_worker.vcxproj.filters
new file mode 100644
index 0000000..a1f2390
--- /dev/null
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