Merge remote-tracking branch 'upstream/master' into reflection_header
diff --git a/BUILD b/BUILD
index 13a6aba..8147f08 100644
--- a/BUILD
+++ b/BUILD
@@ -239,6 +239,7 @@
     "src/core/lib/surface/server.h",
     "src/core/lib/transport/byte_stream.h",
     "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/mdstr_hash_table.h",
     "src/core/lib/transport/metadata.h",
     "src/core/lib/transport/metadata_batch.h",
     "src/core/lib/transport/static_metadata.h",
@@ -290,22 +291,23 @@
     "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/connector.h",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h",
-    "src/core/ext/client_config/subchannel.h",
-    "src/core/ext/client_config/subchannel_index.h",
-    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/client_channel/client_channel.h",
+    "src/core/ext/client_channel/client_channel_factory.h",
+    "src/core/ext/client_channel/connector.h",
+    "src/core/ext/client_channel/http_connect_handshaker.h",
+    "src/core/ext/client_channel/initial_connect_string.h",
+    "src/core/ext/client_channel/lb_policy.h",
+    "src/core/ext/client_channel/lb_policy_factory.h",
+    "src/core/ext/client_channel/lb_policy_registry.h",
+    "src/core/ext/client_channel/method_config.h",
+    "src/core/ext/client_channel/parse_address.h",
+    "src/core/ext/client_channel/resolver.h",
+    "src/core/ext/client_channel/resolver_factory.h",
+    "src/core/ext/client_channel/resolver_registry.h",
+    "src/core/ext/client_channel/resolver_result.h",
+    "src/core/ext/client_channel/subchannel.h",
+    "src/core/ext/client_channel/subchannel_index.h",
+    "src/core/ext/client_channel/uri_parser.h",
     "src/core/ext/lb_policy/grpclb/grpclb.h",
     "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
     "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
@@ -409,6 +411,7 @@
     "src/core/lib/surface/version.c",
     "src/core/lib/transport/byte_stream.c",
     "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/mdstr_hash_table.c",
     "src/core/lib/transport/metadata.c",
     "src/core/lib/transport/metadata_batch.c",
     "src/core/lib/transport/static_metadata.c",
@@ -467,25 +470,26 @@
     "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_plugin.c",
-    "src/core/ext/client_config/connector.c",
-    "src/core/ext/client_config/default_initial_connect_string.c",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c",
-    "src/core/ext/client_config/subchannel.c",
-    "src/core/ext/client_config/subchannel_index.c",
-    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/client_channel/channel_connectivity.c",
+    "src/core/ext/client_channel/client_channel.c",
+    "src/core/ext/client_channel/client_channel_factory.c",
+    "src/core/ext/client_channel/client_channel_plugin.c",
+    "src/core/ext/client_channel/connector.c",
+    "src/core/ext/client_channel/default_initial_connect_string.c",
+    "src/core/ext/client_channel/http_connect_handshaker.c",
+    "src/core/ext/client_channel/initial_connect_string.c",
+    "src/core/ext/client_channel/lb_policy.c",
+    "src/core/ext/client_channel/lb_policy_factory.c",
+    "src/core/ext/client_channel/lb_policy_registry.c",
+    "src/core/ext/client_channel/method_config.c",
+    "src/core/ext/client_channel/parse_address.c",
+    "src/core/ext/client_channel/resolver.c",
+    "src/core/ext/client_channel/resolver_factory.c",
+    "src/core/ext/client_channel/resolver_registry.c",
+    "src/core/ext/client_channel/resolver_result.c",
+    "src/core/ext/client_channel/subchannel.c",
+    "src/core/ext/client_channel/subchannel_index.c",
+    "src/core/ext/client_channel/uri_parser.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
@@ -640,6 +644,7 @@
     "src/core/lib/surface/server.h",
     "src/core/lib/transport/byte_stream.h",
     "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/mdstr_hash_table.h",
     "src/core/lib/transport/metadata.h",
     "src/core/lib/transport/metadata_batch.h",
     "src/core/lib/transport/static_metadata.h",
@@ -668,22 +673,23 @@
     "src/core/ext/transport/chttp2/transport/stream_map.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/connector.h",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h",
-    "src/core/ext/client_config/subchannel.h",
-    "src/core/ext/client_config/subchannel_index.h",
-    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/client_channel/client_channel.h",
+    "src/core/ext/client_channel/client_channel_factory.h",
+    "src/core/ext/client_channel/connector.h",
+    "src/core/ext/client_channel/http_connect_handshaker.h",
+    "src/core/ext/client_channel/initial_connect_string.h",
+    "src/core/ext/client_channel/lb_policy.h",
+    "src/core/ext/client_channel/lb_policy_factory.h",
+    "src/core/ext/client_channel/lb_policy_registry.h",
+    "src/core/ext/client_channel/method_config.h",
+    "src/core/ext/client_channel/parse_address.h",
+    "src/core/ext/client_channel/resolver.h",
+    "src/core/ext/client_channel/resolver_factory.h",
+    "src/core/ext/client_channel/resolver_registry.h",
+    "src/core/ext/client_channel/resolver_result.h",
+    "src/core/ext/client_channel/subchannel.h",
+    "src/core/ext/client_channel/subchannel_index.h",
+    "src/core/ext/client_channel/uri_parser.h",
     "src/core/lib/security/context/security_context.h",
     "src/core/lib/security/credentials/composite/composite_credentials.h",
     "src/core/lib/security/credentials/credentials.h",
@@ -795,6 +801,7 @@
     "src/core/lib/surface/version.c",
     "src/core/lib/transport/byte_stream.c",
     "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/mdstr_hash_table.c",
     "src/core/lib/transport/metadata.c",
     "src/core/lib/transport/metadata_batch.c",
     "src/core/lib/transport/static_metadata.c",
@@ -827,25 +834,26 @@
     "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/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_plugin.c",
-    "src/core/ext/client_config/connector.c",
-    "src/core/ext/client_config/default_initial_connect_string.c",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c",
-    "src/core/ext/client_config/subchannel.c",
-    "src/core/ext/client_config/subchannel_index.c",
-    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/client_channel/channel_connectivity.c",
+    "src/core/ext/client_channel/client_channel.c",
+    "src/core/ext/client_channel/client_channel_factory.c",
+    "src/core/ext/client_channel/client_channel_plugin.c",
+    "src/core/ext/client_channel/connector.c",
+    "src/core/ext/client_channel/default_initial_connect_string.c",
+    "src/core/ext/client_channel/http_connect_handshaker.c",
+    "src/core/ext/client_channel/initial_connect_string.c",
+    "src/core/ext/client_channel/lb_policy.c",
+    "src/core/ext/client_channel/lb_policy_factory.c",
+    "src/core/ext/client_channel/lb_policy_registry.c",
+    "src/core/ext/client_channel/method_config.c",
+    "src/core/ext/client_channel/parse_address.c",
+    "src/core/ext/client_channel/resolver.c",
+    "src/core/ext/client_channel/resolver_factory.c",
+    "src/core/ext/client_channel/resolver_registry.c",
+    "src/core/ext/client_channel/resolver_result.c",
+    "src/core/ext/client_channel/subchannel.c",
+    "src/core/ext/client_channel/subchannel_index.c",
+    "src/core/ext/client_channel/uri_parser.c",
     "src/core/lib/http/httpcli_security_connector.c",
     "src/core/lib/security/context/security_context.c",
     "src/core/lib/security/credentials/composite/composite_credentials.c",
@@ -996,6 +1004,7 @@
     "src/core/lib/surface/server.h",
     "src/core/lib/transport/byte_stream.h",
     "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/mdstr_hash_table.h",
     "src/core/lib/transport/metadata.h",
     "src/core/lib/transport/metadata_batch.h",
     "src/core/lib/transport/static_metadata.h",
@@ -1023,22 +1032,23 @@
     "src/core/ext/transport/chttp2/transport/stream_map.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/connector.h",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h",
-    "src/core/ext/client_config/subchannel.h",
-    "src/core/ext/client_config/subchannel_index.h",
-    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/client_channel/client_channel.h",
+    "src/core/ext/client_channel/client_channel_factory.h",
+    "src/core/ext/client_channel/connector.h",
+    "src/core/ext/client_channel/http_connect_handshaker.h",
+    "src/core/ext/client_channel/initial_connect_string.h",
+    "src/core/ext/client_channel/lb_policy.h",
+    "src/core/ext/client_channel/lb_policy_factory.h",
+    "src/core/ext/client_channel/lb_policy_registry.h",
+    "src/core/ext/client_channel/method_config.h",
+    "src/core/ext/client_channel/parse_address.h",
+    "src/core/ext/client_channel/resolver.h",
+    "src/core/ext/client_channel/resolver_factory.h",
+    "src/core/ext/client_channel/resolver_registry.h",
+    "src/core/ext/client_channel/resolver_result.h",
+    "src/core/ext/client_channel/subchannel.h",
+    "src/core/ext/client_channel/subchannel_index.h",
+    "src/core/ext/client_channel/uri_parser.h",
     "src/core/ext/load_reporting/load_reporting.h",
     "src/core/ext/load_reporting/load_reporting_filter.h",
     "src/core/ext/lb_policy/grpclb/grpclb.h",
@@ -1143,6 +1153,7 @@
     "src/core/lib/surface/version.c",
     "src/core/lib/transport/byte_stream.c",
     "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/mdstr_hash_table.c",
     "src/core/lib/transport/metadata.c",
     "src/core/lib/transport/metadata_batch.c",
     "src/core/lib/transport/static_metadata.c",
@@ -1175,25 +1186,26 @@
     "src/core/ext/transport/chttp2/alpn/alpn.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create_posix.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_plugin.c",
-    "src/core/ext/client_config/connector.c",
-    "src/core/ext/client_config/default_initial_connect_string.c",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c",
-    "src/core/ext/client_config/subchannel.c",
-    "src/core/ext/client_config/subchannel_index.c",
-    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/client_channel/channel_connectivity.c",
+    "src/core/ext/client_channel/client_channel.c",
+    "src/core/ext/client_channel/client_channel_factory.c",
+    "src/core/ext/client_channel/client_channel_plugin.c",
+    "src/core/ext/client_channel/connector.c",
+    "src/core/ext/client_channel/default_initial_connect_string.c",
+    "src/core/ext/client_channel/http_connect_handshaker.c",
+    "src/core/ext/client_channel/initial_connect_string.c",
+    "src/core/ext/client_channel/lb_policy.c",
+    "src/core/ext/client_channel/lb_policy_factory.c",
+    "src/core/ext/client_channel/lb_policy_registry.c",
+    "src/core/ext/client_channel/method_config.c",
+    "src/core/ext/client_channel/parse_address.c",
+    "src/core/ext/client_channel/resolver.c",
+    "src/core/ext/client_channel/resolver_factory.c",
+    "src/core/ext/client_channel/resolver_registry.c",
+    "src/core/ext/client_channel/resolver_result.c",
+    "src/core/ext/client_channel/subchannel.c",
+    "src/core/ext/client_channel/subchannel_index.c",
+    "src/core/ext/client_channel/uri_parser.c",
     "src/core/ext/resolver/dns/native/dns_resolver.c",
     "src/core/ext/resolver/sockaddr/sockaddr_resolver.c",
     "src/core/ext/load_reporting/load_reporting.c",
@@ -1853,6 +1865,7 @@
     "src/core/lib/surface/version.c",
     "src/core/lib/transport/byte_stream.c",
     "src/core/lib/transport/connectivity_state.c",
+    "src/core/lib/transport/mdstr_hash_table.c",
     "src/core/lib/transport/metadata.c",
     "src/core/lib/transport/metadata_batch.c",
     "src/core/lib/transport/static_metadata.c",
@@ -1911,25 +1924,26 @@
     "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_plugin.c",
-    "src/core/ext/client_config/connector.c",
-    "src/core/ext/client_config/default_initial_connect_string.c",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c",
-    "src/core/ext/client_config/subchannel.c",
-    "src/core/ext/client_config/subchannel_index.c",
-    "src/core/ext/client_config/uri_parser.c",
+    "src/core/ext/client_channel/channel_connectivity.c",
+    "src/core/ext/client_channel/client_channel.c",
+    "src/core/ext/client_channel/client_channel_factory.c",
+    "src/core/ext/client_channel/client_channel_plugin.c",
+    "src/core/ext/client_channel/connector.c",
+    "src/core/ext/client_channel/default_initial_connect_string.c",
+    "src/core/ext/client_channel/http_connect_handshaker.c",
+    "src/core/ext/client_channel/initial_connect_string.c",
+    "src/core/ext/client_channel/lb_policy.c",
+    "src/core/ext/client_channel/lb_policy_factory.c",
+    "src/core/ext/client_channel/lb_policy_registry.c",
+    "src/core/ext/client_channel/method_config.c",
+    "src/core/ext/client_channel/parse_address.c",
+    "src/core/ext/client_channel/resolver.c",
+    "src/core/ext/client_channel/resolver_factory.c",
+    "src/core/ext/client_channel/resolver_registry.c",
+    "src/core/ext/client_channel/resolver_result.c",
+    "src/core/ext/client_channel/subchannel.c",
+    "src/core/ext/client_channel/subchannel_index.c",
+    "src/core/ext/client_channel/uri_parser.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2.c",
     "src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c",
     "src/core/ext/transport/chttp2/client/insecure/channel_create.c",
@@ -2063,6 +2077,7 @@
     "src/core/lib/surface/server.h",
     "src/core/lib/transport/byte_stream.h",
     "src/core/lib/transport/connectivity_state.h",
+    "src/core/lib/transport/mdstr_hash_table.h",
     "src/core/lib/transport/metadata.h",
     "src/core/lib/transport/metadata_batch.h",
     "src/core/lib/transport/static_metadata.h",
@@ -2114,22 +2129,23 @@
     "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/connector.h",
-    "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h",
-    "src/core/ext/client_config/subchannel.h",
-    "src/core/ext/client_config/subchannel_index.h",
-    "src/core/ext/client_config/uri_parser.h",
+    "src/core/ext/client_channel/client_channel.h",
+    "src/core/ext/client_channel/client_channel_factory.h",
+    "src/core/ext/client_channel/connector.h",
+    "src/core/ext/client_channel/http_connect_handshaker.h",
+    "src/core/ext/client_channel/initial_connect_string.h",
+    "src/core/ext/client_channel/lb_policy.h",
+    "src/core/ext/client_channel/lb_policy_factory.h",
+    "src/core/ext/client_channel/lb_policy_registry.h",
+    "src/core/ext/client_channel/method_config.h",
+    "src/core/ext/client_channel/parse_address.h",
+    "src/core/ext/client_channel/resolver.h",
+    "src/core/ext/client_channel/resolver_factory.h",
+    "src/core/ext/client_channel/resolver_registry.h",
+    "src/core/ext/client_channel/resolver_result.h",
+    "src/core/ext/client_channel/subchannel.h",
+    "src/core/ext/client_channel/subchannel_index.h",
+    "src/core/ext/client_channel/uri_parser.h",
     "src/core/ext/lb_policy/grpclb/grpclb.h",
     "src/core/ext/lb_policy/grpclb/load_balancer_api.h",
     "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4a0c251..8f4b190 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -376,6 +376,7 @@
   src/core/lib/surface/version.c
   src/core/lib/transport/byte_stream.c
   src/core/lib/transport/connectivity_state.c
+  src/core/lib/transport/mdstr_hash_table.c
   src/core/lib/transport/metadata.c
   src/core/lib/transport/metadata_batch.c
   src/core/lib/transport/static_metadata.c
@@ -434,25 +435,26 @@
   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_plugin.c
-  src/core/ext/client_config/connector.c
-  src/core/ext/client_config/default_initial_connect_string.c
-  src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c
-  src/core/ext/client_config/subchannel.c
-  src/core/ext/client_config/subchannel_index.c
-  src/core/ext/client_config/uri_parser.c
+  src/core/ext/client_channel/channel_connectivity.c
+  src/core/ext/client_channel/client_channel.c
+  src/core/ext/client_channel/client_channel_factory.c
+  src/core/ext/client_channel/client_channel_plugin.c
+  src/core/ext/client_channel/connector.c
+  src/core/ext/client_channel/default_initial_connect_string.c
+  src/core/ext/client_channel/http_connect_handshaker.c
+  src/core/ext/client_channel/initial_connect_string.c
+  src/core/ext/client_channel/lb_policy.c
+  src/core/ext/client_channel/lb_policy_factory.c
+  src/core/ext/client_channel/lb_policy_registry.c
+  src/core/ext/client_channel/method_config.c
+  src/core/ext/client_channel/parse_address.c
+  src/core/ext/client_channel/resolver.c
+  src/core/ext/client_channel/resolver_factory.c
+  src/core/ext/client_channel/resolver_registry.c
+  src/core/ext/client_channel/resolver_result.c
+  src/core/ext/client_channel/subchannel.c
+  src/core/ext/client_channel/subchannel_index.c
+  src/core/ext/client_channel/uri_parser.c
   src/core/ext/transport/chttp2/server/insecure/server_chttp2.c
   src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c
   src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -635,6 +637,7 @@
   src/core/lib/surface/version.c
   src/core/lib/transport/byte_stream.c
   src/core/lib/transport/connectivity_state.c
+  src/core/lib/transport/mdstr_hash_table.c
   src/core/lib/transport/metadata.c
   src/core/lib/transport/metadata_batch.c
   src/core/lib/transport/static_metadata.c
@@ -667,25 +670,26 @@
   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/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_plugin.c
-  src/core/ext/client_config/connector.c
-  src/core/ext/client_config/default_initial_connect_string.c
-  src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c
-  src/core/ext/client_config/subchannel.c
-  src/core/ext/client_config/subchannel_index.c
-  src/core/ext/client_config/uri_parser.c
+  src/core/ext/client_channel/channel_connectivity.c
+  src/core/ext/client_channel/client_channel.c
+  src/core/ext/client_channel/client_channel_factory.c
+  src/core/ext/client_channel/client_channel_plugin.c
+  src/core/ext/client_channel/connector.c
+  src/core/ext/client_channel/default_initial_connect_string.c
+  src/core/ext/client_channel/http_connect_handshaker.c
+  src/core/ext/client_channel/initial_connect_string.c
+  src/core/ext/client_channel/lb_policy.c
+  src/core/ext/client_channel/lb_policy_factory.c
+  src/core/ext/client_channel/lb_policy_registry.c
+  src/core/ext/client_channel/method_config.c
+  src/core/ext/client_channel/parse_address.c
+  src/core/ext/client_channel/resolver.c
+  src/core/ext/client_channel/resolver_factory.c
+  src/core/ext/client_channel/resolver_registry.c
+  src/core/ext/client_channel/resolver_result.c
+  src/core/ext/client_channel/subchannel.c
+  src/core/ext/client_channel/subchannel_index.c
+  src/core/ext/client_channel/uri_parser.c
   src/core/lib/http/httpcli_security_connector.c
   src/core/lib/security/context/security_context.c
   src/core/lib/security/credentials/composite/composite_credentials.c
@@ -866,6 +870,7 @@
   src/core/lib/surface/version.c
   src/core/lib/transport/byte_stream.c
   src/core/lib/transport/connectivity_state.c
+  src/core/lib/transport/mdstr_hash_table.c
   src/core/lib/transport/metadata.c
   src/core/lib/transport/metadata_batch.c
   src/core/lib/transport/static_metadata.c
@@ -898,25 +903,26 @@
   src/core/ext/transport/chttp2/alpn/alpn.c
   src/core/ext/transport/chttp2/client/insecure/channel_create.c
   src/core/ext/transport/chttp2/client/insecure/channel_create_posix.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_plugin.c
-  src/core/ext/client_config/connector.c
-  src/core/ext/client_config/default_initial_connect_string.c
-  src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c
-  src/core/ext/client_config/subchannel.c
-  src/core/ext/client_config/subchannel_index.c
-  src/core/ext/client_config/uri_parser.c
+  src/core/ext/client_channel/channel_connectivity.c
+  src/core/ext/client_channel/client_channel.c
+  src/core/ext/client_channel/client_channel_factory.c
+  src/core/ext/client_channel/client_channel_plugin.c
+  src/core/ext/client_channel/connector.c
+  src/core/ext/client_channel/default_initial_connect_string.c
+  src/core/ext/client_channel/http_connect_handshaker.c
+  src/core/ext/client_channel/initial_connect_string.c
+  src/core/ext/client_channel/lb_policy.c
+  src/core/ext/client_channel/lb_policy_factory.c
+  src/core/ext/client_channel/lb_policy_registry.c
+  src/core/ext/client_channel/method_config.c
+  src/core/ext/client_channel/parse_address.c
+  src/core/ext/client_channel/resolver.c
+  src/core/ext/client_channel/resolver_factory.c
+  src/core/ext/client_channel/resolver_registry.c
+  src/core/ext/client_channel/resolver_result.c
+  src/core/ext/client_channel/subchannel.c
+  src/core/ext/client_channel/subchannel_index.c
+  src/core/ext/client_channel/uri_parser.c
   src/core/ext/resolver/dns/native/dns_resolver.c
   src/core/ext/resolver/sockaddr/sockaddr_resolver.c
   src/core/ext/load_reporting/load_reporting.c
diff --git a/Makefile b/Makefile
index b4fb861..cd10ea2 100644
--- a/Makefile
+++ b/Makefile
@@ -1133,6 +1133,7 @@
 bad_ssl_cert_test: $(BINDIR)/$(CONFIG)/bad_ssl_cert_test
 h2_census_test: $(BINDIR)/$(CONFIG)/h2_census_test
 h2_compress_test: $(BINDIR)/$(CONFIG)/h2_compress_test
+h2_fake_resolver_test: $(BINDIR)/$(CONFIG)/h2_fake_resolver_test
 h2_fakesec_test: $(BINDIR)/$(CONFIG)/h2_fakesec_test
 h2_fd_test: $(BINDIR)/$(CONFIG)/h2_fd_test
 h2_full_test: $(BINDIR)/$(CONFIG)/h2_full_test
@@ -1151,6 +1152,7 @@
 h2_uds_test: $(BINDIR)/$(CONFIG)/h2_uds_test
 h2_census_nosec_test: $(BINDIR)/$(CONFIG)/h2_census_nosec_test
 h2_compress_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_nosec_test
+h2_fake_resolver_nosec_test: $(BINDIR)/$(CONFIG)/h2_fake_resolver_nosec_test
 h2_fd_nosec_test: $(BINDIR)/$(CONFIG)/h2_fd_nosec_test
 h2_full_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_nosec_test
 h2_full+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test
@@ -1226,9 +1228,9 @@
 pc_cxx_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc
 
 ifeq ($(EMBED_OPENSSL),true)
-privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_proto_reflection_desc_db.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_cli_libs.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_lib.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
+privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_proto_reflection_desc_db.a $(LIBDIR)/$(CONFIG)/libgrpc++_test.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_cli_libs.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_lib.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libboringssl_test_util.a $(LIBDIR)/$(CONFIG)/libboringssl_aes_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_asn1_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_base64_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bio_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bn_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_bytestring_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_aead_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cipher_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_cmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ed25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x25519_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_dh_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_digest_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ec_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ecdsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_err_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_extra_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_evp_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pbkdf_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_hmac_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs12_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_pkcs8_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_poly1305_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_rsa_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_x509_test_lib.a $(LIBDIR)/$(CONFIG)/libboringssl_ssl_test_lib.a
 else
-privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_proto_reflection_desc_db.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_cli_libs.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_lib.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a
+privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_proto_reflection_desc_db.a $(LIBDIR)/$(CONFIG)/libgrpc++_test.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_cli_libs.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_lib.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a
 endif
 
 
@@ -1358,6 +1360,7 @@
   $(BINDIR)/$(CONFIG)/bad_ssl_cert_test \
   $(BINDIR)/$(CONFIG)/h2_census_test \
   $(BINDIR)/$(CONFIG)/h2_compress_test \
+  $(BINDIR)/$(CONFIG)/h2_fake_resolver_test \
   $(BINDIR)/$(CONFIG)/h2_fakesec_test \
   $(BINDIR)/$(CONFIG)/h2_fd_test \
   $(BINDIR)/$(CONFIG)/h2_full_test \
@@ -1376,6 +1379,7 @@
   $(BINDIR)/$(CONFIG)/h2_uds_test \
   $(BINDIR)/$(CONFIG)/h2_census_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_compress_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_fake_resolver_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_fd_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+pipe_nosec_test \
@@ -2629,6 +2633,7 @@
     src/core/lib/surface/version.c \
     src/core/lib/transport/byte_stream.c \
     src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/mdstr_hash_table.c \
     src/core/lib/transport/metadata.c \
     src/core/lib/transport/metadata_batch.c \
     src/core/lib/transport/static_metadata.c \
@@ -2687,25 +2692,26 @@
     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_plugin.c \
-    src/core/ext/client_config/connector.c \
-    src/core/ext/client_config/default_initial_connect_string.c \
-    src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c \
-    src/core/ext/client_config/subchannel.c \
-    src/core/ext/client_config/subchannel_index.c \
-    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/client_channel/channel_connectivity.c \
+    src/core/ext/client_channel/client_channel.c \
+    src/core/ext/client_channel/client_channel_factory.c \
+    src/core/ext/client_channel/client_channel_plugin.c \
+    src/core/ext/client_channel/connector.c \
+    src/core/ext/client_channel/default_initial_connect_string.c \
+    src/core/ext/client_channel/http_connect_handshaker.c \
+    src/core/ext/client_channel/initial_connect_string.c \
+    src/core/ext/client_channel/lb_policy.c \
+    src/core/ext/client_channel/lb_policy_factory.c \
+    src/core/ext/client_channel/lb_policy_registry.c \
+    src/core/ext/client_channel/method_config.c \
+    src/core/ext/client_channel/parse_address.c \
+    src/core/ext/client_channel/resolver.c \
+    src/core/ext/client_channel/resolver_factory.c \
+    src/core/ext/client_channel/resolver_registry.c \
+    src/core/ext/client_channel/resolver_result.c \
+    src/core/ext/client_channel/subchannel.c \
+    src/core/ext/client_channel/subchannel_index.c \
+    src/core/ext/client_channel/uri_parser.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create.c \
@@ -2906,6 +2912,7 @@
     src/core/lib/surface/version.c \
     src/core/lib/transport/byte_stream.c \
     src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/mdstr_hash_table.c \
     src/core/lib/transport/metadata.c \
     src/core/lib/transport/metadata_batch.c \
     src/core/lib/transport/static_metadata.c \
@@ -2938,25 +2945,26 @@
     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/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_plugin.c \
-    src/core/ext/client_config/connector.c \
-    src/core/ext/client_config/default_initial_connect_string.c \
-    src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c \
-    src/core/ext/client_config/subchannel.c \
-    src/core/ext/client_config/subchannel_index.c \
-    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/client_channel/channel_connectivity.c \
+    src/core/ext/client_channel/client_channel.c \
+    src/core/ext/client_channel/client_channel_factory.c \
+    src/core/ext/client_channel/client_channel_plugin.c \
+    src/core/ext/client_channel/connector.c \
+    src/core/ext/client_channel/default_initial_connect_string.c \
+    src/core/ext/client_channel/http_connect_handshaker.c \
+    src/core/ext/client_channel/initial_connect_string.c \
+    src/core/ext/client_channel/lb_policy.c \
+    src/core/ext/client_channel/lb_policy_factory.c \
+    src/core/ext/client_channel/lb_policy_registry.c \
+    src/core/ext/client_channel/method_config.c \
+    src/core/ext/client_channel/parse_address.c \
+    src/core/ext/client_channel/resolver.c \
+    src/core/ext/client_channel/resolver_factory.c \
+    src/core/ext/client_channel/resolver_registry.c \
+    src/core/ext/client_channel/resolver_result.c \
+    src/core/ext/client_channel/subchannel.c \
+    src/core/ext/client_channel/subchannel_index.c \
+    src/core/ext/client_channel/uri_parser.c \
     src/core/lib/http/httpcli_security_connector.c \
     src/core/lib/security/context/security_context.c \
     src/core/lib/security/credentials/composite/composite_credentials.c \
@@ -3173,6 +3181,7 @@
     src/core/lib/surface/version.c \
     src/core/lib/transport/byte_stream.c \
     src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/mdstr_hash_table.c \
     src/core/lib/transport/metadata.c \
     src/core/lib/transport/metadata_batch.c \
     src/core/lib/transport/static_metadata.c \
@@ -3367,6 +3376,7 @@
     src/core/lib/surface/version.c \
     src/core/lib/transport/byte_stream.c \
     src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/mdstr_hash_table.c \
     src/core/lib/transport/metadata.c \
     src/core/lib/transport/metadata_batch.c \
     src/core/lib/transport/static_metadata.c \
@@ -3399,25 +3409,26 @@
     src/core/ext/transport/chttp2/alpn/alpn.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create_posix.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_plugin.c \
-    src/core/ext/client_config/connector.c \
-    src/core/ext/client_config/default_initial_connect_string.c \
-    src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c \
-    src/core/ext/client_config/subchannel.c \
-    src/core/ext/client_config/subchannel_index.c \
-    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/client_channel/channel_connectivity.c \
+    src/core/ext/client_channel/client_channel.c \
+    src/core/ext/client_channel/client_channel_factory.c \
+    src/core/ext/client_channel/client_channel_plugin.c \
+    src/core/ext/client_channel/connector.c \
+    src/core/ext/client_channel/default_initial_connect_string.c \
+    src/core/ext/client_channel/http_connect_handshaker.c \
+    src/core/ext/client_channel/initial_connect_string.c \
+    src/core/ext/client_channel/lb_policy.c \
+    src/core/ext/client_channel/lb_policy_factory.c \
+    src/core/ext/client_channel/lb_policy_registry.c \
+    src/core/ext/client_channel/method_config.c \
+    src/core/ext/client_channel/parse_address.c \
+    src/core/ext/client_channel/resolver.c \
+    src/core/ext/client_channel/resolver_factory.c \
+    src/core/ext/client_channel/resolver_registry.c \
+    src/core/ext/client_channel/resolver_result.c \
+    src/core/ext/client_channel/subchannel.c \
+    src/core/ext/client_channel/subchannel_index.c \
+    src/core/ext/client_channel/uri_parser.c \
     src/core/ext/resolver/dns/native/dns_resolver.c \
     src/core/ext/resolver/sockaddr/sockaddr_resolver.c \
     src/core/ext/load_reporting/load_reporting.c \
@@ -7414,7 +7425,7 @@
 
 
 DNS_RESOLVER_CONNECTIVITY_TEST_SRC = \
-    test/core/client_config/resolvers/dns_resolver_connectivity_test.c \
+    test/core/client_channel/resolvers/dns_resolver_connectivity_test.c \
 
 DNS_RESOLVER_CONNECTIVITY_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(DNS_RESOLVER_CONNECTIVITY_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -7434,7 +7445,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/resolvers/dns_resolver_connectivity_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/resolvers/dns_resolver_connectivity_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_dns_resolver_connectivity_test: $(DNS_RESOLVER_CONNECTIVITY_TEST_OBJS:.o=.dep)
 
@@ -7446,7 +7457,7 @@
 
 
 DNS_RESOLVER_TEST_SRC = \
-    test/core/client_config/resolvers/dns_resolver_test.c \
+    test/core/client_channel/resolvers/dns_resolver_test.c \
 
 DNS_RESOLVER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(DNS_RESOLVER_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -7466,7 +7477,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/resolvers/dns_resolver_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/resolvers/dns_resolver_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_dns_resolver_test: $(DNS_RESOLVER_TEST_OBJS:.o=.dep)
 
@@ -9622,7 +9633,7 @@
 
 
 LB_POLICIES_TEST_SRC = \
-    test/core/client_config/lb_policies_test.c \
+    test/core/client_channel/lb_policies_test.c \
 
 LB_POLICIES_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LB_POLICIES_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -9642,7 +9653,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/lb_policies_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/lb_policies_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_lb_policies_test: $(LB_POLICIES_TEST_OBJS:.o=.dep)
 
@@ -10230,7 +10241,7 @@
 
 
 SET_INITIAL_CONNECT_STRING_TEST_SRC = \
-    test/core/client_config/set_initial_connect_string_test.c \
+    test/core/client_channel/set_initial_connect_string_test.c \
 
 SET_INITIAL_CONNECT_STRING_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SET_INITIAL_CONNECT_STRING_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -10250,7 +10261,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/set_initial_connect_string_test.o:  $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/set_initial_connect_string_test.o:  $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_set_initial_connect_string_test: $(SET_INITIAL_CONNECT_STRING_TEST_OBJS:.o=.dep)
 
@@ -10262,7 +10273,7 @@
 
 
 SOCKADDR_RESOLVER_TEST_SRC = \
-    test/core/client_config/resolvers/sockaddr_resolver_test.c \
+    test/core/client_channel/resolvers/sockaddr_resolver_test.c \
 
 SOCKADDR_RESOLVER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(SOCKADDR_RESOLVER_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -10282,7 +10293,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/resolvers/sockaddr_resolver_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/resolvers/sockaddr_resolver_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_sockaddr_resolver_test: $(SOCKADDR_RESOLVER_TEST_OBJS:.o=.dep)
 
@@ -10710,7 +10721,7 @@
 
 
 URI_FUZZER_TEST_SRC = \
-    test/core/client_config/uri_fuzzer_test.c \
+    test/core/client_channel/uri_fuzzer_test.c \
 
 URI_FUZZER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_FUZZER_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -10730,7 +10741,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_uri_fuzzer_test: $(URI_FUZZER_TEST_OBJS:.o=.dep)
 
@@ -10742,7 +10753,7 @@
 
 
 URI_PARSER_TEST_SRC = \
-    test/core/client_config/uri_parser_test.c \
+    test/core/client_channel/uri_parser_test.c \
 
 URI_PARSER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_PARSER_TEST_SRC))))
 ifeq ($(NO_SECURE),true)
@@ -10762,7 +10773,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_parser_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/uri_parser_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 deps_uri_parser_test: $(URI_PARSER_TEST_OBJS:.o=.dep)
 
@@ -12151,16 +12162,16 @@
 
 else
 
-$(BINDIR)/$(CONFIG)/interop_test: $(PROTOBUF_DEP) $(INTEROP_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/interop_test: $(PROTOBUF_DEP) $(INTEROP_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.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) $(INTEROP_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/interop_test
+	$(Q) $(LDXX) $(LDFLAGS) $(INTEROP_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.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)/interop_test
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/interop/interop_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/interop/interop_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 
 deps_interop_test: $(INTEROP_TEST_OBJS:.o=.dep)
 
@@ -14513,6 +14524,38 @@
 endif
 
 
+H2_FAKE_RESOLVER_TEST_SRC = \
+    test/core/end2end/fixtures/h2_fake_resolver.c \
+
+H2_FAKE_RESOLVER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FAKE_RESOLVER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/h2_fake_resolver_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/h2_fake_resolver_test: $(H2_FAKE_RESOLVER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.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) $(H2_FAKE_RESOLVER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.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)/h2_fake_resolver_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_fake_resolver.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_fake_resolver_test: $(H2_FAKE_RESOLVER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(H2_FAKE_RESOLVER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 H2_FAKESEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_fakesec.c \
 
@@ -15065,6 +15108,26 @@
 endif
 
 
+H2_FAKE_RESOLVER_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_fake_resolver.c \
+
+H2_FAKE_RESOLVER_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_FAKE_RESOLVER_NOSEC_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/h2_fake_resolver_nosec_test: $(H2_FAKE_RESOLVER_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.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) $(H2_FAKE_RESOLVER_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.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)/h2_fake_resolver_nosec_test
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_fake_resolver.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_fake_resolver_nosec_test: $(H2_FAKE_RESOLVER_NOSEC_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(H2_FAKE_RESOLVER_NOSEC_TEST_OBJS:.o=.dep)
+endif
+
+
 H2_FD_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_fd.c \
 
@@ -15671,7 +15734,7 @@
 
 
 URI_FUZZER_TEST_ONE_ENTRY_SRC = \
-    test/core/client_config/uri_fuzzer_test.c \
+    test/core/client_channel/uri_fuzzer_test.c \
     test/core/util/one_corpus_entry_fuzzer.c \
 
 URI_FUZZER_TEST_ONE_ENTRY_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(URI_FUZZER_TEST_ONE_ENTRY_SRC))))
@@ -15692,7 +15755,7 @@
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/core/client_config/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/core/client_channel/uri_fuzzer_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
 $(OBJDIR)/$(CONFIG)/test/core/util/one_corpus_entry_fuzzer.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 
diff --git a/binding.gyp b/binding.gyp
index 6b1c351..8b23cc2 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -651,6 +651,7 @@
         'src/core/lib/surface/version.c',
         'src/core/lib/transport/byte_stream.c',
         'src/core/lib/transport/connectivity_state.c',
+        'src/core/lib/transport/mdstr_hash_table.c',
         'src/core/lib/transport/metadata.c',
         'src/core/lib/transport/metadata_batch.c',
         'src/core/lib/transport/static_metadata.c',
@@ -709,25 +710,26 @@
         '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_plugin.c',
-        'src/core/ext/client_config/connector.c',
-        'src/core/ext/client_config/default_initial_connect_string.c',
-        'src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c',
-        'src/core/ext/client_config/subchannel.c',
-        'src/core/ext/client_config/subchannel_index.c',
-        'src/core/ext/client_config/uri_parser.c',
+        'src/core/ext/client_channel/channel_connectivity.c',
+        'src/core/ext/client_channel/client_channel.c',
+        'src/core/ext/client_channel/client_channel_factory.c',
+        'src/core/ext/client_channel/client_channel_plugin.c',
+        'src/core/ext/client_channel/connector.c',
+        'src/core/ext/client_channel/default_initial_connect_string.c',
+        'src/core/ext/client_channel/http_connect_handshaker.c',
+        'src/core/ext/client_channel/initial_connect_string.c',
+        'src/core/ext/client_channel/lb_policy.c',
+        'src/core/ext/client_channel/lb_policy_factory.c',
+        'src/core/ext/client_channel/lb_policy_registry.c',
+        'src/core/ext/client_channel/method_config.c',
+        'src/core/ext/client_channel/parse_address.c',
+        'src/core/ext/client_channel/resolver.c',
+        'src/core/ext/client_channel/resolver_factory.c',
+        'src/core/ext/client_channel/resolver_registry.c',
+        'src/core/ext/client_channel/resolver_result.c',
+        'src/core/ext/client_channel/subchannel.c',
+        'src/core/ext/client_channel/subchannel_index.c',
+        'src/core/ext/client_channel/uri_parser.c',
         'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
         'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
         'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
diff --git a/build.yaml b/build.yaml
index c4bc069..f0fa61c 100644
--- a/build.yaml
+++ b/build.yaml
@@ -243,6 +243,7 @@
   - src/core/lib/surface/server.h
   - src/core/lib/transport/byte_stream.h
   - src/core/lib/transport/connectivity_state.h
+  - src/core/lib/transport/mdstr_hash_table.h
   - src/core/lib/transport/metadata.h
   - src/core/lib/transport/metadata_batch.h
   - src/core/lib/transport/static_metadata.h
@@ -336,6 +337,7 @@
   - src/core/lib/surface/version.c
   - src/core/lib/transport/byte_stream.c
   - src/core/lib/transport/connectivity_state.c
+  - src/core/lib/transport/mdstr_hash_table.c
   - src/core/lib/transport/metadata.c
   - src/core/lib/transport/metadata_batch.c
   - src/core/lib/transport/static_metadata.c
@@ -346,45 +348,47 @@
   - gpr
   uses:
   - grpc_codegen
-- name: grpc_client_config
+- name: grpc_client_channel
   headers:
-  - src/core/ext/client_config/client_channel.h
-  - src/core/ext/client_config/client_channel_factory.h
-  - src/core/ext/client_config/connector.h
-  - src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h
-  - src/core/ext/client_config/subchannel.h
-  - src/core/ext/client_config/subchannel_index.h
-  - src/core/ext/client_config/uri_parser.h
+  - src/core/ext/client_channel/client_channel.h
+  - src/core/ext/client_channel/client_channel_factory.h
+  - src/core/ext/client_channel/connector.h
+  - src/core/ext/client_channel/http_connect_handshaker.h
+  - src/core/ext/client_channel/initial_connect_string.h
+  - src/core/ext/client_channel/lb_policy.h
+  - src/core/ext/client_channel/lb_policy_factory.h
+  - src/core/ext/client_channel/lb_policy_registry.h
+  - src/core/ext/client_channel/method_config.h
+  - src/core/ext/client_channel/parse_address.h
+  - src/core/ext/client_channel/resolver.h
+  - src/core/ext/client_channel/resolver_factory.h
+  - src/core/ext/client_channel/resolver_registry.h
+  - src/core/ext/client_channel/resolver_result.h
+  - src/core/ext/client_channel/subchannel.h
+  - src/core/ext/client_channel/subchannel_index.h
+  - src/core/ext/client_channel/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_plugin.c
-  - src/core/ext/client_config/connector.c
-  - src/core/ext/client_config/default_initial_connect_string.c
-  - src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c
-  - src/core/ext/client_config/subchannel.c
-  - src/core/ext/client_config/subchannel_index.c
-  - src/core/ext/client_config/uri_parser.c
-  plugin: grpc_client_config
+  - src/core/ext/client_channel/channel_connectivity.c
+  - src/core/ext/client_channel/client_channel.c
+  - src/core/ext/client_channel/client_channel_factory.c
+  - src/core/ext/client_channel/client_channel_plugin.c
+  - src/core/ext/client_channel/connector.c
+  - src/core/ext/client_channel/default_initial_connect_string.c
+  - src/core/ext/client_channel/http_connect_handshaker.c
+  - src/core/ext/client_channel/initial_connect_string.c
+  - src/core/ext/client_channel/lb_policy.c
+  - src/core/ext/client_channel/lb_policy_factory.c
+  - src/core/ext/client_channel/lb_policy_registry.c
+  - src/core/ext/client_channel/method_config.c
+  - src/core/ext/client_channel/parse_address.c
+  - src/core/ext/client_channel/resolver.c
+  - src/core/ext/client_channel/resolver_factory.c
+  - src/core/ext/client_channel/resolver_registry.c
+  - src/core/ext/client_channel/resolver_result.c
+  - src/core/ext/client_channel/subchannel.c
+  - src/core/ext/client_channel/subchannel_index.c
+  - src/core/ext/client_channel/uri_parser.c
+  plugin: grpc_client_channel
   uses:
   - grpc_base
 - name: grpc_codegen
@@ -409,7 +413,7 @@
   plugin: grpc_lb_policy_grpclb
   uses:
   - grpc_base
-  - grpc_client_config
+  - grpc_client_channel
   - nanopb
 - name: grpc_lb_policy_pick_first
   src:
@@ -417,14 +421,14 @@
   plugin: grpc_lb_policy_pick_first
   uses:
   - grpc_base
-  - grpc_client_config
+  - grpc_client_channel
 - 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
+  - grpc_client_channel
 - name: grpc_load_reporting
   headers:
   - src/core/ext/load_reporting/load_reporting.h
@@ -441,14 +445,14 @@
   plugin: grpc_resolver_dns_native
   uses:
   - grpc_base
-  - grpc_client_config
+  - grpc_client_channel
 - name: grpc_resolver_sockaddr
   src:
   - src/core/ext/resolver/sockaddr/sockaddr_resolver.c
   plugin: grpc_resolver_sockaddr
   uses:
   - grpc_base
-  - grpc_client_config
+  - grpc_client_channel
 - name: grpc_secure
   public_headers:
   - include/grpc/grpc_security.h
@@ -599,14 +603,14 @@
   uses:
   - grpc_transport_chttp2
   - grpc_base
-  - grpc_client_config
+  - grpc_client_channel
 - 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_client_channel
   - grpc_secure
 - name: grpc_transport_chttp2_server_insecure
   src:
@@ -1024,7 +1028,7 @@
   filegroups:
   - grpc++_reflection_proto
 - name: grpc++_test
-  build: test
+  build: private
   language: c++
   headers:
   - include/grpc++/test/server_context_test_spouse.h
@@ -1492,7 +1496,7 @@
   build: test
   language: c
   src:
-  - test/core/client_config/resolvers/dns_resolver_connectivity_test.c
+  - test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1502,7 +1506,7 @@
   build: test
   language: c
   src:
-  - test/core/client_config/resolvers/dns_resolver_test.c
+  - test/core/client_channel/resolvers/dns_resolver_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -2196,7 +2200,7 @@
   build: test
   language: c
   src:
-  - test/core/client_config/lb_policies_test.c
+  - test/core/client_channel/lb_policies_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -2407,7 +2411,7 @@
   build: test
   language: c
   src:
-  - test/core/client_config/set_initial_connect_string_test.c
+  - test/core/client_channel/set_initial_connect_string_test.c
   deps:
   - test_tcp_server
   - grpc_test_util
@@ -2418,7 +2422,7 @@
   build: test
   language: c
   src:
-  - test/core/client_config/resolvers/sockaddr_resolver_test.c
+  - test/core/client_channel/resolvers/sockaddr_resolver_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -2584,20 +2588,20 @@
   build: fuzzer
   language: c
   src:
-  - test/core/client_config/uri_fuzzer_test.c
+  - test/core/client_channel/uri_fuzzer_test.c
   deps:
   - grpc_test_util
   - grpc
   - gpr_test_util
   - gpr
   corpus_dirs:
-  - test/core/client_config/uri_corpus
+  - test/core/client_channel/uri_corpus
   maxlen: 128
 - name: uri_parser_test
   build: test
   language: c
   src:
-  - test/core/client_config/uri_parser_test.c
+  - test/core/client_channel/uri_parser_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -3037,6 +3041,7 @@
   - grpc
   - gpr_test_util
   - gpr
+  - grpc++_test_config
   platforms:
   - mac
   - linux
diff --git a/config.m4 b/config.m4
index 30e7e2d..3258c69 100644
--- a/config.m4
+++ b/config.m4
@@ -170,6 +170,7 @@
     src/core/lib/surface/version.c \
     src/core/lib/transport/byte_stream.c \
     src/core/lib/transport/connectivity_state.c \
+    src/core/lib/transport/mdstr_hash_table.c \
     src/core/lib/transport/metadata.c \
     src/core/lib/transport/metadata_batch.c \
     src/core/lib/transport/static_metadata.c \
@@ -228,25 +229,26 @@
     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_plugin.c \
-    src/core/ext/client_config/connector.c \
-    src/core/ext/client_config/default_initial_connect_string.c \
-    src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c \
-    src/core/ext/client_config/subchannel.c \
-    src/core/ext/client_config/subchannel_index.c \
-    src/core/ext/client_config/uri_parser.c \
+    src/core/ext/client_channel/channel_connectivity.c \
+    src/core/ext/client_channel/client_channel.c \
+    src/core/ext/client_channel/client_channel_factory.c \
+    src/core/ext/client_channel/client_channel_plugin.c \
+    src/core/ext/client_channel/connector.c \
+    src/core/ext/client_channel/default_initial_connect_string.c \
+    src/core/ext/client_channel/http_connect_handshaker.c \
+    src/core/ext/client_channel/initial_connect_string.c \
+    src/core/ext/client_channel/lb_policy.c \
+    src/core/ext/client_channel/lb_policy_factory.c \
+    src/core/ext/client_channel/lb_policy_registry.c \
+    src/core/ext/client_channel/method_config.c \
+    src/core/ext/client_channel/parse_address.c \
+    src/core/ext/client_channel/resolver.c \
+    src/core/ext/client_channel/resolver_factory.c \
+    src/core/ext/client_channel/resolver_registry.c \
+    src/core/ext/client_channel/resolver_result.c \
+    src/core/ext/client_channel/subchannel.c \
+    src/core/ext/client_channel/subchannel_index.c \
+    src/core/ext/client_channel/uri_parser.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
     src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
     src/core/ext/transport/chttp2/client/insecure/channel_create.c \
@@ -585,7 +587,7 @@
   PHP_ADD_BUILD_DIR($ext_builddir/src/boringssl)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/census)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/census/gen)
-  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/client_config)
+  PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/client_channel)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1)
   PHP_ADD_BUILD_DIR($ext_builddir/src/core/ext/lb_policy/pick_first)
diff --git a/doc/interop-test-descriptions.md b/doc/interop-test-descriptions.md
index 7c153fa..96d1f2b 100644
--- a/doc/interop-test-descriptions.md
+++ b/doc/interop-test-descriptions.md
@@ -779,21 +779,21 @@
 
 ### unimplemented_method
 
-This test verifies that calling an unimplemented RPC method returns the 
+This test verifies that calling an unimplemented RPC method returns the
 UNIMPLEMENTED status code.
 
 Server features:
 N/A
 
 Procedure:
-* Client calls `grpc.testing.TestService/UnimplementedMethod` with an empty
+* Client calls `grpc.testing.TestService/UnimplementedCall` with an empty
   request (defined as `grpc.testing.Empty`):
 
     ```
     {
     }
     ```
-   
+
 Client asserts:
 * received status code is 12 (UNIMPLEMENTED)
 
diff --git a/examples/node/dynamic_codegen/route_guide/route_guide_client.js b/examples/node/dynamic_codegen/route_guide/route_guide_client.js
index 775b9ad..b7550b2 100644
--- a/examples/node/dynamic_codegen/route_guide/route_guide_client.js
+++ b/examples/node/dynamic_codegen/route_guide/route_guide_client.js
@@ -55,6 +55,7 @@
   function featureCallback(error, feature) {
     if (error) {
       callback(error);
+      return;
     }
     if (feature.name === '') {
       console.log('Found no feature at ' +
@@ -117,13 +118,17 @@
     string: 'db_path'
   });
   fs.readFile(path.resolve(argv.db_path), function(err, data) {
-    if (err) callback(err);
+    if (err) {
+      callback(err);
+      return;
+    }
     var feature_list = JSON.parse(data);
 
     var num_points = 10;
     var call = client.recordRoute(function(error, stats) {
       if (error) {
         callback(error);
+        return;
       }
       console.log('Finished trip with', stats.point_count, 'points');
       console.log('Passed', stats.feature_count, 'features');
diff --git a/examples/node/static_codegen/route_guide/route_guide_client.js b/examples/node/static_codegen/route_guide/route_guide_client.js
index ecde786..e16de44 100644
--- a/examples/node/static_codegen/route_guide/route_guide_client.js
+++ b/examples/node/static_codegen/route_guide/route_guide_client.js
@@ -56,6 +56,7 @@
   function featureCallback(error, feature) {
     if (error) {
       callback(error);
+      return;
     }
     var latitude = feature.getLocation().getLatitude();
     var longitude = feature.getLocation().getLongitude();
@@ -115,7 +116,10 @@
     string: 'db_path'
   });
   fs.readFile(path.resolve(argv.db_path), function(err, data) {
-    if (err) callback(err);
+    if (err) {
+      callback(err);
+      return;
+    }
     // Transform the loaded features to Feature objects
     var feature_list = _.map(JSON.parse(data), function(value) {
       var feature = new messages.Feature();
@@ -131,6 +135,7 @@
     var call = client.recordRoute(function(error, stats) {
       if (error) {
         callback(error);
+        return;
       }
       console.log('Finished trip with', stats.getPointCount(), 'points');
       console.log('Passed', stats.getFeatureCount(), 'features');
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index f993212..1ee781e 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -326,6 +326,7 @@
                       'src/core/lib/surface/server.h',
                       'src/core/lib/transport/byte_stream.h',
                       'src/core/lib/transport/connectivity_state.h',
+                      'src/core/lib/transport/mdstr_hash_table.h',
                       'src/core/lib/transport/metadata.h',
                       'src/core/lib/transport/metadata_batch.h',
                       'src/core/lib/transport/static_metadata.h',
@@ -377,22 +378,23 @@
                       '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/connector.h',
-                      'src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h',
-                      'src/core/ext/client_config/subchannel.h',
-                      'src/core/ext/client_config/subchannel_index.h',
-                      'src/core/ext/client_config/uri_parser.h',
+                      'src/core/ext/client_channel/client_channel.h',
+                      'src/core/ext/client_channel/client_channel_factory.h',
+                      'src/core/ext/client_channel/connector.h',
+                      'src/core/ext/client_channel/http_connect_handshaker.h',
+                      'src/core/ext/client_channel/initial_connect_string.h',
+                      'src/core/ext/client_channel/lb_policy.h',
+                      'src/core/ext/client_channel/lb_policy_factory.h',
+                      'src/core/ext/client_channel/lb_policy_registry.h',
+                      'src/core/ext/client_channel/method_config.h',
+                      'src/core/ext/client_channel/parse_address.h',
+                      'src/core/ext/client_channel/resolver.h',
+                      'src/core/ext/client_channel/resolver_factory.h',
+                      'src/core/ext/client_channel/resolver_registry.h',
+                      'src/core/ext/client_channel/resolver_result.h',
+                      'src/core/ext/client_channel/subchannel.h',
+                      'src/core/ext/client_channel/subchannel_index.h',
+                      'src/core/ext/client_channel/uri_parser.h',
                       'src/core/ext/lb_policy/grpclb/grpclb.h',
                       'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
                       'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
@@ -500,6 +502,7 @@
                       'src/core/lib/surface/version.c',
                       'src/core/lib/transport/byte_stream.c',
                       'src/core/lib/transport/connectivity_state.c',
+                      'src/core/lib/transport/mdstr_hash_table.c',
                       'src/core/lib/transport/metadata.c',
                       'src/core/lib/transport/metadata_batch.c',
                       'src/core/lib/transport/static_metadata.c',
@@ -558,25 +561,26 @@
                       '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_plugin.c',
-                      'src/core/ext/client_config/connector.c',
-                      'src/core/ext/client_config/default_initial_connect_string.c',
-                      'src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c',
-                      'src/core/ext/client_config/subchannel.c',
-                      'src/core/ext/client_config/subchannel_index.c',
-                      'src/core/ext/client_config/uri_parser.c',
+                      'src/core/ext/client_channel/channel_connectivity.c',
+                      'src/core/ext/client_channel/client_channel.c',
+                      'src/core/ext/client_channel/client_channel_factory.c',
+                      'src/core/ext/client_channel/client_channel_plugin.c',
+                      'src/core/ext/client_channel/connector.c',
+                      'src/core/ext/client_channel/default_initial_connect_string.c',
+                      'src/core/ext/client_channel/http_connect_handshaker.c',
+                      'src/core/ext/client_channel/initial_connect_string.c',
+                      'src/core/ext/client_channel/lb_policy.c',
+                      'src/core/ext/client_channel/lb_policy_factory.c',
+                      'src/core/ext/client_channel/lb_policy_registry.c',
+                      'src/core/ext/client_channel/method_config.c',
+                      'src/core/ext/client_channel/parse_address.c',
+                      'src/core/ext/client_channel/resolver.c',
+                      'src/core/ext/client_channel/resolver_factory.c',
+                      'src/core/ext/client_channel/resolver_registry.c',
+                      'src/core/ext/client_channel/resolver_result.c',
+                      'src/core/ext/client_channel/subchannel.c',
+                      'src/core/ext/client_channel/subchannel_index.c',
+                      'src/core/ext/client_channel/uri_parser.c',
                       'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
                       'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
                       'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
@@ -699,6 +703,7 @@
                               'src/core/lib/surface/server.h',
                               'src/core/lib/transport/byte_stream.h',
                               'src/core/lib/transport/connectivity_state.h',
+                              'src/core/lib/transport/mdstr_hash_table.h',
                               'src/core/lib/transport/metadata.h',
                               'src/core/lib/transport/metadata_batch.h',
                               'src/core/lib/transport/static_metadata.h',
@@ -750,22 +755,23 @@
                               '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/connector.h',
-                              'src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h',
-                              'src/core/ext/client_config/subchannel.h',
-                              'src/core/ext/client_config/subchannel_index.h',
-                              'src/core/ext/client_config/uri_parser.h',
+                              'src/core/ext/client_channel/client_channel.h',
+                              'src/core/ext/client_channel/client_channel_factory.h',
+                              'src/core/ext/client_channel/connector.h',
+                              'src/core/ext/client_channel/http_connect_handshaker.h',
+                              'src/core/ext/client_channel/initial_connect_string.h',
+                              'src/core/ext/client_channel/lb_policy.h',
+                              'src/core/ext/client_channel/lb_policy_factory.h',
+                              'src/core/ext/client_channel/lb_policy_registry.h',
+                              'src/core/ext/client_channel/method_config.h',
+                              'src/core/ext/client_channel/parse_address.h',
+                              'src/core/ext/client_channel/resolver.h',
+                              'src/core/ext/client_channel/resolver_factory.h',
+                              'src/core/ext/client_channel/resolver_registry.h',
+                              'src/core/ext/client_channel/resolver_result.h',
+                              'src/core/ext/client_channel/subchannel.h',
+                              'src/core/ext/client_channel/subchannel_index.h',
+                              'src/core/ext/client_channel/uri_parser.h',
                               'src/core/ext/lb_policy/grpclb/grpclb.h',
                               'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
                               'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index ab75a04..44e0a87 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -246,6 +246,7 @@
   s.files += %w( src/core/lib/surface/server.h )
   s.files += %w( src/core/lib/transport/byte_stream.h )
   s.files += %w( src/core/lib/transport/connectivity_state.h )
+  s.files += %w( src/core/lib/transport/mdstr_hash_table.h )
   s.files += %w( src/core/lib/transport/metadata.h )
   s.files += %w( src/core/lib/transport/metadata_batch.h )
   s.files += %w( src/core/lib/transport/static_metadata.h )
@@ -297,22 +298,23 @@
   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/connector.h )
-  s.files += %w( src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h )
-  s.files += %w( src/core/ext/client_config/subchannel.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/client_channel/client_channel.h )
+  s.files += %w( src/core/ext/client_channel/client_channel_factory.h )
+  s.files += %w( src/core/ext/client_channel/connector.h )
+  s.files += %w( src/core/ext/client_channel/http_connect_handshaker.h )
+  s.files += %w( src/core/ext/client_channel/initial_connect_string.h )
+  s.files += %w( src/core/ext/client_channel/lb_policy.h )
+  s.files += %w( src/core/ext/client_channel/lb_policy_factory.h )
+  s.files += %w( src/core/ext/client_channel/lb_policy_registry.h )
+  s.files += %w( src/core/ext/client_channel/method_config.h )
+  s.files += %w( src/core/ext/client_channel/parse_address.h )
+  s.files += %w( src/core/ext/client_channel/resolver.h )
+  s.files += %w( src/core/ext/client_channel/resolver_factory.h )
+  s.files += %w( src/core/ext/client_channel/resolver_registry.h )
+  s.files += %w( src/core/ext/client_channel/resolver_result.h )
+  s.files += %w( src/core/ext/client_channel/subchannel.h )
+  s.files += %w( src/core/ext/client_channel/subchannel_index.h )
+  s.files += %w( src/core/ext/client_channel/uri_parser.h )
   s.files += %w( src/core/ext/lb_policy/grpclb/grpclb.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/v1/load_balancer.pb.h )
@@ -420,6 +422,7 @@
   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/mdstr_hash_table.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 )
@@ -478,25 +481,26 @@
   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/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_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/http_connect_handshaker.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/parse_address.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/resolver_result.c )
-  s.files += %w( src/core/ext/client_config/subchannel.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/client_channel/channel_connectivity.c )
+  s.files += %w( src/core/ext/client_channel/client_channel.c )
+  s.files += %w( src/core/ext/client_channel/client_channel_factory.c )
+  s.files += %w( src/core/ext/client_channel/client_channel_plugin.c )
+  s.files += %w( src/core/ext/client_channel/connector.c )
+  s.files += %w( src/core/ext/client_channel/default_initial_connect_string.c )
+  s.files += %w( src/core/ext/client_channel/http_connect_handshaker.c )
+  s.files += %w( src/core/ext/client_channel/initial_connect_string.c )
+  s.files += %w( src/core/ext/client_channel/lb_policy.c )
+  s.files += %w( src/core/ext/client_channel/lb_policy_factory.c )
+  s.files += %w( src/core/ext/client_channel/lb_policy_registry.c )
+  s.files += %w( src/core/ext/client_channel/method_config.c )
+  s.files += %w( src/core/ext/client_channel/parse_address.c )
+  s.files += %w( src/core/ext/client_channel/resolver.c )
+  s.files += %w( src/core/ext/client_channel/resolver_factory.c )
+  s.files += %w( src/core/ext/client_channel/resolver_registry.c )
+  s.files += %w( src/core/ext/client_channel/resolver_result.c )
+  s.files += %w( src/core/ext/client_channel/subchannel.c )
+  s.files += %w( src/core/ext/client_channel/subchannel_index.c )
+  s.files += %w( src/core/ext/client_channel/uri_parser.c )
   s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2.c )
   s.files += %w( src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c )
   s.files += %w( src/core/ext/transport/chttp2/client/insecure/channel_create.c )
diff --git a/include/grpc++/impl/codegen/method_handler_impl.h b/include/grpc++/impl/codegen/method_handler_impl.h
index 52f9276..bb992f0 100644
--- a/include/grpc++/impl/codegen/method_handler_impl.h
+++ b/include/grpc++/impl/codegen/method_handler_impl.h
@@ -236,6 +236,19 @@
             ServerUnaryStreamer<RequestType, ResponseType>, true>(func) {}
 };
 
+template <class RequestType, class ResponseType>
+class SplitServerStreamingHandler
+    : public TemplatedBidiStreamingHandler<
+          ServerSplitStreamer<RequestType, ResponseType>, false> {
+ public:
+  explicit SplitServerStreamingHandler(
+      std::function<Status(ServerContext*,
+                           ServerSplitStreamer<RequestType, ResponseType>*)>
+          func)
+      : TemplatedBidiStreamingHandler<
+            ServerSplitStreamer<RequestType, ResponseType>, false>(func) {}
+};
+
 // Handle unknown method by returning UNIMPLEMENTED error.
 class UnknownMethodHandler : public MethodHandler {
  public:
diff --git a/include/grpc++/impl/codegen/server_context.h b/include/grpc++/impl/codegen/server_context.h
index 975f710..ddf50b0 100644
--- a/include/grpc++/impl/codegen/server_context.h
+++ b/include/grpc++/impl/codegen/server_context.h
@@ -44,7 +44,6 @@
 #include <grpc++/impl/codegen/time.h>
 #include <grpc/impl/codegen/compression_types.h>
 
-struct gpr_timespec;
 struct grpc_metadata;
 struct grpc_call;
 struct census_context;
diff --git a/include/grpc++/impl/codegen/service_type.h b/include/grpc++/impl/codegen/service_type.h
index 72b2225..bd65ea0 100644
--- a/include/grpc++/impl/codegen/service_type.h
+++ b/include/grpc++/impl/codegen/service_type.h
@@ -147,14 +147,15 @@
     methods_[index].reset();
   }
 
-  void MarkMethodStreamedUnary(int index,
-                               MethodHandler* streamed_unary_method) {
+  void MarkMethodStreamed(int index, MethodHandler* streamed_method) {
     GPR_CODEGEN_ASSERT(methods_[index] && methods_[index]->handler() &&
-                       "Cannot mark an async or generic method Streamed Unary");
-    methods_[index]->SetHandler(streamed_unary_method);
+                       "Cannot mark an async or generic method Streamed");
+    methods_[index]->SetHandler(streamed_method);
 
     // From the server's point of view, streamed unary is a special
-    // case of BIDI_STREAMING that has 1 read and 1 write, in that order.
+    // case of BIDI_STREAMING that has 1 read and 1 write, in that order,
+    // and split server-side streaming is BIDI_STREAMING with 1 read and
+    // any number of writes, in that order
     methods_[index]->SetMethodType(::grpc::RpcMethod::BIDI_STREAMING);
   }
 
diff --git a/include/grpc++/impl/codegen/sync_stream.h b/include/grpc++/impl/codegen/sync_stream.h
index e3c5a91..9a3efb5 100644
--- a/include/grpc++/impl/codegen/sync_stream.h
+++ b/include/grpc++/impl/codegen/sync_stream.h
@@ -538,7 +538,7 @@
 /// the \a NextMessageSize method to determine an upper-bound on the size of
 /// the message.
 /// A key difference relative to streaming: ServerUnaryStreamer
-///  must have exactly 1 Read and exactly 1 Write, in that order, to function
+/// must have exactly 1 Read and exactly 1 Write, in that order, to function
 /// correctly. Otherwise, the RPC is in error.
 template <class RequestType, class ResponseType>
 class ServerUnaryStreamer GRPC_FINAL
@@ -577,6 +577,43 @@
   bool write_done_;
 };
 
+/// A class to represent a flow-controlled server-side streaming call.
+/// This is something of a hybrid between server-side and bidi streaming.
+/// This is invoked through a server-side streaming call on the client side,
+/// but the server responds to it as though it were a bidi streaming call that
+/// must first have exactly 1 Read and then any number of Writes.
+template <class RequestType, class ResponseType>
+class ServerSplitStreamer GRPC_FINAL
+    : public ServerReaderWriterInterface<ResponseType, RequestType> {
+ public:
+  ServerSplitStreamer(Call* call, ServerContext* ctx)
+      : body_(call, ctx), read_done_(false) {}
+
+  void SendInitialMetadata() GRPC_OVERRIDE { body_.SendInitialMetadata(); }
+
+  bool NextMessageSize(uint32_t* sz) GRPC_OVERRIDE {
+    return body_.NextMessageSize(sz);
+  }
+
+  bool Read(RequestType* request) GRPC_OVERRIDE {
+    if (read_done_) {
+      return false;
+    }
+    read_done_ = true;
+    return body_.Read(request);
+  }
+
+  using WriterInterface<ResponseType>::Write;
+  bool Write(const ResponseType& response,
+             const WriteOptions& options) GRPC_OVERRIDE {
+    return read_done_ && body_.Write(response, options);
+  }
+
+ private:
+  internal::ServerReaderWriterBody<ResponseType, RequestType> body_;
+  bool read_done_;
+};
+
 }  // namespace grpc
 
 #endif  // GRPCXX_IMPL_CODEGEN_SYNC_STREAM_H
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h
index ebeef03..a3fc683 100644
--- a/include/grpc/impl/codegen/grpc_types.h
+++ b/include/grpc/impl/codegen/grpc_types.h
@@ -201,6 +201,9 @@
 #define GRPC_ARG_MAX_METADATA_SIZE "grpc.max_metadata_size"
 /** If non-zero, allow the use of SO_REUSEPORT if it's available (default 1) */
 #define GRPC_ARG_ALLOW_REUSEPORT "grpc.so_reuseport"
+/** Service config data, to be passed to subchannels.
+    Not intended for external use. */
+#define GRPC_ARG_SERVICE_CONFIG "grpc.service_config"
 /** \} */
 
 /** Result of a grpc call. If the caller satisfies the prerequisites of a
diff --git a/package.xml b/package.xml
index 37103ac..82bdd4a 100644
--- a/package.xml
+++ b/package.xml
@@ -253,6 +253,7 @@
     <file baseinstalldir="/" name="src/core/lib/surface/server.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/byte_stream.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/connectivity_state.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/transport/mdstr_hash_table.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/metadata.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/metadata_batch.h" role="src" />
     <file baseinstalldir="/" name="src/core/lib/transport/static_metadata.h" role="src" />
@@ -304,22 +305,23 @@
     <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/connector.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel.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/client_channel/client_channel.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/client_channel_factory.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/connector.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/http_connect_handshaker.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/initial_connect_string.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/lb_policy.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/lb_policy_factory.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/lb_policy_registry.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/method_config.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/parse_address.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver_factory.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver_registry.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver_result.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/subchannel.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/subchannel_index.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/uri_parser.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/grpclb.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/v1/load_balancer.pb.h" role="src" />
@@ -427,6 +429,7 @@
     <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/mdstr_hash_table.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" />
@@ -485,25 +488,26 @@
     <file baseinstalldir="/" name="src/core/lib/tsi/ssl_transport_security.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/transport_security.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_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/http_connect_handshaker.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/parse_address.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/resolver_result.c" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/client_config/subchannel.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/client_channel/channel_connectivity.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/client_channel.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/client_channel_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/client_channel_plugin.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/connector.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/default_initial_connect_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/http_connect_handshaker.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/initial_connect_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/lb_policy.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/lb_policy_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/lb_policy_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/method_config.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/parse_address.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver_factory.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver_registry.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/resolver_result.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/subchannel.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/subchannel_index.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_channel/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/server/insecure/server_chttp2_posix.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/transport/chttp2/client/insecure/channel_create.c" role="src" />
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index d0c35ea..fa72f9b 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -624,7 +624,7 @@
     printer->Indent();
     printer->Print(*vars,
                    "WithStreamedUnaryMethod_$Method$() {\n"
-                   "  ::grpc::Service::MarkMethodStreamedUnary($Idx$,\n"
+                   "  ::grpc::Service::MarkMethodStreamed($Idx$,\n"
                    "    new ::grpc::StreamedUnaryHandler< $Request$, "
                    "$Response$>(std::bind"
                    "(&WithStreamedUnaryMethod_$Method$<BaseClass>::"
@@ -656,6 +656,58 @@
   }
 }
 
+void PrintHeaderServerMethodSplitStreaming(
+    Printer *printer, const Method *method,
+    std::map<grpc::string, grpc::string> *vars) {
+  (*vars)["Method"] = method->name();
+  (*vars)["Request"] = method->input_type_name();
+  (*vars)["Response"] = method->output_type_name();
+  if (method->ServerOnlyStreaming()) {
+    printer->Print(*vars, "template <class BaseClass>\n");
+    printer->Print(*vars,
+                   "class WithSplitStreamingMethod_$Method$ : "
+                   "public BaseClass {\n");
+    printer->Print(
+        " private:\n"
+        "  void BaseClassMustBeDerivedFromService(const Service *service) "
+        "{}\n");
+    printer->Print(" public:\n");
+    printer->Indent();
+    printer->Print(*vars,
+                   "WithSplitStreamingMethod_$Method$() {\n"
+                   "  ::grpc::Service::MarkMethodStreamed($Idx$,\n"
+                   "    new ::grpc::SplitServerStreamingHandler< $Request$, "
+                   "$Response$>(std::bind"
+                   "(&WithSplitStreamingMethod_$Method$<BaseClass>::"
+                   "Streamed$Method$, this, std::placeholders::_1, "
+                   "std::placeholders::_2)));\n"
+                   "}\n");
+    printer->Print(*vars,
+                   "~WithSplitStreamingMethod_$Method$() GRPC_OVERRIDE {\n"
+                   "  BaseClassMustBeDerivedFromService(this);\n"
+                   "}\n");
+    printer->Print(
+        *vars,
+        "// disable regular version of this method\n"
+        "::grpc::Status $Method$("
+        "::grpc::ServerContext* context, const $Request$* request, "
+        "::grpc::ServerWriter< $Response$>* writer) GRPC_FINAL GRPC_OVERRIDE "
+        "{\n"
+        "  abort();\n"
+        "  return ::grpc::Status(::grpc::StatusCode::UNIMPLEMENTED, \"\");\n"
+        "}\n");
+    printer->Print(*vars,
+                   "// replace default version of method with split streamed\n"
+                   "virtual ::grpc::Status Streamed$Method$("
+                   "::grpc::ServerContext* context, "
+                   "::grpc::ServerSplitStreamer< "
+                   "$Request$,$Response$>* server_split_streamer)"
+                   " = 0;\n");
+    printer->Outdent();
+    printer->Print(*vars, "};\n");
+  }
+}
+
 void PrintHeaderServerMethodGeneric(
     Printer *printer, const Method *method,
     std::map<grpc::string, grpc::string> *vars) {
@@ -844,6 +896,48 @@
   }
   printer->Print(" StreamedUnaryService;\n");
 
+  // Server side - controlled server-side streaming
+  for (int i = 0; i < service->method_count(); ++i) {
+    (*vars)["Idx"] = as_string(i);
+    PrintHeaderServerMethodSplitStreaming(printer, service->method(i).get(),
+                                          vars);
+  }
+
+  printer->Print("typedef ");
+  for (int i = 0; i < service->method_count(); ++i) {
+    (*vars)["method_name"] = service->method(i).get()->name();
+    if (service->method(i)->ServerOnlyStreaming()) {
+      printer->Print(*vars, "WithSplitStreamingMethod_$method_name$<");
+    }
+  }
+  printer->Print("Service");
+  for (int i = 0; i < service->method_count(); ++i) {
+    if (service->method(i)->ServerOnlyStreaming()) {
+      printer->Print(" >");
+    }
+  }
+  printer->Print(" SplitStreamedService;\n");
+
+  // Server side - typedef for controlled both unary and server-side streaming
+  printer->Print("typedef ");
+  for (int i = 0; i < service->method_count(); ++i) {
+    (*vars)["method_name"] = service->method(i).get()->name();
+    if (service->method(i)->ServerOnlyStreaming()) {
+      printer->Print(*vars, "WithSplitStreamingMethod_$method_name$<");
+    }
+    if (service->method(i)->NoStreaming()) {
+      printer->Print(*vars, "WithStreamedUnaryMethod_$method_name$<");
+    }
+  }
+  printer->Print("Service");
+  for (int i = 0; i < service->method_count(); ++i) {
+    if (service->method(i)->NoStreaming() ||
+        service->method(i)->ServerOnlyStreaming()) {
+      printer->Print(" >");
+    }
+  }
+  printer->Print(" StreamedService;\n");
+
   printer->Outdent();
   printer->Print("};\n");
   printer->Print(service->GetTrailingComments().c_str());
diff --git a/src/core/ext/census/grpc_filter.c b/src/core/ext/census/grpc_filter.c
index 9dacc17..a4cf6f3 100644
--- a/src/core/ext/census/grpc_filter.c
+++ b/src/core/ext/census/grpc_filter.c
@@ -133,7 +133,7 @@
   call_data *d = elem->call_data;
   GPR_ASSERT(d != NULL);
   memset(d, 0, sizeof(*d));
-  d->start_ts = gpr_now(GPR_CLOCK_REALTIME);
+  d->start_ts = args->start_time;
   return GRPC_ERROR_NONE;
 }
 
@@ -152,7 +152,7 @@
   call_data *d = elem->call_data;
   GPR_ASSERT(d != NULL);
   memset(d, 0, sizeof(*d));
-  d->start_ts = gpr_now(GPR_CLOCK_REALTIME);
+  d->start_ts = args->start_time;
   /* TODO(hongyu): call census_tracing_start_op here. */
   grpc_closure_init(&d->finish_recv, server_on_done_recv, elem);
   return GRPC_ERROR_NONE;
diff --git a/src/core/ext/client_config/README.md b/src/core/ext/client_channel/README.md
similarity index 100%
rename from src/core/ext/client_config/README.md
rename to src/core/ext/client_channel/README.md
diff --git a/src/core/ext/client_config/channel_connectivity.c b/src/core/ext/client_channel/channel_connectivity.c
similarity index 98%
rename from src/core/ext/client_config/channel_connectivity.c
rename to src/core/ext/client_channel/channel_connectivity.c
index ce3c13a..9797e66 100644
--- a/src/core/ext/client_config/channel_connectivity.c
+++ b/src/core/ext/client_channel/channel_connectivity.c
@@ -36,7 +36,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
-#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_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"
diff --git a/src/core/ext/client_config/client_channel.c b/src/core/ext/client_channel/client_channel.c
similarity index 81%
rename from src/core/ext/client_config/client_channel.c
rename to src/core/ext/client_channel/client_channel.c
index cbf79af..b61a0fb 100644
--- a/src/core/ext/client_config/client_channel.c
+++ b/src/core/ext/client_channel/client_channel.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_channel/client_channel.h"
 
 #include <stdbool.h>
 #include <stdio.h>
@@ -42,8 +42,9 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/useful.h>
 
-#include "src/core/ext/client_config/lb_policy_registry.h"
-#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
+#include "src/core/ext/client_channel/method_config.h"
+#include "src/core/ext/client_channel/subchannel.h"
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/deadline_filter.h"
@@ -53,6 +54,9 @@
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/surface/channel.h"
 #include "src/core/lib/transport/connectivity_state.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/metadata_batch.h"
+#include "src/core/lib/transport/static_metadata.h"
 
 /* Client channel implementation */
 
@@ -68,12 +72,13 @@
   /** client channel factory */
   grpc_client_channel_factory *client_channel_factory;
 
-  /** mutex protecting client configuration, including all
-      variables below in this data structure */
+  /** mutex protecting all variables below in this data structure */
   gpr_mu mu;
-  /** currently active load balancer - guarded by mu */
+  /** currently active load balancer */
   grpc_lb_policy *lb_policy;
-  /** incoming resolver result - set by resolver.next(), guarded by mu */
+  /** method config table */
+  grpc_method_config_table *method_config_table;
+  /** incoming resolver result - set by resolver.next() */
   grpc_resolver_result *resolver_result;
   /** a list of closures that are all waiting for config to come in */
   grpc_closure_list waiting_for_config_closures;
@@ -172,6 +177,7 @@
   channel_data *chand = arg;
   grpc_lb_policy *lb_policy = NULL;
   grpc_lb_policy *old_lb_policy;
+  grpc_method_config_table *method_config_table = NULL;
   grpc_connectivity_state state = GRPC_CHANNEL_TRANSIENT_FAILURE;
   bool exit_idle = false;
   grpc_error *state_error = GRPC_ERROR_CREATE("No load balancing policy");
@@ -220,6 +226,13 @@
       state =
           grpc_lb_policy_check_connectivity(exec_ctx, lb_policy, &state_error);
     }
+    const grpc_arg *channel_arg = grpc_channel_args_find(
+        lb_policy_args.additional_args, GRPC_ARG_SERVICE_CONFIG);
+    if (channel_arg != NULL) {
+      GPR_ASSERT(channel_arg->type == GRPC_ARG_POINTER);
+      method_config_table = grpc_method_config_table_ref(
+          (grpc_method_config_table *)channel_arg->value.pointer.p);
+    }
     grpc_resolver_result_unref(exec_ctx, chand->resolver_result);
     chand->resolver_result = NULL;
   }
@@ -232,6 +245,10 @@
   gpr_mu_lock(&chand->mu);
   old_lb_policy = chand->lb_policy;
   chand->lb_policy = lb_policy;
+  if (chand->method_config_table != NULL) {
+    grpc_method_config_table_unref(chand->method_config_table);
+  }
+  chand->method_config_table = method_config_table;
   if (lb_policy != NULL) {
     grpc_exec_ctx_enqueue_list(exec_ctx, &chand->waiting_for_config_closures,
                                NULL);
@@ -392,6 +409,9 @@
                                      chand->interested_parties);
     GRPC_LB_POLICY_UNREF(exec_ctx, chand->lb_policy, "channel");
   }
+  if (chand->method_config_table != NULL) {
+    grpc_method_config_table_unref(chand->method_config_table);
+  }
   grpc_connectivity_state_destroy(exec_ctx, &chand->state_tracker);
   grpc_pollset_set_destroy(chand->interested_parties);
   gpr_mu_destroy(&chand->mu);
@@ -424,7 +444,16 @@
   // stack and each has its own mutex.  If/when we have time, find a way
   // to avoid this without breaking the grpc_deadline_state abstraction.
   grpc_deadline_state deadline_state;
+
+  grpc_mdstr *path;  // Request path.
+  gpr_timespec call_start_time;
   gpr_timespec deadline;
+  enum {
+    WAIT_FOR_READY_UNSET,
+    WAIT_FOR_READY_FALSE,
+    WAIT_FOR_READY_TRUE
+  } wait_for_ready_from_service_config;
+  grpc_closure read_service_config;
 
   grpc_error *cancel_error;
 
@@ -532,10 +561,11 @@
                 GRPC_ERROR_CREATE_REFERENCING(
                     "Cancelled before creating subchannel", &error, 1));
   } else {
+    /* Create call on subchannel. */
     grpc_subchannel_call *subchannel_call = NULL;
     grpc_error *new_error = grpc_connected_subchannel_create_call(
-        exec_ctx, calld->connected_subchannel, calld->pollent, calld->deadline,
-        &subchannel_call);
+        exec_ctx, calld->connected_subchannel, calld->pollent, calld->path,
+        calld->deadline, &subchannel_call);
     if (new_error != GRPC_ERROR_NONE) {
       new_error = grpc_error_add_child(new_error, error);
       subchannel_call = CANCELLED_CALL;
@@ -584,11 +614,15 @@
     /* cancelled, do nothing */
   } else if (error != GRPC_ERROR_NONE) {
     grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_REF(error), NULL);
-  } else if (pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
-                             cpa->initial_metadata_flags,
-                             cpa->connected_subchannel, cpa->on_ready,
-                             GRPC_ERROR_NONE)) {
-    grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_NONE, NULL);
+  } else {
+    call_data *calld = cpa->elem->call_data;
+    gpr_mu_lock(&calld->mu);
+    if (pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
+                        cpa->initial_metadata_flags, cpa->connected_subchannel,
+                        cpa->on_ready, GRPC_ERROR_NONE)) {
+      grpc_exec_ctx_sched(exec_ctx, cpa->on_ready, GRPC_ERROR_NONE, NULL);
+    }
+    gpr_mu_unlock(&calld->mu);
   }
   gpr_free(cpa);
 }
@@ -631,18 +665,33 @@
   GPR_ASSERT(error == GRPC_ERROR_NONE);
   if (chand->lb_policy != NULL) {
     grpc_lb_policy *lb_policy = chand->lb_policy;
-    int r;
     GRPC_LB_POLICY_REF(lb_policy, "pick_subchannel");
     gpr_mu_unlock(&chand->mu);
+    // If the application explicitly set wait_for_ready, use that.
+    // Otherwise, if the service config specified a value for this
+    // method, use that.
+    const bool wait_for_ready_set_from_api =
+        initial_metadata_flags &
+        GRPC_INITIAL_METADATA_WAIT_FOR_READY_EXPLICITLY_SET;
+    const bool wait_for_ready_set_from_service_config =
+        calld->wait_for_ready_from_service_config != WAIT_FOR_READY_UNSET;
+    if (!wait_for_ready_set_from_api &&
+        wait_for_ready_set_from_service_config) {
+      if (calld->wait_for_ready_from_service_config == WAIT_FOR_READY_TRUE) {
+        initial_metadata_flags |= GRPC_INITIAL_METADATA_WAIT_FOR_READY;
+      } else {
+        initial_metadata_flags &= ~GRPC_INITIAL_METADATA_WAIT_FOR_READY;
+      }
+    }
     // TODO(dgq): make this deadline configurable somehow.
     const grpc_lb_policy_pick_args inputs = {
         initial_metadata, initial_metadata_flags, &calld->lb_token_mdelem,
         gpr_inf_future(GPR_CLOCK_MONOTONIC)};
-    r = grpc_lb_policy_pick(exec_ctx, lb_policy, &inputs, connected_subchannel,
-                            NULL, on_ready);
+    const bool result = grpc_lb_policy_pick(
+        exec_ctx, lb_policy, &inputs, connected_subchannel, NULL, on_ready);
     GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "pick_subchannel");
     GPR_TIMER_END("pick_subchannel", 0);
-    return r;
+    return result;
   }
   if (chand->resolver != NULL && !chand->started_resolving) {
     chand->started_resolving = true;
@@ -768,8 +817,8 @@
       calld->connected_subchannel != NULL) {
     grpc_subchannel_call *subchannel_call = NULL;
     grpc_error *error = grpc_connected_subchannel_create_call(
-        exec_ctx, calld->connected_subchannel, calld->pollent, calld->deadline,
-        &subchannel_call);
+        exec_ctx, calld->connected_subchannel, calld->pollent, calld->path,
+        calld->deadline, &subchannel_call);
     if (error != GRPC_ERROR_NONE) {
       subchannel_call = CANCELLED_CALL;
       fail_locked(exec_ctx, calld, GRPC_ERROR_REF(error));
@@ -786,13 +835,69 @@
   GPR_TIMER_END("cc_start_transport_stream_op", 0);
 }
 
+// Gets data from the service config.  Invoked when the resolver returns
+// its initial result.
+static void read_service_config(grpc_exec_ctx *exec_ctx, void *arg,
+                                grpc_error *error) {
+  grpc_call_element *elem = arg;
+  channel_data *chand = elem->channel_data;
+  call_data *calld = elem->call_data;
+  // If this is an error, there's no point in looking at the service config.
+  if (error == GRPC_ERROR_NONE) {
+    // Get the method config table from channel data.
+    gpr_mu_lock(&chand->mu);
+    grpc_method_config_table *method_config_table = NULL;
+    if (chand->method_config_table != NULL) {
+      method_config_table =
+          grpc_method_config_table_ref(chand->method_config_table);
+    }
+    gpr_mu_unlock(&chand->mu);
+    // If the method config table was present, use it.
+    if (method_config_table != NULL) {
+      const grpc_method_config *method_config =
+          grpc_method_config_table_get_method_config(method_config_table,
+                                                     calld->path);
+      if (method_config != NULL) {
+        const gpr_timespec *per_method_timeout =
+            grpc_method_config_get_timeout(method_config);
+        const bool *wait_for_ready =
+            grpc_method_config_get_wait_for_ready(method_config);
+        if (per_method_timeout != NULL || wait_for_ready != NULL) {
+          gpr_mu_lock(&calld->mu);
+          if (per_method_timeout != NULL) {
+            gpr_timespec per_method_deadline =
+                gpr_time_add(calld->call_start_time, *per_method_timeout);
+            if (gpr_time_cmp(per_method_deadline, calld->deadline) < 0) {
+              calld->deadline = per_method_deadline;
+              // Reset deadline timer.
+              grpc_deadline_state_reset(exec_ctx, elem, calld->deadline);
+            }
+          }
+          if (wait_for_ready != NULL) {
+            calld->wait_for_ready_from_service_config =
+                *wait_for_ready ? WAIT_FOR_READY_TRUE : WAIT_FOR_READY_FALSE;
+          }
+          gpr_mu_unlock(&calld->mu);
+        }
+      }
+      grpc_method_config_table_unref(method_config_table);
+    }
+  }
+  GRPC_CALL_STACK_UNREF(exec_ctx, calld->owning_call, "read_service_config");
+}
+
 /* Constructor for call_data */
 static grpc_error *cc_init_call_elem(grpc_exec_ctx *exec_ctx,
                                      grpc_call_element *elem,
                                      grpc_call_element_args *args) {
+  channel_data *chand = elem->channel_data;
   call_data *calld = elem->call_data;
-  grpc_deadline_state_init(exec_ctx, elem, args);
-  calld->deadline = args->deadline;
+  // Initialize data members.
+  grpc_deadline_state_init(exec_ctx, elem, args->call_stack);
+  calld->path = GRPC_MDSTR_REF(args->path);
+  calld->call_start_time = args->start_time;
+  calld->deadline = gpr_convert_clock_type(args->deadline, GPR_CLOCK_MONOTONIC);
+  calld->wait_for_ready_from_service_config = WAIT_FOR_READY_UNSET;
   calld->cancel_error = GRPC_ERROR_NONE;
   gpr_atm_rel_store(&calld->subchannel_call, 0);
   gpr_mu_init(&calld->mu);
@@ -803,6 +908,55 @@
   calld->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
   calld->owning_call = args->call_stack;
   calld->pollent = NULL;
+  // If the resolver has already returned results, then we can access
+  // the service config parameters immediately.  Otherwise, we need to
+  // defer that work until the resolver returns an initial result.
+  // TODO(roth): This code is almost but not quite identical to the code
+  // in read_service_config() above.  It would be nice to find a way to
+  // combine them, to avoid having to maintain it twice.
+  gpr_mu_lock(&chand->mu);
+  if (chand->lb_policy != NULL) {
+    // We already have a resolver result, so check for service config.
+    if (chand->method_config_table != NULL) {
+      grpc_method_config_table *method_config_table =
+          grpc_method_config_table_ref(chand->method_config_table);
+      gpr_mu_unlock(&chand->mu);
+      grpc_method_config *method_config =
+          grpc_method_config_table_get_method_config(method_config_table,
+                                                     args->path);
+      if (method_config != NULL) {
+        const gpr_timespec *per_method_timeout =
+            grpc_method_config_get_timeout(method_config);
+        if (per_method_timeout != NULL) {
+          gpr_timespec per_method_deadline =
+              gpr_time_add(calld->call_start_time, *per_method_timeout);
+          calld->deadline = gpr_time_min(calld->deadline, per_method_deadline);
+        }
+        const bool *wait_for_ready =
+            grpc_method_config_get_wait_for_ready(method_config);
+        if (wait_for_ready != NULL) {
+          calld->wait_for_ready_from_service_config =
+              *wait_for_ready ? WAIT_FOR_READY_TRUE : WAIT_FOR_READY_FALSE;
+        }
+      }
+      grpc_method_config_table_unref(method_config_table);
+    } else {
+      gpr_mu_unlock(&chand->mu);
+    }
+  } else {
+    // We don't yet have a resolver result, so register a callback to
+    // get the service config data once the resolver returns.
+    // Take a reference to the call stack to be owned by the callback.
+    GRPC_CALL_STACK_REF(calld->owning_call, "read_service_config");
+    grpc_closure_init(&calld->read_service_config, read_service_config, elem);
+    grpc_closure_list_append(&chand->waiting_for_config_closures,
+                             &calld->read_service_config, GRPC_ERROR_NONE);
+    gpr_mu_unlock(&chand->mu);
+  }
+  // Start the deadline timer with the current deadline value.  If we
+  // do not yet have service config data, then the timer may be reset
+  // later.
+  grpc_deadline_state_start(exec_ctx, elem, calld->deadline);
   return GRPC_ERROR_NONE;
 }
 
@@ -813,6 +967,7 @@
                                  void *and_free_memory) {
   call_data *calld = elem->call_data;
   grpc_deadline_state_destroy(exec_ctx, elem);
+  GRPC_MDSTR_UNREF(calld->path);
   GRPC_ERROR_UNREF(calld->cancel_error);
   grpc_subchannel_call *call = GET_CALL(calld);
   if (call != NULL && call != CANCELLED_CALL) {
diff --git a/src/core/ext/client_config/client_channel.h b/src/core/ext/client_channel/client_channel.h
similarity index 89%
rename from src/core/ext/client_config/client_channel.h
rename to src/core/ext/client_channel/client_channel.h
index abb5ac4..ab5a84f 100644
--- a/src/core/ext/client_config/client_channel.h
+++ b/src/core/ext/client_channel/client_channel.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_H
 
-#include "src/core/ext/client_config/client_channel_factory.h"
-#include "src/core/ext/client_config/resolver.h"
+#include "src/core/ext/client_channel/client_channel_factory.h"
+#include "src/core/ext/client_channel/resolver.h"
 #include "src/core/lib/channel/channel_stack.h"
 
 /* A client channel is a channel that begins disconnected, and can connect
@@ -61,4 +61,4 @@
     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 */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_H */
diff --git a/src/core/ext/client_config/client_channel_factory.c b/src/core/ext/client_channel/client_channel_factory.c
similarity index 97%
rename from src/core/ext/client_config/client_channel_factory.c
rename to src/core/ext/client_channel/client_channel_factory.c
index 71c64c0..db1cc90 100644
--- a/src/core/ext/client_config/client_channel_factory.c
+++ b/src/core/ext/client_channel/client_channel_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/client_channel_factory.h"
+#include "src/core/ext/client_channel/client_channel_factory.h"
 
 void grpc_client_channel_factory_ref(grpc_client_channel_factory* factory) {
   factory->vtable->ref(factory);
diff --git a/src/core/ext/client_config/client_channel_factory.h b/src/core/ext/client_channel/client_channel_factory.h
similarity index 93%
rename from src/core/ext/client_config/client_channel_factory.h
rename to src/core/ext/client_channel/client_channel_factory.h
index 1241b9b..28828c2 100644
--- a/src/core/ext/client_config/client_channel_factory.h
+++ b/src/core/ext/client_channel/client_channel_factory.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_CLIENT_CHANNEL_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H
 
 #include <grpc/impl/codegen/grpc_types.h>
 
-#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/ext/client_channel/subchannel.h"
 #include "src/core/lib/channel/channel_stack.h"
 
 typedef struct grpc_client_channel_factory grpc_client_channel_factory;
@@ -82,4 +82,4 @@
     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 */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CLIENT_CHANNEL_FACTORY_H */
diff --git a/src/core/ext/client_config/client_config_plugin.c b/src/core/ext/client_channel/client_channel_plugin.c
similarity index 91%
rename from src/core/ext/client_config/client_config_plugin.c
rename to src/core/ext/client_channel/client_channel_plugin.c
index dc3629d..a3e5079 100644
--- a/src/core/ext/client_config/client_config_plugin.c
+++ b/src/core/ext/client_channel/client_channel_plugin.c
@@ -37,10 +37,10 @@
 
 #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/ext/client_channel/client_channel.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
+#include "src/core/ext/client_channel/resolver_registry.h"
+#include "src/core/ext/client_channel/subchannel_index.h"
 #include "src/core/lib/surface/channel_init.h"
 
 static bool append_filter(grpc_channel_stack_builder *builder, void *arg) {
@@ -73,7 +73,7 @@
   return true;
 }
 
-void grpc_client_config_init(void) {
+void grpc_client_channel_init(void) {
   grpc_lb_policy_registry_init();
   grpc_resolver_registry_init();
   grpc_subchannel_index_init();
@@ -83,7 +83,7 @@
                                    (void *)&grpc_client_channel_filter);
 }
 
-void grpc_client_config_shutdown(void) {
+void grpc_client_channel_shutdown(void) {
   grpc_subchannel_index_shutdown();
   grpc_channel_init_shutdown();
   grpc_resolver_registry_shutdown();
diff --git a/src/core/ext/client_config/connector.c b/src/core/ext/client_channel/connector.c
similarity index 97%
rename from src/core/ext/client_config/connector.c
rename to src/core/ext/client_channel/connector.c
index 5b629ed..0582e5b 100644
--- a/src/core/ext/client_config/connector.c
+++ b/src/core/ext/client_channel/connector.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/connector.h"
+#include "src/core/ext/client_channel/connector.h"
 
 grpc_connector* grpc_connector_ref(grpc_connector* connector) {
   connector->vtable->ref(connector);
diff --git a/src/core/ext/client_config/connector.h b/src/core/ext/client_channel/connector.h
similarity index 95%
rename from src/core/ext/client_config/connector.h
rename to src/core/ext/client_channel/connector.h
index ea9d237..e08244b 100644
--- a/src/core/ext/client_config/connector.h
+++ b/src/core/ext/client_channel/connector.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_CONNECTOR_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_CONNECTOR_H
 
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/iomgr/sockaddr.h"
@@ -89,4 +89,4 @@
 void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx,
                              grpc_connector *connector);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_CONNECTOR_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_CONNECTOR_H */
diff --git a/src/core/ext/client_config/default_initial_connect_string.c b/src/core/ext/client_channel/default_initial_connect_string.c
similarity index 100%
rename from src/core/ext/client_config/default_initial_connect_string.c
rename to src/core/ext/client_channel/default_initial_connect_string.c
diff --git a/src/core/ext/client_config/http_connect_handshaker.c b/src/core/ext/client_channel/http_connect_handshaker.c
similarity index 98%
rename from src/core/ext/client_config/http_connect_handshaker.c
rename to src/core/ext/client_channel/http_connect_handshaker.c
index fda1df1..ea2cbbd 100644
--- a/src/core/ext/client_config/http_connect_handshaker.c
+++ b/src/core/ext/client_channel/http_connect_handshaker.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/http_connect_handshaker.h"
+#include "src/core/ext/client_channel/http_connect_handshaker.h"
 
 #include <string.h>
 
@@ -40,7 +40,7 @@
 #include <grpc/support/slice_buffer.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/ext/client_channel/uri_parser.h"
 #include "src/core/lib/http/format_request.h"
 #include "src/core/lib/http/parser.h"
 #include "src/core/lib/iomgr/timer.h"
diff --git a/src/core/ext/client_config/http_connect_handshaker.h b/src/core/ext/client_channel/http_connect_handshaker.h
similarity index 90%
rename from src/core/ext/client_config/http_connect_handshaker.h
rename to src/core/ext/client_channel/http_connect_handshaker.h
index 1fc3948..c689df2 100644
--- a/src/core/ext/client_config/http_connect_handshaker.h
+++ b/src/core/ext/client_channel/http_connect_handshaker.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_HTTP_CONNECT_HANDSHAKER_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_HTTP_CONNECT_HANDSHAKER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H
 
 #include "src/core/lib/channel/handshaker.h"
 
@@ -44,4 +44,4 @@
 /// Caller takes ownership of result.
 char* grpc_get_http_proxy_server();
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_HTTP_CONNECT_HANDSHAKER_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_HTTP_CONNECT_HANDSHAKER_H */
diff --git a/src/core/ext/client_config/initial_connect_string.c b/src/core/ext/client_channel/initial_connect_string.c
similarity index 97%
rename from src/core/ext/client_config/initial_connect_string.c
rename to src/core/ext/client_channel/initial_connect_string.c
index 41580d2..fd8ddb8 100644
--- a/src/core/ext/client_config/initial_connect_string.c
+++ b/src/core/ext/client_channel/initial_connect_string.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/ext/client_channel/initial_connect_string.h"
 
 #include <stddef.h>
 
diff --git a/src/core/ext/client_config/initial_connect_string.h b/src/core/ext/client_channel/initial_connect_string.h
similarity index 91%
rename from src/core/ext/client_config/initial_connect_string.h
rename to src/core/ext/client_channel/initial_connect_string.h
index 06f0767..39f6465 100644
--- a/src/core/ext/client_config/initial_connect_string.h
+++ b/src/core/ext/client_channel/initial_connect_string.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_INITIAL_CONNECT_STRING_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_INITIAL_CONNECT_STRING_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_INITIAL_CONNECT_STRING_H
 
 #include <grpc/support/slice.h>
 #include "src/core/lib/iomgr/sockaddr.h"
@@ -47,4 +47,4 @@
 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 */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_INITIAL_CONNECT_STRING_H */
diff --git a/src/core/ext/client_config/lb_policy.c b/src/core/ext/client_channel/lb_policy.c
similarity index 98%
rename from src/core/ext/client_config/lb_policy.c
rename to src/core/ext/client_channel/lb_policy.c
index 4639127..45ee72e 100644
--- a/src/core/ext/client_config/lb_policy.c
+++ b/src/core/ext/client_channel/lb_policy.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/lb_policy.h"
+#include "src/core/ext/client_channel/lb_policy.h"
 
 #define WEAK_REF_BITS 16
 
diff --git a/src/core/ext/client_config/lb_policy.h b/src/core/ext/client_channel/lb_policy.h
similarity index 97%
rename from src/core/ext/client_config/lb_policy.h
rename to src/core/ext/client_channel/lb_policy.h
index de424cd..54ad779 100644
--- a/src/core/ext/client_config/lb_policy.h
+++ b/src/core/ext/client_channel/lb_policy.h
@@ -31,10 +31,11 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_H
 
-#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/ext/client_channel/subchannel.h"
+#include "src/core/lib/iomgr/polling_entity.h"
 #include "src/core/lib/transport/connectivity_state.h"
 
 /** A load balancing policy: specified by a vtable and a struct (which
@@ -192,4 +193,4 @@
     grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
     grpc_error **connectivity_error);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_H */
diff --git a/src/core/ext/client_config/lb_policy_factory.c b/src/core/ext/client_channel/lb_policy_factory.c
similarity index 98%
rename from src/core/ext/client_config/lb_policy_factory.c
rename to src/core/ext/client_channel/lb_policy_factory.c
index c17af91..45753e6 100644
--- a/src/core/ext/client_config/lb_policy_factory.c
+++ b/src/core/ext/client_channel/lb_policy_factory.c
@@ -36,7 +36,7 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_channel/lb_policy_factory.h"
 
 grpc_lb_addresses* grpc_lb_addresses_create(size_t num_addresses) {
   grpc_lb_addresses* addresses = gpr_malloc(sizeof(grpc_lb_addresses));
diff --git a/src/core/ext/client_config/lb_policy_factory.h b/src/core/ext/client_channel/lb_policy_factory.h
similarity index 94%
rename from src/core/ext/client_config/lb_policy_factory.h
rename to src/core/ext/client_channel/lb_policy_factory.h
index ade5570..3e53972 100644
--- a/src/core/ext/client_config/lb_policy_factory.h
+++ b/src/core/ext/client_channel/lb_policy_factory.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_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/ext/client_channel/client_channel_factory.h"
+#include "src/core/ext/client_channel/lb_policy.h"
 
 #include "src/core/lib/iomgr/exec_ctx.h"
 #include "src/core/lib/iomgr/resolve_address.h"
@@ -118,4 +118,4 @@
     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 */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_FACTORY_H */
diff --git a/src/core/ext/client_config/lb_policy_registry.c b/src/core/ext/client_channel/lb_policy_registry.c
similarity index 97%
rename from src/core/ext/client_config/lb_policy_registry.c
rename to src/core/ext/client_channel/lb_policy_registry.c
index a23643e..f46a721 100644
--- a/src/core/ext/client_config/lb_policy_registry.c
+++ b/src/core/ext/client_channel/lb_policy_registry.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
 
 #include <string.h>
 
diff --git a/src/core/ext/client_config/lb_policy_registry.h b/src/core/ext/client_channel/lb_policy_registry.h
similarity index 90%
rename from src/core/ext/client_config/lb_policy_registry.h
rename to src/core/ext/client_channel/lb_policy_registry.h
index 92f38d6..21c468e 100644
--- a/src/core/ext/client_config/lb_policy_registry.h
+++ b/src/core/ext/client_channel/lb_policy_registry.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_LB_POLICY_REGISTRY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H
 
-#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_channel/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
@@ -52,4 +52,4 @@
 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 */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_LB_POLICY_REGISTRY_H */
diff --git a/src/core/ext/client_channel/method_config.c b/src/core/ext/client_channel/method_config.c
new file mode 100644
index 0000000..49d1ad3
--- /dev/null
+++ b/src/core/ext/client_channel/method_config.c
@@ -0,0 +1,296 @@
+//
+// 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_channel/method_config.h"
+
+#include <string.h>
+
+#include <grpc/impl/codegen/grpc_types.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/time.h>
+
+#include "src/core/lib/transport/mdstr_hash_table.h"
+#include "src/core/lib/transport/metadata.h"
+
+//
+// grpc_method_config
+//
+
+// bool vtable
+
+static void* bool_copy(void* valuep) {
+  bool value = *(bool*)valuep;
+  bool* new_value = gpr_malloc(sizeof(bool));
+  *new_value = value;
+  return new_value;
+}
+
+static int bool_cmp(void* v1, void* v2) {
+  bool b1 = *(bool*)v1;
+  bool b2 = *(bool*)v2;
+  if (!b1 && b2) return -1;
+  if (b1 && !b2) return 1;
+  return 0;
+}
+
+static grpc_mdstr_hash_table_vtable bool_vtable = {gpr_free, bool_copy,
+                                                   bool_cmp};
+
+// timespec vtable
+
+static void* timespec_copy(void* valuep) {
+  gpr_timespec value = *(gpr_timespec*)valuep;
+  gpr_timespec* new_value = gpr_malloc(sizeof(gpr_timespec));
+  *new_value = value;
+  return new_value;
+}
+
+static int timespec_cmp(void* v1, void* v2) {
+  return gpr_time_cmp(*(gpr_timespec*)v1, *(gpr_timespec*)v2);
+}
+
+static grpc_mdstr_hash_table_vtable timespec_vtable = {gpr_free, timespec_copy,
+                                                       timespec_cmp};
+
+// int32 vtable
+
+static void* int32_copy(void* valuep) {
+  int32_t value = *(int32_t*)valuep;
+  int32_t* new_value = gpr_malloc(sizeof(int32_t));
+  *new_value = value;
+  return new_value;
+}
+
+static int int32_cmp(void* v1, void* v2) {
+  int32_t i1 = *(int32_t*)v1;
+  int32_t i2 = *(int32_t*)v2;
+  if (i1 < i2) return -1;
+  if (i1 > i2) return 1;
+  return 0;
+}
+
+static grpc_mdstr_hash_table_vtable int32_vtable = {gpr_free, int32_copy,
+                                                    int32_cmp};
+
+// Hash table keys.
+#define GRPC_METHOD_CONFIG_WAIT_FOR_READY "grpc.wait_for_ready"  // bool
+#define GRPC_METHOD_CONFIG_TIMEOUT "grpc.timeout"                // gpr_timespec
+#define GRPC_METHOD_CONFIG_MAX_REQUEST_MESSAGE_BYTES \
+  "grpc.max_request_message_bytes"  // int32
+#define GRPC_METHOD_CONFIG_MAX_RESPONSE_MESSAGE_BYTES \
+  "grpc.max_response_message_bytes"  // int32
+
+struct grpc_method_config {
+  grpc_mdstr_hash_table* table;
+  grpc_mdstr* wait_for_ready_key;
+  grpc_mdstr* timeout_key;
+  grpc_mdstr* max_request_message_bytes_key;
+  grpc_mdstr* max_response_message_bytes_key;
+};
+
+grpc_method_config* grpc_method_config_create(
+    bool* wait_for_ready, gpr_timespec* timeout,
+    int32_t* max_request_message_bytes, int32_t* max_response_message_bytes) {
+  grpc_method_config* method_config = gpr_malloc(sizeof(grpc_method_config));
+  memset(method_config, 0, sizeof(grpc_method_config));
+  method_config->wait_for_ready_key =
+      grpc_mdstr_from_string(GRPC_METHOD_CONFIG_WAIT_FOR_READY);
+  method_config->timeout_key =
+      grpc_mdstr_from_string(GRPC_METHOD_CONFIG_TIMEOUT);
+  method_config->max_request_message_bytes_key =
+      grpc_mdstr_from_string(GRPC_METHOD_CONFIG_MAX_REQUEST_MESSAGE_BYTES);
+  method_config->max_response_message_bytes_key =
+      grpc_mdstr_from_string(GRPC_METHOD_CONFIG_MAX_RESPONSE_MESSAGE_BYTES);
+  grpc_mdstr_hash_table_entry entries[4];
+  size_t num_entries = 0;
+  if (wait_for_ready != NULL) {
+    entries[num_entries].key = method_config->wait_for_ready_key;
+    entries[num_entries].value = wait_for_ready;
+    entries[num_entries].vtable = &bool_vtable;
+    ++num_entries;
+  }
+  if (timeout != NULL) {
+    entries[num_entries].key = method_config->timeout_key;
+    entries[num_entries].value = timeout;
+    entries[num_entries].vtable = &timespec_vtable;
+    ++num_entries;
+  }
+  if (max_request_message_bytes != NULL) {
+    entries[num_entries].key = method_config->max_request_message_bytes_key;
+    entries[num_entries].value = max_request_message_bytes;
+    entries[num_entries].vtable = &int32_vtable;
+    ++num_entries;
+  }
+  if (max_response_message_bytes != NULL) {
+    entries[num_entries].key = method_config->max_response_message_bytes_key;
+    entries[num_entries].value = max_response_message_bytes;
+    entries[num_entries].vtable = &int32_vtable;
+    ++num_entries;
+  }
+  method_config->table = grpc_mdstr_hash_table_create(num_entries, entries);
+  return method_config;
+}
+
+grpc_method_config* grpc_method_config_ref(grpc_method_config* method_config) {
+  grpc_mdstr_hash_table_ref(method_config->table);
+  return method_config;
+}
+
+void grpc_method_config_unref(grpc_method_config* method_config) {
+  if (grpc_mdstr_hash_table_unref(method_config->table)) {
+    GRPC_MDSTR_UNREF(method_config->wait_for_ready_key);
+    GRPC_MDSTR_UNREF(method_config->timeout_key);
+    GRPC_MDSTR_UNREF(method_config->max_request_message_bytes_key);
+    GRPC_MDSTR_UNREF(method_config->max_response_message_bytes_key);
+    gpr_free(method_config);
+  }
+}
+
+int grpc_method_config_cmp(const grpc_method_config* method_config1,
+                           const grpc_method_config* method_config2) {
+  return grpc_mdstr_hash_table_cmp(method_config1->table,
+                                   method_config2->table);
+}
+
+const bool* grpc_method_config_get_wait_for_ready(
+    const grpc_method_config* method_config) {
+  return grpc_mdstr_hash_table_get(method_config->table,
+                                   method_config->wait_for_ready_key);
+}
+
+const gpr_timespec* grpc_method_config_get_timeout(
+    const grpc_method_config* method_config) {
+  return grpc_mdstr_hash_table_get(method_config->table,
+                                   method_config->timeout_key);
+}
+
+const int32_t* grpc_method_config_get_max_request_message_bytes(
+    const grpc_method_config* method_config) {
+  return grpc_mdstr_hash_table_get(
+      method_config->table, method_config->max_request_message_bytes_key);
+}
+
+const int32_t* grpc_method_config_get_max_response_message_bytes(
+    const grpc_method_config* method_config) {
+  return grpc_mdstr_hash_table_get(
+      method_config->table, method_config->max_response_message_bytes_key);
+}
+
+//
+// grpc_method_config_table
+//
+
+static void method_config_unref(void* valuep) {
+  grpc_method_config_unref(valuep);
+}
+
+static void* method_config_ref(void* valuep) {
+  return grpc_method_config_ref(valuep);
+}
+
+static int method_config_cmp(void* valuep1, void* valuep2) {
+  return grpc_method_config_cmp(valuep1, valuep2);
+}
+
+static const grpc_mdstr_hash_table_vtable method_config_table_vtable = {
+    method_config_unref, method_config_ref, method_config_cmp};
+
+grpc_method_config_table* grpc_method_config_table_create(
+    size_t num_entries, grpc_method_config_table_entry* entries) {
+  grpc_mdstr_hash_table_entry* hash_table_entries =
+      gpr_malloc(sizeof(grpc_mdstr_hash_table_entry) * num_entries);
+  for (size_t i = 0; i < num_entries; ++i) {
+    hash_table_entries[i].key = entries[i].method_name;
+    hash_table_entries[i].value = entries[i].method_config;
+    hash_table_entries[i].vtable = &method_config_table_vtable;
+  }
+  grpc_method_config_table* method_config_table =
+      grpc_mdstr_hash_table_create(num_entries, hash_table_entries);
+  gpr_free(hash_table_entries);
+  return method_config_table;
+}
+
+grpc_method_config_table* grpc_method_config_table_ref(
+    grpc_method_config_table* table) {
+  return grpc_mdstr_hash_table_ref(table);
+}
+
+void grpc_method_config_table_unref(grpc_method_config_table* table) {
+  grpc_mdstr_hash_table_unref(table);
+}
+
+int grpc_method_config_table_cmp(const grpc_method_config_table* table1,
+                                 const grpc_method_config_table* table2) {
+  return grpc_mdstr_hash_table_cmp(table1, table2);
+}
+
+grpc_method_config* grpc_method_config_table_get_method_config(
+    const grpc_method_config_table* table, const grpc_mdstr* path) {
+  grpc_method_config* method_config = grpc_mdstr_hash_table_get(table, path);
+  // If we didn't find a match for the path, try looking for a wildcard
+  // entry (i.e., change "/service/method" to "/service/*").
+  if (method_config == NULL) {
+    const char* path_str = grpc_mdstr_as_c_string(path);
+    const char* sep = strrchr(path_str, '/') + 1;
+    const size_t len = (size_t)(sep - path_str);
+    char* buf = gpr_malloc(len + 2);  // '*' and NUL
+    memcpy(buf, path_str, len);
+    buf[len] = '*';
+    buf[len + 1] = '\0';
+    grpc_mdstr* wildcard_path = grpc_mdstr_from_string(buf);
+    gpr_free(buf);
+    method_config = grpc_mdstr_hash_table_get(table, wildcard_path);
+    GRPC_MDSTR_UNREF(wildcard_path);
+  }
+  return method_config;
+}
+
+static void* copy_arg(void* p) { return grpc_method_config_table_ref(p); }
+
+static void destroy_arg(void* p) { grpc_method_config_table_unref(p); }
+
+static int cmp_arg(void* p1, void* p2) {
+  return grpc_method_config_table_cmp(p1, p2);
+}
+
+static grpc_arg_pointer_vtable arg_vtable = {copy_arg, destroy_arg, cmp_arg};
+
+grpc_arg grpc_method_config_table_create_channel_arg(
+    grpc_method_config_table* table) {
+  grpc_arg arg;
+  arg.type = GRPC_ARG_POINTER;
+  arg.key = GRPC_ARG_SERVICE_CONFIG;
+  arg.value.pointer.p = table;
+  arg.value.pointer.vtable = &arg_vtable;
+  return arg;
+}
diff --git a/src/core/ext/client_channel/method_config.h b/src/core/ext/client_channel/method_config.h
new file mode 100644
index 0000000..75b32fc
--- /dev/null
+++ b/src/core/ext/client_channel/method_config.h
@@ -0,0 +1,116 @@
+//
+// 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_CHANNEL_METHOD_CONFIG_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_METHOD_CONFIG_H
+
+#include <stdbool.h>
+
+#include <grpc/impl/codegen/gpr_types.h>
+#include <grpc/impl/codegen/grpc_types.h>
+
+#include "src/core/lib/transport/mdstr_hash_table.h"
+#include "src/core/lib/transport/metadata.h"
+
+/// Per-method configuration.
+typedef struct grpc_method_config grpc_method_config;
+
+/// Creates a grpc_method_config with the specified parameters.
+/// Any parameter may be NULL to indicate that the value is unset.
+///
+/// \a wait_for_ready indicates whether the client should wait until the
+/// request deadline for the channel to become ready, even if there is a
+/// temporary failure before the deadline while attempting to connect.
+///
+/// \a timeout indicates the timeout for calls.
+///
+/// \a max_request_message_bytes and \a max_response_message_bytes
+/// indicate the maximum sizes of the request (checked when sending) and
+/// response (checked when receiving) messages.
+grpc_method_config* grpc_method_config_create(
+    bool* wait_for_ready, gpr_timespec* timeout,
+    int32_t* max_request_message_bytes, int32_t* max_response_message_bytes);
+
+grpc_method_config* grpc_method_config_ref(grpc_method_config* method_config);
+void grpc_method_config_unref(grpc_method_config* method_config);
+
+/// Compares two grpc_method_configs.
+/// The sort order is stable but undefined.
+int grpc_method_config_cmp(const grpc_method_config* method_config1,
+                           const grpc_method_config* method_config2);
+
+/// These methods return NULL if the requested field is unset.
+/// The caller does NOT take ownership of the result.
+const bool* grpc_method_config_get_wait_for_ready(
+    const grpc_method_config* method_config);
+const gpr_timespec* grpc_method_config_get_timeout(
+    const grpc_method_config* method_config);
+const int32_t* grpc_method_config_get_max_request_message_bytes(
+    const grpc_method_config* method_config);
+const int32_t* grpc_method_config_get_max_response_message_bytes(
+    const grpc_method_config* method_config);
+
+/// A table of method configs.
+typedef grpc_mdstr_hash_table grpc_method_config_table;
+
+typedef struct grpc_method_config_table_entry {
+  /// The name is of one of the following forms:
+  ///   service/method -- specifies exact service and method name
+  ///   service/*      -- matches all methods for the specified service
+  grpc_mdstr* method_name;
+  grpc_method_config* method_config;
+} grpc_method_config_table_entry;
+
+/// Takes new references to all keys and values in \a entries.
+grpc_method_config_table* grpc_method_config_table_create(
+    size_t num_entries, grpc_method_config_table_entry* entries);
+
+grpc_method_config_table* grpc_method_config_table_ref(
+    grpc_method_config_table* table);
+void grpc_method_config_table_unref(grpc_method_config_table* table);
+
+/// Compares two grpc_method_config_tables.
+/// The sort order is stable but undefined.
+int grpc_method_config_table_cmp(const grpc_method_config_table* table1,
+                                 const grpc_method_config_table* table2);
+
+/// Gets the method config for the specified \a path, which should be of
+/// the form "/service/method".
+/// Returns NULL if the method has no config.
+/// Caller does NOT own a reference to the result.
+grpc_method_config* grpc_method_config_table_get_method_config(
+    const grpc_method_config_table* table, const grpc_mdstr* path);
+
+/// Returns a channel arg containing \a table.
+grpc_arg grpc_method_config_table_create_channel_arg(
+    grpc_method_config_table* table);
+
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_METHOD_CONFIG_H */
diff --git a/src/core/ext/client_config/parse_address.c b/src/core/ext/client_channel/parse_address.c
similarity index 98%
rename from src/core/ext/client_config/parse_address.c
rename to src/core/ext/client_channel/parse_address.c
index 8b4abe2..31ca442 100644
--- a/src/core/ext/client_config/parse_address.c
+++ b/src/core/ext/client_channel/parse_address.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/parse_address.h"
+#include "src/core/ext/client_channel/parse_address.h"
 
 #include <stdio.h>
 #include <string.h>
diff --git a/src/core/ext/client_config/parse_address.h b/src/core/ext/client_channel/parse_address.h
similarity index 91%
rename from src/core/ext/client_config/parse_address.h
rename to src/core/ext/client_channel/parse_address.h
index 74c86f4..3aa6c41 100644
--- a/src/core/ext/client_config/parse_address.h
+++ b/src/core/ext/client_channel/parse_address.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_PARSE_ADDRESS_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_PARSE_ADDRESS_H
 
 #include <stddef.h>
 
-#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/ext/client_channel/uri_parser.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 
 #ifdef GPR_HAVE_UNIX_SOCKET
@@ -53,4 +53,4 @@
  * host:port pair. Returns true upon success. */
 int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_PARSE_ADDRESS_H */
diff --git a/src/core/ext/client_config/resolver.c b/src/core/ext/client_channel/resolver.c
similarity index 98%
rename from src/core/ext/client_config/resolver.c
rename to src/core/ext/client_channel/resolver.c
index 7534ea6..0c26d95 100644
--- a/src/core/ext/client_config/resolver.c
+++ b/src/core/ext/client_channel/resolver.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/resolver.h"
+#include "src/core/ext/client_channel/resolver.h"
 
 void grpc_resolver_init(grpc_resolver *resolver,
                         const grpc_resolver_vtable *vtable) {
diff --git a/src/core/ext/client_config/resolver.h b/src/core/ext/client_channel/resolver.h
similarity index 93%
rename from src/core/ext/client_config/resolver.h
rename to src/core/ext/client_channel/resolver.h
index 88ac262..0951613 100644
--- a/src/core/ext/client_config/resolver.h
+++ b/src/core/ext/client_channel/resolver.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_H
 
-#include "src/core/ext/client_config/resolver_result.h"
-#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/ext/client_channel/resolver_result.h"
+#include "src/core/ext/client_channel/subchannel.h"
 #include "src/core/lib/iomgr/iomgr.h"
 
 typedef struct grpc_resolver grpc_resolver;
@@ -91,4 +91,4 @@
                         grpc_resolver_result **result,
                         grpc_closure *on_complete);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_H */
diff --git a/src/core/ext/client_config/resolver_factory.c b/src/core/ext/client_channel/resolver_factory.c
similarity index 97%
rename from src/core/ext/client_config/resolver_factory.c
rename to src/core/ext/client_channel/resolver_factory.c
index 67832dc..7c3d644 100644
--- a/src/core/ext/client_config/resolver_factory.c
+++ b/src/core/ext/client_channel/resolver_factory.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/resolver_factory.h"
+#include "src/core/ext/client_channel/resolver_factory.h"
 
 void grpc_resolver_factory_ref(grpc_resolver_factory* factory) {
   factory->vtable->ref(factory);
diff --git a/src/core/ext/client_config/resolver_factory.h b/src/core/ext/client_channel/resolver_factory.h
similarity index 89%
rename from src/core/ext/client_config/resolver_factory.h
rename to src/core/ext/client_channel/resolver_factory.h
index 9ec5b9a..1ad018c 100644
--- a/src/core/ext/client_config/resolver_factory.h
+++ b/src/core/ext/client_channel/resolver_factory.h
@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_FACTORY_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_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"
+#include "src/core/ext/client_channel/client_channel_factory.h"
+#include "src/core/ext/client_channel/resolver.h"
+#include "src/core/ext/client_channel/uri_parser.h"
 
 typedef struct grpc_resolver_factory grpc_resolver_factory;
 typedef struct grpc_resolver_factory_vtable grpc_resolver_factory_vtable;
@@ -76,4 +76,4 @@
 char *grpc_resolver_factory_get_default_authority(
     grpc_resolver_factory *factory, grpc_uri *uri);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_FACTORY_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_FACTORY_H */
diff --git a/src/core/ext/client_config/resolver_registry.c b/src/core/ext/client_channel/resolver_registry.c
similarity index 97%
rename from src/core/ext/client_config/resolver_registry.c
rename to src/core/ext/client_channel/resolver_registry.c
index bd5c683..ee43329 100644
--- a/src/core/ext/client_config/resolver_registry.c
+++ b/src/core/ext/client_channel/resolver_registry.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/resolver_registry.h"
 
 #include <string.h>
 
@@ -55,7 +55,7 @@
     grpc_resolver_factory_unref(g_all_of_the_resolvers[i]);
   }
   // FIXME(ctiller): this should live in grpc_resolver_registry_init,
-  // however that would have the client_config plugin call this AFTER we start
+  // however that would have the client_channel plugin call this AFTER we start
   // registering resolvers from third party plugins, and so they'd never show
   // up.
   // We likely need some kind of dependency system for plugins.... what form
diff --git a/src/core/ext/client_config/resolver_registry.h b/src/core/ext/client_channel/resolver_registry.h
similarity index 92%
rename from src/core/ext/client_config/resolver_registry.h
rename to src/core/ext/client_channel/resolver_registry.h
index 4c6279b..0a39d4a 100644
--- a/src/core/ext/client_config/resolver_registry.h
+++ b/src/core/ext/client_channel/resolver_registry.h
@@ -31,10 +31,10 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_REGISTRY_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H
 
-#include "src/core/ext/client_config/resolver_factory.h"
+#include "src/core/ext/client_channel/resolver_factory.h"
 
 void grpc_resolver_registry_init();
 void grpc_resolver_registry_shutdown(void);
@@ -68,4 +68,4 @@
     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 */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_REGISTRY_H */
diff --git a/src/core/ext/client_config/resolver_result.c b/src/core/ext/client_channel/resolver_result.c
similarity index 98%
rename from src/core/ext/client_config/resolver_result.c
rename to src/core/ext/client_channel/resolver_result.c
index 63480d1..ab1c215 100644
--- a/src/core/ext/client_config/resolver_result.c
+++ b/src/core/ext/client_channel/resolver_result.c
@@ -29,7 +29,7 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //
 
-#include "src/core/ext/client_config/resolver_result.h"
+#include "src/core/ext/client_channel/resolver_result.h"
 
 #include <string.h>
 
diff --git a/src/core/ext/client_config/resolver_result.h b/src/core/ext/client_channel/resolver_result.h
similarity index 86%
rename from src/core/ext/client_config/resolver_result.h
rename to src/core/ext/client_channel/resolver_result.h
index 414c2e2..5421fd9 100644
--- a/src/core/ext/client_config/resolver_result.h
+++ b/src/core/ext/client_channel/resolver_result.h
@@ -29,11 +29,10 @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_RESULT_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_RESULT_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_RESULT_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_RESULT_H
 
-#include "src/core/ext/client_config/lb_policy_factory.h"
-#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/ext/client_channel/lb_policy_factory.h"
 
 // TODO(roth, ctiller): In the long term, we are considering replacing
 // the resolver_result data structure with grpc_channel_args.  The idea is
@@ -52,23 +51,18 @@
 grpc_resolver_result* grpc_resolver_result_create(
     const char* server_name, grpc_lb_addresses* addresses,
     const char* lb_policy_name, grpc_channel_args* lb_policy_args);
+
 void grpc_resolver_result_ref(grpc_resolver_result* result);
 void grpc_resolver_result_unref(grpc_exec_ctx* exec_ctx,
                                 grpc_resolver_result* result);
 
-/// Caller does NOT take ownership of result.
+/// Accessors.  Caller does NOT take ownership of results.
 const char* grpc_resolver_result_get_server_name(grpc_resolver_result* result);
-
-/// Caller does NOT take ownership of result.
 grpc_lb_addresses* grpc_resolver_result_get_addresses(
     grpc_resolver_result* result);
-
-/// Caller does NOT take ownership of result.
 const char* grpc_resolver_result_get_lb_policy_name(
     grpc_resolver_result* result);
-
-/// Caller does NOT take ownership of result.
 grpc_channel_args* grpc_resolver_result_get_lb_policy_args(
     grpc_resolver_result* result);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_RESOLVER_RESULT_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_RESOLVER_RESULT_H */
diff --git a/src/core/ext/client_config/subchannel.c b/src/core/ext/client_channel/subchannel.c
similarity index 98%
rename from src/core/ext/client_config/subchannel.c
rename to src/core/ext/client_channel/subchannel.c
index 4cece2d..672e5c3 100644
--- a/src/core/ext/client_config/subchannel.c
+++ b/src/core/ext/client_channel/subchannel.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/ext/client_channel/subchannel.h"
 
 #include <limits.h>
 #include <string.h>
@@ -39,9 +39,9 @@
 #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/ext/client_channel/client_channel.h"
+#include "src/core/ext/client_channel/initial_connect_string.h"
+#include "src/core/ext/client_channel/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"
@@ -704,7 +704,7 @@
 
 grpc_error *grpc_connected_subchannel_create_call(
     grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *con,
-    grpc_polling_entity *pollent, gpr_timespec deadline,
+    grpc_polling_entity *pollent, grpc_mdstr *path, gpr_timespec deadline,
     grpc_subchannel_call **call) {
   grpc_channel_stack *chanstk = CHANNEL_STACK_FROM_CONNECTION(con);
   *call = gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
@@ -712,7 +712,7 @@
   (*call)->connection = con;  // Ref is added below.
   grpc_error *error =
       grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, *call,
-                           NULL, NULL, deadline, callstk);
+                           NULL, NULL, path, deadline, callstk);
   if (error != GRPC_ERROR_NONE) {
     const char *error_string = grpc_error_string(error);
     gpr_log(GPR_ERROR, "error: %s", error_string);
diff --git a/src/core/ext/client_config/subchannel.h b/src/core/ext/client_channel/subchannel.h
similarity index 95%
rename from src/core/ext/client_config/subchannel.h
rename to src/core/ext/client_channel/subchannel.h
index 3330621..c4a7da0 100644
--- a/src/core/ext/client_config/subchannel.h
+++ b/src/core/ext/client_channel/subchannel.h
@@ -31,13 +31,14 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H
 
-#include "src/core/ext/client_config/connector.h"
+#include "src/core/ext/client_channel/connector.h"
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/iomgr/polling_entity.h"
 #include "src/core/lib/transport/connectivity_state.h"
+#include "src/core/lib/transport/metadata.h"
 
 /** A (sub-)channel that knows how to connect to exactly one target
     address. Provides a target for load balancing. */
@@ -110,7 +111,7 @@
 /** construct a subchannel call */
 grpc_error *grpc_connected_subchannel_create_call(
     grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *connected_subchannel,
-    grpc_polling_entity *pollent, gpr_timespec deadline,
+    grpc_polling_entity *pollent, grpc_mdstr *path, gpr_timespec deadline,
     grpc_subchannel_call **subchannel_call);
 
 /** process a transport level op */
@@ -175,4 +176,4 @@
                                         grpc_connector *connector,
                                         grpc_subchannel_args *args);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_H */
diff --git a/src/core/ext/client_config/subchannel_index.c b/src/core/ext/client_channel/subchannel_index.c
similarity index 99%
rename from src/core/ext/client_config/subchannel_index.c
rename to src/core/ext/client_channel/subchannel_index.c
index 673f85b..bf22975 100644
--- a/src/core/ext/client_config/subchannel_index.c
+++ b/src/core/ext/client_channel/subchannel_index.c
@@ -31,7 +31,7 @@
 //
 //
 
-#include "src/core/ext/client_config/subchannel_index.h"
+#include "src/core/ext/client_channel/subchannel_index.h"
 
 #include <stdbool.h>
 #include <string.h>
diff --git a/src/core/ext/client_config/subchannel_index.h b/src/core/ext/client_channel/subchannel_index.h
similarity index 91%
rename from src/core/ext/client_config/subchannel_index.h
rename to src/core/ext/client_channel/subchannel_index.h
index 6b8d063..5b3af6b 100644
--- a/src/core/ext/client_config/subchannel_index.h
+++ b/src/core/ext/client_channel/subchannel_index.h
@@ -31,11 +31,11 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H
 
-#include "src/core/ext/client_config/connector.h"
-#include "src/core/ext/client_config/subchannel.h"
+#include "src/core/ext/client_channel/connector.h"
+#include "src/core/ext/client_channel/subchannel.h"
 
 /** \file Provides an index of active subchannels so that they can be
     shared amongst channels */
@@ -74,4 +74,4 @@
 /** Shutdown the subchannel index (global) */
 void grpc_subchannel_index_shutdown(void);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_SUBCHANNEL_INDEX_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_SUBCHANNEL_INDEX_H */
diff --git a/src/core/ext/client_config/uri_parser.c b/src/core/ext/client_channel/uri_parser.c
similarity index 99%
rename from src/core/ext/client_config/uri_parser.c
rename to src/core/ext/client_channel/uri_parser.c
index 3ca1a58..bcb6a1d 100644
--- a/src/core/ext/client_config/uri_parser.c
+++ b/src/core/ext/client_channel/uri_parser.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/ext/client_channel/uri_parser.h"
 
 #include <string.h>
 
diff --git a/src/core/ext/client_config/uri_parser.h b/src/core/ext/client_channel/uri_parser.h
similarity index 93%
rename from src/core/ext/client_config/uri_parser.h
rename to src/core/ext/client_channel/uri_parser.h
index 875a7cb..5fe0e8f 100644
--- a/src/core/ext/client_config/uri_parser.h
+++ b/src/core/ext/client_channel/uri_parser.h
@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
-#define GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H
+#ifndef GRPC_CORE_EXT_CLIENT_CHANNEL_URI_PARSER_H
+#define GRPC_CORE_EXT_CLIENT_CHANNEL_URI_PARSER_H
 
 #include <stddef.h>
 
@@ -60,4 +60,4 @@
 /** destroy a uri */
 void grpc_uri_destroy(grpc_uri *uri);
 
-#endif /* GRPC_CORE_EXT_CLIENT_CONFIG_URI_PARSER_H */
+#endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_URI_PARSER_H */
diff --git a/src/core/ext/lb_policy/grpclb/grpclb.c b/src/core/ext/lb_policy/grpclb/grpclb.c
index 9af92b7..4120901 100644
--- a/src/core/ext/lb_policy/grpclb/grpclb.c
+++ b/src/core/ext/lb_policy/grpclb/grpclb.c
@@ -107,12 +107,13 @@
 #include <grpc/support/string_util.h>
 #include <grpc/support/time.h>
 
-#include "src/core/ext/client_config/client_channel_factory.h"
-#include "src/core/ext/client_config/lb_policy_factory.h"
-#include "src/core/ext/client_config/lb_policy_registry.h"
-#include "src/core/ext/client_config/parse_address.h"
+#include "src/core/ext/client_channel/client_channel_factory.h"
+#include "src/core/ext/client_channel/lb_policy_factory.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
+#include "src/core/ext/client_channel/parse_address.h"
 #include "src/core/ext/lb_policy/grpclb/grpclb.h"
 #include "src/core/ext/lb_policy/grpclb/load_balancer_api.h"
+#include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/iomgr/sockaddr_utils.h"
 #include "src/core/lib/support/string.h"
@@ -270,6 +271,7 @@
   /** who the client is trying to communicate with */
   const char *server_name;
   grpc_client_channel_factory *cc_factory;
+  grpc_channel_args *args;
 
   /** deadline for the LB's call */
   gpr_timespec deadline;
@@ -457,6 +459,7 @@
   args.server_name = glb_policy->server_name;
   args.client_channel_factory = glb_policy->cc_factory;
   args.addresses = process_serverlist(serverlist);
+  args.additional_args = glb_policy->args;
 
   grpc_lb_policy *rr = grpc_lb_policy_create(exec_ctx, "round_robin", &args);
 
@@ -584,6 +587,7 @@
    * Create a client channel over them to communicate with a LB service */
   glb_policy->server_name = gpr_strdup(args->server_name);
   glb_policy->cc_factory = args->client_channel_factory;
+  glb_policy->args = grpc_channel_args_copy(args->additional_args);
   GPR_ASSERT(glb_policy->cc_factory != NULL);
 
   /* construct a target from the addresses in args, given in the form
@@ -650,6 +654,7 @@
   GPR_ASSERT(glb_policy->pending_picks == NULL);
   GPR_ASSERT(glb_policy->pending_pings == NULL);
   gpr_free((void *)glb_policy->server_name);
+  grpc_channel_args_destroy(glb_policy->args);
   grpc_channel_destroy(glb_policy->lb_channel);
   glb_policy->lb_channel = NULL;
   grpc_connectivity_state_destroy(exec_ctx, &glb_policy->state_tracker);
diff --git a/src/core/ext/lb_policy/grpclb/grpclb.h b/src/core/ext/lb_policy/grpclb/grpclb.h
index 83552b4..ff23f3a 100644
--- a/src/core/ext/lb_policy/grpclb/grpclb.h
+++ b/src/core/ext/lb_policy/grpclb/grpclb.h
@@ -34,7 +34,7 @@
 #ifndef GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_H
 #define GRPC_CORE_EXT_LB_POLICY_GRPCLB_GRPCLB_H
 
-#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_channel/lb_policy_factory.h"
 
 /** Returns a load balancing factory for the glb policy, which tries to connect
  * to a load balancing server to decide the next successfully connected
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 c1e73d0..079a64a 100644
--- a/src/core/ext/lb_policy/grpclb/load_balancer_api.h
+++ b/src/core/ext/lb_policy/grpclb/load_balancer_api.h
@@ -36,7 +36,7 @@
 
 #include <grpc/support/slice_buffer.h>
 
-#include "src/core/ext/client_config/lb_policy_factory.h"
+#include "src/core/ext/client_channel/lb_policy_factory.h"
 #include "src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h"
 
 #ifdef __cplusplus
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 6533327..270fe3f 100644
--- a/src/core/ext/lb_policy/pick_first/pick_first.c
+++ b/src/core/ext/lb_policy/pick_first/pick_first.c
@@ -34,7 +34,7 @@
 #include <string.h>
 
 #include <grpc/support/alloc.h>
-#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
 #include "src/core/lib/transport/connectivity_state.h"
 
 typedef struct pending_pick {
@@ -466,6 +466,7 @@
     sc_args.addr =
         (struct sockaddr *)(&args->addresses->addresses[i].address.addr);
     sc_args.addr_len = args->addresses->addresses[i].address.len;
+    sc_args.args = args->additional_args;
 
     grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
         exec_ctx, args->client_channel_factory, &sc_args);
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 9bd3f9d..b32f6be 100644
--- a/src/core/ext/lb_policy/round_robin/round_robin.c
+++ b/src/core/ext/lb_policy/round_robin/round_robin.c
@@ -63,7 +63,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/ext/client_config/lb_policy_registry.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/transport/connectivity_state.h"
 #include "src/core/lib/transport/static_metadata.h"
@@ -629,6 +629,7 @@
     sc_args.addr =
         (struct sockaddr *)(&args->addresses->addresses[i].address.addr);
     sc_args.addr_len = args->addresses->addresses[i].address.len;
+    sc_args.args = args->additional_args;
 
     grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel(
         exec_ctx, args->client_channel_factory, &sc_args);
diff --git a/src/core/ext/load_reporting/load_reporting.h b/src/core/ext/load_reporting/load_reporting.h
index e130976..a157844 100644
--- a/src/core/ext/load_reporting/load_reporting.h
+++ b/src/core/ext/load_reporting/load_reporting.h
@@ -51,7 +51,7 @@
  * The value corresponding to this key is an opaque binary blob reported by the
  * backend as part of its trailing metadata containing cost information for the
  * call. */
-#define GRPC_LB_COST_MD_KEY "lb-cost"
+#define GRPC_LB_COST_MD_KEY "lb-cost-bin"
 
 /** Identifiers for the invocation point of the users LR callback */
 typedef enum grpc_load_reporting_source {
diff --git a/src/core/ext/load_reporting/load_reporting_filter.c b/src/core/ext/load_reporting/load_reporting_filter.c
index 22bf363..eeae240 100644
--- a/src/core/ext/load_reporting/load_reporting_filter.c
+++ b/src/core/ext/load_reporting/load_reporting_filter.c
@@ -193,7 +193,7 @@
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
 
-  if (md->key == GRPC_MDSTR_LB_COST) {
+  if (md->key == GRPC_MDSTR_LB_COST_BIN) {
     calld->trailing_md_string = gpr_strdup(grpc_mdstr_as_c_string(md->value));
     return NULL;
   }
diff --git a/src/core/ext/resolver/dns/native/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c
index fa33ffd..b4ceee3 100644
--- a/src/core/ext/resolver/dns/native/dns_resolver.c
+++ b/src/core/ext/resolver/dns/native/dns_resolver.c
@@ -37,9 +37,9 @@
 #include <grpc/support/host_port.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/client_config/http_connect_handshaker.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_channel/http_connect_handshaker.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
+#include "src/core/ext/client_channel/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"
diff --git a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
index 5a7a32d..9924fc6 100644
--- a/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
+++ b/src/core/ext/resolver/sockaddr/sockaddr_resolver.c
@@ -33,6 +33,7 @@
 
 #include <stdbool.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 #include <grpc/support/alloc.h>
@@ -40,8 +41,8 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/client_config/parse_address.h"
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/parse_address.h"
+#include "src/core/ext/client_channel/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"
@@ -119,7 +120,7 @@
     *r->target_result = grpc_resolver_result_create(
         r->target_name,
         grpc_lb_addresses_copy(r->addresses, NULL /* user_data_copy */),
-        NULL /* lb_policy_name */, NULL);
+        NULL /* lb_policy_name */, NULL /* lb_policy_args */);
     grpc_exec_ctx_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE, NULL);
     r->next_completion = NULL;
   }
@@ -128,8 +129,8 @@
 static void sockaddr_destroy(grpc_exec_ctx *exec_ctx, grpc_resolver *gr) {
   sockaddr_resolver *r = (sockaddr_resolver *)gr;
   gpr_mu_destroy(&r->mu);
-  grpc_lb_addresses_destroy(r->addresses, NULL /* user_data_destroy */);
   gpr_free(r->target_name);
+  grpc_lb_addresses_destroy(r->addresses, NULL /* user_data_destroy */);
   gpr_free(r);
 }
 
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 c2b5956..4b1764a 100644
--- a/src/core/ext/transport/chttp2/client/insecure/channel_create.c
+++ b/src/core/ext/transport/chttp2/client/insecure/channel_create.c
@@ -40,9 +40,9 @@
 #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/http_connect_handshaker.h"
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/client_channel.h"
+#include "src/core/ext/client_channel/http_connect_handshaker.h"
+#include "src/core/ext/client_channel/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/compress_filter.h"
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 31c54ff..1e27d88f 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
@@ -40,9 +40,9 @@
 #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/http_connect_handshaker.h"
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/client_channel.h"
+#include "src/core/ext/client_channel/http_connect_handshaker.h"
+#include "src/core/ext/client_channel/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/handshaker.h"
@@ -290,8 +290,6 @@
     channel = NULL;
   }
 
-  GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
-                                "client_channel_factory_create_channel");
   return channel;
 }
 
@@ -360,6 +358,9 @@
   grpc_channel *channel = client_channel_factory_create_channel(
       &exec_ctx, &f->base, target, GRPC_CLIENT_CHANNEL_TYPE_REGULAR, NULL);
 
+  GRPC_SECURITY_CONNECTOR_UNREF(&f->security_connector->base,
+                                "client_channel_factory_create_channel");
+
   grpc_client_channel_factory_unref(&exec_ctx, &f->base);
   grpc_exec_ctx_finish(&exec_ctx);
 
diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c
index 3a56b1f..2957d2c 100644
--- a/src/core/lib/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -272,6 +272,18 @@
   return 0;
 }
 
+const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args,
+                                       const char *name) {
+  if (args != NULL) {
+    for (size_t i = 0; i < args->num_args; ++i) {
+      if (strcmp(args->args[i].key, name) == 0) {
+        return &args->args[i];
+      }
+    }
+  }
+  return NULL;
+}
+
 int grpc_channel_arg_get_integer(grpc_arg *arg, grpc_integer_options options) {
   if (arg->type != GRPC_ARG_INTEGER) {
     gpr_log(GPR_ERROR, "%s ignored: it must be an integer", arg->key);
diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h
index 586a296..a80340c 100644
--- a/src/core/lib/channel/channel_args.h
+++ b/src/core/lib/channel/channel_args.h
@@ -89,6 +89,10 @@
 int grpc_channel_args_compare(const grpc_channel_args *a,
                               const grpc_channel_args *b);
 
+/** Returns the value of argument \a name from \a args, or NULL if not found. */
+const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args,
+                                       const char *name);
+
 typedef struct grpc_integer_options {
   int default_value;  // Return this if value is outside of expected bounds.
   int min_value;
diff --git a/src/core/lib/channel/channel_stack.c b/src/core/lib/channel/channel_stack.c
index 57d34d9..2c53679 100644
--- a/src/core/lib/channel/channel_stack.c
+++ b/src/core/lib/channel/channel_stack.c
@@ -162,7 +162,7 @@
     grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack,
     int initial_refs, grpc_iomgr_cb_func destroy, void *destroy_arg,
     grpc_call_context_element *context, const void *transport_server_data,
-    gpr_timespec deadline, grpc_call_stack *call_stack) {
+    grpc_mdstr *path, gpr_timespec deadline, grpc_call_stack *call_stack) {
   grpc_channel_element *channel_elems = CHANNEL_ELEMS_FROM_STACK(channel_stack);
   grpc_call_element_args args;
   size_t count = channel_stack->count;
@@ -179,10 +179,12 @@
 
   /* init per-filter data */
   grpc_error *first_error = GRPC_ERROR_NONE;
+  args.start_time = gpr_now(GPR_CLOCK_MONOTONIC);
   for (i = 0; i < count; i++) {
     args.call_stack = call_stack;
     args.server_transport_data = transport_server_data;
     args.context = context;
+    args.path = path;
     args.deadline = deadline;
     call_elems[i].filter = channel_elems[i].filter;
     call_elems[i].channel_data = channel_elems[i].channel_data;
diff --git a/src/core/lib/channel/channel_stack.h b/src/core/lib/channel/channel_stack.h
index 1cfe288..27f3be7 100644
--- a/src/core/lib/channel/channel_stack.h
+++ b/src/core/lib/channel/channel_stack.h
@@ -74,6 +74,8 @@
   grpc_call_stack *call_stack;
   const void *server_transport_data;
   grpc_call_context_element *context;
+  grpc_mdstr *path;
+  gpr_timespec start_time;
   gpr_timespec deadline;
 } grpc_call_element_args;
 
@@ -225,7 +227,7 @@
     grpc_exec_ctx *exec_ctx, grpc_channel_stack *channel_stack,
     int initial_refs, grpc_iomgr_cb_func destroy, void *destroy_arg,
     grpc_call_context_element *context, const void *transport_server_data,
-    gpr_timespec deadline, grpc_call_stack *call_stack);
+    grpc_mdstr *path, gpr_timespec deadline, grpc_call_stack *call_stack);
 /* Set a pollset or a pollset_set for a call stack: must occur before the first
  * op is started */
 void grpc_call_stack_set_pollset_or_pollset_set(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/channel/deadline_filter.c b/src/core/lib/channel/deadline_filter.c
index 079b98a..d2ea525 100644
--- a/src/core/lib/channel/deadline_filter.c
+++ b/src/core/lib/channel/deadline_filter.c
@@ -64,30 +64,49 @@
 }
 
 // Starts the deadline timer.
+static void start_timer_if_needed_locked(grpc_exec_ctx* exec_ctx,
+                                         grpc_call_element* elem,
+                                         gpr_timespec deadline) {
+  grpc_deadline_state* deadline_state = elem->call_data;
+  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);
+  // Note: We do not start the timer if there is already a timer
+  // pending.  This should be okay, because this is only called from two
+  // functions exported by this module: grpc_deadline_state_start(), which
+  // starts the initial timer, and grpc_deadline_state_reset(), which
+  // cancels any pre-existing timer before starting a new one.  In
+  // particular, we want to ensure that if grpc_deadline_state_start()
+  // winds up trying to start the timer after grpc_deadline_state_reset()
+  // has already done so, we ignore the value from the former.
+  if (!deadline_state->timer_pending &&
+      gpr_time_cmp(deadline, gpr_inf_future(GPR_CLOCK_MONOTONIC)) != 0) {
+    // Take a reference to the call stack, to be owned by the timer.
+    GRPC_CALL_STACK_REF(deadline_state->call_stack, "deadline_timer");
+    deadline_state->timer_pending = true;
+    grpc_timer_init(exec_ctx, &deadline_state->timer, deadline, timer_callback,
+                    elem, gpr_now(GPR_CLOCK_MONOTONIC));
+  }
+}
 static void start_timer_if_needed(grpc_exec_ctx* exec_ctx,
                                   grpc_call_element* elem,
                                   gpr_timespec deadline) {
   grpc_deadline_state* deadline_state = elem->call_data;
-  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);
-  if (gpr_time_cmp(deadline, gpr_inf_future(GPR_CLOCK_MONOTONIC)) != 0) {
-    // Take a reference to the call stack, to be owned by the timer.
-    GRPC_CALL_STACK_REF(deadline_state->call_stack, "deadline_timer");
-    gpr_mu_lock(&deadline_state->timer_mu);
-    deadline_state->timer_pending = true;
-    grpc_timer_init(exec_ctx, &deadline_state->timer, deadline, timer_callback,
-                    elem, gpr_now(GPR_CLOCK_MONOTONIC));
-    gpr_mu_unlock(&deadline_state->timer_mu);
-  }
+  gpr_mu_lock(&deadline_state->timer_mu);
+  start_timer_if_needed_locked(exec_ctx, elem, deadline);
+  gpr_mu_unlock(&deadline_state->timer_mu);
 }
 
 // Cancels the deadline timer.
-static void cancel_timer_if_needed(grpc_exec_ctx* exec_ctx,
-                                   grpc_deadline_state* deadline_state) {
-  gpr_mu_lock(&deadline_state->timer_mu);
+static void cancel_timer_if_needed_locked(grpc_exec_ctx* exec_ctx,
+                                          grpc_deadline_state* deadline_state) {
   if (deadline_state->timer_pending) {
     grpc_timer_cancel(exec_ctx, &deadline_state->timer);
     deadline_state->timer_pending = false;
   }
+}
+static void cancel_timer_if_needed(grpc_exec_ctx* exec_ctx,
+                                   grpc_deadline_state* deadline_state) {
+  gpr_mu_lock(&deadline_state->timer_mu);
+  cancel_timer_if_needed_locked(exec_ctx, deadline_state);
   gpr_mu_unlock(&deadline_state->timer_mu);
 }
 
@@ -108,6 +127,21 @@
   op->on_complete = &deadline_state->on_complete;
 }
 
+void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
+                              grpc_call_stack* call_stack) {
+  grpc_deadline_state* deadline_state = elem->call_data;
+  memset(deadline_state, 0, sizeof(*deadline_state));
+  deadline_state->call_stack = call_stack;
+  gpr_mu_init(&deadline_state->timer_mu);
+}
+
+void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx,
+                                 grpc_call_element* elem) {
+  grpc_deadline_state* deadline_state = elem->call_data;
+  cancel_timer_if_needed(exec_ctx, deadline_state);
+  gpr_mu_destroy(&deadline_state->timer_mu);
+}
+
 // Callback and associated state for starting the timer after call stack
 // initialization has been completed.
 struct start_timer_after_init_state {
@@ -122,16 +156,11 @@
   gpr_free(state);
 }
 
-void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
-                              grpc_call_element_args* args) {
-  grpc_deadline_state* deadline_state = elem->call_data;
-  memset(deadline_state, 0, sizeof(*deadline_state));
-  deadline_state->call_stack = args->call_stack;
-  gpr_mu_init(&deadline_state->timer_mu);
+void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
+                               gpr_timespec deadline) {
   // Deadline will always be infinite on servers, so the timer will only be
   // set on clients with a finite deadline.
-  const gpr_timespec deadline =
-      gpr_convert_clock_type(args->deadline, GPR_CLOCK_MONOTONIC);
+  deadline = gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC);
   if (gpr_time_cmp(deadline, gpr_inf_future(GPR_CLOCK_MONOTONIC)) != 0) {
     // When the deadline passes, we indicate the failure by sending down
     // an op with cancel_error set.  However, we can't send down any ops
@@ -148,11 +177,13 @@
   }
 }
 
-void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx,
-                                 grpc_call_element* elem) {
+void grpc_deadline_state_reset(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
+                               gpr_timespec new_deadline) {
   grpc_deadline_state* deadline_state = elem->call_data;
-  cancel_timer_if_needed(exec_ctx, deadline_state);
-  gpr_mu_destroy(&deadline_state->timer_mu);
+  gpr_mu_lock(&deadline_state->timer_mu);
+  cancel_timer_if_needed_locked(exec_ctx, deadline_state);
+  start_timer_if_needed_locked(exec_ctx, elem, new_deadline);
+  gpr_mu_unlock(&deadline_state->timer_mu);
 }
 
 void grpc_deadline_state_client_start_transport_stream_op(
@@ -209,7 +240,8 @@
                                   grpc_call_element_args* args) {
   // Note: size of call data is different between client and server.
   memset(elem->call_data, 0, elem->filter->sizeof_call_data);
-  grpc_deadline_state_init(exec_ctx, elem, args);
+  grpc_deadline_state_init(exec_ctx, elem, args->call_stack);
+  grpc_deadline_state_start(exec_ctx, elem, args->deadline);
   return GRPC_ERROR_NONE;
 }
 
diff --git a/src/core/lib/channel/deadline_filter.h b/src/core/lib/channel/deadline_filter.h
index 685df87..716a852 100644
--- a/src/core/lib/channel/deadline_filter.h
+++ b/src/core/lib/channel/deadline_filter.h
@@ -54,18 +54,37 @@
   grpc_closure* next_on_complete;
 } grpc_deadline_state;
 
-// To be used in a filter's init_call_elem(), destroy_call_elem(), and
-// start_transport_stream_op() methods to enforce call deadlines.
 //
-// REQUIRES: The first field in elem->call_data is a grpc_deadline_state.
+// NOTE: All of these functions require that the first field in
+// elem->call_data is a grpc_deadline_state.
 //
-// For grpc_deadline_state_client_start_transport_stream_op(), it is the
-// caller's responsibility to chain to the next filter if necessary
-// after the function returns.
+
 void grpc_deadline_state_init(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
-                              grpc_call_element_args* args);
+                              grpc_call_stack* call_stack);
 void grpc_deadline_state_destroy(grpc_exec_ctx* exec_ctx,
                                  grpc_call_element* elem);
+
+// Starts the timer with the specified deadline.
+// Should be called from the filter's init_call_elem() method.
+void grpc_deadline_state_start(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
+                               gpr_timespec deadline);
+
+// Cancels the existing timer and starts a new one with new_deadline.
+//
+// Note: It is generally safe to call this with an earlier deadline
+// value than the current one, but not the reverse.  No checks are done
+// to ensure that the timer callback is not invoked while it is in the
+// process of being reset, which means that attempting to increase the
+// deadline may result in the timer being called twice.
+void grpc_deadline_state_reset(grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
+                               gpr_timespec new_deadline);
+
+// To be called from the client-side filter's start_transport_stream_op()
+// method.  Ensures that the deadline timer is cancelled when the call
+// is completed.
+//
+// Note: It is the caller's responsibility to chain to the next filter if
+// necessary after this function returns.
 void grpc_deadline_state_client_start_transport_stream_op(
     grpc_exec_ctx* exec_ctx, grpc_call_element* elem,
     grpc_transport_stream_op* op);
diff --git a/src/core/lib/channel/handshaker.c b/src/core/lib/channel/handshaker.c
index 8f9fb17..0d75988 100644
--- a/src/core/lib/channel/handshaker.c
+++ b/src/core/lib/channel/handshaker.c
@@ -183,7 +183,7 @@
     gpr_timespec deadline, grpc_tcp_server_acceptor* acceptor,
     grpc_handshaker_done_cb cb, void* user_data) {
   grpc_channel_args* args_copy = grpc_channel_args_copy(args);
-  gpr_slice_buffer* read_buffer = malloc(sizeof(*read_buffer));
+  gpr_slice_buffer* read_buffer = gpr_malloc(sizeof(*read_buffer));
   gpr_slice_buffer_init(read_buffer);
   if (mgr->count == 0) {
     // No handshakers registered, so we just immediately call the done
diff --git a/src/core/lib/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c
index 0f2bf97..f2221fb 100644
--- a/src/core/lib/channel/http_server_filter.c
+++ b/src/core/lib/channel/http_server_filter.c
@@ -42,6 +42,8 @@
 #define EXPECTED_CONTENT_TYPE "application/grpc"
 #define EXPECTED_CONTENT_TYPE_LENGTH sizeof(EXPECTED_CONTENT_TYPE) - 1
 
+extern int grpc_http_trace;
+
 typedef struct call_data {
   uint8_t seen_path;
   uint8_t seen_method;
@@ -209,6 +211,11 @@
             err, GRPC_ERROR_CREATE("Missing te: trailers header"));
       }
       /* Error this call out */
+      if (grpc_http_trace) {
+        const char *error_str = grpc_error_string(err);
+        gpr_log(GPR_ERROR, "Invalid http2 headers: %s", error_str);
+        grpc_error_free_string(error_str);
+      }
       grpc_call_element_send_cancel(exec_ctx, elem);
     }
   } else {
diff --git a/src/core/lib/channel/message_size_filter.c b/src/core/lib/channel/message_size_filter.c
index f067a3a..69fb381 100644
--- a/src/core/lib/channel/message_size_filter.c
+++ b/src/core/lib/channel/message_size_filter.c
@@ -38,6 +38,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/ext/client_channel/method_config.h"
 #include "src/core/lib/channel/channel_args.h"
 
 #define DEFAULT_MAX_SEND_MESSAGE_LENGTH -1  // Unlimited.
@@ -45,6 +46,8 @@
 #define DEFAULT_MAX_RECV_MESSAGE_LENGTH (4 * 1024 * 1024)
 
 typedef struct call_data {
+  int max_send_size;
+  int max_recv_size;
   // Receive closures are chained: we inject this closure as the
   // recv_message_ready up-call on transport_stream_op, and remember to
   // call our next_recv_message_ready member after handling it.
@@ -58,6 +61,8 @@
 typedef struct channel_data {
   int max_send_size;
   int max_recv_size;
+  // Method config table.
+  grpc_method_config_table* method_config_table;
 } channel_data;
 
 // Callback invoked when we receive a message.  Here we check the max
@@ -66,13 +71,12 @@
                                grpc_error* error) {
   grpc_call_element* elem = user_data;
   call_data* calld = elem->call_data;
-  channel_data* chand = elem->channel_data;
-  if (*calld->recv_message != NULL && chand->max_recv_size >= 0 &&
-      (*calld->recv_message)->length > (size_t)chand->max_recv_size) {
+  if (*calld->recv_message != NULL && calld->max_recv_size >= 0 &&
+      (*calld->recv_message)->length > (size_t)calld->max_recv_size) {
     char* message_string;
     gpr_asprintf(&message_string,
                  "Received message larger than max (%u vs. %d)",
-                 (*calld->recv_message)->length, chand->max_recv_size);
+                 (*calld->recv_message)->length, calld->max_recv_size);
     grpc_error* new_error = grpc_error_set_int(
         GRPC_ERROR_CREATE(message_string), GRPC_ERROR_INT_GRPC_STATUS,
         GRPC_STATUS_INVALID_ARGUMENT);
@@ -93,13 +97,12 @@
                                       grpc_call_element* elem,
                                       grpc_transport_stream_op* op) {
   call_data* calld = elem->call_data;
-  channel_data* chand = elem->channel_data;
   // Check max send message size.
-  if (op->send_message != NULL && chand->max_send_size >= 0 &&
-      op->send_message->length > (size_t)chand->max_send_size) {
+  if (op->send_message != NULL && calld->max_send_size >= 0 &&
+      op->send_message->length > (size_t)calld->max_send_size) {
     char* message_string;
     gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %d)",
-                 op->send_message->length, chand->max_send_size);
+                 op->send_message->length, calld->max_send_size);
     gpr_slice message = gpr_slice_from_copied_string(message_string);
     gpr_free(message_string);
     grpc_call_element_send_close_with_message(
@@ -119,9 +122,37 @@
 static grpc_error* init_call_elem(grpc_exec_ctx* exec_ctx,
                                   grpc_call_element* elem,
                                   grpc_call_element_args* args) {
+  channel_data* chand = elem->channel_data;
   call_data* calld = elem->call_data;
   calld->next_recv_message_ready = NULL;
   grpc_closure_init(&calld->recv_message_ready, recv_message_ready, elem);
+  // Get max sizes from channel data, then merge in per-method config values.
+  // Note: Per-method config is only available on the client, so we
+  // apply the max request size to the send limit and the max response
+  // size to the receive limit.
+  calld->max_send_size = chand->max_send_size;
+  calld->max_recv_size = chand->max_recv_size;
+  if (chand->method_config_table != NULL) {
+    grpc_method_config* method_config =
+        grpc_method_config_table_get_method_config(chand->method_config_table,
+                                                   args->path);
+    if (method_config != NULL) {
+      const int32_t* max_request_message_bytes =
+          grpc_method_config_get_max_request_message_bytes(method_config);
+      if (max_request_message_bytes != NULL &&
+          (*max_request_message_bytes < calld->max_send_size ||
+           calld->max_send_size < 0)) {
+        calld->max_send_size = *max_request_message_bytes;
+      }
+      const int32_t* max_response_message_bytes =
+          grpc_method_config_get_max_response_message_bytes(method_config);
+      if (max_response_message_bytes != NULL &&
+          (*max_response_message_bytes < calld->max_recv_size ||
+           calld->max_recv_size < 0)) {
+        calld->max_recv_size = *max_response_message_bytes;
+      }
+    }
+  }
   return GRPC_ERROR_NONE;
 }
 
@@ -155,11 +186,22 @@
           grpc_channel_arg_get_integer(&args->channel_args->args[i], options);
     }
   }
+  // Get method config table from channel args.
+  const grpc_arg* channel_arg =
+      grpc_channel_args_find(args->channel_args, GRPC_ARG_SERVICE_CONFIG);
+  if (channel_arg != NULL) {
+    GPR_ASSERT(channel_arg->type == GRPC_ARG_POINTER);
+    chand->method_config_table = grpc_method_config_table_ref(
+        (grpc_method_config_table*)channel_arg->value.pointer.p);
+  }
 }
 
 // Destructor for channel_data.
 static void destroy_channel_elem(grpc_exec_ctx* exec_ctx,
-                                 grpc_channel_element* elem) {}
+                                 grpc_channel_element* elem) {
+  channel_data* chand = elem->channel_data;
+  grpc_method_config_table_unref(chand->method_config_table);
+}
 
 const grpc_channel_filter grpc_message_size_filter = {
     start_transport_stream_op,
diff --git a/src/core/lib/iomgr/timer.h b/src/core/lib/iomgr/timer.h
index a825d2a..5a9a177 100644
--- a/src/core/lib/iomgr/timer.h
+++ b/src/core/lib/iomgr/timer.h
@@ -49,11 +49,11 @@
 } grpc_timer;
 
 /* Initialize *timer. When expired or canceled, timer_cb will be called with
-   *timer_cb_arg and status to indicate if it expired (SUCCESS) or was
-   canceled (CANCELLED). timer_cb is guaranteed to be called exactly once,
-   and application code should check the status to determine how it was
-   invoked. The application callback is also responsible for maintaining
-   information about when to free up any user-level state. */
+   *timer_cb_arg and error set to indicate if it expired (GRPC_ERROR_NONE) or
+   was canceled (GRPC_ERROR_CANCELLED). timer_cb is guaranteed to be called
+   exactly once, and application code should check the error to determine
+   how it was invoked. The application callback is also responsible for
+   maintaining information about when to free up any user-level state. */
 void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer,
                      gpr_timespec deadline, grpc_iomgr_cb_func timer_cb,
                      void *timer_cb_arg, gpr_timespec now);
@@ -74,8 +74,8 @@
 
    In all of these cases, the cancellation is still considered successful.
    They are essentially distinguished in that the timer_cb will be run
-   exactly once from either the cancellation (with status CANCELLED)
-   or from the activation (with status SUCCESS)
+   exactly once from either the cancellation (with error GRPC_ERROR_CANCELLED)
+   or from the activation (with error GRPC_ERROR_NONE).
 
    Note carefully that the callback function MAY occur in the same callstack
    as grpc_timer_cancel. It's expected that most timers will be cancelled (their
@@ -83,14 +83,13 @@
    that cancellation costs as little as possible. Making callbacks run inline
    matches this aim.
 
-   Requires:  cancel() must happen after add() on a given timer */
+   Requires: cancel() must happen after init() on a given timer */
 void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer);
 
 /* iomgr internal api for dealing with timers */
 
 /* Check for timers to be run, and run them.
    Return true if timer callbacks were executed.
-   Drops drop_mu if it is non-null before executing callbacks.
    If next is non-null, TRY to update *next with the next running timer
    IF that timer occurs before *next current value.
    *next is never guaranteed to be updated on any given execution; however,
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index c4effa9..3055930 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -241,11 +241,15 @@
   /* Always support no compression */
   GPR_BITSET(&call->encodings_accepted_by_peer, GRPC_COMPRESS_NONE);
   call->is_client = args->server_transport_data == NULL;
+  grpc_mdstr *path = NULL;
   if (call->is_client) {
     GPR_ASSERT(args->add_initial_metadata_count <
                MAX_SEND_EXTRA_METADATA_COUNT);
     for (i = 0; i < args->add_initial_metadata_count; i++) {
       call->send_extra_metadata[i].md = args->add_initial_metadata[i];
+      if (args->add_initial_metadata[i]->key == GRPC_MDSTR_PATH) {
+        path = GRPC_MDSTR_REF(args->add_initial_metadata[i]->value);
+      }
     }
     call->send_extra_metadata_count = (int)args->add_initial_metadata_count;
   } else {
@@ -306,9 +310,10 @@
 
   GRPC_CHANNEL_INTERNAL_REF(args->channel, "call");
   /* initial refcount dropped by grpc_call_destroy */
-  grpc_error *error = grpc_call_stack_init(
-      &exec_ctx, channel_stack, 1, destroy_call, call, call->context,
-      args->server_transport_data, send_deadline, CALL_STACK_FROM_CALL(call));
+  grpc_error *error =
+      grpc_call_stack_init(&exec_ctx, channel_stack, 1, destroy_call, call,
+                           call->context, args->server_transport_data, path,
+                           send_deadline, CALL_STACK_FROM_CALL(call));
   if (error != GRPC_ERROR_NONE) {
     grpc_status_code status;
     const char *error_str;
@@ -332,6 +337,8 @@
         &exec_ctx, CALL_STACK_FROM_CALL(call), &call->pollent);
   }
 
+  if (path != NULL) GRPC_MDSTR_UNREF(path);
+
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_TIMER_END("grpc_call_create", 0);
   return error;
diff --git a/src/core/lib/transport/mdstr_hash_table.c b/src/core/lib/transport/mdstr_hash_table.c
new file mode 100644
index 0000000..4be0536
--- /dev/null
+++ b/src/core/lib/transport/mdstr_hash_table.c
@@ -0,0 +1,142 @@
+//
+// 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/transport/mdstr_hash_table.h"
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/transport/metadata.h"
+
+struct grpc_mdstr_hash_table {
+  gpr_refcount refs;
+  size_t num_entries;
+  grpc_mdstr_hash_table_entry* entries;
+};
+
+// Helper function for insert and get operations that performs quadratic
+// probing (https://en.wikipedia.org/wiki/Quadratic_probing).
+static size_t grpc_mdstr_hash_table_find_index(
+    const grpc_mdstr_hash_table* table, const grpc_mdstr* key,
+    bool find_empty) {
+  for (size_t i = 0; i < table->num_entries; ++i) {
+    const size_t idx = (key->hash + i * i) % table->num_entries;
+    if (table->entries[idx].key == NULL)
+      return find_empty ? idx : table->num_entries;
+    if (table->entries[idx].key == key) return idx;
+  }
+  return table->num_entries;  // Not found.
+}
+
+static void grpc_mdstr_hash_table_add(
+    grpc_mdstr_hash_table* table, grpc_mdstr* key, void* value,
+    const grpc_mdstr_hash_table_vtable* vtable) {
+  GPR_ASSERT(value != NULL);
+  const size_t idx =
+      grpc_mdstr_hash_table_find_index(table, key, true /* find_empty */);
+  GPR_ASSERT(idx != table->num_entries);  // Table should never be full.
+  grpc_mdstr_hash_table_entry* entry = &table->entries[idx];
+  entry->key = GRPC_MDSTR_REF(key);
+  entry->value = vtable->copy_value(value);
+  entry->vtable = vtable;
+}
+
+grpc_mdstr_hash_table* grpc_mdstr_hash_table_create(
+    size_t num_entries, grpc_mdstr_hash_table_entry* entries) {
+  grpc_mdstr_hash_table* table = gpr_malloc(sizeof(*table));
+  memset(table, 0, sizeof(*table));
+  gpr_ref_init(&table->refs, 1);
+  // Quadratic probing gets best performance when the table is no more
+  // than half full.
+  table->num_entries = num_entries * 2;
+  const size_t entry_size =
+      sizeof(grpc_mdstr_hash_table_entry) * table->num_entries;
+  table->entries = gpr_malloc(entry_size);
+  memset(table->entries, 0, entry_size);
+  for (size_t i = 0; i < num_entries; ++i) {
+    grpc_mdstr_hash_table_entry* entry = &entries[i];
+    grpc_mdstr_hash_table_add(table, entry->key, entry->value, entry->vtable);
+  }
+  return table;
+}
+
+grpc_mdstr_hash_table* grpc_mdstr_hash_table_ref(grpc_mdstr_hash_table* table) {
+  if (table != NULL) gpr_ref(&table->refs);
+  return table;
+}
+
+int grpc_mdstr_hash_table_unref(grpc_mdstr_hash_table* table) {
+  if (table != NULL && gpr_unref(&table->refs)) {
+    for (size_t i = 0; i < table->num_entries; ++i) {
+      grpc_mdstr_hash_table_entry* entry = &table->entries[i];
+      if (entry->key != NULL) {
+        GRPC_MDSTR_UNREF(entry->key);
+        entry->vtable->destroy_value(entry->value);
+      }
+    }
+    gpr_free(table->entries);
+    gpr_free(table);
+    return 1;
+  }
+  return 0;
+}
+
+void* grpc_mdstr_hash_table_get(const grpc_mdstr_hash_table* table,
+                                const grpc_mdstr* key) {
+  const size_t idx =
+      grpc_mdstr_hash_table_find_index(table, key, false /* find_empty */);
+  if (idx == table->num_entries) return NULL;  // Not found.
+  return table->entries[idx].value;
+}
+
+int grpc_mdstr_hash_table_cmp(const grpc_mdstr_hash_table* table1,
+                              const grpc_mdstr_hash_table* table2) {
+  // Compare by num_entries.
+  if (table1->num_entries < table2->num_entries) return -1;
+  if (table1->num_entries > table2->num_entries) return 1;
+  for (size_t i = 0; i < table1->num_entries; ++i) {
+    grpc_mdstr_hash_table_entry* e1 = &table1->entries[i];
+    grpc_mdstr_hash_table_entry* e2 = &table2->entries[i];
+    // Compare keys by hash value.
+    if (e1->key->hash < e2->key->hash) return -1;
+    if (e1->key->hash > e2->key->hash) return 1;
+    // Compare by vtable (pointer equality).
+    if (e1->vtable < e2->vtable) return -1;
+    if (e1->vtable > e2->vtable) return 1;
+    // Compare values via vtable.
+    const int value_result = e1->vtable->compare_value(e1->value, e2->value);
+    if (value_result != 0) return value_result;
+  }
+  return 0;
+}
diff --git a/src/core/lib/transport/mdstr_hash_table.h b/src/core/lib/transport/mdstr_hash_table.h
new file mode 100644
index 0000000..52e5b02
--- /dev/null
+++ b/src/core/lib/transport/mdstr_hash_table.h
@@ -0,0 +1,83 @@
+/*
+ * 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_TRANSPORT_MDSTR_HASH_TABLE_H
+#define GRPC_CORE_LIB_TRANSPORT_MDSTR_HASH_TABLE_H
+
+#include "src/core/lib/transport/metadata.h"
+
+/** Hash table implementation.
+ *
+ * This implementation uses open addressing
+ * (https://en.wikipedia.org/wiki/Open_addressing) with quadratic
+ * probing (https://en.wikipedia.org/wiki/Quadratic_probing).
+ *
+ * The keys are \a grpc_mdstr objects.  The values are arbitrary pointers
+ * with a common vtable.
+ *
+ * Hash tables are intentionally immutable, to avoid the need for locking.
+ */
+
+typedef struct grpc_mdstr_hash_table grpc_mdstr_hash_table;
+
+typedef struct grpc_mdstr_hash_table_vtable {
+  void (*destroy_value)(void* value);
+  void* (*copy_value)(void* value);
+  int (*compare_value)(void* value1, void* value2);
+} grpc_mdstr_hash_table_vtable;
+
+typedef struct grpc_mdstr_hash_table_entry {
+  grpc_mdstr* key;
+  void* value; /* Must not be NULL. */
+  const grpc_mdstr_hash_table_vtable* vtable;
+} grpc_mdstr_hash_table_entry;
+
+/** Creates a new hash table of containing \a entries, which is an array
+    of length \a num_entries.
+    Creates its own copy of all keys and values from \a entries. */
+grpc_mdstr_hash_table* grpc_mdstr_hash_table_create(
+    size_t num_entries, grpc_mdstr_hash_table_entry* entries);
+
+grpc_mdstr_hash_table* grpc_mdstr_hash_table_ref(grpc_mdstr_hash_table* table);
+/** Returns 1 when \a table is destroyed. */
+int grpc_mdstr_hash_table_unref(grpc_mdstr_hash_table* table);
+
+/** Returns the value from \a table associated with \a key.
+    Returns NULL if \a key is not found. */
+void* grpc_mdstr_hash_table_get(const grpc_mdstr_hash_table* table,
+                                const grpc_mdstr* key);
+
+/** Compares two hash tables.
+    The sort order is stable but undefined. */
+int grpc_mdstr_hash_table_cmp(const grpc_mdstr_hash_table* table1,
+                              const grpc_mdstr_hash_table* table2);
+
+#endif /* GRPC_CORE_LIB_TRANSPORT_MDSTR_HASH_TABLE_H */
diff --git a/src/core/lib/transport/static_metadata.c b/src/core/lib/transport/static_metadata.c
index f019ef1..8b22592 100644
--- a/src/core/lib/transport/static_metadata.c
+++ b/src/core/lib/transport/static_metadata.c
@@ -126,7 +126,7 @@
     "if-range",
     "if-unmodified-since",
     "last-modified",
-    "lb-cost",
+    "lb-cost-bin",
     "lb-token",
     "link",
     "location",
diff --git a/src/core/lib/transport/static_metadata.h b/src/core/lib/transport/static_metadata.h
index e0a8196..28ad6f2 100644
--- a/src/core/lib/transport/static_metadata.h
+++ b/src/core/lib/transport/static_metadata.h
@@ -175,8 +175,8 @@
 #define GRPC_MDSTR_IF_UNMODIFIED_SINCE (&grpc_static_mdstr_table[62])
 /* "last-modified" */
 #define GRPC_MDSTR_LAST_MODIFIED (&grpc_static_mdstr_table[63])
-/* "lb-cost" */
-#define GRPC_MDSTR_LB_COST (&grpc_static_mdstr_table[64])
+/* "lb-cost-bin" */
+#define GRPC_MDSTR_LB_COST_BIN (&grpc_static_mdstr_table[64])
 /* "lb-token" */
 #define GRPC_MDSTR_LB_TOKEN (&grpc_static_mdstr_table[65])
 /* "link" */
@@ -337,8 +337,8 @@
 #define GRPC_MDELEM_IF_UNMODIFIED_SINCE_EMPTY (&grpc_static_mdelem_table[44])
 /* "last-modified": "" */
 #define GRPC_MDELEM_LAST_MODIFIED_EMPTY (&grpc_static_mdelem_table[45])
-/* "lb-cost": "" */
-#define GRPC_MDELEM_LB_COST_EMPTY (&grpc_static_mdelem_table[46])
+/* "lb-cost-bin": "" */
+#define GRPC_MDELEM_LB_COST_BIN_EMPTY (&grpc_static_mdelem_table[46])
 /* "lb-token": "" */
 #define GRPC_MDELEM_LB_TOKEN_EMPTY (&grpc_static_mdelem_table[47])
 /* "link": "" */
diff --git a/src/core/plugin_registry/grpc_cronet_plugin_registry.c b/src/core/plugin_registry/grpc_cronet_plugin_registry.c
index d0b5f5c..d339ed3 100644
--- a/src/core/plugin_registry/grpc_cronet_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_cronet_plugin_registry.c
@@ -35,12 +35,12 @@
 
 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_client_channel_init(void);
+extern void grpc_client_channel_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_client_channel_init,
+                       grpc_client_channel_shutdown);
 }
diff --git a/src/core/plugin_registry/grpc_plugin_registry.c b/src/core/plugin_registry/grpc_plugin_registry.c
index 7a7a9ce..2efd9cd 100644
--- a/src/core/plugin_registry/grpc_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_plugin_registry.c
@@ -35,8 +35,8 @@
 
 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_client_channel_init(void);
+extern void grpc_client_channel_shutdown(void);
 extern void grpc_lb_policy_grpclb_init(void);
 extern void grpc_lb_policy_grpclb_shutdown(void);
 extern void grpc_lb_policy_pick_first_init(void);
@@ -55,8 +55,8 @@
 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_client_channel_init,
+                       grpc_client_channel_shutdown);
   grpc_register_plugin(grpc_lb_policy_grpclb_init,
                        grpc_lb_policy_grpclb_shutdown);
   grpc_register_plugin(grpc_lb_policy_pick_first_init,
diff --git a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
index ad4ddf0..8b18af6 100644
--- a/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_unsecure_plugin_registry.c
@@ -35,8 +35,8 @@
 
 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_client_channel_init(void);
+extern void grpc_client_channel_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);
@@ -55,8 +55,8 @@
 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_client_channel_init,
+                       grpc_client_channel_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/csharp/Grpc.Auth/GoogleAuthInterceptors.cs b/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
index 96d6ee8..722b51f 100644
--- a/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
+++ b/src/csharp/Grpc.Auth/GoogleAuthInterceptors.cs
@@ -33,6 +33,7 @@
 
 using System;
 using System.Threading;
+using System.Threading.Tasks;
 
 using Google.Apis.Auth.OAuth2;
 using Grpc.Core;
@@ -72,9 +73,10 @@
         public static AsyncAuthInterceptor FromAccessToken(string accessToken)
         {
             GrpcPreconditions.CheckNotNull(accessToken);
-            return new AsyncAuthInterceptor(async (context, metadata) =>
+            return new AsyncAuthInterceptor((context, metadata) =>
             {
                 metadata.Add(CreateBearerTokenHeader(accessToken));
+                return Task.FromResult<object>(null);
             });
         }
 
diff --git a/src/csharp/Grpc.Core/DefaultCallInvoker.cs b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
index 1a99e41..b15aaef 100644
--- a/src/csharp/Grpc.Core/DefaultCallInvoker.cs
+++ b/src/csharp/Grpc.Core/DefaultCallInvoker.cs
@@ -102,6 +102,7 @@
             return Calls.AsyncDuplexStreamingCall(call);
         }
 
+        /// <summary>Creates call invocation details for given method.</summary>
         protected virtual CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options)
                 where TRequest : class
                 where TResponse : class
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 622813f..e75dc9f 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -138,6 +138,7 @@
     <Compile Include="Internal\CallError.cs" />
     <Compile Include="Logging\LogLevel.cs" />
     <Compile Include="Logging\LogLevelFilterLogger.cs" />
+    <Compile Include="Internal\RequestCallContextSafeHandle.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Grpc.Core.nuspec" />
diff --git a/src/csharp/Grpc.Core/GrpcEnvironment.cs b/src/csharp/Grpc.Core/GrpcEnvironment.cs
index 3ed2df2..c57c904 100644
--- a/src/csharp/Grpc.Core/GrpcEnvironment.cs
+++ b/src/csharp/Grpc.Core/GrpcEnvironment.cs
@@ -59,7 +59,6 @@
 
         static ILogger logger = new NullLogger();
 
-        readonly object myLock = new object();
         readonly GrpcThreadPool threadPool;
         readonly DebugStats debugStats = new DebugStats();
         readonly AtomicCounter cqPickerCounter = new AtomicCounter();
diff --git a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
index c28a6f6..26449ee 100644
--- a/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/BatchContextSafeHandle.cs
@@ -93,21 +93,6 @@
             return data;
         }
 
-        // Gets data of server_rpc_new completion.
-        public ServerRpcNew GetServerRpcNew(Server server)
-        {
-            var call = Native.grpcsharp_batch_context_server_rpc_new_call(this);
-
-            var method = Marshal.PtrToStringAnsi(Native.grpcsharp_batch_context_server_rpc_new_method(this));
-            var host = Marshal.PtrToStringAnsi(Native.grpcsharp_batch_context_server_rpc_new_host(this));
-            var deadline = Native.grpcsharp_batch_context_server_rpc_new_deadline(this);
-
-            IntPtr metadataArrayPtr = Native.grpcsharp_batch_context_server_rpc_new_request_metadata(this);
-            var metadata = MetadataArraySafeHandle.ReadMetadataFromPtrUnsafe(metadataArrayPtr);
-
-            return new ServerRpcNew(server, call, method, host, deadline, metadata);
-        }
-
         // Gets data of receive_close_on_server completion.
         public bool GetReceivedCloseOnServerCancelled()
         {
diff --git a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
index 628844f..7e2f0e9 100644
--- a/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
+++ b/src/csharp/Grpc.Core/Internal/CompletionRegistry.cs
@@ -44,6 +44,8 @@
 
     internal delegate void BatchCompletionDelegate(bool success, BatchContextSafeHandle ctx);
 
+    internal delegate void RequestCallCompletionDelegate(bool success, RequestCallContextSafeHandle ctx);
+
     internal class CompletionRegistry
     {
         static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<CompletionRegistry>();
@@ -68,6 +70,12 @@
             Register(ctx.Handle, opCallback);
         }
 
+        public void RegisterRequestCallCompletion(RequestCallContextSafeHandle ctx, RequestCallCompletionDelegate callback)
+        {
+            OpCompletionDelegate opCallback = ((success) => HandleRequestCallCompletion(success, ctx, callback));
+            Register(ctx.Handle, opCallback);
+        }
+
         public OpCompletionDelegate Extract(IntPtr key)
         {
             OpCompletionDelegate value;
@@ -84,7 +92,26 @@
             }
             catch (Exception e)
             {
-                Logger.Error(e, "Exception occured while invoking completion delegate.");
+                Logger.Error(e, "Exception occured while invoking batch completion delegate.");
+            }
+            finally
+            {
+                if (ctx != null)
+                {
+                    ctx.Dispose();
+                }
+            }
+        }
+
+        private static void HandleRequestCallCompletion(bool success, RequestCallContextSafeHandle ctx, RequestCallCompletionDelegate callback)
+        {
+            try
+            {
+                callback(success, ctx);
+            }
+            catch (Exception e)
+            {
+                Logger.Error(e, "Exception occured while invoking request call completion delegate.");
             }
             finally
             {
diff --git a/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
index ef48dc7..0c63e20 100644
--- a/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
+++ b/src/csharp/Grpc.Core/Internal/InterceptingCallInvoker.cs
@@ -48,7 +48,7 @@
         readonly Func<CallOptions, CallOptions> callOptionsInterceptor;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="Grpc.Core.InterceptingCallInvoker"/> class.
+        /// Initializes a new instance of the <see cref="Grpc.Core.Internal.InterceptingCallInvoker"/> class.
         /// </summary>
         public InterceptingCallInvoker(CallInvoker callInvoker,
             Func<string, string> hostInterceptor = null,
diff --git a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
index 26af631..b371448 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
@@ -78,7 +78,10 @@
             {
                 var context = new AuthInterceptorContext(Marshal.PtrToStringAnsi(serviceUrlPtr),
                                                          Marshal.PtrToStringAnsi(methodNamePtr));
-                StartGetMetadata(context, callbackPtr, userDataPtr);
+                // Don't await, we are in a native callback and need to return.
+                #pragma warning disable 4014
+                GetMetadataAsync(context, callbackPtr, userDataPtr);
+                #pragma warning restore 4014
             }
             catch (Exception e)
             {
@@ -87,7 +90,7 @@
             }
         }
 
-        private async Task StartGetMetadata(AuthInterceptorContext context, IntPtr callbackPtr, IntPtr userDataPtr)
+        private async Task GetMetadataAsync(AuthInterceptorContext context, IntPtr callbackPtr, IntPtr userDataPtr)
         {
             try
             {
diff --git a/src/csharp/Grpc.Core/Internal/NativeMethods.cs b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
index f457c9d..40ba7e3 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMethods.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMethods.cs
@@ -64,14 +64,17 @@
         public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_status_delegate grpcsharp_batch_context_recv_status_on_client_status;
         public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_details_delegate grpcsharp_batch_context_recv_status_on_client_details;
         public readonly Delegates.grpcsharp_batch_context_recv_status_on_client_trailing_metadata_delegate grpcsharp_batch_context_recv_status_on_client_trailing_metadata;
-        public readonly Delegates.grpcsharp_batch_context_server_rpc_new_call_delegate grpcsharp_batch_context_server_rpc_new_call;
-        public readonly Delegates.grpcsharp_batch_context_server_rpc_new_method_delegate grpcsharp_batch_context_server_rpc_new_method;
-        public readonly Delegates.grpcsharp_batch_context_server_rpc_new_host_delegate grpcsharp_batch_context_server_rpc_new_host;
-        public readonly Delegates.grpcsharp_batch_context_server_rpc_new_deadline_delegate grpcsharp_batch_context_server_rpc_new_deadline;
-        public readonly Delegates.grpcsharp_batch_context_server_rpc_new_request_metadata_delegate grpcsharp_batch_context_server_rpc_new_request_metadata;
         public readonly Delegates.grpcsharp_batch_context_recv_close_on_server_cancelled_delegate grpcsharp_batch_context_recv_close_on_server_cancelled;
         public readonly Delegates.grpcsharp_batch_context_destroy_delegate grpcsharp_batch_context_destroy;
 
+        public readonly Delegates.grpcsharp_request_call_context_create_delegate grpcsharp_request_call_context_create;
+        public readonly Delegates.grpcsharp_request_call_context_call_delegate grpcsharp_request_call_context_call;
+        public readonly Delegates.grpcsharp_request_call_context_method_delegate grpcsharp_request_call_context_method;
+        public readonly Delegates.grpcsharp_request_call_context_host_delegate grpcsharp_request_call_context_host;
+        public readonly Delegates.grpcsharp_request_call_context_deadline_delegate grpcsharp_request_call_context_deadline;
+        public readonly Delegates.grpcsharp_request_call_context_request_metadata_delegate grpcsharp_request_call_context_request_metadata;
+        public readonly Delegates.grpcsharp_request_call_context_destroy_delegate grpcsharp_request_call_context_destroy;
+
         public readonly Delegates.grpcsharp_composite_call_credentials_create_delegate grpcsharp_composite_call_credentials_create;
         public readonly Delegates.grpcsharp_call_credentials_release_delegate grpcsharp_call_credentials_release;
 
@@ -170,14 +173,17 @@
             this.grpcsharp_batch_context_recv_status_on_client_status = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_status_delegate>(library);
             this.grpcsharp_batch_context_recv_status_on_client_details = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_details_delegate>(library);
             this.grpcsharp_batch_context_recv_status_on_client_trailing_metadata = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_status_on_client_trailing_metadata_delegate>(library);
-            this.grpcsharp_batch_context_server_rpc_new_call = GetMethodDelegate<Delegates.grpcsharp_batch_context_server_rpc_new_call_delegate>(library);
-            this.grpcsharp_batch_context_server_rpc_new_method = GetMethodDelegate<Delegates.grpcsharp_batch_context_server_rpc_new_method_delegate>(library);
-            this.grpcsharp_batch_context_server_rpc_new_host = GetMethodDelegate<Delegates.grpcsharp_batch_context_server_rpc_new_host_delegate>(library);
-            this.grpcsharp_batch_context_server_rpc_new_deadline = GetMethodDelegate<Delegates.grpcsharp_batch_context_server_rpc_new_deadline_delegate>(library);
-            this.grpcsharp_batch_context_server_rpc_new_request_metadata = GetMethodDelegate<Delegates.grpcsharp_batch_context_server_rpc_new_request_metadata_delegate>(library);
             this.grpcsharp_batch_context_recv_close_on_server_cancelled = GetMethodDelegate<Delegates.grpcsharp_batch_context_recv_close_on_server_cancelled_delegate>(library);
             this.grpcsharp_batch_context_destroy = GetMethodDelegate<Delegates.grpcsharp_batch_context_destroy_delegate>(library);
 
+            this.grpcsharp_request_call_context_create = GetMethodDelegate<Delegates.grpcsharp_request_call_context_create_delegate>(library);
+            this.grpcsharp_request_call_context_call = GetMethodDelegate<Delegates.grpcsharp_request_call_context_call_delegate>(library);
+            this.grpcsharp_request_call_context_method = GetMethodDelegate<Delegates.grpcsharp_request_call_context_method_delegate>(library);
+            this.grpcsharp_request_call_context_host = GetMethodDelegate<Delegates.grpcsharp_request_call_context_host_delegate>(library);
+            this.grpcsharp_request_call_context_deadline = GetMethodDelegate<Delegates.grpcsharp_request_call_context_deadline_delegate>(library);
+            this.grpcsharp_request_call_context_request_metadata = GetMethodDelegate<Delegates.grpcsharp_request_call_context_request_metadata_delegate>(library);
+            this.grpcsharp_request_call_context_destroy = GetMethodDelegate<Delegates.grpcsharp_request_call_context_destroy_delegate>(library);
+
             this.grpcsharp_composite_call_credentials_create = GetMethodDelegate<Delegates.grpcsharp_composite_call_credentials_create_delegate>(library);
             this.grpcsharp_call_credentials_release = GetMethodDelegate<Delegates.grpcsharp_call_credentials_release_delegate>(library);
 
@@ -302,14 +308,17 @@
             public delegate StatusCode grpcsharp_batch_context_recv_status_on_client_status_delegate(BatchContextSafeHandle ctx);
             public delegate IntPtr grpcsharp_batch_context_recv_status_on_client_details_delegate(BatchContextSafeHandle ctx);  // returns const char*
             public delegate IntPtr grpcsharp_batch_context_recv_status_on_client_trailing_metadata_delegate(BatchContextSafeHandle ctx);
-            public delegate CallSafeHandle grpcsharp_batch_context_server_rpc_new_call_delegate(BatchContextSafeHandle ctx);
-            public delegate IntPtr grpcsharp_batch_context_server_rpc_new_method_delegate(BatchContextSafeHandle ctx);  // returns const char*
-            public delegate IntPtr grpcsharp_batch_context_server_rpc_new_host_delegate(BatchContextSafeHandle ctx);  // returns const char*
-            public delegate Timespec grpcsharp_batch_context_server_rpc_new_deadline_delegate(BatchContextSafeHandle ctx);
-            public delegate IntPtr grpcsharp_batch_context_server_rpc_new_request_metadata_delegate(BatchContextSafeHandle ctx);
             public delegate int grpcsharp_batch_context_recv_close_on_server_cancelled_delegate(BatchContextSafeHandle ctx);
             public delegate void grpcsharp_batch_context_destroy_delegate(IntPtr ctx);
 
+            public delegate RequestCallContextSafeHandle grpcsharp_request_call_context_create_delegate();
+            public delegate CallSafeHandle grpcsharp_request_call_context_call_delegate(RequestCallContextSafeHandle ctx);
+            public delegate IntPtr grpcsharp_request_call_context_method_delegate(RequestCallContextSafeHandle ctx);  // returns const char*
+            public delegate IntPtr grpcsharp_request_call_context_host_delegate(RequestCallContextSafeHandle ctx);  // returns const char*
+            public delegate Timespec grpcsharp_request_call_context_deadline_delegate(RequestCallContextSafeHandle ctx);
+            public delegate IntPtr grpcsharp_request_call_context_request_metadata_delegate(RequestCallContextSafeHandle ctx);
+            public delegate void grpcsharp_request_call_context_destroy_delegate(IntPtr ctx);
+
             public delegate CallCredentialsSafeHandle grpcsharp_composite_call_credentials_create_delegate(CallCredentialsSafeHandle creds1, CallCredentialsSafeHandle creds2);
             public delegate void grpcsharp_call_credentials_release_delegate(IntPtr credentials);
 
@@ -393,7 +402,7 @@
             public delegate int grpcsharp_server_add_insecure_http2_port_delegate(ServerSafeHandle server, string addr);
             public delegate int grpcsharp_server_add_secure_http2_port_delegate(ServerSafeHandle server, string addr, ServerCredentialsSafeHandle creds);
             public delegate void grpcsharp_server_start_delegate(ServerSafeHandle server);
-            public delegate CallError grpcsharp_server_request_call_delegate(ServerSafeHandle server, CompletionQueueSafeHandle cq, BatchContextSafeHandle ctx);
+            public delegate CallError grpcsharp_server_request_call_delegate(ServerSafeHandle server, CompletionQueueSafeHandle cq, RequestCallContextSafeHandle ctx);
             public delegate void grpcsharp_server_cancel_all_calls_delegate(ServerSafeHandle server);
             public delegate void grpcsharp_server_shutdown_and_notify_callback_delegate(ServerSafeHandle server, CompletionQueueSafeHandle cq, BatchContextSafeHandle ctx);
             public delegate void grpcsharp_server_destroy_delegate(IntPtr server);
diff --git a/src/csharp/Grpc.Core/Internal/RequestCallContextSafeHandle.cs b/src/csharp/Grpc.Core/Internal/RequestCallContextSafeHandle.cs
new file mode 100644
index 0000000..ea7819d
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/RequestCallContextSafeHandle.cs
@@ -0,0 +1,85 @@
+#region Copyright notice and license
+
+// 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.
+
+#endregion
+
+using System;
+using System.Runtime.InteropServices;
+using Grpc.Core;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// grpcsharp_request_call_context
+    /// </summary>
+    internal class RequestCallContextSafeHandle : SafeHandleZeroIsInvalid
+    {
+        static readonly NativeMethods Native = NativeMethods.Get();
+
+        private RequestCallContextSafeHandle()
+        {
+        }
+
+        public static RequestCallContextSafeHandle Create()
+        {
+            return Native.grpcsharp_request_call_context_create();
+        }
+
+        public IntPtr Handle
+        {
+            get
+            {
+                return handle;
+            }
+        }
+
+        // Gets data of server_rpc_new completion.
+        public ServerRpcNew GetServerRpcNew(Server server)
+        {
+            var call = Native.grpcsharp_request_call_context_call(this);
+
+            var method = Marshal.PtrToStringAnsi(Native.grpcsharp_request_call_context_method(this));
+            var host = Marshal.PtrToStringAnsi(Native.grpcsharp_request_call_context_host(this));
+            var deadline = Native.grpcsharp_request_call_context_deadline(this);
+
+            IntPtr metadataArrayPtr = Native.grpcsharp_request_call_context_request_metadata(this);
+            var metadata = MetadataArraySafeHandle.ReadMetadataFromPtrUnsafe(metadataArrayPtr);
+
+            return new ServerRpcNew(server, call, method, host, deadline, metadata);
+        }
+
+        protected override bool ReleaseHandle()
+        {
+            Native.grpcsharp_request_call_context_destroy(handle);
+            return true;
+        }
+    }
+}
diff --git a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
index 014a8db..7d7b838 100644
--- a/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ServerSafeHandle.cs
@@ -85,12 +85,12 @@
             }
         }
 
-        public void RequestCall(BatchCompletionDelegate callback, CompletionQueueSafeHandle completionQueue)
+        public void RequestCall(RequestCallCompletionDelegate callback, CompletionQueueSafeHandle completionQueue)
         {
             using (completionQueue.NewScope())
             {
-                var ctx = BatchContextSafeHandle.Create();
-                completionQueue.CompletionRegistry.RegisterBatchCompletion(ctx, callback);
+                var ctx = RequestCallContextSafeHandle.Create();
+                completionQueue.CompletionRegistry.RegisterRequestCallCompletion(ctx, callback);
                 Native.grpcsharp_server_request_call(this, completionQueue, ctx).CheckOk();
             }
         }
diff --git a/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs b/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
index 31e1402..1553bdd 100644
--- a/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
+++ b/src/csharp/Grpc.Core/Internal/UnmanagedLibrary.cs
@@ -134,7 +134,11 @@
             {
                 throw new MissingMethodException(string.Format("The native method \"{0}\" does not exist", methodName));
             }
-            return Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T;
+#if NETSTANDARD1_5
+            return Marshal.GetDelegateForFunctionPointer<T>(ptr);  // non-generic version is obsolete
+#else
+            return Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T;  // generic version not available in .NET45
+#endif
         }
 
         /// <summary>
diff --git a/src/csharp/Grpc.Core/Metadata.cs b/src/csharp/Grpc.Core/Metadata.cs
index 915bec1..6fc715d 100644
--- a/src/csharp/Grpc.Core/Metadata.cs
+++ b/src/csharp/Grpc.Core/Metadata.cs
@@ -95,11 +95,18 @@
 
         #region IList members
 
+
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public int IndexOf(Metadata.Entry item)
         {
             return entries.IndexOf(item);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void Insert(int index, Metadata.Entry item)
         {
             GrpcPreconditions.CheckNotNull(item);
@@ -107,12 +114,18 @@
             entries.Insert(index, item);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void RemoveAt(int index)
         {
             CheckWriteable();
             entries.RemoveAt(index);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public Metadata.Entry this[int index]
         {
             get
@@ -128,6 +141,9 @@
             }
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void Add(Metadata.Entry item)
         {
             GrpcPreconditions.CheckNotNull(item);
@@ -135,48 +151,75 @@
             entries.Add(item);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void Add(string key, string value)
         {
             Add(new Entry(key, value));
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void Add(string key, byte[] valueBytes)
         {
             Add(new Entry(key, valueBytes));
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void Clear()
         {
             CheckWriteable();
             entries.Clear();
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public bool Contains(Metadata.Entry item)
         {
             return entries.Contains(item);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public void CopyTo(Metadata.Entry[] array, int arrayIndex)
         {
             entries.CopyTo(array, arrayIndex);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public int Count
         {
             get { return entries.Count; }
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public bool IsReadOnly
         {
             get { return readOnly; }
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public bool Remove(Metadata.Entry item)
         {
             CheckWriteable();
             return entries.Remove(item);
         }
 
+        /// <summary>
+        /// <see cref="T:IList`1"/>
+        /// </summary>
         public IEnumerator<Metadata.Entry> GetEnumerator()
         {
             return entries.GetEnumerator();
@@ -221,7 +264,7 @@
             public Entry(string key, byte[] valueBytes)
             {
                 this.key = NormalizeKey(key);
-                GrpcPreconditions.CheckArgument(this.key.EndsWith(BinaryHeaderSuffix),
+                GrpcPreconditions.CheckArgument(HasBinaryHeaderSuffix(this.key),
                     "Key for binary valued metadata entry needs to have suffix indicating binary value.");
                 this.value = null;
                 GrpcPreconditions.CheckNotNull(valueBytes, "valueBytes");
@@ -237,7 +280,7 @@
             public Entry(string key, string value)
             {
                 this.key = NormalizeKey(key);
-                GrpcPreconditions.CheckArgument(!this.key.EndsWith(BinaryHeaderSuffix),
+                GrpcPreconditions.CheckArgument(!HasBinaryHeaderSuffix(this.key),
                     "Key for ASCII valued metadata entry cannot have suffix indicating binary value.");
                 this.value = GrpcPreconditions.CheckNotNull(value, "value");
                 this.valueBytes = null;
@@ -324,7 +367,7 @@
             /// </summary>
             internal static Entry CreateUnsafe(string key, byte[] valueBytes)
             {
-                if (key.EndsWith(BinaryHeaderSuffix))
+                if (HasBinaryHeaderSuffix(key))
                 {
                     return new Entry(key, null, valueBytes);
                 }
@@ -338,6 +381,27 @@
                     "Metadata entry key not valid. Keys can only contain lowercase alphanumeric characters, underscores and hyphens.");
                 return normalized;
             }
+
+            /// <summary>
+            /// Returns <c>true</c> if the key has "-bin" binary header suffix.
+            /// </summary>
+            private static bool HasBinaryHeaderSuffix(string key)
+            {
+                // We don't use just string.EndsWith because its implementation is extremely slow
+                // on CoreCLR and we've seen significant differences in gRPC benchmarks caused by it.
+                // See https://github.com/dotnet/coreclr/issues/5612
+
+                int len = key.Length;
+                if (len >= 4 &&
+                    key[len - 4] == '-' &&
+                    key[len - 3] == 'b' &&
+                    key[len - 2] == 'i' &&
+                    key[len - 1] == 'n')
+                {
+                    return true;
+                }
+                return false;
+            }
         }
     }
 }
diff --git a/src/csharp/Grpc.Core/Server.cs b/src/csharp/Grpc.Core/Server.cs
index dd4a405..63c1d9c 100644
--- a/src/csharp/Grpc.Core/Server.cs
+++ b/src/csharp/Grpc.Core/Server.cs
@@ -47,7 +47,7 @@
     /// </summary>
     public class Server
     {
-        const int InitialAllowRpcTokenCountPerCq = 10;
+        const int DefaultRequestCallTokensPerCq = 2000;
         static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<Server>();
 
         readonly AtomicCounter activeCallCounter = new AtomicCounter();
@@ -66,7 +66,7 @@
 
         bool startRequested;
         volatile bool shutdownRequested;
-
+        int requestCallTokensPerCq = DefaultRequestCallTokensPerCq;
 
         /// <summary>
         /// Creates a new server.
@@ -133,6 +133,27 @@
         }
 
         /// <summary>
+        /// Experimental API. Might anytime change without prior notice.
+        /// Number or calls requested via grpc_server_request_call at any given time for each completion queue.
+        /// </summary>
+        public int RequestCallTokensPerCompletionQueue
+        {
+            get
+            {
+                return requestCallTokensPerCq;
+            }
+            set
+            {
+                lock (myLock)
+                {
+                    GrpcPreconditions.CheckState(!startRequested);
+                    GrpcPreconditions.CheckArgument(value > 0);
+                    requestCallTokensPerCq = value;
+                }
+            }
+        }
+
+        /// <summary>
         /// Starts the server.
         /// </summary>
         public void Start()
@@ -145,9 +166,7 @@
                 
                 handle.Start();
 
-                // Starting with more than one AllowOneRpc tokens can significantly increase
-                // unary RPC throughput.
-                for (int i = 0; i < InitialAllowRpcTokenCountPerCq; i++)
+                for (int i = 0; i < requestCallTokensPerCq; i++)
                 {
                     foreach (var cq in environment.CompletionQueues)
                     {
@@ -310,7 +329,7 @@
         /// <summary>
         /// Selects corresponding handler for given call and handles the call.
         /// </summary>
-        private async Task HandleCallAsync(ServerRpcNew newRpc, CompletionQueueSafeHandle cq)
+        private async Task HandleCallAsync(ServerRpcNew newRpc, CompletionQueueSafeHandle cq, Action continuation)
         {
             try
             {
@@ -325,25 +344,40 @@
             {
                 Logger.Warning(e, "Exception while handling RPC.");
             }
+            finally
+            {
+                continuation();
+            }
         }
 
         /// <summary>
         /// Handles the native callback.
         /// </summary>
-        private void HandleNewServerRpc(bool success, BatchContextSafeHandle ctx, CompletionQueueSafeHandle cq)
+        private void HandleNewServerRpc(bool success, RequestCallContextSafeHandle ctx, CompletionQueueSafeHandle cq)
         {
-			Task.Run(() => AllowOneRpc(cq));
-
+            bool nextRpcRequested = false;
             if (success)
             {
-                ServerRpcNew newRpc = ctx.GetServerRpcNew(this);
+                var newRpc = ctx.GetServerRpcNew(this);
 
                 // after server shutdown, the callback returns with null call
                 if (!newRpc.Call.IsInvalid)
                 {
-                    HandleCallAsync(newRpc, cq);  // we don't need to await.
+                    nextRpcRequested = true;
+
+                    // Start asynchronous handler for the call.
+                    // Don't await, the continuations will run on gRPC thread pool once triggered
+                    // by cq.Next().
+                    #pragma warning disable 4014
+                    HandleCallAsync(newRpc, cq, () => AllowOneRpc(cq));
+                    #pragma warning restore 4014
                 }
             }
+
+            if (!nextRpcRequested)
+            {
+                AllowOneRpc(cq);
+            }
         }
 
         /// <summary>
diff --git a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
index 1b900c8..fe200f8 100644
--- a/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
+++ b/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json
@@ -67,5 +67,10 @@
         }
       }
     }
+  },
+  "runtimeOptions": {
+    "configProperties": {
+      "System.GC.Server": true
+    }
   }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index cb92632..5ba83b1 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -195,8 +195,11 @@
                 case "status_code_and_message":
                     await RunStatusCodeAndMessageAsync(client);
                     break;
+                case "unimplemented_service":
+                    RunUnimplementedService(new UnimplementedService.UnimplementedServiceClient(channel));
+                    break;
                 case "unimplemented_method":
-                    RunUnimplementedMethod(new UnimplementedService.UnimplementedServiceClient(channel));
+                    RunUnimplementedMethod(client);
                     break;
                 case "client_compressed_unary":
                     RunClientCompressedUnary(client);
@@ -577,13 +580,21 @@
             Console.WriteLine("Passed!");
         }
 
-        public static void RunUnimplementedMethod(UnimplementedService.UnimplementedServiceClient client)
+        public static void RunUnimplementedService(UnimplementedService.UnimplementedServiceClient client)
+        {
+            Console.WriteLine("running unimplemented_service");
+            var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
+
+            Assert.AreEqual(StatusCode.Unimplemented, e.Status.StatusCode);
+            Console.WriteLine("Passed!");
+        }
+
+        public static void RunUnimplementedMethod(TestService.TestServiceClient client)
         {
             Console.WriteLine("running unimplemented_method");
             var e = Assert.Throws<RpcException>(() => client.UnimplementedCall(new Empty()));
 
             Assert.AreEqual(StatusCode.Unimplemented, e.Status.StatusCode);
-            Assert.AreEqual("", e.Status.Detail);
             Console.WriteLine("Passed!");
         }
 
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
index f907f63..4960a53 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClientServerTest.cs
@@ -146,9 +146,15 @@
         }
 
         [Test]
+        public void UnimplementedService()
+        {
+            InteropClient.RunUnimplementedService(new UnimplementedService.UnimplementedServiceClient(channel));
+        }
+
+        [Test]
         public void UnimplementedMethod()
         {
-            InteropClient.RunUnimplementedMethod(new UnimplementedService.UnimplementedServiceClient(channel));
+            InteropClient.RunUnimplementedMethod(client);
         }
     }
 }
diff --git a/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs b/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
index 865556c..62a7347 100644
--- a/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
+++ b/src/csharp/Grpc.IntegrationTesting/QpsWorker.cs
@@ -76,6 +76,11 @@
 
         private async Task RunAsync()
         {
+            // (ThreadPoolSize == ProcessorCount) gives best throughput in benchmarks
+            // and doesn't seem to harm performance even when server and client
+            // are running on the same machine.
+            GrpcEnvironment.SetThreadPoolSize(Environment.ProcessorCount);
+
             string host = "0.0.0.0";
             int port = options.DriverPort;
 
diff --git a/src/csharp/Grpc.IntegrationTesting/Test.cs b/src/csharp/Grpc.IntegrationTesting/Test.cs
index 88c2b8a..d2fa9f8 100644
--- a/src/csharp/Grpc.IntegrationTesting/Test.cs
+++ b/src/csharp/Grpc.IntegrationTesting/Test.cs
@@ -24,25 +24,28 @@
           string.Concat(
             "CiFzcmMvcHJvdG8vZ3JwYy90ZXN0aW5nL3Rlc3QucHJvdG8SDGdycGMudGVz",
             "dGluZxoic3JjL3Byb3RvL2dycGMvdGVzdGluZy9lbXB0eS5wcm90bxolc3Jj",
-            "L3Byb3RvL2dycGMvdGVzdGluZy9tZXNzYWdlcy5wcm90bzK7BAoLVGVzdFNl",
+            "L3Byb3RvL2dycGMvdGVzdGluZy9tZXNzYWdlcy5wcm90bzLLBQoLVGVzdFNl",
             "cnZpY2USNQoJRW1wdHlDYWxsEhMuZ3JwYy50ZXN0aW5nLkVtcHR5GhMuZ3Jw",
             "Yy50ZXN0aW5nLkVtcHR5EkYKCVVuYXJ5Q2FsbBIbLmdycGMudGVzdGluZy5T",
-            "aW1wbGVSZXF1ZXN0GhwuZ3JwYy50ZXN0aW5nLlNpbXBsZVJlc3BvbnNlEmwK",
-            "E1N0cmVhbWluZ091dHB1dENhbGwSKC5ncnBjLnRlc3RpbmcuU3RyZWFtaW5n",
-            "T3V0cHV0Q2FsbFJlcXVlc3QaKS5ncnBjLnRlc3RpbmcuU3RyZWFtaW5nT3V0",
-            "cHV0Q2FsbFJlc3BvbnNlMAESaQoSU3RyZWFtaW5nSW5wdXRDYWxsEicuZ3Jw",
-            "Yy50ZXN0aW5nLlN0cmVhbWluZ0lucHV0Q2FsbFJlcXVlc3QaKC5ncnBjLnRl",
-            "c3RpbmcuU3RyZWFtaW5nSW5wdXRDYWxsUmVzcG9uc2UoARJpCg5GdWxsRHVw",
-            "bGV4Q2FsbBIoLmdycGMudGVzdGluZy5TdHJlYW1pbmdPdXRwdXRDYWxsUmVx",
-            "dWVzdBopLmdycGMudGVzdGluZy5TdHJlYW1pbmdPdXRwdXRDYWxsUmVzcG9u",
-            "c2UoATABEmkKDkhhbGZEdXBsZXhDYWxsEiguZ3JwYy50ZXN0aW5nLlN0cmVh",
-            "bWluZ091dHB1dENhbGxSZXF1ZXN0GikuZ3JwYy50ZXN0aW5nLlN0cmVhbWlu",
-            "Z091dHB1dENhbGxSZXNwb25zZSgBMAEyVQoUVW5pbXBsZW1lbnRlZFNlcnZp",
-            "Y2USPQoRVW5pbXBsZW1lbnRlZENhbGwSEy5ncnBjLnRlc3RpbmcuRW1wdHka",
-            "Ey5ncnBjLnRlc3RpbmcuRW1wdHkyiQEKEFJlY29ubmVjdFNlcnZpY2USOwoF",
-            "U3RhcnQSHS5ncnBjLnRlc3RpbmcuUmVjb25uZWN0UGFyYW1zGhMuZ3JwYy50",
-            "ZXN0aW5nLkVtcHR5EjgKBFN0b3ASEy5ncnBjLnRlc3RpbmcuRW1wdHkaGy5n",
-            "cnBjLnRlc3RpbmcuUmVjb25uZWN0SW5mb2IGcHJvdG8z"));
+            "aW1wbGVSZXF1ZXN0GhwuZ3JwYy50ZXN0aW5nLlNpbXBsZVJlc3BvbnNlEk8K",
+            "EkNhY2hlYWJsZVVuYXJ5Q2FsbBIbLmdycGMudGVzdGluZy5TaW1wbGVSZXF1",
+            "ZXN0GhwuZ3JwYy50ZXN0aW5nLlNpbXBsZVJlc3BvbnNlEmwKE1N0cmVhbWlu",
+            "Z091dHB1dENhbGwSKC5ncnBjLnRlc3RpbmcuU3RyZWFtaW5nT3V0cHV0Q2Fs",
+            "bFJlcXVlc3QaKS5ncnBjLnRlc3RpbmcuU3RyZWFtaW5nT3V0cHV0Q2FsbFJl",
+            "c3BvbnNlMAESaQoSU3RyZWFtaW5nSW5wdXRDYWxsEicuZ3JwYy50ZXN0aW5n",
+            "LlN0cmVhbWluZ0lucHV0Q2FsbFJlcXVlc3QaKC5ncnBjLnRlc3RpbmcuU3Ry",
+            "ZWFtaW5nSW5wdXRDYWxsUmVzcG9uc2UoARJpCg5GdWxsRHVwbGV4Q2FsbBIo",
+            "LmdycGMudGVzdGluZy5TdHJlYW1pbmdPdXRwdXRDYWxsUmVxdWVzdBopLmdy",
+            "cGMudGVzdGluZy5TdHJlYW1pbmdPdXRwdXRDYWxsUmVzcG9uc2UoATABEmkK",
+            "DkhhbGZEdXBsZXhDYWxsEiguZ3JwYy50ZXN0aW5nLlN0cmVhbWluZ091dHB1",
+            "dENhbGxSZXF1ZXN0GikuZ3JwYy50ZXN0aW5nLlN0cmVhbWluZ091dHB1dENh",
+            "bGxSZXNwb25zZSgBMAESPQoRVW5pbXBsZW1lbnRlZENhbGwSEy5ncnBjLnRl",
+            "c3RpbmcuRW1wdHkaEy5ncnBjLnRlc3RpbmcuRW1wdHkyVQoUVW5pbXBsZW1l",
+            "bnRlZFNlcnZpY2USPQoRVW5pbXBsZW1lbnRlZENhbGwSEy5ncnBjLnRlc3Rp",
+            "bmcuRW1wdHkaEy5ncnBjLnRlc3RpbmcuRW1wdHkyiQEKEFJlY29ubmVjdFNl",
+            "cnZpY2USOwoFU3RhcnQSHS5ncnBjLnRlc3RpbmcuUmVjb25uZWN0UGFyYW1z",
+            "GhMuZ3JwYy50ZXN0aW5nLkVtcHR5EjgKBFN0b3ASEy5ncnBjLnRlc3Rpbmcu",
+            "RW1wdHkaGy5ncnBjLnRlc3RpbmcuUmVjb25uZWN0SW5mb2IGcHJvdG8z"));
       descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
           new pbr::FileDescriptor[] { global::Grpc.Testing.EmptyReflection.Descriptor, global::Grpc.Testing.MessagesReflection.Descriptor, },
           new pbr::GeneratedClrTypeInfo(null, null));
diff --git a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
index 61f2ed4..8d649bf 100644
--- a/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
+++ b/src/csharp/Grpc.IntegrationTesting/TestGrpc.cs
@@ -71,6 +71,13 @@
         __Marshaller_SimpleRequest,
         __Marshaller_SimpleResponse);
 
+    static readonly Method<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> __Method_CacheableUnaryCall = new Method<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse>(
+        MethodType.Unary,
+        __ServiceName,
+        "CacheableUnaryCall",
+        __Marshaller_SimpleRequest,
+        __Marshaller_SimpleResponse);
+
     static readonly Method<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse> __Method_StreamingOutputCall = new Method<global::Grpc.Testing.StreamingOutputCallRequest, global::Grpc.Testing.StreamingOutputCallResponse>(
         MethodType.ServerStreaming,
         __ServiceName,
@@ -99,6 +106,13 @@
         __Marshaller_StreamingOutputCallRequest,
         __Marshaller_StreamingOutputCallResponse);
 
+    static readonly Method<global::Grpc.Testing.Empty, global::Grpc.Testing.Empty> __Method_UnimplementedCall = new Method<global::Grpc.Testing.Empty, global::Grpc.Testing.Empty>(
+        MethodType.Unary,
+        __ServiceName,
+        "UnimplementedCall",
+        __Marshaller_Empty,
+        __Marshaller_Empty);
+
     /// <summary>Service descriptor</summary>
     public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
     {
@@ -125,6 +139,16 @@
       }
 
       /// <summary>
+      ///  One request followed by one response. Response has cache control
+      ///  headers set such that a caching HTTP proxy (such as GFE) can
+      ///  satisfy subsequent requests.
+      /// </summary>
+      public virtual global::System.Threading.Tasks.Task<global::Grpc.Testing.SimpleResponse> CacheableUnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
+      /// <summary>
       ///  One request followed by a sequence of responses (streamed download).
       ///  The server returns the payload with client desired type and sizes.
       /// </summary>
@@ -163,6 +187,15 @@
         throw new RpcException(new Status(StatusCode.Unimplemented, ""));
       }
 
+      /// <summary>
+      ///  The test server will not implement this method. It will be used
+      ///  to test the behavior when clients call unimplemented methods.
+      /// </summary>
+      public virtual global::System.Threading.Tasks.Task<global::Grpc.Testing.Empty> UnimplementedCall(global::Grpc.Testing.Empty request, ServerCallContext context)
+      {
+        throw new RpcException(new Status(StatusCode.Unimplemented, ""));
+      }
+
     }
 
     /// <summary>Client for TestService</summary>
@@ -245,6 +278,42 @@
         return CallInvoker.AsyncUnaryCall(__Method_UnaryCall, null, options, request);
       }
       /// <summary>
+      ///  One request followed by one response. Response has cache control
+      ///  headers set such that a caching HTTP proxy (such as GFE) can
+      ///  satisfy subsequent requests.
+      /// </summary>
+      public virtual global::Grpc.Testing.SimpleResponse CacheableUnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return CacheableUnaryCall(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      ///  One request followed by one response. Response has cache control
+      ///  headers set such that a caching HTTP proxy (such as GFE) can
+      ///  satisfy subsequent requests.
+      /// </summary>
+      public virtual global::Grpc.Testing.SimpleResponse CacheableUnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_CacheableUnaryCall, null, options, request);
+      }
+      /// <summary>
+      ///  One request followed by one response. Response has cache control
+      ///  headers set such that a caching HTTP proxy (such as GFE) can
+      ///  satisfy subsequent requests.
+      /// </summary>
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> CacheableUnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return CacheableUnaryCallAsync(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      ///  One request followed by one response. Response has cache control
+      ///  headers set such that a caching HTTP proxy (such as GFE) can
+      ///  satisfy subsequent requests.
+      /// </summary>
+      public virtual AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> CacheableUnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_CacheableUnaryCall, null, options, request);
+      }
+      /// <summary>
       ///  One request followed by a sequence of responses (streamed download).
       ///  The server returns the payload with client desired type and sizes.
       /// </summary>
@@ -314,6 +383,38 @@
       {
         return CallInvoker.AsyncDuplexStreamingCall(__Method_HalfDuplexCall, null, options);
       }
+      /// <summary>
+      ///  The test server will not implement this method. It will be used
+      ///  to test the behavior when clients call unimplemented methods.
+      /// </summary>
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        return UnimplementedCall(request, new CallOptions(headers, deadline, cancellationToken));
+      }
+      /// <summary>
+      ///  The test server will not implement this method. It will be used
+      ///  to test the behavior when clients call unimplemented methods.
+      /// </summary>
+      public virtual global::Grpc.Testing.Empty UnimplementedCall(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.BlockingUnaryCall(__Method_UnimplementedCall, null, options, request);
+      }
+      /// <summary>
+      ///  The test server will not implement this method. It will be used
+      ///  to test the behavior when clients call unimplemented methods.
+      /// </summary>
+      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));
+      }
+      /// <summary>
+      ///  The test server will not implement this method. It will be used
+      ///  to test the behavior when clients call unimplemented methods.
+      /// </summary>
+      public virtual AsyncUnaryCall<global::Grpc.Testing.Empty> UnimplementedCallAsync(global::Grpc.Testing.Empty request, CallOptions options)
+      {
+        return CallInvoker.AsyncUnaryCall(__Method_UnimplementedCall, null, options, request);
+      }
       /// <summary>Creates a new instance of client from given <c>ClientBaseConfiguration</c>.</summary>
       protected override TestServiceClient NewInstance(ClientBaseConfiguration configuration)
       {
@@ -327,10 +428,12 @@
       return ServerServiceDefinition.CreateBuilder()
           .AddMethod(__Method_EmptyCall, serviceImpl.EmptyCall)
           .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_CacheableUnaryCall, serviceImpl.CacheableUnaryCall)
           .AddMethod(__Method_StreamingOutputCall, serviceImpl.StreamingOutputCall)
           .AddMethod(__Method_StreamingInputCall, serviceImpl.StreamingInputCall)
           .AddMethod(__Method_FullDuplexCall, serviceImpl.FullDuplexCall)
-          .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall).Build();
+          .AddMethod(__Method_HalfDuplexCall, serviceImpl.HalfDuplexCall)
+          .AddMethod(__Method_UnimplementedCall, serviceImpl.UnimplementedCall).Build();
     }
 
   }
diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index 068bf70..9a5d786 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c
@@ -84,11 +84,6 @@
     size_t status_details_capacity;
   } recv_status_on_client;
   int recv_close_on_server_cancelled;
-  struct {
-    grpc_call *call;
-    grpc_call_details call_details;
-    grpc_metadata_array request_metadata;
-  } server_rpc_new;
 } grpcsharp_batch_context;
 
 GPR_EXPORT grpcsharp_batch_context *GPR_CALLTYPE grpcsharp_batch_context_create() {
@@ -97,6 +92,18 @@
   return ctx;
 }
 
+typedef struct {
+  grpc_call *call;
+  grpc_call_details call_details;
+  grpc_metadata_array request_metadata;
+} grpcsharp_request_call_context;
+
+GPR_EXPORT grpcsharp_request_call_context *GPR_CALLTYPE grpcsharp_request_call_context_create() {
+  grpcsharp_request_call_context *ctx = gpr_malloc(sizeof(grpcsharp_request_call_context));
+  memset(ctx, 0, sizeof(grpcsharp_request_call_context));
+  return ctx;
+}
+
 /*
  * Destroys array->metadata.
  * The array pointer itself is not freed.
@@ -230,13 +237,20 @@
       &(ctx->recv_status_on_client.trailing_metadata));
   gpr_free((void *)ctx->recv_status_on_client.status_details);
 
+  gpr_free(ctx);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_request_call_context_destroy(grpcsharp_request_call_context *ctx) {
+  if (!ctx) {
+    return;
+  }
   /* NOTE: ctx->server_rpc_new.call is not destroyed because callback handler is
      supposed
      to take its ownership. */
 
-  grpc_call_details_destroy(&(ctx->server_rpc_new.call_details));
+  grpc_call_details_destroy(&(ctx->call_details));
   grpcsharp_metadata_array_destroy_metadata_only(
-      &(ctx->server_rpc_new.request_metadata));
+      &(ctx->request_metadata));
 
   gpr_free(ctx);
 }
@@ -303,32 +317,32 @@
   return &(ctx->recv_status_on_client.trailing_metadata);
 }
 
-GPR_EXPORT grpc_call *GPR_CALLTYPE grpcsharp_batch_context_server_rpc_new_call(
-    const grpcsharp_batch_context *ctx) {
-  return ctx->server_rpc_new.call;
+GPR_EXPORT grpc_call *GPR_CALLTYPE grpcsharp_request_call_context_call(
+    const grpcsharp_request_call_context *ctx) {
+  return ctx->call;
 }
 
 GPR_EXPORT const char *GPR_CALLTYPE
-grpcsharp_batch_context_server_rpc_new_method(
-    const grpcsharp_batch_context *ctx) {
-  return ctx->server_rpc_new.call_details.method;
+grpcsharp_request_call_context_method(
+    const grpcsharp_request_call_context *ctx) {
+  return ctx->call_details.method;
 }
 
-GPR_EXPORT const char *GPR_CALLTYPE grpcsharp_batch_context_server_rpc_new_host(
-    const grpcsharp_batch_context *ctx) {
-  return ctx->server_rpc_new.call_details.host;
+GPR_EXPORT const char *GPR_CALLTYPE grpcsharp_request_call_context_host(
+    const grpcsharp_request_call_context *ctx) {
+  return ctx->call_details.host;
 }
 
 GPR_EXPORT gpr_timespec GPR_CALLTYPE
-grpcsharp_batch_context_server_rpc_new_deadline(
-    const grpcsharp_batch_context *ctx) {
-  return ctx->server_rpc_new.call_details.deadline;
+grpcsharp_request_call_context_deadline(
+    const grpcsharp_request_call_context *ctx) {
+  return ctx->call_details.deadline;
 }
 
 GPR_EXPORT const grpc_metadata_array *GPR_CALLTYPE
-grpcsharp_batch_context_server_rpc_new_request_metadata(
-    const grpcsharp_batch_context *ctx) {
-  return &(ctx->server_rpc_new.request_metadata);
+grpcsharp_request_call_context_request_metadata(
+    const grpcsharp_request_call_context *ctx) {
+  return &(ctx->request_metadata);
 }
 
 GPR_EXPORT int32_t GPR_CALLTYPE
@@ -853,10 +867,10 @@
 
 GPR_EXPORT grpc_call_error GPR_CALLTYPE
 grpcsharp_server_request_call(grpc_server *server, grpc_completion_queue *cq,
-                              grpcsharp_batch_context *ctx) {
+                              grpcsharp_request_call_context *ctx) {
   return grpc_server_request_call(
-      server, &(ctx->server_rpc_new.call), &(ctx->server_rpc_new.call_details),
-      &(ctx->server_rpc_new.request_metadata), cq, cq, ctx);
+      server, &(ctx->call), &(ctx->call_details),
+      &(ctx->request_metadata), cq, cq, ctx);
 }
 
 /* Security */
diff --git a/src/node/ext/node_grpc.cc b/src/node/ext/node_grpc.cc
index 745b502..848c601 100644
--- a/src/node/ext/node_grpc.cc
+++ b/src/node/ext/node_grpc.cc
@@ -261,10 +261,10 @@
   Nan::HandleScope scope;
   Local<Object> log_verbosity = Nan::New<Object>();
   Nan::Set(exports, Nan::New("logVerbosity").ToLocalChecked(), log_verbosity);
-  Local<Value> DEBUG(Nan::New<Uint32, uint32_t>(GPR_LOG_SEVERITY_DEBUG));
-  Nan::Set(log_verbosity, Nan::New("DEBUG").ToLocalChecked(), DEBUG);
-  Local<Value> INFO(Nan::New<Uint32, uint32_t>(GPR_LOG_SEVERITY_INFO));
-  Nan::Set(log_verbosity, Nan::New("INFO").ToLocalChecked(), INFO);
+  Local<Value> LOG_DEBUG(Nan::New<Uint32, uint32_t>(GPR_LOG_SEVERITY_DEBUG));
+  Nan::Set(log_verbosity, Nan::New("DEBUG").ToLocalChecked(), LOG_DEBUG);
+  Local<Value> LOG_INFO(Nan::New<Uint32, uint32_t>(GPR_LOG_SEVERITY_INFO));
+  Nan::Set(log_verbosity, Nan::New("INFO").ToLocalChecked(), LOG_INFO);
   Local<Value> LOG_ERROR(Nan::New<Uint32, uint32_t>(GPR_LOG_SEVERITY_ERROR));
   Nan::Set(log_verbosity, Nan::New("ERROR").ToLocalChecked(), LOG_ERROR);
 }
diff --git a/src/node/interop/interop_client.js b/src/node/interop/interop_client.js
index e8f2d37..a59a66b 100644
--- a/src/node/interop/interop_client.js
+++ b/src/node/interop/interop_client.js
@@ -375,7 +375,8 @@
   duplex.end();
 }
 
-function unimplementedMethod(client, done) {
+// NOTE: the client param to this function is from UnimplementedService
+function unimplementedService(client, done) {
   client.unimplementedCall({}, function(err, resp) {
     assert(err);
     assert.strictEqual(err.code, grpc.status.UNIMPLEMENTED);
@@ -384,6 +385,15 @@
   });
 }
 
+// NOTE: the client param to this function is from TestService
+function unimplementedMethod(client, done) {
+  client.unimplementedCall({}, function(err, resp) {
+    assert(err);
+    assert.strictEqual(err.code, grpc.status.UNIMPLEMENTED);
+    done();
+  });
+}
+
 /**
  * Run one of the authentication tests.
  * @param {string} expected_user The expected username in the response
@@ -527,8 +537,10 @@
                     Client: testProto.TestService},
   status_code_and_message: {run: statusCodeAndMessage,
                             Client: testProto.TestService},
-  unimplemented_method: {run: unimplementedMethod,
+  unimplemented_service: {run: unimplementedService,
                          Client: testProto.UnimplementedService},
+  unimplemented_method: {run: unimplementedMethod,
+                         Client: testProto.TestService},
   compute_engine_creds: {run: computeEngineCreds,
                          Client: testProto.TestService,
                          getCreds: getApplicationCreds},
diff --git a/src/node/test/interop_sanity_test.js b/src/node/test/interop_sanity_test.js
index f008a87..58f8842 100644
--- a/src/node/test/interop_sanity_test.js
+++ b/src/node/test/interop_sanity_test.js
@@ -98,6 +98,10 @@
     interop_client.runTest(port, name_override, 'status_code_and_message',
                            true, true, done);
   });
+  it('should pass unimplemented_service', function(done) {
+    interop_client.runTest(port, name_override, 'unimplemented_service',
+                           true, true, done);
+  });
   it('should pass unimplemented_method', function(done) {
     interop_client.runTest(port, name_override, 'unimplemented_method',
                            true, true, done);
diff --git a/src/proto/grpc/testing/duplicate/echo_duplicate.proto b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
index 94130ea..97fdbc4 100644
--- a/src/proto/grpc/testing/duplicate/echo_duplicate.proto
+++ b/src/proto/grpc/testing/duplicate/echo_duplicate.proto
@@ -38,4 +38,5 @@
 
 service EchoTestService {
   rpc Echo(grpc.testing.EchoRequest) returns (grpc.testing.EchoResponse);
+  rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
 }
diff --git a/src/proto/grpc/testing/test.proto b/src/proto/grpc/testing/test.proto
index d6ef58a..2b0dcde 100644
--- a/src/proto/grpc/testing/test.proto
+++ b/src/proto/grpc/testing/test.proto
@@ -77,7 +77,7 @@
 
   // The test server will not implement this method. It will be used
   // to test the behavior when clients call unimplemented methods.
-  rpc UnimplementedMethod(grpc.testing.Empty) returns (grpc.testing.Empty);
+  rpc UnimplementedCall(grpc.testing.Empty) returns (grpc.testing.Empty);
 }
 
 // A simple service NOT implemented at servers so clients can test for
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 406f88a..fb24e12 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -164,6 +164,7 @@
   'src/core/lib/surface/version.c',
   'src/core/lib/transport/byte_stream.c',
   'src/core/lib/transport/connectivity_state.c',
+  'src/core/lib/transport/mdstr_hash_table.c',
   'src/core/lib/transport/metadata.c',
   'src/core/lib/transport/metadata_batch.c',
   'src/core/lib/transport/static_metadata.c',
@@ -222,25 +223,26 @@
   '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_plugin.c',
-  'src/core/ext/client_config/connector.c',
-  'src/core/ext/client_config/default_initial_connect_string.c',
-  'src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c',
-  'src/core/ext/client_config/subchannel.c',
-  'src/core/ext/client_config/subchannel_index.c',
-  'src/core/ext/client_config/uri_parser.c',
+  'src/core/ext/client_channel/channel_connectivity.c',
+  'src/core/ext/client_channel/client_channel.c',
+  'src/core/ext/client_channel/client_channel_factory.c',
+  'src/core/ext/client_channel/client_channel_plugin.c',
+  'src/core/ext/client_channel/connector.c',
+  'src/core/ext/client_channel/default_initial_connect_string.c',
+  'src/core/ext/client_channel/http_connect_handshaker.c',
+  'src/core/ext/client_channel/initial_connect_string.c',
+  'src/core/ext/client_channel/lb_policy.c',
+  'src/core/ext/client_channel/lb_policy_factory.c',
+  'src/core/ext/client_channel/lb_policy_registry.c',
+  'src/core/ext/client_channel/method_config.c',
+  'src/core/ext/client_channel/parse_address.c',
+  'src/core/ext/client_channel/resolver.c',
+  'src/core/ext/client_channel/resolver_factory.c',
+  'src/core/ext/client_channel/resolver_registry.c',
+  'src/core/ext/client_channel/resolver_result.c',
+  'src/core/ext/client_channel/subchannel.c',
+  'src/core/ext/client_channel/subchannel_index.c',
+  'src/core/ext/client_channel/uri_parser.c',
   'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
   'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
   'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
diff --git a/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py b/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py
index 1324ad3..3d9dd17 100644
--- a/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py
+++ b/src/python/grpcio_tests/tests/unit/_channel_connectivity_test.py
@@ -34,8 +34,6 @@
 import unittest
 
 import grpc
-from grpc import _channel
-from grpc import _server
 from tests.unit.framework.common import test_constants
 from tests.unit import _thread_pool
 
@@ -78,7 +76,7 @@
   def test_lonely_channel_connectivity(self):
     callback = _Callback()
 
-    channel = _channel.Channel('localhost:12345', (), None)
+    channel = grpc.insecure_channel('localhost:12345')
     channel.subscribe(callback.update, try_to_connect=False)
     first_connectivities = callback.block_until_connectivities_satisfy(bool)
     channel.subscribe(callback.update, try_to_connect=True)
@@ -105,13 +103,13 @@
 
   def test_immediately_connectable_channel_connectivity(self):
     thread_pool = _thread_pool.RecordingThreadPool(max_workers=None)
-    server = _server.Server(thread_pool, (), ())
+    server = grpc.server(thread_pool)
     port = server.add_insecure_port('[::]:0')
     server.start()
     first_callback = _Callback()
     second_callback = _Callback()
 
-    channel = _channel.Channel('localhost:{}'.format(port), (), None)
+    channel = grpc.insecure_channel('localhost:{}'.format(port))
     channel.subscribe(first_callback.update, try_to_connect=False)
     first_connectivities = first_callback.block_until_connectivities_satisfy(
         bool)
@@ -146,12 +144,12 @@
 
   def test_reachable_then_unreachable_channel_connectivity(self):
     thread_pool = _thread_pool.RecordingThreadPool(max_workers=None)
-    server = _server.Server(thread_pool, (), ())
+    server = grpc.server(thread_pool)
     port = server.add_insecure_port('[::]:0')
     server.start()
     callback = _Callback()
 
-    channel = _channel.Channel('localhost:{}'.format(port), (), None)
+    channel = grpc.insecure_channel('localhost:{}'.format(port))
     channel.subscribe(callback.update, try_to_connect=True)
     callback.block_until_connectivities_satisfy(_ready_in_connectivities)
     # Now take down the server and confirm that channel readiness is repudiated.
diff --git a/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py b/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py
index 60d478b..e0a7d15 100644
--- a/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py
+++ b/src/python/grpcio_tests/tests/unit/_channel_ready_future_test.py
@@ -33,8 +33,6 @@
 import unittest
 
 import grpc
-from grpc import _channel
-from grpc import _server
 from tests.unit.framework.common import test_constants
 from tests.unit import _thread_pool
 
@@ -79,7 +77,7 @@
 
   def test_immediately_connectable_channel_connectivity(self):
     thread_pool = _thread_pool.RecordingThreadPool(max_workers=None)
-    server = _server.Server(thread_pool, (), ())
+    server = grpc.server(thread_pool)
     port = server.add_insecure_port('[::]:0')
     server.start()
     channel = grpc.insecure_channel('localhost:{}'.format(port))
diff --git a/src/ruby/README.md b/src/ruby/README.md
index f476fe7..266d6b2 100644
--- a/src/ruby/README.md
+++ b/src/ruby/README.md
@@ -59,7 +59,7 @@
 - bin: example gRPC clients and servers, e.g,
 
   ```ruby
-  stub = Math::Math::Stub.new('my.test.math.server.com:8080')
+  stub = Math::Math::Stub.new('my.test.math.server.com:8080', :this_channel_is_insecure)
   req = Math::DivArgs.new(dividend: 7, divisor: 3)
   GRPC.logger.info("div(7/3): req=#{req.inspect}")
   resp = stub.div(req)
diff --git a/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template b/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template
index 83b8a9b..8304d20 100644
--- a/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template
+++ b/templates/src/csharp/Grpc.IntegrationTesting.QpsWorker/project.json.template
@@ -20,5 +20,10 @@
           }
         }
       }
+    },
+    "runtimeOptions": {
+      "configProperties": {
+        "System.GC.Server": true
+      }
     }
   }
diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index b1c1ed9..26fc3dc 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c
@@ -118,6 +118,7 @@
   int *channel_data;
   int *call_data;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_mdstr *path = grpc_mdstr_from_string("/service/method");
 
   arg.type = GRPC_ARG_INTEGER;
   arg.key = "test_key";
@@ -136,7 +137,7 @@
 
   call_stack = gpr_malloc(channel_stack->call_stack_size);
   grpc_error *error = grpc_call_stack_init(
-      &exec_ctx, channel_stack, 1, free_call, call_stack, NULL, NULL,
+      &exec_ctx, channel_stack, 1, free_call, call_stack, NULL, NULL, path,
       gpr_inf_future(GPR_CLOCK_MONOTONIC), call_stack);
   GPR_ASSERT(error == GRPC_ERROR_NONE);
   GPR_ASSERT(call_stack->count == 1);
@@ -154,6 +155,7 @@
   GRPC_CHANNEL_STACK_UNREF(&exec_ctx, channel_stack, "done");
 
   grpc_exec_ctx_finish(&exec_ctx);
+  GRPC_MDSTR_UNREF(path);
 }
 
 int main(int argc, char **argv) {
diff --git a/test/core/client_config/lb_policies_test.c b/test/core/client_channel/lb_policies_test.c
similarity index 99%
rename from test/core/client_config/lb_policies_test.c
rename to test/core/client_channel/lb_policies_test.c
index fafff7b..844db5e 100644
--- a/test/core/client_config/lb_policies_test.c
+++ b/test/core/client_channel/lb_policies_test.c
@@ -41,8 +41,8 @@
 #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/ext/client_channel/client_channel.h"
+#include "src/core/ext/client_channel/lb_policy_registry.h"
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/support/string.h"
 #include "src/core/lib/surface/channel.h"
diff --git a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c b/test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
similarity index 98%
rename from test/core/client_config/resolvers/dns_resolver_connectivity_test.c
rename to test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
index d3b9619..07723c2 100644
--- a/test/core/client_config/resolvers/dns_resolver_connectivity_test.c
+++ b/test/core/client_channel/resolvers/dns_resolver_connectivity_test.c
@@ -36,7 +36,7 @@
 #include <grpc/grpc.h>
 #include <grpc/support/alloc.h>
 
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/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"
diff --git a/test/core/client_config/resolvers/dns_resolver_test.c b/test/core/client_channel/resolvers/dns_resolver_test.c
similarity index 97%
rename from test/core/client_config/resolvers/dns_resolver_test.c
rename to test/core/client_channel/resolvers/dns_resolver_test.c
index c3f4cb1..41a9125 100644
--- a/test/core/client_config/resolvers/dns_resolver_test.c
+++ b/test/core/client_channel/resolvers/dns_resolver_test.c
@@ -35,7 +35,7 @@
 
 #include <grpc/support/log.h>
 
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/resolver_registry.h"
 #include "test/core/util/test_config.h"
 
 static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
diff --git a/test/core/client_config/resolvers/sockaddr_resolver_test.c b/test/core/client_channel/resolvers/sockaddr_resolver_test.c
similarity index 97%
rename from test/core/client_config/resolvers/sockaddr_resolver_test.c
rename to test/core/client_channel/resolvers/sockaddr_resolver_test.c
index b5d96ef..c39052c 100644
--- a/test/core/client_config/resolvers/sockaddr_resolver_test.c
+++ b/test/core/client_channel/resolvers/sockaddr_resolver_test.c
@@ -37,8 +37,8 @@
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/client_config/resolver_registry.h"
-#include "src/core/ext/client_config/resolver_result.h"
+#include "src/core/ext/client_channel/resolver_registry.h"
+#include "src/core/ext/client_channel/resolver_result.h"
 
 #include "test/core/util/test_config.h"
 
diff --git a/test/core/client_config/set_initial_connect_string_test.c b/test/core/client_channel/set_initial_connect_string_test.c
similarity index 99%
rename from test/core/client_config/set_initial_connect_string_test.c
rename to test/core/client_channel/set_initial_connect_string_test.c
index 1b51424..b7bd675 100644
--- a/test/core/client_config/set_initial_connect_string_test.c
+++ b/test/core/client_channel/set_initial_connect_string_test.c
@@ -39,7 +39,7 @@
 #include <grpc/support/slice.h>
 #include <grpc/support/thd.h>
 
-#include "src/core/ext/client_config/initial_connect_string.h"
+#include "src/core/ext/client_channel/initial_connect_string.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/security/credentials/fake/fake_credentials.h"
 #include "src/core/lib/support/string.h"
diff --git a/test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342 b/test/core/client_channel/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
similarity index 100%
rename from test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
rename to test/core/client_channel/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342
diff --git a/test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342 b/test/core/client_channel/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
similarity index 100%
rename from test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
rename to test/core/client_channel/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342
diff --git a/test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11 b/test/core/client_channel/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
similarity index 100%
rename from test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
rename to test/core/client_channel/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11
diff --git a/test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f b/test/core/client_channel/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
similarity index 100%
rename from test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
rename to test/core/client_channel/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f
diff --git a/test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118 b/test/core/client_channel/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
similarity index 100%
rename from test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
rename to test/core/client_channel/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118
diff --git a/test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc b/test/core/client_channel/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
similarity index 100%
rename from test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
rename to test/core/client_channel/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc
diff --git a/test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f b/test/core/client_channel/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
similarity index 100%
rename from test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
rename to test/core/client_channel/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f
diff --git a/test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80 b/test/core/client_channel/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
similarity index 100%
rename from test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
rename to test/core/client_channel/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80
diff --git a/test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971 b/test/core/client_channel/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
similarity index 100%
rename from test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
rename to test/core/client_channel/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971
diff --git a/test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc b/test/core/client_channel/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
similarity index 100%
rename from test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
rename to test/core/client_channel/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc
diff --git a/test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1 b/test/core/client_channel/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
similarity index 100%
rename from test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
rename to test/core/client_channel/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1
diff --git a/test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf b/test/core/client_channel/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
similarity index 100%
rename from test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
rename to test/core/client_channel/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf
diff --git a/test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce b/test/core/client_channel/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
similarity index 100%
rename from test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
rename to test/core/client_channel/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce
diff --git a/test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327 b/test/core/client_channel/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
similarity index 100%
rename from test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
rename to test/core/client_channel/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327
diff --git a/test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c b/test/core/client_channel/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
similarity index 100%
rename from test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
rename to test/core/client_channel/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c
diff --git a/test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc b/test/core/client_channel/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
similarity index 100%
rename from test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
rename to test/core/client_channel/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc
diff --git a/test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c b/test/core/client_channel/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
similarity index 100%
rename from test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
rename to test/core/client_channel/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c
diff --git a/test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1 b/test/core/client_channel/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
similarity index 100%
rename from test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
rename to test/core/client_channel/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1
diff --git a/test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab b/test/core/client_channel/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
similarity index 100%
rename from test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
rename to test/core/client_channel/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab
diff --git a/test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822 b/test/core/client_channel/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
similarity index 100%
rename from test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
rename to test/core/client_channel/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822
diff --git a/test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb b/test/core/client_channel/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
similarity index 100%
rename from test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
rename to test/core/client_channel/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb
diff --git a/test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8 b/test/core/client_channel/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
similarity index 100%
rename from test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
rename to test/core/client_channel/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8
diff --git a/test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a b/test/core/client_channel/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
similarity index 100%
rename from test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
rename to test/core/client_channel/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a
diff --git a/test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb b/test/core/client_channel/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
similarity index 100%
rename from test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
rename to test/core/client_channel/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb
diff --git a/test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58 b/test/core/client_channel/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
similarity index 100%
rename from test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
rename to test/core/client_channel/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58
diff --git a/test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6 b/test/core/client_channel/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
similarity index 100%
rename from test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
rename to test/core/client_channel/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6
diff --git a/test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1 b/test/core/client_channel/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
similarity index 100%
rename from test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
rename to test/core/client_channel/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1
diff --git a/test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb b/test/core/client_channel/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
similarity index 100%
rename from test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
rename to test/core/client_channel/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb
diff --git a/test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d b/test/core/client_channel/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
similarity index 100%
rename from test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
rename to test/core/client_channel/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d
diff --git a/test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266 b/test/core/client_channel/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
similarity index 100%
rename from test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
rename to test/core/client_channel/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266
diff --git a/test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb b/test/core/client_channel/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
similarity index 100%
rename from test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
rename to test/core/client_channel/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb
diff --git a/test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4 b/test/core/client_channel/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
similarity index 100%
rename from test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
rename to test/core/client_channel/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4
diff --git a/test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb b/test/core/client_channel/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
similarity index 100%
rename from test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
rename to test/core/client_channel/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb
diff --git a/test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8 b/test/core/client_channel/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
similarity index 100%
rename from test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
rename to test/core/client_channel/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8
diff --git a/test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b b/test/core/client_channel/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
similarity index 100%
rename from test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
rename to test/core/client_channel/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b
diff --git a/test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6 b/test/core/client_channel/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
similarity index 100%
rename from test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
rename to test/core/client_channel/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6
diff --git a/test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de b/test/core/client_channel/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
similarity index 100%
rename from test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
rename to test/core/client_channel/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de
diff --git a/test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d b/test/core/client_channel/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
similarity index 100%
rename from test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
rename to test/core/client_channel/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d
diff --git a/test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38 b/test/core/client_channel/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
similarity index 100%
rename from test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
rename to test/core/client_channel/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38
diff --git a/test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757 b/test/core/client_channel/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
similarity index 100%
rename from test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
rename to test/core/client_channel/uri_corpus/aba1472880406a318ce207ee79815b7acf087757
diff --git a/test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2 b/test/core/client_channel/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
similarity index 100%
rename from test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
rename to test/core/client_channel/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2
diff --git a/test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd b/test/core/client_channel/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
similarity index 100%
rename from test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
rename to test/core/client_channel/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd
diff --git a/test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4 b/test/core/client_channel/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
similarity index 100%
rename from test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
rename to test/core/client_channel/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4
diff --git a/test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807 b/test/core/client_channel/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
similarity index 100%
rename from test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
rename to test/core/client_channel/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807
diff --git a/test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d b/test/core/client_channel/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
similarity index 100%
rename from test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
rename to test/core/client_channel/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d
diff --git a/test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9 b/test/core/client_channel/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
similarity index 100%
rename from test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
rename to test/core/client_channel/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9
diff --git a/test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245 b/test/core/client_channel/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
similarity index 100%
rename from test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
rename to test/core/client_channel/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245
diff --git a/test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c b/test/core/client_channel/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
similarity index 100%
rename from test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
rename to test/core/client_channel/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c
diff --git a/test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca b/test/core/client_channel/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
similarity index 100%
rename from test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
rename to test/core/client_channel/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca
diff --git a/test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a b/test/core/client_channel/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
similarity index 100%
rename from test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
rename to test/core/client_channel/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a
diff --git a/test/core/client_config/uri_corpus/dns.txt b/test/core/client_channel/uri_corpus/dns.txt
similarity index 100%
rename from test/core/client_config/uri_corpus/dns.txt
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diff --git a/test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd b/test/core/client_channel/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
similarity index 100%
rename from test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
rename to test/core/client_channel/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd
diff --git a/test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71 b/test/core/client_channel/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
similarity index 100%
rename from test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
rename to test/core/client_channel/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71
diff --git a/test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee b/test/core/client_channel/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
similarity index 100%
rename from test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
rename to test/core/client_channel/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee
diff --git a/test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2 b/test/core/client_channel/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
similarity index 100%
rename from test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
rename to test/core/client_channel/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2
diff --git a/test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3 b/test/core/client_channel/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
similarity index 100%
rename from test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
rename to test/core/client_channel/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3
diff --git a/test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67 b/test/core/client_channel/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
similarity index 100%
rename from test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
rename to test/core/client_channel/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67
diff --git a/test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d b/test/core/client_channel/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
similarity index 100%
rename from test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
rename to test/core/client_channel/uri_corpus/f97598cff03306af3c70400608fec47268b5075d
diff --git a/test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101 b/test/core/client_channel/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
similarity index 100%
rename from test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
rename to test/core/client_channel/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101
diff --git a/test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4 b/test/core/client_channel/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
similarity index 100%
rename from test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
rename to test/core/client_channel/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4
diff --git a/test/core/client_config/uri_corpus/ipv4.txt b/test/core/client_channel/uri_corpus/ipv4.txt
similarity index 100%
rename from test/core/client_config/uri_corpus/ipv4.txt
rename to test/core/client_channel/uri_corpus/ipv4.txt
diff --git a/test/core/client_config/uri_corpus/ipv6.txt b/test/core/client_channel/uri_corpus/ipv6.txt
similarity index 100%
rename from test/core/client_config/uri_corpus/ipv6.txt
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diff --git a/test/core/client_config/uri_corpus/unix.txt b/test/core/client_channel/uri_corpus/unix.txt
similarity index 100%
rename from test/core/client_config/uri_corpus/unix.txt
rename to test/core/client_channel/uri_corpus/unix.txt
diff --git a/test/core/client_config/uri_fuzzer_test.c b/test/core/client_channel/uri_fuzzer_test.c
similarity index 97%
rename from test/core/client_config/uri_fuzzer_test.c
rename to test/core/client_channel/uri_fuzzer_test.c
index f297140..d2e3fb4 100644
--- a/test/core/client_config/uri_fuzzer_test.c
+++ b/test/core/client_channel/uri_fuzzer_test.c
@@ -37,7 +37,7 @@
 
 #include <grpc/support/alloc.h>
 
-#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/ext/client_channel/uri_parser.h"
 
 bool squelch = true;
 bool leak_check = true;
diff --git a/test/core/client_config/uri_parser_test.c b/test/core/client_channel/uri_parser_test.c
similarity index 98%
rename from test/core/client_config/uri_parser_test.c
rename to test/core/client_channel/uri_parser_test.c
index 323e8b6..5f32d32 100644
--- a/test/core/client_config/uri_parser_test.c
+++ b/test/core/client_channel/uri_parser_test.c
@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/ext/client_config/uri_parser.h"
+#include "src/core/ext/client_channel/uri_parser.h"
 
 #include <string.h>
 
diff --git a/test/core/end2end/connection_refused_test.c b/test/core/end2end/connection_refused_test.c
index 62278d6..07d7010 100644
--- a/test/core/end2end/connection_refused_test.c
+++ b/test/core/end2end/connection_refused_test.c
@@ -37,14 +37,16 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 
 #include "test/core/end2end/cq_verifier.h"
+#include "test/core/end2end/fake_resolver.h"
 #include "test/core/util/port.h"
 #include "test/core/util/test_config.h"
 
 static void *tag(intptr_t i) { return (void *)i; }
 
-static void run_test(bool wait_for_ready) {
+static void run_test(bool wait_for_ready, bool use_service_config) {
   grpc_channel *chan;
   grpc_call *call;
   gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
@@ -57,8 +59,10 @@
   char *details = NULL;
   size_t details_capacity = 0;
 
-  gpr_log(GPR_INFO, "TEST: wait_for_ready=%d", wait_for_ready);
+  gpr_log(GPR_INFO, "TEST: wait_for_ready=%d use_service_config=%d",
+          wait_for_ready, use_service_config);
 
+  grpc_fake_resolver_init();
   grpc_init();
 
   grpc_metadata_array_init(&trailing_metadata_recv);
@@ -69,11 +73,21 @@
   /* create a call, channel to a port which will refuse connection */
   int port = grpc_pick_unused_port_or_die();
   char *addr;
-  gpr_join_host_port(&addr, "localhost", port);
+  gpr_join_host_port(&addr, "127.0.0.1", port);
+  if (use_service_config) {
+    GPR_ASSERT(wait_for_ready);
+    char *server_uri;
+    gpr_asprintf(&server_uri,
+                 "test:%s?method_name=/service/method&wait_for_ready=1", addr);
+    gpr_free(addr);
+    addr = server_uri;
+  }
+  gpr_log(GPR_INFO, "server: %s", addr);
 
   chan = grpc_insecure_channel_create(addr, NULL, NULL);
   call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
-                                  "/Foo", "nonexistant", deadline, NULL);
+                                  "/service/method", "nonexistant", deadline,
+                                  NULL);
 
   gpr_free(addr);
 
@@ -81,7 +95,9 @@
   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
-  op->flags = wait_for_ready ? GRPC_INITIAL_METADATA_WAIT_FOR_READY : 0;
+  op->flags = (wait_for_ready && !use_service_config)
+                  ? GRPC_INITIAL_METADATA_WAIT_FOR_READY
+                  : 0;
   op->reserved = NULL;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
@@ -122,7 +138,8 @@
 
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
-  run_test(false);
-  run_test(true);
+  run_test(false /* wait_for_ready */, false /* use_service_config */);
+  run_test(true /* wait_for_ready */, false /* use_service_config */);
+  run_test(true /* wait_for_ready */, true /* use_service_config */);
   return 0;
 }
diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index 34af093..e20273d 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -43,6 +43,7 @@
 #define FEATURE_MASK_SUPPORTS_HOSTNAME_VERIFICATION 2
 #define FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS 4
 #define FEATURE_MASK_SUPPORTS_REQUEST_PROXYING 8
+#define FEATURE_MASK_SUPPORTS_QUERY_ARGS 16
 
 #define FAIL_AUTH_CHECK_SERVER_ARG_NAME "fail_auth_check"
 
@@ -59,7 +60,7 @@
   grpc_end2end_test_fixture (*create_fixture)(grpc_channel_args *client_args,
                                               grpc_channel_args *server_args);
   void (*init_client)(grpc_end2end_test_fixture *f,
-                      grpc_channel_args *client_args);
+                      grpc_channel_args *client_args, const char *query_args);
   void (*init_server)(grpc_end2end_test_fixture *f,
                       grpc_channel_args *server_args);
   void (*tear_down_data)(grpc_end2end_test_fixture *f);
diff --git a/test/core/end2end/fake_resolver.c b/test/core/end2end/fake_resolver.c
index 8a6624a..5669ce5 100644
--- a/test/core/end2end/fake_resolver.c
+++ b/test/core/end2end/fake_resolver.c
@@ -42,8 +42,9 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
-#include "src/core/ext/client_config/parse_address.h"
-#include "src/core/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/method_config.h"
+#include "src/core/ext/client_channel/parse_address.h"
+#include "src/core/ext/client_channel/resolver_registry.h"
 #include "src/core/lib/channel/channel_args.h"
 #include "src/core/lib/iomgr/resolve_address.h"
 #include "src/core/lib/iomgr/unix_sockets_posix.h"
@@ -61,6 +62,7 @@
   char* target_name;  // the path component of the uri passed in
   grpc_lb_addresses* addresses;
   char* lb_policy_name;
+  grpc_method_config_table* method_config_table;
 
   // mutex guarding the rest of the state
   gpr_mu mu;
@@ -78,6 +80,7 @@
   gpr_free(r->target_name);
   grpc_lb_addresses_destroy(r->addresses, NULL /* user_data_destroy */);
   gpr_free(r->lb_policy_name);
+  grpc_method_config_table_unref(r->method_config_table);
   gpr_free(r);
 }
 
@@ -97,10 +100,16 @@
                                                    fake_resolver* r) {
   if (r->next_completion != NULL && !r->published) {
     r->published = true;
+    grpc_channel_args* lb_policy_args = NULL;
+    if (r->method_config_table != NULL) {
+      const grpc_arg arg =
+          grpc_method_config_table_create_channel_arg(r->method_config_table);
+      lb_policy_args = grpc_channel_args_copy_and_add(NULL /* src */, &arg, 1);
+    }
     *r->target_result = grpc_resolver_result_create(
         r->target_name,
         grpc_lb_addresses_copy(r->addresses, NULL /* user_data_copy */),
-        r->lb_policy_name, NULL /* lb_policy_args */);
+        r->lb_policy_name, lb_policy_args);
     grpc_exec_ctx_sched(exec_ctx, r->next_completion, GRPC_ERROR_NONE, NULL);
     r->next_completion = NULL;
   }
@@ -181,6 +190,45 @@
     grpc_lb_addresses_destroy(addresses, NULL /* user_data_destroy */);
     return NULL;
   }
+  // Construct method config table.
+  // We only support parameters for a single method.
+  grpc_method_config_table* method_config_table = NULL;
+  const char* method_name = grpc_uri_get_query_arg(args->uri, "method_name");
+  if (method_name != NULL) {
+    const char* wait_for_ready_str =
+        grpc_uri_get_query_arg(args->uri, "wait_for_ready");
+    // Anything other than "0" is interpreted as true.
+    bool wait_for_ready =
+        wait_for_ready_str != NULL && strcmp("0", wait_for_ready_str) != 0;
+    const char* timeout_str =
+        grpc_uri_get_query_arg(args->uri, "timeout_seconds");
+    gpr_timespec timeout = {timeout_str == NULL ? 0 : atoi(timeout_str), 0,
+                            GPR_TIMESPAN};
+    const char* max_request_message_bytes_str =
+        grpc_uri_get_query_arg(args->uri, "max_request_message_bytes");
+    int32_t max_request_message_bytes =
+        max_request_message_bytes_str == NULL
+            ? 0
+            : atoi(max_request_message_bytes_str);
+    const char* max_response_message_bytes_str =
+        grpc_uri_get_query_arg(args->uri, "max_response_message_bytes");
+    int32_t max_response_message_bytes =
+        max_response_message_bytes_str == NULL
+            ? 0
+            : atoi(max_response_message_bytes_str);
+    grpc_method_config* method_config = grpc_method_config_create(
+        wait_for_ready_str == NULL ? NULL : &wait_for_ready,
+        timeout_str == NULL ? NULL : &timeout,
+        max_request_message_bytes_str == NULL ? NULL
+                                              : &max_request_message_bytes,
+        max_response_message_bytes_str == NULL ? NULL
+                                               : &max_response_message_bytes);
+    grpc_method_config_table_entry entry = {grpc_mdstr_from_string(method_name),
+                                            method_config};
+    method_config_table = grpc_method_config_table_create(1, &entry);
+    GRPC_MDSTR_UNREF(entry.method_name);
+    grpc_method_config_unref(method_config);
+  }
   // Instantiate resolver.
   fake_resolver* r = gpr_malloc(sizeof(fake_resolver));
   memset(r, 0, sizeof(*r));
@@ -188,6 +236,7 @@
   r->addresses = addresses;
   r->lb_policy_name =
       gpr_strdup(grpc_uri_get_query_arg(args->uri, "lb_policy"));
+  r->method_config_table = method_config_table;
   gpr_mu_init(&r->mu);
   grpc_resolver_init(&r->base, &fake_resolver_vtable);
   return &r->base;
diff --git a/test/core/end2end/fixtures/h2_census.c b/test/core/end2end/fixtures/h2_census.c
index e46b39e..c2e1acf 100644
--- a/test/core/end2end/fixtures/h2_census.c
+++ b/test/core/end2end/fixtures/h2_census.c
@@ -41,7 +41,7 @@
 #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/client_channel/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/connected_channel.h"
@@ -79,13 +79,15 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   grpc_arg arg = make_census_enable_arg();
   client_args = grpc_channel_args_copy_and_add(client_args, &arg, 1);
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
-  grpc_channel_args_destroy(client_args);
   GPR_ASSERT(f->client);
+  grpc_channel_args_destroy(client_args);
 }
 
 void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
diff --git a/test/core/end2end/fixtures/h2_compress.c b/test/core/end2end/fixtures/h2_compress.c
index 8f9b7c9..94a198f 100644
--- a/test/core/end2end/fixtures/h2_compress.c
+++ b/test/core/end2end/fixtures/h2_compress.c
@@ -41,7 +41,7 @@
 #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/client_channel/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/connected_channel.h"
@@ -75,7 +75,9 @@
 }
 
 void chttp2_init_client_fullstack_compression(grpc_end2end_test_fixture *f,
-                                              grpc_channel_args *client_args) {
+                                              grpc_channel_args *client_args,
+                                              const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_compression_fixture_data *ffd = f->fixture_data;
   if (ffd->client_args_compression != NULL) {
     grpc_channel_args_destroy(ffd->client_args_compression);
diff --git a/test/core/end2end/fixtures/h2_fake_resolver.c b/test/core/end2end/fixtures/h2_fake_resolver.c
new file mode 100644
index 0000000..429f3c9
--- /dev/null
+++ b/test/core/end2end/fixtures/h2_fake_resolver.c
@@ -0,0 +1,128 @@
+//
+// 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/end2end/end2end_tests.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/ext/client_channel/client_channel.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.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"
+#include "src/core/lib/surface/server.h"
+#include "test/core/end2end/fake_resolver.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+typedef struct fullstack_fixture_data {
+  char *localaddr;
+} fullstack_fixture_data;
+
+static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
+    grpc_channel_args *client_args, grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  int port = grpc_pick_unused_port_or_die();
+  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
+  memset(&f, 0, sizeof(f));
+
+  gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port);
+
+  f.fixture_data = ffd;
+  f.cq = grpc_completion_queue_create(NULL);
+
+  return f;
+}
+
+void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  fullstack_fixture_data *ffd = f->fixture_data;
+  char *server_uri;
+  gpr_asprintf(&server_uri, "test:%s%s%s", ffd->localaddr,
+               (query_args == NULL ? "" : "?"),
+               (query_args == NULL ? "" : query_args));
+  gpr_log(GPR_INFO, "server_uri: %s", server_uri);
+  f->client = grpc_insecure_channel_create(server_uri, client_args, NULL);
+  GPR_ASSERT(f->client);
+  gpr_free(server_uri);
+}
+
+void chttp2_init_server_fullstack(grpc_end2end_test_fixture *f,
+                                  grpc_channel_args *server_args) {
+  fullstack_fixture_data *ffd = f->fixture_data;
+  if (f->server) {
+    grpc_server_destroy(f->server);
+  }
+  f->server = grpc_server_create(server_args, NULL);
+  grpc_server_register_completion_queue(f->server, f->cq, NULL);
+  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
+  grpc_server_start(f->server);
+}
+
+void chttp2_tear_down_fullstack(grpc_end2end_test_fixture *f) {
+  fullstack_fixture_data *ffd = f->fixture_data;
+  gpr_free(ffd->localaddr);
+  gpr_free(ffd);
+}
+
+/* All test configurations */
+static grpc_end2end_test_config configs[] = {
+    {"chttp2/fullstack", FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
+                             FEATURE_MASK_SUPPORTS_QUERY_ARGS,
+     chttp2_create_fixture_fullstack, chttp2_init_client_fullstack,
+     chttp2_init_server_fullstack, chttp2_tear_down_fullstack},
+};
+
+int main(int argc, char **argv) {
+  size_t i;
+
+  grpc_test_init(argc, argv);
+  grpc_end2end_tests_pre_init();
+  grpc_fake_resolver_init();
+  grpc_init();
+
+  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
+    grpc_end2end_tests(argc, argv, configs[i]);
+  }
+
+  grpc_shutdown();
+
+  return 0;
+}
diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index 44408b2..dbe9011 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c
@@ -105,7 +105,9 @@
 }
 
 static void chttp2_init_client_fake_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *fake_ts_creds =
       grpc_fake_transport_security_credentials_create();
   chttp2_init_client_secure_fullstack(f, client_args, fake_ts_creds);
diff --git a/test/core/end2end/fixtures/h2_fd.c b/test/core/end2end/fixtures/h2_fd.c
index 8561fee..5a58fe3 100644
--- a/test/core/end2end/fixtures/h2_fd.c
+++ b/test/core/end2end/fixtures/h2_fd.c
@@ -73,7 +73,10 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
+
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   sp_fixture_data *sfd = f->fixture_data;
 
diff --git a/test/core/end2end/fixtures/h2_full+pipe.c b/test/core/end2end/fixtures/h2_full+pipe.c
index e7dfc56..5d4c44c 100644
--- a/test/core/end2end/fixtures/h2_full+pipe.c
+++ b/test/core/end2end/fixtures/h2_full+pipe.c
@@ -41,7 +41,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
@@ -71,7 +71,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_full+trace.c b/test/core/end2end/fixtures/h2_full+trace.c
index c4dc5b9..64aa53a 100644
--- a/test/core/end2end/fixtures/h2_full+trace.c
+++ b/test/core/end2end/fixtures/h2_full+trace.c
@@ -41,7 +41,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
@@ -71,7 +71,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_full.c b/test/core/end2end/fixtures/h2_full.c
index 4a2f17e..182ce23 100644
--- a/test/core/end2end/fixtures/h2_full.c
+++ b/test/core/end2end/fixtures/h2_full.c
@@ -41,7 +41,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
@@ -70,7 +70,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_http_proxy.c b/test/core/end2end/fixtures/h2_http_proxy.c
index a675a11..2acc06f 100644
--- a/test/core/end2end/fixtures/h2_http_proxy.c
+++ b/test/core/end2end/fixtures/h2_http_proxy.c
@@ -42,7 +42,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
@@ -75,7 +75,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   char *proxy_uri;
   gpr_asprintf(&proxy_uri, "http://%s",
diff --git a/test/core/end2end/fixtures/h2_load_reporting.c b/test/core/end2end/fixtures/h2_load_reporting.c
index f6d3923..0957666 100644
--- a/test/core/end2end/fixtures/h2_load_reporting.c
+++ b/test/core/end2end/fixtures/h2_load_reporting.c
@@ -41,7 +41,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/load_reporting/load_reporting.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/channel_args.h"
@@ -73,7 +73,9 @@
 }
 
 void chttp2_init_client_load_reporting(grpc_end2end_test_fixture *f,
-                                       grpc_channel_args *client_args) {
+                                       grpc_channel_args *client_args,
+                                       const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   load_reporting_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client);
diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index fc56998..dd636cf 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c
@@ -150,7 +150,9 @@
 }
 
 static void chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(test_root_cert, NULL, NULL);
   grpc_call_credentials *oauth2_creds =
diff --git a/test/core/end2end/fixtures/h2_proxy.c b/test/core/end2end/fixtures/h2_proxy.c
index c7b9986..2671e0a 100644
--- a/test/core/end2end/fixtures/h2_proxy.c
+++ b/test/core/end2end/fixtures/h2_proxy.c
@@ -41,7 +41,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
@@ -85,7 +85,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(
       grpc_end2end_proxy_get_client_target(ffd->proxy), client_args, NULL);
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index b8a5257..dd4376f 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -40,7 +40,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
@@ -97,7 +97,9 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index a57990d..87091f7 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -40,7 +40,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
@@ -96,7 +96,9 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 50aac80..7d0a14c 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -40,7 +40,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/compress_filter.h"
 #include "src/core/lib/channel/connected_channel.h"
@@ -96,7 +96,9 @@
 }
 
 static void chttp2_init_client_socketpair(grpc_end2end_test_fixture *f,
-                                          grpc_channel_args *client_args) {
+                                          grpc_channel_args *client_args,
+                                          const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index eb28623..63282ae 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c
@@ -109,7 +109,9 @@
 }
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
diff --git a/test/core/end2end/fixtures/h2_ssl_cert.c b/test/core/end2end/fixtures/h2_ssl_cert.c
index ae2604d..4c2f5f5 100644
--- a/test/core/end2end/fixtures/h2_ssl_cert.c
+++ b/test/core/end2end/fixtures/h2_ssl_cert.c
@@ -154,39 +154,41 @@
 
 typedef enum { NONE, SELF_SIGNED, SIGNED, BAD_CERT_PAIR } certtype;
 
-#define CLIENT_INIT(cert_type)                                               \
-  static void CLIENT_INIT_NAME(cert_type)(grpc_end2end_test_fixture * f,     \
-                                          grpc_channel_args * client_args) { \
-    grpc_channel_credentials *ssl_creds = NULL;                              \
-    grpc_ssl_pem_key_cert_pair self_signed_client_key_cert_pair = {          \
-        test_self_signed_client_key, test_self_signed_client_cert};          \
-    grpc_ssl_pem_key_cert_pair signed_client_key_cert_pair = {               \
-        test_signed_client_key, test_signed_client_cert};                    \
-    grpc_ssl_pem_key_cert_pair bad_client_key_cert_pair = {                  \
-        test_self_signed_client_key, test_signed_client_cert};               \
-    grpc_ssl_pem_key_cert_pair *key_cert_pair = NULL;                        \
-    switch (cert_type) {                                                     \
-      case SELF_SIGNED:                                                      \
-        key_cert_pair = &self_signed_client_key_cert_pair;                   \
-        break;                                                               \
-      case SIGNED:                                                           \
-        key_cert_pair = &signed_client_key_cert_pair;                        \
-        break;                                                               \
-      case BAD_CERT_PAIR:                                                    \
-        key_cert_pair = &bad_client_key_cert_pair;                           \
-        break;                                                               \
-      default:                                                               \
-        break;                                                               \
-    }                                                                        \
-    ssl_creds =                                                              \
-        grpc_ssl_credentials_create(test_root_cert, key_cert_pair, NULL);    \
-    grpc_arg ssl_name_override = {GRPC_ARG_STRING,                           \
-                                  GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,         \
-                                  {"foo.test.google.fr"}};                   \
-    grpc_channel_args *new_client_args =                                     \
-        grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);  \
-    chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);      \
-    grpc_channel_args_destroy(new_client_args);                              \
+#define CLIENT_INIT(cert_type)                                              \
+  static void CLIENT_INIT_NAME(cert_type)(grpc_end2end_test_fixture * f,    \
+                                          grpc_channel_args * client_args,  \
+                                          const char *query_args) {         \
+    GPR_ASSERT(query_args == NULL);                                         \
+    grpc_channel_credentials *ssl_creds = NULL;                             \
+    grpc_ssl_pem_key_cert_pair self_signed_client_key_cert_pair = {         \
+        test_self_signed_client_key, test_self_signed_client_cert};         \
+    grpc_ssl_pem_key_cert_pair signed_client_key_cert_pair = {              \
+        test_signed_client_key, test_signed_client_cert};                   \
+    grpc_ssl_pem_key_cert_pair bad_client_key_cert_pair = {                 \
+        test_self_signed_client_key, test_signed_client_cert};              \
+    grpc_ssl_pem_key_cert_pair *key_cert_pair = NULL;                       \
+    switch (cert_type) {                                                    \
+      case SELF_SIGNED:                                                     \
+        key_cert_pair = &self_signed_client_key_cert_pair;                  \
+        break;                                                              \
+      case SIGNED:                                                          \
+        key_cert_pair = &signed_client_key_cert_pair;                       \
+        break;                                                              \
+      case BAD_CERT_PAIR:                                                   \
+        key_cert_pair = &bad_client_key_cert_pair;                          \
+        break;                                                              \
+      default:                                                              \
+        break;                                                              \
+    }                                                                       \
+    ssl_creds =                                                             \
+        grpc_ssl_credentials_create(test_root_cert, key_cert_pair, NULL);   \
+    grpc_arg ssl_name_override = {GRPC_ARG_STRING,                          \
+                                  GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,        \
+                                  {"foo.test.google.fr"}};                  \
+    grpc_channel_args *new_client_args =                                    \
+        grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1); \
+    chttp2_init_client_secure_fullstack(f, new_client_args, ssl_creds);     \
+    grpc_channel_args_destroy(new_client_args);                             \
   }
 
 CLIENT_INIT(NONE)
@@ -265,7 +267,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index eeb54b8..7d39fb2 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c
@@ -142,7 +142,9 @@
 }
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
-    grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
diff --git a/test/core/end2end/fixtures/h2_uds.c b/test/core/end2end/fixtures/h2_uds.c
index cffbeaf..888d6c0 100644
--- a/test/core/end2end/fixtures/h2_uds.c
+++ b/test/core/end2end/fixtures/h2_uds.c
@@ -44,7 +44,7 @@
 #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/client_channel/client_channel.h"
 #include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
 #include "src/core/lib/channel/connected_channel.h"
 #include "src/core/lib/channel/http_server_filter.h"
@@ -76,7 +76,9 @@
 }
 
 void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
-                                  grpc_channel_args *client_args) {
+                                  grpc_channel_args *client_args,
+                                  const char *query_args) {
+  GPR_ASSERT(query_args == NULL);
   fullstack_fixture_data *ffd = f->fixture_data;
   f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
 }
diff --git a/test/core/end2end/fuzzers/hpack.dictionary b/test/core/end2end/fuzzers/hpack.dictionary
index 181bbe8..12db0ff 100644
--- a/test/core/end2end/fuzzers/hpack.dictionary
+++ b/test/core/end2end/fuzzers/hpack.dictionary
@@ -63,7 +63,7 @@
 "\x08if-range"
 "\x13if-unmodified-since"
 "\x0Dlast-modified"
-"\x07lb-cost"
+"\x0Blb-cost-bin"
 "\x08lb-token"
 "\x04link"
 "\x08location"
@@ -138,7 +138,7 @@
 "\x00\x08if-range\x00"
 "\x00\x13if-unmodified-since\x00"
 "\x00\x0Dlast-modified\x00"
-"\x00\x07lb-cost\x00"
+"\x00\x0Blb-cost-bin\x00"
 "\x00\x08lb-token\x00"
 "\x00\x04link\x00"
 "\x00\x08location\x00"
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 78b37ef..d3d6f5e 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -55,6 +55,7 @@
     'h2_census': default_unsecure_fixture_options,
     'h2_load_reporting': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
+    'h2_fake_resolver': default_unsecure_fixture_options,
     'h2_fd': fd_unsecure_fixture_options,
     'h2_full': default_unsecure_fixture_options,
     'h2_full+pipe': default_unsecure_fixture_options._replace(
@@ -245,7 +246,7 @@
           {
               'name': '%s_test' % f,
               'args': [t],
-              'exclude_configs': [],
+              'exclude_configs': END2END_FIXTURES[f].exclude_configs,
               'platforms': END2END_FIXTURES[f].platforms,
               'ci_platforms': (END2END_FIXTURES[f].platforms
                                if END2END_FIXTURES[f].ci_mac else without(
diff --git a/test/core/end2end/tests/bad_hostname.c b/test/core/end2end/tests/bad_hostname.c
index e0c7ac7..85258dd 100644
--- a/test/core/end2end/tests/bad_hostname.c
+++ b/test/core/end2end/tests/bad_hostname.c
@@ -54,7 +54,7 @@
   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_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   config.init_server(&f, server_args);
   return f;
 }
diff --git a/test/core/end2end/tests/binary_metadata.c b/test/core/end2end/tests/binary_metadata.c
index 6b105de..73b0f17 100644
--- a/test/core/end2end/tests/binary_metadata.c
+++ b/test/core/end2end/tests/binary_metadata.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index 981c0fc..99c5d94 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c
@@ -61,7 +61,7 @@
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(NULL, NULL);
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
   if (fail_server_auth_check) {
     grpc_arg fail_auth_arg = {
         GRPC_ARG_STRING, FAIL_AUTH_CHECK_SERVER_ARG_NAME, {NULL}};
diff --git a/test/core/end2end/tests/cancel_after_accept.c b/test/core/end2end/tests/cancel_after_accept.c
index b4ac3b3..9f49815 100644
--- a/test/core/end2end/tests/cancel_after_accept.c
+++ b/test/core/end2end/tests/cancel_after_accept.c
@@ -49,12 +49,13 @@
 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_channel_args *server_args,
+                                            const char *query_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);
+  config.init_client(&f, client_args, query_args);
   return f;
 }
 
@@ -98,15 +99,15 @@
 
 /* Cancel after accept, no payload */
 static void test_cancel_after_accept(grpc_end2end_test_config config,
-                                     cancellation_mode mode) {
+                                     cancellation_mode mode,
+                                     bool use_service_config) {
   grpc_op ops[6];
   grpc_op *op;
   grpc_call *c;
   grpc_call *s;
-  grpc_end2end_test_fixture f =
-      begin_test(config, "cancel_after_accept", NULL, NULL);
-  gpr_timespec deadline = five_seconds_time();
-  cq_verifier *cqv = cq_verifier_create(f.cq);
+  gpr_timespec deadline = use_service_config
+                              ? gpr_inf_future(GPR_CLOCK_MONOTONIC)
+                              : five_seconds_time();
   grpc_metadata_array initial_metadata_recv;
   grpc_metadata_array trailing_metadata_recv;
   grpc_metadata_array request_metadata_recv;
@@ -125,8 +126,19 @@
       grpc_raw_byte_buffer_create(&response_payload_slice, 1);
   int was_cancelled = 2;
 
+  const char *query_args = NULL;
+  if (use_service_config) {
+    query_args =
+        "method_name=/service/method"
+        "&timeout_seconds=5";
+  }
+  grpc_end2end_test_fixture f =
+      begin_test(config, "cancel_after_accept", NULL, NULL, query_args);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+
   c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
-                               "/foo", "foo.test.google.fr", deadline, NULL);
+                               "/service/method", "foo.test.google.fr",
+                               deadline, NULL);
   GPR_ASSERT(c);
 
   grpc_metadata_array_init(&initial_metadata_recv);
@@ -230,7 +242,18 @@
   unsigned i;
 
   for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
-    test_cancel_after_accept(config, cancellation_modes[i]);
+    test_cancel_after_accept(config, cancellation_modes[i],
+                             false /* use_service_config */);
+  }
+
+  if (config.feature_mask & FEATURE_MASK_SUPPORTS_QUERY_ARGS) {
+    for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
+      if (cancellation_modes[i].expect_status ==
+          GRPC_STATUS_DEADLINE_EXCEEDED) {
+        test_cancel_after_accept(config, cancellation_modes[i],
+                                 true /* use_service_config */);
+      }
+    }
   }
 }
 
diff --git a/test/core/end2end/tests/cancel_after_client_done.c b/test/core/end2end/tests/cancel_after_client_done.c
index 5adc71e..f61a404 100644
--- a/test/core/end2end/tests/cancel_after_client_done.c
+++ b/test/core/end2end/tests/cancel_after_client_done.c
@@ -54,7 +54,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_after_invoke.c b/test/core/end2end/tests/cancel_after_invoke.c
index 85d8799..c31582b 100644
--- a/test/core/end2end/tests/cancel_after_invoke.c
+++ b/test/core/end2end/tests/cancel_after_invoke.c
@@ -55,7 +55,7 @@
   gpr_log(GPR_INFO, "%s/%s/%s", test_name, config.name, mode.name);
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_before_invoke.c b/test/core/end2end/tests/cancel_before_invoke.c
index c570914..5dcd44e 100644
--- a/test/core/end2end/tests/cancel_before_invoke.c
+++ b/test/core/end2end/tests/cancel_before_invoke.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_in_a_vacuum.c b/test/core/end2end/tests/cancel_in_a_vacuum.c
index 3b03616..7f75a92 100644
--- a/test/core/end2end/tests/cancel_in_a_vacuum.c
+++ b/test/core/end2end/tests/cancel_in_a_vacuum.c
@@ -54,7 +54,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
index e65390a..5cf3eb6 100644
--- a/test/core/end2end/tests/cancel_with_status.c
+++ b/test/core/end2end/tests/cancel_with_status.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/compressed_payload.c b/test/core/end2end/tests/compressed_payload.c
index 1724da4..f598a38 100644
--- a/test/core/end2end/tests/compressed_payload.c
+++ b/test/core/end2end/tests/compressed_payload.c
@@ -60,7 +60,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/connectivity.c b/test/core/end2end/tests/connectivity.c
index 260297e..4a99165 100644
--- a/test/core/end2end/tests/connectivity.c
+++ b/test/core/end2end/tests/connectivity.c
@@ -68,7 +68,7 @@
   gpr_thd_options thdopt = gpr_thd_options_default();
   gpr_thd_id thdid;
 
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
 
   ce.channel = f.client;
   ce.cq = f.cq;
diff --git a/test/core/end2end/tests/default_host.c b/test/core/end2end/tests/default_host.c
index 208e316..5b32b50 100644
--- a/test/core/end2end/tests/default_host.c
+++ b/test/core/end2end/tests/default_host.c
@@ -54,7 +54,7 @@
   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_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   config.init_server(&f, server_args);
   return f;
 }
diff --git a/test/core/end2end/tests/disappearing_server.c b/test/core/end2end/tests/disappearing_server.c
index a0059b9..d8d76f8 100644
--- a/test/core/end2end/tests/disappearing_server.c
+++ b/test/core/end2end/tests/disappearing_server.c
@@ -193,7 +193,7 @@
 
   gpr_log(GPR_INFO, "%s/%s", "disappearing_server_test", config.name);
 
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
   config.init_server(&f, NULL);
 
   do_request_and_shutdown_server(&f, cqv);
diff --git a/test/core/end2end/tests/empty_batch.c b/test/core/end2end/tests/empty_batch.c
index ac53e18..bc27b1a 100644
--- a/test/core/end2end/tests/empty_batch.c
+++ b/test/core/end2end/tests/empty_batch.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/filter_call_init_fails.c b/test/core/end2end/tests/filter_call_init_fails.c
index a70f50a..0e5692f 100644
--- a/test/core/end2end/tests/filter_call_init_fails.c
+++ b/test/core/end2end/tests/filter_call_init_fails.c
@@ -61,7 +61,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/filter_causes_close.c b/test/core/end2end/tests/filter_causes_close.c
index f14bb32..d5eddc7 100644
--- a/test/core/end2end/tests/filter_causes_close.c
+++ b/test/core/end2end/tests/filter_causes_close.c
@@ -58,7 +58,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/graceful_server_shutdown.c b/test/core/end2end/tests/graceful_server_shutdown.c
index 29347a0..e098a63 100644
--- a/test/core/end2end/tests/graceful_server_shutdown.c
+++ b/test/core/end2end/tests/graceful_server_shutdown.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/high_initial_seqno.c b/test/core/end2end/tests/high_initial_seqno.c
index dab5270..193706b 100644
--- a/test/core/end2end/tests/high_initial_seqno.c
+++ b/test/core/end2end/tests/high_initial_seqno.c
@@ -57,7 +57,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/hpack_size.c b/test/core/end2end/tests/hpack_size.c
index fb00ae4..78afdb5 100644
--- a/test/core/end2end/tests/hpack_size.c
+++ b/test/core/end2end/tests/hpack_size.c
@@ -197,7 +197,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/idempotent_request.c b/test/core/end2end/tests/idempotent_request.c
index 65f6dd0..b53e003 100644
--- a/test/core/end2end/tests/idempotent_request.c
+++ b/test/core/end2end/tests/idempotent_request.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/invoke_large_request.c b/test/core/end2end/tests/invoke_large_request.c
index 1df237c..3820504 100644
--- a/test/core/end2end/tests/invoke_large_request.c
+++ b/test/core/end2end/tests/invoke_large_request.c
@@ -54,7 +54,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/large_metadata.c b/test/core/end2end/tests/large_metadata.c
index eb174a2..6107836 100644
--- a/test/core/end2end/tests/large_metadata.c
+++ b/test/core/end2end/tests/large_metadata.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/load_reporting_hook.c b/test/core/end2end/tests/load_reporting_hook.c
index 7f95dfd..0915730 100644
--- a/test/core/end2end/tests/load_reporting_hook.c
+++ b/test/core/end2end/tests/load_reporting_hook.c
@@ -78,7 +78,7 @@
 
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
 
   return f;
 }
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
index 65fa946..6c7bf9f 100644
--- a/test/core/end2end/tests/max_concurrent_streams.c
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index d27cced..e698987 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c
@@ -48,7 +48,8 @@
 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_channel_args *server_args,
+                                            const char *query_args) {
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   // We intentionally do not pass the client and server args to
@@ -56,7 +57,7 @@
   // proxy, only on the backend server.
   f = config.create_fixture(NULL, NULL);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, query_args);
   return f;
 }
 
@@ -102,8 +103,10 @@
 // If send_limit is true, applies send limit on client; otherwise, applies
 // recv limit on server.
 static void test_max_message_length_on_request(grpc_end2end_test_config config,
-                                               bool send_limit) {
-  gpr_log(GPR_INFO, "testing request with send_limit=%d", send_limit);
+                                               bool send_limit,
+                                               bool use_service_config) {
+  gpr_log(GPR_INFO, "testing request with send_limit=%d use_service_config=%d",
+          send_limit, use_service_config);
 
   grpc_end2end_test_fixture f;
   grpc_arg channel_arg;
@@ -127,21 +130,36 @@
   size_t details_capacity = 0;
   int was_cancelled = 2;
 
-  channel_arg.key = send_limit ? GRPC_ARG_MAX_SEND_MESSAGE_LENGTH
-                               : GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH;
-  channel_arg.type = GRPC_ARG_INTEGER;
-  channel_arg.value.integer = 5;
+  char *query_args = NULL;
+  grpc_channel_args *client_args = NULL;
+  grpc_channel_args *server_args = NULL;
+  if (use_service_config) {
+    // We don't currently support service configs on the server side.
+    GPR_ASSERT(send_limit);
+    query_args =
+        "method_name=/service/method"
+        "&max_request_message_bytes=5";
+  } else {
+    // Set limit via channel args.
+    channel_arg.key = send_limit ? GRPC_ARG_MAX_SEND_MESSAGE_LENGTH
+                                 : GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH;
+    channel_arg.type = GRPC_ARG_INTEGER;
+    channel_arg.value.integer = 5;
+    channel_args.num_args = 1;
+    channel_args.args = &channel_arg;
+    if (send_limit) {
+      client_args = &channel_args;
+    } else {
+      server_args = &channel_args;
+    }
+  }
 
-  channel_args.num_args = 1;
-  channel_args.args = &channel_arg;
-
-  f = begin_test(config, "test_max_message_length",
-                 send_limit ? &channel_args : NULL,
-                 send_limit ? NULL : &channel_args);
+  f = begin_test(config, "test_max_request_message_length", client_args,
+                 server_args, query_args);
   cqv = cq_verifier_create(f.cq);
 
   c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
-                               "/foo", "foo.test.google.fr:1234",
+                               "/service/method", "foo.test.google.fr:1234",
                                gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
   GPR_ASSERT(c);
 
@@ -214,7 +232,7 @@
   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
   cq_verify(cqv);
 
-  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/service/method"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
   GPR_ASSERT(was_cancelled == 1);
 
@@ -246,8 +264,10 @@
 // If send_limit is true, applies send limit on server; otherwise, applies
 // recv limit on client.
 static void test_max_message_length_on_response(grpc_end2end_test_config config,
-                                                bool send_limit) {
-  gpr_log(GPR_INFO, "testing response with send_limit=%d", send_limit);
+                                                bool send_limit,
+                                                bool use_service_config) {
+  gpr_log(GPR_INFO, "testing response with send_limit=%d use_service_config=%d",
+          send_limit, use_service_config);
 
   grpc_end2end_test_fixture f;
   grpc_arg channel_arg;
@@ -272,21 +292,36 @@
   size_t details_capacity = 0;
   int was_cancelled = 2;
 
-  channel_arg.key = send_limit ? GRPC_ARG_MAX_SEND_MESSAGE_LENGTH
-                               : GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH;
-  channel_arg.type = GRPC_ARG_INTEGER;
-  channel_arg.value.integer = 5;
+  char *query_args = NULL;
+  grpc_channel_args *client_args = NULL;
+  grpc_channel_args *server_args = NULL;
+  if (use_service_config) {
+    // We don't currently support service configs on the server side.
+    GPR_ASSERT(!send_limit);
+    query_args =
+        "method_name=/service/method"
+        "&max_response_message_bytes=5";
+  } else {
+    // Set limit via channel args.
+    channel_arg.key = send_limit ? GRPC_ARG_MAX_SEND_MESSAGE_LENGTH
+                                 : GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH;
+    channel_arg.type = GRPC_ARG_INTEGER;
+    channel_arg.value.integer = 5;
+    channel_args.num_args = 1;
+    channel_args.args = &channel_arg;
+    if (send_limit) {
+      server_args = &channel_args;
+    } else {
+      client_args = &channel_args;
+    }
+  }
 
-  channel_args.num_args = 1;
-  channel_args.args = &channel_arg;
-
-  f = begin_test(config, "test_max_message_length",
-                 send_limit ? NULL : &channel_args,
-                 send_limit ? &channel_args : NULL);
+  f = begin_test(config, "test_max_response_message_length", client_args,
+                 server_args, query_args);
   cqv = cq_verifier_create(f.cq);
 
   c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
-                               "/foo", "foo.test.google.fr:1234",
+                               "/service/method", "foo.test.google.fr:1234",
                                gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
   GPR_ASSERT(c);
 
@@ -365,7 +400,7 @@
   CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
   cq_verify(cqv);
 
-  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/service/method"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
   GPR_ASSERT(was_cancelled == 0);
 
@@ -393,10 +428,20 @@
 }
 
 void max_message_length(grpc_end2end_test_config config) {
-  test_max_message_length_on_request(config, false /* send_limit */);
-  test_max_message_length_on_request(config, true /* send_limit */);
-  test_max_message_length_on_response(config, false /* send_limit */);
-  test_max_message_length_on_response(config, true /* send_limit */);
+  test_max_message_length_on_request(config, false /* send_limit */,
+                                     false /* use_service_config */);
+  test_max_message_length_on_request(config, true /* send_limit */,
+                                     false /* use_service_config */);
+  test_max_message_length_on_response(config, false /* send_limit */,
+                                      false /* use_service_config */);
+  test_max_message_length_on_response(config, true /* send_limit */,
+                                      false /* use_service_config */);
+  if (config.feature_mask & FEATURE_MASK_SUPPORTS_QUERY_ARGS) {
+    test_max_message_length_on_request(config, true /* send_limit */,
+                                       true /* use_service_config */);
+    test_max_message_length_on_response(config, false /* send_limit */,
+                                        true /* use_service_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 c999ac1..12c6a0f 100644
--- a/test/core/end2end/tests/negative_deadline.c
+++ b/test/core/end2end/tests/negative_deadline.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/network_status_change.c b/test/core/end2end/tests/network_status_change.c
index 1d4b6db..8d6b8f8 100644
--- a/test/core/end2end/tests/network_status_change.c
+++ b/test/core/end2end/tests/network_status_change.c
@@ -56,7 +56,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/no_logging.c b/test/core/end2end/tests/no_logging.c
index 1d3cfda..8f9ef78 100644
--- a/test/core/end2end/tests/no_logging.c
+++ b/test/core/end2end/tests/no_logging.c
@@ -83,7 +83,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/no_op.c b/test/core/end2end/tests/no_op.c
index 8b29c21..a1c61cb 100644
--- a/test/core/end2end/tests/no_op.c
+++ b/test/core/end2end/tests/no_op.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/payload.c b/test/core/end2end/tests/payload.c
index 40696d0..8353ea3 100644
--- a/test/core/end2end/tests/payload.c
+++ b/test/core/end2end/tests/payload.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/ping.c b/test/core/end2end/tests/ping.c
index 5e5169d..f7e119c 100644
--- a/test/core/end2end/tests/ping.c
+++ b/test/core/end2end/tests/ping.c
@@ -48,7 +48,7 @@
   grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
   int i;
 
-  config.init_client(&f, NULL);
+  config.init_client(&f, NULL, NULL);
   config.init_server(&f, NULL);
 
   grpc_channel_ping(f.client, f.cq, tag(0), NULL);
diff --git a/test/core/end2end/tests/ping_pong_streaming.c b/test/core/end2end/tests/ping_pong_streaming.c
index 7e360c4..30ea800 100644
--- a/test/core/end2end/tests/ping_pong_streaming.c
+++ b/test/core/end2end/tests/ping_pong_streaming.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index 9b2b42b..4c094e1 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index 25150e6..69ad69a 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c
@@ -54,7 +54,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/request_with_payload.c b/test/core/end2end/tests/request_with_payload.c
index 67208c0..56ff83c 100644
--- a/test/core/end2end/tests/request_with_payload.c
+++ b/test/core/end2end/tests/request_with_payload.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/server_finishes_request.c b/test/core/end2end/tests/server_finishes_request.c
index 7fb9025..c23b758 100644
--- a/test/core/end2end/tests/server_finishes_request.c
+++ b/test/core/end2end/tests/server_finishes_request.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/shutdown_finishes_calls.c b/test/core/end2end/tests/shutdown_finishes_calls.c
index dff2e6f..a21a63a 100644
--- a/test/core/end2end/tests/shutdown_finishes_calls.c
+++ b/test/core/end2end/tests/shutdown_finishes_calls.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/shutdown_finishes_tags.c b/test/core/end2end/tests/shutdown_finishes_tags.c
index 1d110a7..aca7c55 100644
--- a/test/core/end2end/tests/shutdown_finishes_tags.c
+++ b/test/core/end2end/tests/shutdown_finishes_tags.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/simple_cacheable_request.c b/test/core/end2end/tests/simple_cacheable_request.c
index b52eb19..29ba41b 100644
--- a/test/core/end2end/tests/simple_cacheable_request.c
+++ b/test/core/end2end/tests/simple_cacheable_request.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/simple_delayed_request.c b/test/core/end2end/tests/simple_delayed_request.c
index 50d1975..9d7d3a6 100644
--- a/test/core/end2end/tests/simple_delayed_request.c
+++ b/test/core/end2end/tests/simple_delayed_request.c
@@ -104,7 +104,7 @@
   size_t details_capacity = 0;
   int was_cancelled = 2;
 
-  config.init_client(f, client_args);
+  config.init_client(f, client_args, NULL);
 
   c = grpc_channel_create_call(f->client, NULL, GRPC_PROPAGATE_DEFAULTS, f->cq,
                                "/foo", "foo.test.google.fr", deadline, NULL);
diff --git a/test/core/end2end/tests/simple_metadata.c b/test/core/end2end/tests/simple_metadata.c
index 13c77c0..304af9c 100644
--- a/test/core/end2end/tests/simple_metadata.c
+++ b/test/core/end2end/tests/simple_metadata.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/simple_request.c b/test/core/end2end/tests/simple_request.c
index ed7b850..65a3710 100644
--- a/test/core/end2end/tests/simple_request.c
+++ b/test/core/end2end/tests/simple_request.c
@@ -55,7 +55,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/streaming_error_response.c b/test/core/end2end/tests/streaming_error_response.c
index 8285468..fe63c6f 100644
--- a/test/core/end2end/tests/streaming_error_response.c
+++ b/test/core/end2end/tests/streaming_error_response.c
@@ -55,7 +55,7 @@
           request_status_early ? "true" : "false");
   f = config.create_fixture(client_args, server_args);
   config.init_server(&f, server_args);
-  config.init_client(&f, client_args);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/end2end/tests/trailing_metadata.c b/test/core/end2end/tests/trailing_metadata.c
index d7093ae..e6bfc7c 100644
--- a/test/core/end2end/tests/trailing_metadata.c
+++ b/test/core/end2end/tests/trailing_metadata.c
@@ -53,7 +53,7 @@
   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);
+  config.init_client(&f, client_args, NULL);
   return f;
 }
 
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index 6b1dd42..5791f56 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -118,8 +118,11 @@
   grpc_endpoint_shutdown(exec_ctx, tcp);
   grpc_endpoint_destroy(exec_ctx, tcp);
 
+  on_connect_result temp_result;
+  on_connect_result_set(&temp_result, acceptor);
+
   gpr_mu_lock(g_mu);
-  on_connect_result_set(&g_result, acceptor);
+  g_result = temp_result;
   g_nconnects++;
   GPR_ASSERT(
       GRPC_LOG_IF_ERROR("pollset_kick", grpc_pollset_kick(g_pollset, NULL)));
diff --git a/test/core/surface/channel_create_test.c b/test/core/surface/channel_create_test.c
index 580eb30..ad7970a 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/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/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 f8a9a64..444ebdc 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/ext/client_config/resolver_registry.h"
+#include "src/core/ext/client_channel/resolver_registry.h"
 #include "src/core/lib/security/credentials/fake/fake_credentials.h"
 #include "src/core/lib/security/transport/security_connector.h"
 #include "src/core/lib/surface/channel.h"
diff --git a/test/cpp/codegen/compiler_test_golden b/test/cpp/codegen/compiler_test_golden
index 7b0fd6c..5f0e824 100644
--- a/test/cpp/codegen/compiler_test_golden
+++ b/test/cpp/codegen/compiler_test_golden
@@ -213,7 +213,7 @@
     void BaseClassMustBeDerivedFromService(const Service *service) {}
    public:
     WithStreamedUnaryMethod_MethodA1() {
-      ::grpc::Service::MarkMethodStreamedUnary(0,
+      ::grpc::Service::MarkMethodStreamed(0,
         new ::grpc::StreamedUnaryHandler< ::grpc::testing::Request, ::grpc::testing::Response>(std::bind(&WithStreamedUnaryMethod_MethodA1<BaseClass>::StreamedMethodA1, this, std::placeholders::_1, std::placeholders::_2)));
     }
     ~WithStreamedUnaryMethod_MethodA1() GRPC_OVERRIDE {
@@ -228,6 +228,8 @@
     virtual ::grpc::Status StreamedMethodA1(::grpc::ServerContext* context, ::grpc::ServerUnaryStreamer< ::grpc::testing::Request,::grpc::testing::Response>* server_unary_streamer) = 0;
   };
   typedef WithStreamedUnaryMethod_MethodA1<Service > StreamedUnaryService;
+  typedef Service SplitStreamedService;
+  typedef WithStreamedUnaryMethod_MethodA1<Service > StreamedService;
 };
 
 // ServiceB leading comment 1
@@ -312,7 +314,7 @@
     void BaseClassMustBeDerivedFromService(const Service *service) {}
    public:
     WithStreamedUnaryMethod_MethodB1() {
-      ::grpc::Service::MarkMethodStreamedUnary(0,
+      ::grpc::Service::MarkMethodStreamed(0,
         new ::grpc::StreamedUnaryHandler< ::grpc::testing::Request, ::grpc::testing::Response>(std::bind(&WithStreamedUnaryMethod_MethodB1<BaseClass>::StreamedMethodB1, this, std::placeholders::_1, std::placeholders::_2)));
     }
     ~WithStreamedUnaryMethod_MethodB1() GRPC_OVERRIDE {
@@ -327,6 +329,8 @@
     virtual ::grpc::Status StreamedMethodB1(::grpc::ServerContext* context, ::grpc::ServerUnaryStreamer< ::grpc::testing::Request,::grpc::testing::Response>* server_unary_streamer) = 0;
   };
   typedef WithStreamedUnaryMethod_MethodB1<Service > StreamedUnaryService;
+  typedef Service SplitStreamedService;
+  typedef WithStreamedUnaryMethod_MethodB1<Service > StreamedService;
 };
 // ServiceB trailing comment 1
 
diff --git a/test/cpp/end2end/hybrid_end2end_test.cc b/test/cpp/end2end/hybrid_end2end_test.cc
index 8cd2e66..76a5732 100644
--- a/test/cpp/end2end/hybrid_end2end_test.cc
+++ b/test/cpp/end2end/hybrid_end2end_test.cc
@@ -320,6 +320,29 @@
     EXPECT_TRUE(s.ok());
   }
 
+  void SendSimpleServerStreamingToDupService() {
+    std::shared_ptr<Channel> channel =
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
+    auto stub = grpc::testing::duplicate::EchoTestService::NewStub(channel);
+    EchoRequest request;
+    EchoResponse response;
+    ClientContext context;
+    context.set_wait_for_ready(true);
+    request.set_message("hello");
+
+    auto stream = stub->ResponseStream(&context, request);
+    EXPECT_TRUE(stream->Read(&response));
+    EXPECT_EQ(response.message(), request.message() + "0_dup");
+    EXPECT_TRUE(stream->Read(&response));
+    EXPECT_EQ(response.message(), request.message() + "1_dup");
+    EXPECT_TRUE(stream->Read(&response));
+    EXPECT_EQ(response.message(), request.message() + "2_dup");
+    EXPECT_FALSE(stream->Read(&response));
+
+    Status s = stream->Finish();
+    EXPECT_TRUE(s.ok());
+  }
+
   void SendBidiStreaming() {
     EchoRequest request;
     EchoResponse response;
@@ -498,6 +521,140 @@
   request_stream_handler_thread.join();
 }
 
+// Add a second service with one sync split server streaming method.
+class SplitResponseStreamDupPkg
+    : public duplicate::EchoTestService::
+          WithSplitStreamingMethod_ResponseStream<TestServiceImplDupPkg> {
+ public:
+  Status StreamedResponseStream(
+      ServerContext* context,
+      ServerSplitStreamer<EchoRequest, EchoResponse>* stream) GRPC_OVERRIDE {
+    EchoRequest req;
+    EchoResponse resp;
+    uint32_t next_msg_sz;
+    stream->NextMessageSize(&next_msg_sz);
+    gpr_log(GPR_INFO, "Split Streamed Next Message Size is %u", next_msg_sz);
+    GPR_ASSERT(stream->Read(&req));
+    for (int i = 0; i < kNumResponseStreamsMsgs; i++) {
+      resp.set_message(req.message() + grpc::to_string(i) + "_dup");
+      GPR_ASSERT(stream->Write(resp));
+    }
+    return Status::OK;
+  }
+};
+
+TEST_F(HybridEnd2endTest,
+       AsyncRequestStreamResponseStream_SyncSplitStreamedDupService) {
+  typedef EchoTestService::WithAsyncMethod_RequestStream<
+      EchoTestService::WithAsyncMethod_ResponseStream<TestServiceImpl>>
+      SType;
+  SType service;
+  SplitResponseStreamDupPkg dup_service;
+  SetUpServer(&service, &dup_service, nullptr, 8192);
+  ResetStub();
+  std::thread response_stream_handler_thread(HandleServerStreaming<SType>,
+                                             &service, cqs_[0].get());
+  std::thread request_stream_handler_thread(HandleClientStreaming<SType>,
+                                            &service, cqs_[1].get());
+  TestAllMethods();
+  SendSimpleServerStreamingToDupService();
+  response_stream_handler_thread.join();
+  request_stream_handler_thread.join();
+}
+
+// Add a second service that is fully split server streamed
+class FullySplitStreamedDupPkg
+    : public duplicate::EchoTestService::SplitStreamedService {
+ public:
+  Status StreamedResponseStream(
+      ServerContext* context,
+      ServerSplitStreamer<EchoRequest, EchoResponse>* stream) GRPC_OVERRIDE {
+    EchoRequest req;
+    EchoResponse resp;
+    uint32_t next_msg_sz;
+    stream->NextMessageSize(&next_msg_sz);
+    gpr_log(GPR_INFO, "Split Streamed Next Message Size is %u", next_msg_sz);
+    GPR_ASSERT(stream->Read(&req));
+    for (int i = 0; i < kNumResponseStreamsMsgs; i++) {
+      resp.set_message(req.message() + grpc::to_string(i) + "_dup");
+      GPR_ASSERT(stream->Write(resp));
+    }
+    return Status::OK;
+  }
+};
+
+TEST_F(HybridEnd2endTest,
+       AsyncRequestStreamResponseStream_FullySplitStreamedDupService) {
+  typedef EchoTestService::WithAsyncMethod_RequestStream<
+      EchoTestService::WithAsyncMethod_ResponseStream<TestServiceImpl>>
+      SType;
+  SType service;
+  FullySplitStreamedDupPkg dup_service;
+  SetUpServer(&service, &dup_service, nullptr, 8192);
+  ResetStub();
+  std::thread response_stream_handler_thread(HandleServerStreaming<SType>,
+                                             &service, cqs_[0].get());
+  std::thread request_stream_handler_thread(HandleClientStreaming<SType>,
+                                            &service, cqs_[1].get());
+  TestAllMethods();
+  SendSimpleServerStreamingToDupService();
+  response_stream_handler_thread.join();
+  request_stream_handler_thread.join();
+}
+
+// Add a second service that is fully server streamed
+class FullyStreamedDupPkg : public duplicate::EchoTestService::StreamedService {
+ public:
+  Status StreamedEcho(ServerContext* context,
+                      ServerUnaryStreamer<EchoRequest, EchoResponse>* stream)
+      GRPC_OVERRIDE {
+    EchoRequest req;
+    EchoResponse resp;
+    uint32_t next_msg_sz;
+    stream->NextMessageSize(&next_msg_sz);
+    gpr_log(GPR_INFO, "Streamed Unary Next Message Size is %u", next_msg_sz);
+    GPR_ASSERT(stream->Read(&req));
+    resp.set_message(req.message() + "_dup");
+    GPR_ASSERT(stream->Write(resp));
+    return Status::OK;
+  }
+  Status StreamedResponseStream(
+      ServerContext* context,
+      ServerSplitStreamer<EchoRequest, EchoResponse>* stream) GRPC_OVERRIDE {
+    EchoRequest req;
+    EchoResponse resp;
+    uint32_t next_msg_sz;
+    stream->NextMessageSize(&next_msg_sz);
+    gpr_log(GPR_INFO, "Split Streamed Next Message Size is %u", next_msg_sz);
+    GPR_ASSERT(stream->Read(&req));
+    for (int i = 0; i < kNumResponseStreamsMsgs; i++) {
+      resp.set_message(req.message() + grpc::to_string(i) + "_dup");
+      GPR_ASSERT(stream->Write(resp));
+    }
+    return Status::OK;
+  }
+};
+
+TEST_F(HybridEnd2endTest,
+       AsyncRequestStreamResponseStream_FullyStreamedDupService) {
+  typedef EchoTestService::WithAsyncMethod_RequestStream<
+      EchoTestService::WithAsyncMethod_ResponseStream<TestServiceImpl>>
+      SType;
+  SType service;
+  FullyStreamedDupPkg dup_service;
+  SetUpServer(&service, &dup_service, nullptr, 8192);
+  ResetStub();
+  std::thread response_stream_handler_thread(HandleServerStreaming<SType>,
+                                             &service, cqs_[0].get());
+  std::thread request_stream_handler_thread(HandleClientStreaming<SType>,
+                                            &service, cqs_[1].get());
+  TestAllMethods();
+  SendEchoToDupService();
+  SendSimpleServerStreamingToDupService();
+  response_stream_handler_thread.join();
+  request_stream_handler_thread.join();
+}
+
 // Add a second service with one async method.
 TEST_F(HybridEnd2endTest, AsyncRequestStreamResponseStream_AsyncDupService) {
   typedef EchoTestService::WithAsyncMethod_RequestStream<
diff --git a/test/cpp/grpclb/grpclb_test.cc b/test/cpp/grpclb/grpclb_test.cc
index 80f2fa4..b6056f9 100644
--- a/test/cpp/grpclb/grpclb_test.cc
+++ b/test/cpp/grpclb/grpclb_test.cc
@@ -51,7 +51,7 @@
 
 #include <grpc++/impl/codegen/config.h>
 extern "C" {
-#include "src/core/ext/client_config/client_channel.h"
+#include "src/core/ext/client_channel/client_channel.h"
 #include "src/core/lib/channel/channel_stack.h"
 #include "src/core/lib/iomgr/sockaddr.h"
 #include "src/core/lib/support/string.h"
diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index 245e27b..4197ba8 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -80,7 +80,7 @@
               "slow client consumer;\n"
               "status_code_and_message: verify status code & message;\n"
               "timeout_on_sleeping_server: deadline exceeds on stream;\n"
-              "unimplemented_method: client calls an unimplemented_method;\n");
+              "unimplemented_method: client calls an unimplemented method;\n");
 DEFINE_string(default_service_account, "",
               "Email of GCE default service account");
 DEFINE_string(service_account_key_file, "",
diff --git a/test/cpp/interop/interop_client.cc b/test/cpp/interop/interop_client.cc
index f95d8c6..1668589 100644
--- a/test/cpp/interop/interop_client.cc
+++ b/test/cpp/interop/interop_client.cc
@@ -1010,7 +1010,7 @@
   ClientContext context;
 
   Status s =
-      serviceStub_.Get()->UnimplementedMethod(&context, request, &response);
+      serviceStub_.Get()->UnimplementedCall(&context, request, &response);
 
   if (!AssertStatusCode(s, StatusCode::UNIMPLEMENTED)) {
     return false;
diff --git a/test/cpp/interop/interop_test.cc b/test/cpp/interop/interop_test.cc
index 8e71a2b..c066598 100644
--- a/test/cpp/interop/interop_test.cc
+++ b/test/cpp/interop/interop_test.cc
@@ -44,17 +44,21 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
+#include <gflags/gflags.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/host_port.h>
 #include <grpc/support/log.h>
 #include <grpc/support/string_util.h>
 #include "test/core/util/port.h"
+#include "test/cpp/util/test_config.h"
 
 extern "C" {
 #include "src/core/lib/iomgr/socket_utils_posix.h"
 #include "src/core/lib/support/string.h"
 }
 
+DEFINE_string(extra_server_flags, "", "Extra flags to pass to server.");
+
 int test_client(const char* root, const char* host, int port) {
   int status;
   pid_t cli;
@@ -80,6 +84,7 @@
 }
 
 int main(int argc, char** argv) {
+  grpc::testing::InitTest(&argc, &argv, true);
   char* me = argv[0];
   char* lslash = strrchr(me, '/');
   char root[1024];
@@ -105,15 +110,19 @@
   /* start the server */
   svr = fork();
   if (svr == 0) {
-    char* binary_path;
-    char* port_arg;
-    gpr_asprintf(&binary_path, "%s/interop_server", root);
-    gpr_asprintf(&port_arg, "--port=%d", port);
-
-    execl(binary_path, binary_path, port_arg, NULL);
-
-    gpr_free(binary_path);
-    gpr_free(port_arg);
+    const size_t num_args = 3 + !FLAGS_extra_server_flags.empty();
+    char** args = (char**)gpr_malloc(sizeof(char*) * num_args);
+    memset(args, 0, sizeof(char*) * num_args);
+    gpr_asprintf(&args[0], "%s/interop_server", root);
+    gpr_asprintf(&args[1], "--port=%d", port);
+    if (!FLAGS_extra_server_flags.empty()) {
+      args[2] = gpr_strdup(FLAGS_extra_server_flags.c_str());
+    }
+    execv(args[0], args);
+    for (size_t i = 0; i < num_args - 1; ++i) {
+      gpr_free(args[i]);
+    }
+    gpr_free(args);
     return 1;
   }
   /* wait a little */
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index 73a96a8..2fcc648 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -57,7 +57,7 @@
 
 template <class RequestType, class ResponseType, class ServiceType,
           class ServerContextType>
-class AsyncQpsServerTest : public Server {
+class AsyncQpsServerTest GRPC_FINAL : public grpc::testing::Server {
  public:
   AsyncQpsServerTest(
       const ServerConfig &config,
diff --git a/test/cpp/qps/server_sync.cc b/test/cpp/qps/server_sync.cc
index c774985..0caed0a 100644
--- a/test/cpp/qps/server_sync.cc
+++ b/test/cpp/qps/server_sync.cc
@@ -31,8 +31,6 @@
  *
  */
 
-#include <thread>
-
 #include <grpc++/security/server_credentials.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
diff --git a/tools/codegen/core/gen_static_metadata.py b/tools/codegen/core/gen_static_metadata.py
index 6f8cad2..cf3762d 100755
--- a/tools/codegen/core/gen_static_metadata.py
+++ b/tools/codegen/core/gen_static_metadata.py
@@ -110,7 +110,7 @@
     ('if-unmodified-since', ''),
     ('last-modified', ''),
     ('lb-token', ''),
-    ('lb-cost', ''),
+    ('lb-cost-bin', ''),
     ('link', ''),
     ('location', ''),
     ('max-forwards', ''),
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 3848675..89d8e70 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -863,6 +863,7 @@
 src/core/lib/surface/server.h \
 src/core/lib/transport/byte_stream.h \
 src/core/lib/transport/connectivity_state.h \
+src/core/lib/transport/mdstr_hash_table.h \
 src/core/lib/transport/metadata.h \
 src/core/lib/transport/metadata_batch.h \
 src/core/lib/transport/static_metadata.h \
@@ -914,22 +915,23 @@
 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/connector.h \
-src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h \
-src/core/ext/client_config/subchannel.h \
-src/core/ext/client_config/subchannel_index.h \
-src/core/ext/client_config/uri_parser.h \
+src/core/ext/client_channel/client_channel.h \
+src/core/ext/client_channel/client_channel_factory.h \
+src/core/ext/client_channel/connector.h \
+src/core/ext/client_channel/http_connect_handshaker.h \
+src/core/ext/client_channel/initial_connect_string.h \
+src/core/ext/client_channel/lb_policy.h \
+src/core/ext/client_channel/lb_policy_factory.h \
+src/core/ext/client_channel/lb_policy_registry.h \
+src/core/ext/client_channel/method_config.h \
+src/core/ext/client_channel/parse_address.h \
+src/core/ext/client_channel/resolver.h \
+src/core/ext/client_channel/resolver_factory.h \
+src/core/ext/client_channel/resolver_registry.h \
+src/core/ext/client_channel/resolver_result.h \
+src/core/ext/client_channel/subchannel.h \
+src/core/ext/client_channel/subchannel_index.h \
+src/core/ext/client_channel/uri_parser.h \
 src/core/ext/lb_policy/grpclb/grpclb.h \
 src/core/ext/lb_policy/grpclb/load_balancer_api.h \
 src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h \
@@ -1037,6 +1039,7 @@
 src/core/lib/surface/version.c \
 src/core/lib/transport/byte_stream.c \
 src/core/lib/transport/connectivity_state.c \
+src/core/lib/transport/mdstr_hash_table.c \
 src/core/lib/transport/metadata.c \
 src/core/lib/transport/metadata_batch.c \
 src/core/lib/transport/static_metadata.c \
@@ -1095,25 +1098,26 @@
 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_plugin.c \
-src/core/ext/client_config/connector.c \
-src/core/ext/client_config/default_initial_connect_string.c \
-src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.c \
-src/core/ext/client_config/subchannel.c \
-src/core/ext/client_config/subchannel_index.c \
-src/core/ext/client_config/uri_parser.c \
+src/core/ext/client_channel/channel_connectivity.c \
+src/core/ext/client_channel/client_channel.c \
+src/core/ext/client_channel/client_channel_factory.c \
+src/core/ext/client_channel/client_channel_plugin.c \
+src/core/ext/client_channel/connector.c \
+src/core/ext/client_channel/default_initial_connect_string.c \
+src/core/ext/client_channel/http_connect_handshaker.c \
+src/core/ext/client_channel/initial_connect_string.c \
+src/core/ext/client_channel/lb_policy.c \
+src/core/ext/client_channel/lb_policy_factory.c \
+src/core/ext/client_channel/lb_policy_registry.c \
+src/core/ext/client_channel/method_config.c \
+src/core/ext/client_channel/parse_address.c \
+src/core/ext/client_channel/resolver.c \
+src/core/ext/client_channel/resolver_factory.c \
+src/core/ext/client_channel/resolver_registry.c \
+src/core/ext/client_channel/resolver_result.c \
+src/core/ext/client_channel/subchannel.c \
+src/core/ext/client_channel/subchannel_index.c \
+src/core/ext/client_channel/uri_parser.c \
 src/core/ext/transport/chttp2/server/insecure/server_chttp2.c \
 src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c \
 src/core/ext/transport/chttp2/client/insecure/channel_create.c \
diff --git a/tools/fuzzer/runners/uri_fuzzer_test.sh b/tools/fuzzer/runners/uri_fuzzer_test.sh
index 84d63bf..316f6c2 100644
--- a/tools/fuzzer/runners/uri_fuzzer_test.sh
+++ b/tools/fuzzer/runners/uri_fuzzer_test.sh
@@ -42,4 +42,4 @@
   flags="-use_traces=1 $flags"
 fi
 
-bins/$config/uri_fuzzer_test $flags fuzzer_output test/core/client_config/uri_corpus
+bins/$config/uri_fuzzer_test $flags fuzzer_output test/core/client_channel/uri_corpus
diff --git a/tools/run_tests/filter_pull_request_tests.py b/tools/run_tests/filter_pull_request_tests.py
index 55dab42..e2027a2 100644
--- a/tools/run_tests/filter_pull_request_tests.py
+++ b/tools/run_tests/filter_pull_request_tests.py
@@ -36,18 +36,16 @@
 
 class TestSuite:
   """
-  Contains tag to identify job as belonging to this test suite and
+  Contains label to identify job as belonging to this test suite and
   triggers to identify if changed files are relevant
   """
-  def __init__(self, tags):
+  def __init__(self, labels):
     """
-    Build TestSuite to group tests by their tags
-    :param tag: string used to identify if a job belongs to this TestSuite
-    todo(mattkwong): Change the use of tag because do not want to depend on
-    job.shortname to identify what suite a test belongs to
+    Build TestSuite to group tests based on labeling
+    :param label: strings that should match a jobs's platform, config, language, or test group
     """
     self.triggers = []
-    self.tags = tags
+    self.labels = labels
 
   def add_trigger(self, trigger):
     """
@@ -56,46 +54,75 @@
     """
     self.triggers.append(trigger)
 
+
 # Create test suites
-_core_test_suite = TestSuite(['_c_'])
-_cpp_test_suite = TestSuite(['_c++_'])
-_csharp_test_suite = TestSuite(['_csharp_'])
-_node_test_suite = TestSuite(['_node_'])
-_objc_test_suite = TestSuite(['_objc_'])
-_php_test_suite = TestSuite(['_php_', '_php7_'])
-_python_test_suite = TestSuite(['_python_'])
-_ruby_test_suite = TestSuite(['_ruby'])
-_all_test_suites = [_core_test_suite, _cpp_test_suite, _csharp_test_suite,
-                    _node_test_suite, _objc_test_suite, _php_test_suite,
-                    _python_test_suite, _ruby_test_suite]
+_SANITY_TEST_SUITE = TestSuite(['sanity'])
+_CORE_TEST_SUITE = TestSuite(['c'])
+_CPP_TEST_SUITE = TestSuite(['c++'])
+_CSHARP_TEST_SUITE = TestSuite(['csharp'])
+_NODE_TEST_SUITE = TestSuite(['node'])
+_OBJC_TEST_SUITE = TestSuite(['objc'])
+_PHP_TEST_SUITE = TestSuite(['php', 'php7'])
+_PYTHON_TEST_SUITE = TestSuite(['python'])
+_RUBY_TEST_SUITE = TestSuite(['ruby'])
+_LINUX_TEST_SUITE = TestSuite(['linux'])
+_WINDOWS_TEST_SUITE = TestSuite(['windows'])
+_MACOS_TEST_SUITE = TestSuite(['macos'])
+_ALL_TEST_SUITES = [_SANITY_TEST_SUITE, _CORE_TEST_SUITE, _CPP_TEST_SUITE,
+                    _CSHARP_TEST_SUITE, _NODE_TEST_SUITE, _OBJC_TEST_SUITE,
+                    _PHP_TEST_SUITE, _PYTHON_TEST_SUITE, _RUBY_TEST_SUITE,
+                    _LINUX_TEST_SUITE, _WINDOWS_TEST_SUITE, _MACOS_TEST_SUITE]
 
 # Dictionary of whitelistable files where the key is a regex matching changed files
 # and the value is a list of tests that should be run. An empty list means that
 # the changed files should not trigger any tests. Any changed file that does not
 # match any of these regexes will trigger all tests
 _WHITELIST_DICT = {
-  '^templates/.*': [],
-  '^doc/.*': [],
-  '^examples/.*': [],
-  '^summerofcode/.*': [],
-  '.*README.md$': [],
-  '.*LICENSE$': [],
-  '^src/cpp.*': [_cpp_test_suite],
-  '^src/csharp.*': [_csharp_test_suite],
-  '^src/node.*': [_node_test_suite],
-  '^src/objective-c.*': [_objc_test_suite],
-  '^src/php.*': [_php_test_suite],
-  '^src/python.*': [_python_test_suite],
-  '^src/ruby.*': [_ruby_test_suite],
-  '^test/core.*': [_core_test_suite],
-  '^test/cpp.*': [_cpp_test_suite],
-  '^test/distrib/cpp.*': [_cpp_test_suite],
-  '^test/distrib/csharp.*': [_csharp_test_suite],
-  '^test/distrib/node.*': [_node_test_suite],
-  '^test/distrib/php.*': [_php_test_suite],
-  '^test/distrib/python.*': [_python_test_suite],
-  '^test/distrib/ruby.*': [_ruby_test_suite]
+  '^doc/': [],
+  '^examples/': [],
+  '^include/grpc\+\+/': [_CPP_TEST_SUITE],
+  '^summerofcode/': [],
+  '^src/cpp/': [_CPP_TEST_SUITE],
+  '^src/csharp/': [_CSHARP_TEST_SUITE],
+  '^src/node/': [_NODE_TEST_SUITE],
+  '^src/objective\-c/': [_OBJC_TEST_SUITE],
+  '^src/php/': [_PHP_TEST_SUITE],
+  '^src/python/': [_PYTHON_TEST_SUITE],
+  '^src/ruby/': [_RUBY_TEST_SUITE],
+  '^templates/': [_SANITY_TEST_SUITE],
+  '^test/core/': [_CORE_TEST_SUITE],
+  '^test/cpp/': [_CPP_TEST_SUITE],
+  '^test/distrib/cpp/': [_CPP_TEST_SUITE],
+  '^test/distrib/csharp/': [_CSHARP_TEST_SUITE],
+  '^test/distrib/node/': [_NODE_TEST_SUITE],
+  '^test/distrib/php/': [_PHP_TEST_SUITE],
+  '^test/distrib/python/': [_PYTHON_TEST_SUITE],
+  '^test/distrib/ruby/': [_RUBY_TEST_SUITE],
+  '^vsprojects/': [_WINDOWS_TEST_SUITE],
+  'binding\.gyp$': [_NODE_TEST_SUITE],
+  'composer\.json$': [_PHP_TEST_SUITE],
+  'config\.m4$': [_PHP_TEST_SUITE],
+  'CONTRIBUTING\.md$': [],
+  'Gemfile$': [_RUBY_TEST_SUITE],
+  'grpc.def$': [_WINDOWS_TEST_SUITE],
+  'grpc\.gemspec$': [_RUBY_TEST_SUITE],
+  'gRPC\.podspec$': [_OBJC_TEST_SUITE],
+  'gRPC\-Core\.podspec$': [_OBJC_TEST_SUITE],
+  'gRPC\-ProtoRPC\.podspec$': [_OBJC_TEST_SUITE],
+  'gRPC\-RxLibrary\.podspec$': [_OBJC_TEST_SUITE],
+  'INSTALL\.md$': [],
+  'LICENSE$': [],
+  'MANIFEST\.md$': [],
+  'package\.json$': [_PHP_TEST_SUITE],
+  'package\.xml$': [_PHP_TEST_SUITE],
+  'PATENTS$': [],
+  'PYTHON\-MANIFEST\.in$': [_PYTHON_TEST_SUITE],
+  'README\.md$': [],
+  'requirements\.txt$': [_PYTHON_TEST_SUITE],
+  'setup\.cfg$': [_PYTHON_TEST_SUITE],
+  'setup\.py$': [_PYTHON_TEST_SUITE]
 }
+
 # Add all triggers to their respective test suites
 for trigger, test_suites in _WHITELIST_DICT.iteritems():
   for test_suite in test_suites:
@@ -106,10 +133,6 @@
   """
   Get list of changed files between current branch and base of target merge branch
   """
-  # git fetch might need to be called on Jenkins slave
-  # todo(mattkwong): remove or uncomment below after seeing if Jenkins needs this
-  # call(['git', 'fetch'])
-
   # Get file changes between branch and merge-base of specified branch
   # Not combined to be Windows friendly
   base_commit = check_output(["git", "merge-base", base_branch, "HEAD"]).rstrip()
@@ -129,27 +152,17 @@
   return True
 
 
-def _remove_irrelevant_tests(tests, tag):
+def _remove_irrelevant_tests(tests, skippable_labels):
   """
   Filters out tests by config or language - will not remove sanitizer tests
   :param tests: list of all tests generated by run_tests_matrix.py
-  :param tag: string representing language or config to filter - "_(language)_" or "_(config)"
+  :param skippable_labels: list of languages and platforms with skippable tests
   :return: list of relevant tests
   """
-  # todo(mattkwong): find a more reliable way to filter tests - don't use shortname
-  return [test for test in tests if tag not in test.shortname or
-          any(san_tag in test.shortname for san_tag in ['_asan', '_tsan', '_msan'])]
-
-
-def _remove_sanitizer_tests(tests):
-  """
-  Filters out sanitizer tests
-  :param tests: list of all tests generated by run_tests_matrix.py
-  :return: list of relevant tests
-  """
-  # todo(mattkwong): find a more reliable way to filter tests - don't use shortname
-  return [test for test in tests if
-          all(san_tag not in test.shortname for san_tag in ['_asan', '_tsan', '_msan'])]
+  # test.labels[0] is platform and test.labels[2] is language
+  # We skip a test if both are considered safe to skip
+  return [test for test in tests if test.labels[0] not in skippable_labels or \
+          test.labels[2] not in skippable_labels]
 
 
 def filter_tests(tests, base_branch):
@@ -158,7 +171,7 @@
   :param tests: list of all tests generated by run_tests_matrix.py
   :return: list of relevant tests
   """
-  print("Finding file differences between %s repo and current branch...\n" % base_branch)
+  print("Finding file differences between gRPC %s branch and pull request...\n" % base_branch)
   changed_files = _get_changed_files(base_branch)
   for changed_file in changed_files:
     print(changed_file)
@@ -170,15 +183,13 @@
   for changed_file in changed_files:
     if not re.match(all_triggers, changed_file):
       return(tests)
-  # Filter out tests by language
-  for test_suite in _all_test_suites:
+  # Figure out which language and platform tests to run
+  skippable_labels = []
+  for test_suite in _ALL_TEST_SUITES:
     if _can_skip_tests(changed_files, test_suite.triggers):
-      for tag in test_suite.tags:
-        print("  Filtering %s tests" % tag)
-        tests = _remove_irrelevant_tests(tests, tag)
-  # Sanitizer tests skipped if core and c++ are skipped
-  if _can_skip_tests(changed_files, _cpp_test_suite.triggers + _core_test_suite.triggers):
-    print("  Filtering Sanitizer tests")
-    tests = _remove_sanitizer_tests(tests)
+      for label in test_suite.labels:
+        print("  Filtering %s tests" % label)
+        skippable_labels.append(label)
 
+  tests = _remove_irrelevant_tests(tests, skippable_labels)
   return tests
diff --git a/tools/run_tests/performance/scenario_config.py b/tools/run_tests/performance/scenario_config.py
index 725ca29..e1c1bc6 100644
--- a/tools/run_tests/performance/scenario_config.py
+++ b/tools/run_tests/performance/scenario_config.py
@@ -219,6 +219,16 @@
           server_core_limit=1, async_server_threads=1,
           secure=secure)
 
+      yield _ping_pong_scenario(
+          'cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_%s' %
+          (secstr),
+          rpc_type='UNARY',
+          client_type='ASYNC_CLIENT',
+          server_type='SYNC_SERVER',
+          unconstrained_client='async',
+          secure=secure,
+          categories=smoketest_categories + [SCALABLE])
+
       for rpc_type in ['unary', 'streaming']:
         for synchronicity in ['sync', 'async']:
           yield _ping_pong_scenario(
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index aa246f2..29f6533 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -64,9 +64,9 @@
 
 _SKIP_COMPRESSION = _SKIP_CLIENT_COMPRESSION + _SKIP_SERVER_COMPRESSION
 
-_SKIP_ADVANCED_CXX_AND_GO = ['custom_metadata', 'unimplemented_method']
+_SKIP_ADVANCED_GO = ['custom_metadata', 'unimplemented_method']
 
-_SKIP_ADVANCED = _SKIP_ADVANCED_CXX_AND_GO + ['status_code_and_message']
+_SKIP_ADVANCED = _SKIP_ADVANCED_GO + ['status_code_and_message']
 
 _TEST_TIMEOUT = 3*60
 
@@ -90,10 +90,10 @@
     return {}
 
   def unimplemented_test_cases(self):
-    return _SKIP_ADVANCED_CXX_AND_GO
+    return []
 
   def unimplemented_test_cases_server(self):
-    return _SKIP_ADVANCED_CXX_AND_GO
+    return []
 
   def __str__(self):
     return 'c++'
@@ -207,10 +207,10 @@
     return {}
 
   def unimplemented_test_cases(self):
-    return _SKIP_ADVANCED_CXX_AND_GO + _SKIP_COMPRESSION
+    return _SKIP_ADVANCED_GO + _SKIP_COMPRESSION
 
   def unimplemented_test_cases_server(self):
-    return _SKIP_ADVANCED_CXX_AND_GO + _SKIP_COMPRESSION
+    return _SKIP_ADVANCED_GO + _SKIP_COMPRESSION
 
   def __str__(self):
     return 'go'
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
index 9214911..099ab89 100755
--- a/tools/run_tests/run_performance_tests.py
+++ b/tools/run_tests/run_performance_tests.py
@@ -91,12 +91,11 @@
   else:
     host_and_port='localhost:%s' % port
 
-  # TODO(jtattermusch): with some care, we can calculate the right timeout
-  # of a worker from the sum of warmup + benchmark times for all the scenarios
   jobspec = jobset.JobSpec(
       cmdline=cmdline,
       shortname=shortname,
-      timeout_seconds=2*60*60)
+      timeout_seconds=5*60,  # workers get restarted after each scenario
+      verbose_success=True)
   return QpsWorkerJob(jobspec, language, host_and_port)
 
 
@@ -357,6 +356,7 @@
 def finish_qps_workers(jobs):
   """Waits for given jobs to finish and eventually kills them."""
   retries = 0
+  num_killed = 0
   while any(job.is_running() for job in jobs):
     for job in qpsworker_jobs:
       if job.is_running():
@@ -365,10 +365,11 @@
       print('Killing all QPS workers.')
       for job in jobs:
         job.kill()
+        num_killed += 1
     retries += 1
     time.sleep(3)
   print('All QPS workers finished.')
-
+  return num_killed
 
 argp = argparse.ArgumentParser(description='Run performance tests.')
 argp.add_argument('-l', '--language',
@@ -450,6 +451,8 @@
 if not scenarios:
   raise Exception('No scenarios to run')
 
+total_scenario_failures = 0
+qps_workers_killed = 0
 for scenario in scenarios:
   if args.dry_run:
     print(scenario.name)
@@ -457,8 +460,14 @@
     try:
       for worker in scenario.workers:
         worker.start()
-      jobset.run([scenario.jobspec,
-                  create_quit_jobspec(scenario.workers, remote_host=args.remote_driver_host)],
-                 newline_on_success=True, maxjobs=1)
+      scenario_failures, _ = jobset.run([scenario.jobspec,
+                                 create_quit_jobspec(scenario.workers, remote_host=args.remote_driver_host)],
+                                 newline_on_success=True, maxjobs=1)
+      total_scenario_failures += scenario_failures
     finally:
-      finish_qps_workers(scenario.workers)
+      # Consider qps workers that need to be killed as failures
+      qps_workers_killed += finish_qps_workers(scenario.workers)
+
+if total_scenario_failures > 0 or qps_workers_killed > 0:
+  print ("%s scenarios failed and %s qps worker jobs killed" % (total_scenario_failures, qps_workers_killed))
+  sys.exit(1)
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 4122dc0..02d22b1 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -365,7 +365,7 @@
     "language": "c", 
     "name": "dns_resolver_connectivity_test", 
     "src": [
-      "test/core/client_config/resolvers/dns_resolver_connectivity_test.c"
+      "test/core/client_channel/resolvers/dns_resolver_connectivity_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -382,7 +382,7 @@
     "language": "c", 
     "name": "dns_resolver_test", 
     "src": [
-      "test/core/client_config/resolvers/dns_resolver_test.c"
+      "test/core/client_channel/resolvers/dns_resolver_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -1480,7 +1480,7 @@
     "language": "c", 
     "name": "lb_policies_test", 
     "src": [
-      "test/core/client_config/lb_policies_test.c"
+      "test/core/client_channel/lb_policies_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -1802,7 +1802,7 @@
     "language": "c", 
     "name": "set_initial_connect_string_test", 
     "src": [
-      "test/core/client_config/set_initial_connect_string_test.c"
+      "test/core/client_channel/set_initial_connect_string_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -1819,7 +1819,7 @@
     "language": "c", 
     "name": "sockaddr_resolver_test", 
     "src": [
-      "test/core/client_config/resolvers/sockaddr_resolver_test.c"
+      "test/core/client_channel/resolvers/sockaddr_resolver_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -2057,7 +2057,7 @@
     "language": "c", 
     "name": "uri_fuzzer_test", 
     "src": [
-      "test/core/client_config/uri_fuzzer_test.c"
+      "test/core/client_channel/uri_fuzzer_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -2074,7 +2074,7 @@
     "language": "c", 
     "name": "uri_parser_test", 
     "src": [
-      "test/core/client_config/uri_parser_test.c"
+      "test/core/client_channel/uri_parser_test.c"
     ], 
     "third_party": false, 
     "type": "target"
@@ -2693,6 +2693,7 @@
       "gpr", 
       "gpr_test_util", 
       "grpc", 
+      "grpc++_test_config", 
       "grpc_test_util"
     ], 
     "headers": [], 
@@ -3970,6 +3971,24 @@
     "headers": [], 
     "is_filegroup": false, 
     "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_fake_resolver.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "end2end_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "is_filegroup": false, 
+    "language": "c", 
     "name": "h2_fakesec_test", 
     "src": [
       "test/core/end2end/fixtures/h2_fakesec.c"
@@ -4294,6 +4313,24 @@
     "headers": [], 
     "is_filegroup": false, 
     "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_fake_resolver.c"
+    ], 
+    "third_party": false, 
+    "type": "target"
+  }, 
+  {
+    "deps": [
+      "end2end_nosec_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "is_filegroup": false, 
+    "language": "c", 
     "name": "h2_fd_nosec_test", 
     "src": [
       "test/core/end2end/fixtures/h2_fd.c"
@@ -4691,7 +4728,7 @@
     "language": "c", 
     "name": "uri_fuzzer_test_one_entry", 
     "src": [
-      "test/core/client_config/uri_fuzzer_test.c", 
+      "test/core/client_channel/uri_fuzzer_test.c", 
       "test/core/util/one_corpus_entry_fuzzer.c"
     ], 
     "third_party": false, 
@@ -6480,6 +6517,7 @@
       "src/core/lib/surface/server.h", 
       "src/core/lib/transport/byte_stream.h", 
       "src/core/lib/transport/connectivity_state.h", 
+      "src/core/lib/transport/mdstr_hash_table.h", 
       "src/core/lib/transport/metadata.h", 
       "src/core/lib/transport/metadata_batch.h", 
       "src/core/lib/transport/static_metadata.h", 
@@ -6661,6 +6699,8 @@
       "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/mdstr_hash_table.c", 
+      "src/core/lib/transport/mdstr_hash_table.h", 
       "src/core/lib/transport/metadata.c", 
       "src/core/lib/transport/metadata.h", 
       "src/core/lib/transport/metadata_batch.c", 
@@ -6683,62 +6723,65 @@
       "grpc_base"
     ], 
     "headers": [
-      "src/core/ext/client_config/client_channel.h", 
-      "src/core/ext/client_config/client_channel_factory.h", 
-      "src/core/ext/client_config/connector.h", 
-      "src/core/ext/client_config/http_connect_handshaker.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/parse_address.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/resolver_result.h", 
-      "src/core/ext/client_config/subchannel.h", 
-      "src/core/ext/client_config/subchannel_index.h", 
-      "src/core/ext/client_config/uri_parser.h"
+      "src/core/ext/client_channel/client_channel.h", 
+      "src/core/ext/client_channel/client_channel_factory.h", 
+      "src/core/ext/client_channel/connector.h", 
+      "src/core/ext/client_channel/http_connect_handshaker.h", 
+      "src/core/ext/client_channel/initial_connect_string.h", 
+      "src/core/ext/client_channel/lb_policy.h", 
+      "src/core/ext/client_channel/lb_policy_factory.h", 
+      "src/core/ext/client_channel/lb_policy_registry.h", 
+      "src/core/ext/client_channel/method_config.h", 
+      "src/core/ext/client_channel/parse_address.h", 
+      "src/core/ext/client_channel/resolver.h", 
+      "src/core/ext/client_channel/resolver_factory.h", 
+      "src/core/ext/client_channel/resolver_registry.h", 
+      "src/core/ext/client_channel/resolver_result.h", 
+      "src/core/ext/client_channel/subchannel.h", 
+      "src/core/ext/client_channel/subchannel_index.h", 
+      "src/core/ext/client_channel/uri_parser.h"
     ], 
     "is_filegroup": true, 
     "language": "c", 
-    "name": "grpc_client_config", 
+    "name": "grpc_client_channel", 
     "src": [
-      "src/core/ext/client_config/channel_connectivity.c", 
-      "src/core/ext/client_config/client_channel.c", 
-      "src/core/ext/client_config/client_channel.h", 
-      "src/core/ext/client_config/client_channel_factory.c", 
-      "src/core/ext/client_config/client_channel_factory.h", 
-      "src/core/ext/client_config/client_config_plugin.c", 
-      "src/core/ext/client_config/connector.c", 
-      "src/core/ext/client_config/connector.h", 
-      "src/core/ext/client_config/default_initial_connect_string.c", 
-      "src/core/ext/client_config/http_connect_handshaker.c", 
-      "src/core/ext/client_config/http_connect_handshaker.h", 
-      "src/core/ext/client_config/initial_connect_string.c", 
-      "src/core/ext/client_config/initial_connect_string.h", 
-      "src/core/ext/client_config/lb_policy.c", 
-      "src/core/ext/client_config/lb_policy.h", 
-      "src/core/ext/client_config/lb_policy_factory.c", 
-      "src/core/ext/client_config/lb_policy_factory.h", 
-      "src/core/ext/client_config/lb_policy_registry.c", 
-      "src/core/ext/client_config/lb_policy_registry.h", 
-      "src/core/ext/client_config/parse_address.c", 
-      "src/core/ext/client_config/parse_address.h", 
-      "src/core/ext/client_config/resolver.c", 
-      "src/core/ext/client_config/resolver.h", 
-      "src/core/ext/client_config/resolver_factory.c", 
-      "src/core/ext/client_config/resolver_factory.h", 
-      "src/core/ext/client_config/resolver_registry.c", 
-      "src/core/ext/client_config/resolver_registry.h", 
-      "src/core/ext/client_config/resolver_result.c", 
-      "src/core/ext/client_config/resolver_result.h", 
-      "src/core/ext/client_config/subchannel.c", 
-      "src/core/ext/client_config/subchannel.h", 
-      "src/core/ext/client_config/subchannel_index.c", 
-      "src/core/ext/client_config/subchannel_index.h", 
-      "src/core/ext/client_config/uri_parser.c", 
-      "src/core/ext/client_config/uri_parser.h"
+      "src/core/ext/client_channel/channel_connectivity.c", 
+      "src/core/ext/client_channel/client_channel.c", 
+      "src/core/ext/client_channel/client_channel.h", 
+      "src/core/ext/client_channel/client_channel_factory.c", 
+      "src/core/ext/client_channel/client_channel_factory.h", 
+      "src/core/ext/client_channel/client_channel_plugin.c", 
+      "src/core/ext/client_channel/connector.c", 
+      "src/core/ext/client_channel/connector.h", 
+      "src/core/ext/client_channel/default_initial_connect_string.c", 
+      "src/core/ext/client_channel/http_connect_handshaker.c", 
+      "src/core/ext/client_channel/http_connect_handshaker.h", 
+      "src/core/ext/client_channel/initial_connect_string.c", 
+      "src/core/ext/client_channel/initial_connect_string.h", 
+      "src/core/ext/client_channel/lb_policy.c", 
+      "src/core/ext/client_channel/lb_policy.h", 
+      "src/core/ext/client_channel/lb_policy_factory.c", 
+      "src/core/ext/client_channel/lb_policy_factory.h", 
+      "src/core/ext/client_channel/lb_policy_registry.c", 
+      "src/core/ext/client_channel/lb_policy_registry.h", 
+      "src/core/ext/client_channel/method_config.c", 
+      "src/core/ext/client_channel/method_config.h", 
+      "src/core/ext/client_channel/parse_address.c", 
+      "src/core/ext/client_channel/parse_address.h", 
+      "src/core/ext/client_channel/resolver.c", 
+      "src/core/ext/client_channel/resolver.h", 
+      "src/core/ext/client_channel/resolver_factory.c", 
+      "src/core/ext/client_channel/resolver_factory.h", 
+      "src/core/ext/client_channel/resolver_registry.c", 
+      "src/core/ext/client_channel/resolver_registry.h", 
+      "src/core/ext/client_channel/resolver_result.c", 
+      "src/core/ext/client_channel/resolver_result.h", 
+      "src/core/ext/client_channel/subchannel.c", 
+      "src/core/ext/client_channel/subchannel.h", 
+      "src/core/ext/client_channel/subchannel_index.c", 
+      "src/core/ext/client_channel/subchannel_index.h", 
+      "src/core/ext/client_channel/uri_parser.c", 
+      "src/core/ext/client_channel/uri_parser.h"
     ], 
     "third_party": false, 
     "type": "filegroup"
@@ -6773,7 +6816,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config", 
+      "grpc_client_channel", 
       "nanopb"
     ], 
     "headers": [
@@ -6799,7 +6842,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config"
+      "grpc_client_channel"
     ], 
     "headers": [], 
     "is_filegroup": true, 
@@ -6815,7 +6858,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config"
+      "grpc_client_channel"
     ], 
     "headers": [], 
     "is_filegroup": true, 
@@ -6852,7 +6895,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config"
+      "grpc_client_channel"
     ], 
     "headers": [], 
     "is_filegroup": true, 
@@ -6868,7 +6911,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config"
+      "grpc_client_channel"
     ], 
     "headers": [], 
     "is_filegroup": true, 
@@ -7115,7 +7158,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config", 
+      "grpc_client_channel", 
       "grpc_transport_chttp2"
     ], 
     "headers": [], 
@@ -7133,7 +7176,7 @@
     "deps": [
       "gpr", 
       "grpc_base", 
-      "grpc_client_config", 
+      "grpc_client_channel", 
       "grpc_secure", 
       "grpc_transport_chttp2"
     ], 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 4095599..938aa2e 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -6521,6 +6521,974 @@
     "ci_platforms": [
       "windows", 
       "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "binary_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "call_creds"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_accept"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_client_done"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_after_invoke"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_before_invoke"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_in_a_vacuum"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "cancel_with_status"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "compressed_payload"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "connectivity"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 0.1, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "default_host"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "disappearing_server"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "empty_batch"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
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+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
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+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
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+    "platforms": [
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+      "mac", 
+      "posix"
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+  {
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+      "windows", 
+      "linux", 
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+    "language": "c", 
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+    "platforms": [
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+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "streaming_error_response"
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+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
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+    "cpu_cost": 1.0, 
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+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "trailing_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
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+    "language": "c", 
+    "name": "h2_fake_resolver_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "bad_hostname"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
       "posix"
     ], 
     "cpu_cost": 1.0, 
@@ -16034,7 +17002,9 @@
       "posix"
     ], 
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-    "exclude_configs": [], 
+    "exclude_configs": [
+      "msan"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16055,7 +17025,9 @@
       "posix"
     ], 
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-    "exclude_configs": [], 
+    "exclude_configs": [
+      "msan"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16076,7 +17048,9 @@
       "posix"
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-    "exclude_configs": [], 
+    "exclude_configs": [
+      "msan"
+    ], 
     "flaky": false, 
     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16097,7 +17071,9 @@
       "posix"
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "flaky": false, 
     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16118,7 +17094,9 @@
       "posix"
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     "cpu_cost": 1.0, 
-    "exclude_configs": [], 
+    "exclude_configs": [
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     "flaky": false, 
     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16139,7 +17117,9 @@
       "posix"
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16160,7 +17140,9 @@
       "posix"
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16181,7 +17163,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "flaky": false, 
     "language": "c", 
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@@ -16202,7 +17186,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "flaky": false, 
     "language": "c", 
     "name": "h2_sockpair_1byte_test", 
@@ -16223,7 +17209,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "flaky": false, 
     "language": "c", 
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@@ -16244,7 +17232,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16265,7 +17255,9 @@
       "posix"
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16286,7 +17278,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16307,7 +17301,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16328,7 +17324,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16349,7 +17347,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16370,7 +17370,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16391,7 +17393,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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@@ -16412,7 +17416,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16433,7 +17439,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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     "language": "c", 
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@@ -16454,7 +17462,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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@@ -16475,7 +17485,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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@@ -16496,7 +17508,9 @@
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-    "exclude_configs": [], 
+    "exclude_configs": [
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@@ -16517,7 +17531,9 @@
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+    "exclude_configs": [
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@@ -16538,7 +17554,9 @@
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@@ -16559,7 +17577,9 @@
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@@ -16580,7 +17600,9 @@
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@@ -16601,7 +17623,9 @@
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@@ -16622,7 +17646,9 @@
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@@ -16664,7 +17692,9 @@
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@@ -16706,7 +17738,9 @@
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@@ -16769,7 +17807,9 @@
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@@ -16790,7 +17830,9 @@
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@@ -16811,7 +17853,9 @@
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@@ -16832,7 +17876,9 @@
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@@ -22334,6 +23380,952 @@
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+  {
+    "args": [
+      "shutdown_finishes_calls"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "shutdown_finishes_tags"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_cacheable_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_delayed_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "simple_request"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "streaming_error_response"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "trailing_metadata"
+    ], 
+    "ci_platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "cpu_cost": 1.0, 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fake_resolver_nosec_test", 
+    "platforms": [
+      "windows", 
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "args": [
+      "bad_hostname"
+    ], 
+    "ci_platforms": [
       "linux", 
       "mac", 
       "posix"
@@ -31585,6 +33577,27 @@
   {
     "args": [
       "--scenarios_json", 
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": {\"use_test_ca\": true, \"server_host_override\": \"foo.test.google.fr\"}, \"server_type\": \"SYNC_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\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 8, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_secure", 
+    "timeout_seconds": 180
+  }, 
+  {
+    "args": [
+      "--scenarios_json", 
       "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_secure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"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\"}, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_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\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}]}"
     ], 
     "boringssl": true, 
@@ -31816,6 +33829,27 @@
   {
     "args": [
       "--scenarios_json", 
+      "{\"scenarios\": [{\"name\": \"cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 0, \"core_limit\": 0, \"security_params\": null, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"ASYNC_CLIENT\", \"security_params\": null, \"payload_config\": {\"simple_params\": {\"resp_size\": 0, \"req_size\": 0}}, \"client_channels\": 64, \"async_client_threads\": 0, \"outstanding_rpcs_per_channel\": 100, \"rpc_type\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 0}]}"
+    ], 
+    "boringssl": true, 
+    "ci_platforms": [
+      "linux"
+    ], 
+    "cpu_cost": 8, 
+    "defaults": "boringssl", 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c++", 
+    "name": "json_run_localhost", 
+    "platforms": [
+      "linux"
+    ], 
+    "shortname": "json_run_localhost:cpp_protobuf_async_client_sync_server_unary_qps_unconstrained_insecure", 
+    "timeout_seconds": 180
+  }, 
+  {
+    "args": [
+      "--scenarios_json", 
       "{\"scenarios\": [{\"name\": \"cpp_protobuf_sync_unary_ping_pong_insecure\", \"warmup_seconds\": 0, \"benchmark_seconds\": 1, \"num_servers\": 1, \"server_config\": {\"async_server_threads\": 1, \"core_limit\": 1, \"security_params\": null, \"server_type\": \"SYNC_SERVER\"}, \"client_config\": {\"client_type\": \"SYNC_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\": \"UNARY\", \"load_params\": {\"closed_loop\": {}}, \"histogram_params\": {\"max_possible\": 60000000000.0, \"resolution\": 0.01}}, \"num_clients\": 1}]}"
     ], 
     "boringssl": true, 
@@ -97552,7 +99586,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342"
+      "test/core/client_channel/uri_corpus/02d156dc5e6f2c11c90c2e06fcee04adf036a342"
     ], 
     "ci_platforms": [
       "linux"
@@ -97571,7 +99605,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342"
+      "test/core/client_channel/uri_corpus/042dc4512fa3d391c5170cf3aa61e6a638f84342"
     ], 
     "ci_platforms": [
       "linux"
@@ -97590,7 +99624,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11"
+      "test/core/client_channel/uri_corpus/0e9bbe975f2027e8c39c89f85f667530368e7d11"
     ], 
     "ci_platforms": [
       "linux"
@@ -97609,7 +99643,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f"
+      "test/core/client_channel/uri_corpus/1155aa6ea7ef262a81a63692513ea395f84dad6f"
     ], 
     "ci_platforms": [
       "linux"
@@ -97628,7 +99662,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118"
+      "test/core/client_channel/uri_corpus/13856a5569ffd085a4d5c07af5f8e9310835a118"
     ], 
     "ci_platforms": [
       "linux"
@@ -97647,7 +99681,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc"
+      "test/core/client_channel/uri_corpus/14b57bcbf1e17b1db1de491ef2ba3768f704b7dc"
     ], 
     "ci_platforms": [
       "linux"
@@ -97666,7 +99700,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f"
+      "test/core/client_channel/uri_corpus/1794310671a060eead6e5ee66ac978a18ec7e84f"
     ], 
     "ci_platforms": [
       "linux"
@@ -97685,7 +99719,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80"
+      "test/core/client_channel/uri_corpus/1d30b2a79afbaf2828ff42b9a9647e942ba1ab80"
     ], 
     "ci_platforms": [
       "linux"
@@ -97704,7 +99738,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971"
+      "test/core/client_channel/uri_corpus/1fcf5d9c333b70596cf5ba04d1f7affdf445b971"
     ], 
     "ci_platforms": [
       "linux"
@@ -97723,7 +99757,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc"
+      "test/core/client_channel/uri_corpus/23162c8a8936e20b195404c21337ee734d02a6bc"
     ], 
     "ci_platforms": [
       "linux"
@@ -97742,7 +99776,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1"
+      "test/core/client_channel/uri_corpus/23f3198b815ca60bdadcaae682b9f965dda387f1"
     ], 
     "ci_platforms": [
       "linux"
@@ -97761,7 +99795,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf"
+      "test/core/client_channel/uri_corpus/2ef3893b43f1f60b77b59ce06a6bce9815d78eaf"
     ], 
     "ci_platforms": [
       "linux"
@@ -97780,7 +99814,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce"
+      "test/core/client_channel/uri_corpus/356c3c129e203b5c74550b4209764d74b9caefce"
     ], 
     "ci_platforms": [
       "linux"
@@ -97799,7 +99833,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327"
+      "test/core/client_channel/uri_corpus/396568fc41c8ccb31ec925b4a862e4d29ead1327"
     ], 
     "ci_platforms": [
       "linux"
@@ -97818,7 +99852,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c"
+      "test/core/client_channel/uri_corpus/3b1e7526a99918006b87e499d2beb6c4ac9c3c0c"
     ], 
     "ci_platforms": [
       "linux"
@@ -97837,7 +99871,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc"
+      "test/core/client_channel/uri_corpus/3b58860f3451d3e7aad99690a8d39782ca5116fc"
     ], 
     "ci_platforms": [
       "linux"
@@ -97856,7 +99890,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c"
+      "test/core/client_channel/uri_corpus/41963cc10752f70c3af7e3d85868efb097a0ea9c"
     ], 
     "ci_platforms": [
       "linux"
@@ -97875,7 +99909,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1"
+      "test/core/client_channel/uri_corpus/47b5228404451fc9d4071fa69192514bb4ce33c1"
     ], 
     "ci_platforms": [
       "linux"
@@ -97894,7 +99928,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab"
+      "test/core/client_channel/uri_corpus/56a2da4b2e6fb795243901023ed8d0aa083d1aab"
     ], 
     "ci_platforms": [
       "linux"
@@ -97913,7 +99947,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822"
+      "test/core/client_channel/uri_corpus/574c2f13858a9a6d724654bd913ede9ae3abf822"
     ], 
     "ci_platforms": [
       "linux"
@@ -97932,7 +99966,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb"
+      "test/core/client_channel/uri_corpus/582f789c19033a152094cbf8565f14154a778ddb"
     ], 
     "ci_platforms": [
       "linux"
@@ -97951,7 +99985,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8"
+      "test/core/client_channel/uri_corpus/636c5606fc23713a1bae88c8899c0541cfad4fd8"
     ], 
     "ci_platforms": [
       "linux"
@@ -97970,7 +100004,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a"
+      "test/core/client_channel/uri_corpus/63fe493b270b17426d77a27cbf3abac5b2c2794a"
     ], 
     "ci_platforms": [
       "linux"
@@ -97989,7 +100023,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb"
+      "test/core/client_channel/uri_corpus/655300a902b62662296a8e46bfb04fbcb07182cb"
     ], 
     "ci_platforms": [
       "linux"
@@ -98008,7 +100042,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58"
+      "test/core/client_channel/uri_corpus/6ae3acd9d8507b61bf235748026080a4138dba58"
     ], 
     "ci_platforms": [
       "linux"
@@ -98027,7 +100061,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6"
+      "test/core/client_channel/uri_corpus/6b70979a70a038ff6607d6cf85485ee95baf58e6"
     ], 
     "ci_platforms": [
       "linux"
@@ -98046,7 +100080,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1"
+      "test/core/client_channel/uri_corpus/7314ab3545a7535a26e0e8aad67caea5534d68b1"
     ], 
     "ci_platforms": [
       "linux"
@@ -98065,7 +100099,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb"
+      "test/core/client_channel/uri_corpus/7ff4d8b8d1ffd0d42c48bbb91e5856a9ec31aecb"
     ], 
     "ci_platforms": [
       "linux"
@@ -98084,7 +100118,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d"
+      "test/core/client_channel/uri_corpus/87daa131e0973b77a232a870ed749ef29cf58e6d"
     ], 
     "ci_platforms": [
       "linux"
@@ -98103,7 +100137,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266"
+      "test/core/client_channel/uri_corpus/884dcaee2908ffe5f12b65b8eba81016099c4266"
     ], 
     "ci_platforms": [
       "linux"
@@ -98122,7 +100156,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb"
+      "test/core/client_channel/uri_corpus/8d7e944fd5d0ede94097fcc98b47b09a3f9c76cb"
     ], 
     "ci_platforms": [
       "linux"
@@ -98141,7 +100175,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4"
+      "test/core/client_channel/uri_corpus/9671149af0b444f59bbdf71340d3441dadd8a7b4"
     ], 
     "ci_platforms": [
       "linux"
@@ -98160,7 +100194,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb"
+      "test/core/client_channel/uri_corpus/96c8d266b7dc037288ef305c996608270f72e7fb"
     ], 
     "ci_platforms": [
       "linux"
@@ -98179,7 +100213,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8"
+      "test/core/client_channel/uri_corpus/975536c71ade4800415a7e9c2f1b45c35a6d5ea8"
     ], 
     "ci_platforms": [
       "linux"
@@ -98198,7 +100232,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b"
+      "test/core/client_channel/uri_corpus/99750aa67d30beaea8af565c829d4999aa8cb91b"
     ], 
     "ci_platforms": [
       "linux"
@@ -98217,7 +100251,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6"
+      "test/core/client_channel/uri_corpus/a1140f3f8b5cffc1010221b9a4084a25fb75c1f6"
     ], 
     "ci_platforms": [
       "linux"
@@ -98236,7 +100270,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de"
+      "test/core/client_channel/uri_corpus/a1f0f9b75bb354eb063d7cba4fcfa2d0b88d63de"
     ], 
     "ci_platforms": [
       "linux"
@@ -98255,7 +100289,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d"
+      "test/core/client_channel/uri_corpus/a296eb3d1d436ed7df7195b10aa3c4de3896f98d"
     ], 
     "ci_platforms": [
       "linux"
@@ -98274,7 +100308,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38"
+      "test/core/client_channel/uri_corpus/a8b8e66050b424f1b8c07d46f868199fb7f60e38"
     ], 
     "ci_platforms": [
       "linux"
@@ -98293,7 +100327,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/aba1472880406a318ce207ee79815b7acf087757"
+      "test/core/client_channel/uri_corpus/aba1472880406a318ce207ee79815b7acf087757"
     ], 
     "ci_platforms": [
       "linux"
@@ -98312,7 +100346,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2"
+      "test/core/client_channel/uri_corpus/af55baf8c8855e563befdf1eefbcbd46c5ddb8d2"
     ], 
     "ci_platforms": [
       "linux"
@@ -98331,7 +100365,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd"
+      "test/core/client_channel/uri_corpus/b3c0bf66c2bf5d24ef1daf4cc5a9d6d5bd0e8bfd"
     ], 
     "ci_platforms": [
       "linux"
@@ -98350,7 +100384,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4"
+      "test/core/client_channel/uri_corpus/c28a47409cf5d95bb372238d01e73d8b831408e4"
     ], 
     "ci_platforms": [
       "linux"
@@ -98369,7 +100403,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807"
+      "test/core/client_channel/uri_corpus/c3ef1d41888063a08700c3add1e4465aabcf8807"
     ], 
     "ci_platforms": [
       "linux"
@@ -98388,7 +100422,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d"
+      "test/core/client_channel/uri_corpus/c550a76af21f9b9cc92a386d5c8998b26f8f2e4d"
     ], 
     "ci_platforms": [
       "linux"
@@ -98407,7 +100441,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9"
+      "test/core/client_channel/uri_corpus/c79721406d0ab80495f186fd88e37fba98637ae9"
     ], 
     "ci_platforms": [
       "linux"
@@ -98426,7 +100460,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245"
+      "test/core/client_channel/uri_corpus/ceb4e2264ba7a8d5be47d276b37ec09489e00245"
     ], 
     "ci_platforms": [
       "linux"
@@ -98445,7 +100479,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c"
+      "test/core/client_channel/uri_corpus/cf4395958f5bfb46fd6f535a39657d016c75114c"
     ], 
     "ci_platforms": [
       "linux"
@@ -98464,7 +100498,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca"
+      "test/core/client_channel/uri_corpus/d46668372b7e20154a89409a7430a28e642afdca"
     ], 
     "ci_platforms": [
       "linux"
@@ -98483,7 +100517,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a"
+      "test/core/client_channel/uri_corpus/d6fe7412a0a1d1c733160246f3fa425f4f97682a"
     ], 
     "ci_platforms": [
       "linux"
@@ -98502,7 +100536,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/dns.txt"
+      "test/core/client_channel/uri_corpus/dns.txt"
     ], 
     "ci_platforms": [
       "linux"
@@ -98521,7 +100555,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd"
+      "test/core/client_channel/uri_corpus/e241f29957b0e30ec11aaaf91b2339f7015fa5fd"
     ], 
     "ci_platforms": [
       "linux"
@@ -98540,7 +100574,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71"
+      "test/core/client_channel/uri_corpus/ea02d9fea9bad5b89cf353a0169238f584177e71"
     ], 
     "ci_platforms": [
       "linux"
@@ -98559,7 +100593,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee"
+      "test/core/client_channel/uri_corpus/ec4731dddf94ed3ea92ae4d5a71f145ab6e3f6ee"
     ], 
     "ci_platforms": [
       "linux"
@@ -98578,7 +100612,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2"
+      "test/core/client_channel/uri_corpus/ed2f78646f19fc47dd85ff0877c232b71913ece2"
     ], 
     "ci_platforms": [
       "linux"
@@ -98597,7 +100631,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3"
+      "test/core/client_channel/uri_corpus/f6889f4a6350fea1596a3adea5cdac02bd5d1ff3"
     ], 
     "ci_platforms": [
       "linux"
@@ -98616,7 +100650,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67"
+      "test/core/client_channel/uri_corpus/f6f3bd030f0d321efe7c51ca3f057de23509af67"
     ], 
     "ci_platforms": [
       "linux"
@@ -98635,7 +100669,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/f97598cff03306af3c70400608fec47268b5075d"
+      "test/core/client_channel/uri_corpus/f97598cff03306af3c70400608fec47268b5075d"
     ], 
     "ci_platforms": [
       "linux"
@@ -98654,7 +100688,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101"
+      "test/core/client_channel/uri_corpus/f9e1ec1fc642b575bc9955618b7065747f56b101"
     ], 
     "ci_platforms": [
       "linux"
@@ -98673,7 +100707,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4"
+      "test/core/client_channel/uri_corpus/fe0630a3aeed2ec6f474f362e4c839478290d5c4"
     ], 
     "ci_platforms": [
       "linux"
@@ -98692,7 +100726,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/ipv4.txt"
+      "test/core/client_channel/uri_corpus/ipv4.txt"
     ], 
     "ci_platforms": [
       "linux"
@@ -98711,7 +100745,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/ipv6.txt"
+      "test/core/client_channel/uri_corpus/ipv6.txt"
     ], 
     "ci_platforms": [
       "linux"
@@ -98730,7 +100764,7 @@
   }, 
   {
     "args": [
-      "test/core/client_config/uri_corpus/unix.txt"
+      "test/core/client_channel/uri_corpus/unix.txt"
     ], 
     "ci_platforms": [
       "linux"
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index f8824cc..339b42f 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -755,6 +755,30 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fake_resolver_nosec_test", "vcxproj\test/end2end/fixtures\h2_fake_resolver_nosec_test\h2_fake_resolver_nosec_test.vcxproj", "{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED} = {47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}
+		{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}") = "h2_fake_resolver_test", "vcxproj\test/end2end/fixtures\h2_fake_resolver_test\h2_fake_resolver_test.vcxproj", "{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{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}") = "h2_fakesec_test", "vcxproj\test/end2end/fixtures\h2_fakesec_test\h2_fakesec_test.vcxproj", "{0E980562-3AA0-91B1-C590-85C9A899BE44}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2730,6 +2754,38 @@
 		{C7E516E9-B80F-4BC1-A617-095FC6E14BC9}.Release-DLL|Win32.Build.0 = Release|Win32
 		{C7E516E9-B80F-4BC1-A617-095FC6E14BC9}.Release-DLL|x64.ActiveCfg = Release|x64
 		{C7E516E9-B80F-4BC1-A617-095FC6E14BC9}.Release-DLL|x64.Build.0 = Release|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug|Win32.ActiveCfg = Debug|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug|x64.ActiveCfg = Debug|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release|Win32.ActiveCfg = Release|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release|x64.ActiveCfg = Release|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug|Win32.Build.0 = Debug|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug|x64.Build.0 = Debug|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release|Win32.Build.0 = Release|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release|x64.Build.0 = Release|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Debug-DLL|x64.Build.0 = Debug|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release-DLL|Win32.Build.0 = Release|Win32
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release-DLL|x64.ActiveCfg = Release|x64
+		{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}.Release-DLL|x64.Build.0 = Release|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug|x64.ActiveCfg = Debug|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release|Win32.ActiveCfg = Release|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release|x64.ActiveCfg = Release|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug|Win32.Build.0 = Debug|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug|x64.Build.0 = Debug|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release|Win32.Build.0 = Release|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release|x64.Build.0 = Release|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}.Release-DLL|x64.Build.0 = Release|x64
 		{0E980562-3AA0-91B1-C590-85C9A899BE44}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0E980562-3AA0-91B1-C590-85C9A899BE44}.Debug|x64.ActiveCfg = Debug|x64
 		{0E980562-3AA0-91B1-C590-85C9A899BE44}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj b/vsprojects/vcxproj/grpc++_test/grpc++_test.vcxproj
similarity index 65%
copy from vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj
copy to vsprojects/vcxproj/grpc++_test/grpc++_test.vcxproj
index 995d60d..cd3e406 100644
--- a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj
+++ b/vsprojects/vcxproj/grpc++_test/grpc++_test.vcxproj
@@ -1,6 +1,5 @@
 <?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>
@@ -38,12 +37,12 @@
     <PlatformToolset>v140</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
@@ -53,27 +52,15 @@
   </ImportGroup>
   <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
-    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
-    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
-    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
     <TargetName>grpc++_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
     <TargetName>grpc++_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>
@@ -171,25 +158,13 @@
       <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="packages.config" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
-  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
-  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets')" />
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diff --git a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj.filters b/vsprojects/vcxproj/grpc++_test/grpc++_test.vcxproj.filters
similarity index 100%
rename from vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj.filters
rename to vsprojects/vcxproj/grpc++_test/grpc++_test.vcxproj.filters
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index adfebda..e13d5f3 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -372,6 +372,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\byte_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\static_metadata.h" />
@@ -423,22 +424,23 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\ssl_types.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\transport_security.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\tsi\transport_security_interface.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\grpclb.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\load_balancer_api.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\proto\grpc\lb\v1\load_balancer.pb.h" />
@@ -635,6 +637,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.c">
@@ -751,43 +755,45 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\secure\secure_channel_create.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\channel_connectivity.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_plugin.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\default_initial_connect_string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index ee5bf36..1ffe151 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -262,6 +262,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.c">
+      <Filter>src\core\lib\transport</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
@@ -436,62 +439,65 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\secure\secure_channel_create.c">
       <Filter>src\core\ext\transport\chttp2\client\secure</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\channel_connectivity.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_plugin.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\default_initial_connect_string.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.c">
+      <Filter>src\core\ext\client_channel</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\server\insecure\server_chttp2.c">
       <Filter>src\core\ext\transport\chttp2\server\insecure</Filter>
@@ -899,6 +905,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.h">
+      <Filter>src\core\lib\transport</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
@@ -1052,53 +1061,56 @@
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.h">
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-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.h">
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-      <Filter>src\core\ext\client_config</Filter>
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+      <Filter>src\core\ext\client_channel</Filter>
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.h">
+      <Filter>src\core\ext\client_channel</Filter>
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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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-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.h">
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-      <Filter>src\core\ext\client_config</Filter>
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-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.h">
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.h">
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-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.h">
-      <Filter>src\core\ext\client_config</Filter>
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     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.h">
-      <Filter>src\core\ext\client_config</Filter>
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-      <Filter>src\core\ext\client_config</Filter>
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     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\grpclb.h">
       <Filter>src\core\ext\lb_policy\grpclb</Filter>
@@ -1190,8 +1202,8 @@
     <Filter Include="src\core\ext\census\gen">
       <UniqueIdentifier>{4a14dd37-5868-c656-7333-fa80574cbb07}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\ext\client_config">
-      <UniqueIdentifier>{003725f8-37fc-80b5-deba-baae32caf915}</UniqueIdentifier>
+    <Filter Include="src\core\ext\client_channel">
+      <UniqueIdentifier>{36eee53a-cd19-738a-c387-20c44a2bfd07}</UniqueIdentifier>
     </Filter>
     <Filter Include="src\core\ext\lb_policy">
       <UniqueIdentifier>{030f00ff-6c54-76c8-12df-37e3008335d1}</UniqueIdentifier>
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index 382494a..eb3a94d 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -265,6 +265,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\byte_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\static_metadata.h" />
@@ -483,6 +484,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 2f7854d..fcc8e34 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -316,6 +316,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.c">
+      <Filter>src\core\lib\transport</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
@@ -686,6 +689,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.h">
+      <Filter>src\core\lib\transport</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 2b5613a..6fa2fc6 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -362,6 +362,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\surface\server.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\byte_stream.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\static_metadata.h" />
@@ -389,22 +390,23 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\stream_map.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\transport\varint.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\alpn\alpn.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.h" />
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\load_reporting\load_reporting.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\load_reporting\load_reporting_filter.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\lb_policy\grpclb\grpclb.h" />
@@ -603,6 +605,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata_batch.c">
@@ -667,43 +671,45 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create_posix.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\channel_connectivity.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_plugin.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\default_initial_connect_string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.c">
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.c">
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\dns\native\dns_resolver.c">
     </ClCompile>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index e52425a..6c31f4d 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -265,6 +265,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.c">
+      <Filter>src\core\lib\transport</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\lib\transport\metadata.c">
       <Filter>src\core\lib\transport</Filter>
     </ClCompile>
@@ -361,62 +364,65 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\client\insecure\channel_create_posix.c">
       <Filter>src\core\ext\transport\chttp2\client\insecure</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\channel_connectivity.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\channel_connectivity.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\client_config_plugin.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_plugin.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\connector.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\default_initial_connect_string.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
-    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.c">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.c">
+      <Filter>src\core\ext\client_channel</Filter>
+    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.c">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\resolver\dns\native\dns_resolver.c">
       <Filter>src\core\ext\resolver\dns\native</Filter>
@@ -809,6 +815,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\connectivity_state.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\mdstr_hash_table.h">
+      <Filter>src\core\lib\transport</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\lib\transport\metadata.h">
       <Filter>src\core\lib\transport</Filter>
     </ClInclude>
@@ -890,53 +899,56 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\transport\chttp2\alpn\alpn.h">
       <Filter>src\core\ext\transport\chttp2\alpn</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\client_channel_factory.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\connector.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\http_connect_handshaker.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\initial_connect_string.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_factory.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_registry.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\lb_policy_registry.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\parse_address.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\method_config.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\parse_address.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_factory.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_registry.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_factory.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\resolver_result.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_registry.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\resolver_result.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\subchannel_index.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
-    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\uri_parser.h">
-      <Filter>src\core\ext\client_config</Filter>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\subchannel_index.h">
+      <Filter>src\core\ext\client_channel</Filter>
+    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_channel\uri_parser.h">
+      <Filter>src\core\ext\client_channel</Filter>
     </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\load_reporting\load_reporting.h">
       <Filter>src\core\ext\load_reporting</Filter>
@@ -1028,8 +1040,8 @@
     <Filter Include="src\core\ext\census\gen">
       <UniqueIdentifier>{dfe53168-57b0-3ac4-d8ba-07fd958cc8f5}</UniqueIdentifier>
     </Filter>
-    <Filter Include="src\core\ext\client_config">
-      <UniqueIdentifier>{25fa8af3-0a05-987c-741f-fa8ff9d65d51}</UniqueIdentifier>
+    <Filter Include="src\core\ext\client_channel">
+      <UniqueIdentifier>{2edd1aad-34cf-0c66-e03e-b1b2dd81d9a8}</UniqueIdentifier>
     </Filter>
     <Filter Include="src\core\ext\lb_policy">
       <UniqueIdentifier>{a23781d2-27e4-7cb0-12cd-59782ecb21ce}</UniqueIdentifier>
diff --git a/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj
index 76ac196..e8958bb 100644
--- a/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj
+++ b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\dns_resolver_connectivity_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\resolvers\dns_resolver_connectivity_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters
index e49318d..eb80b8e 100644
--- a/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/dns_resolver_connectivity_test/dns_resolver_connectivity_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\dns_resolver_connectivity_test.c">
-      <Filter>test\core\client_config\resolvers</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\resolvers\dns_resolver_connectivity_test.c">
+      <Filter>test\core\client_channel\resolvers</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,11 +13,11 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{cc06b800-cd26-f7a8-7ecf-ec789e78881b}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config">
-      <UniqueIdentifier>{4fbd5c0a-d1e3-6658-5788-2fc6f2cc9071}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel">
+      <UniqueIdentifier>{0998596f-2aa1-8205-173b-0bd27b7617d1}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config\resolvers">
-      <UniqueIdentifier>{eab637a2-7ac1-f6be-4fc2-c8989c66070b}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel\resolvers">
+      <UniqueIdentifier>{8925594d-dbe2-fee6-1553-d3258d9361da}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj b/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj
index 1f3089b..8337510 100644
--- a/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj
+++ b/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\dns_resolver_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\resolvers\dns_resolver_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj.filters b/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj.filters
index ea6e707..540da55 100644
--- a/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/dns_resolver_test/dns_resolver_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\dns_resolver_test.c">
-      <Filter>test\core\client_config\resolvers</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\resolvers\dns_resolver_test.c">
+      <Filter>test\core\client_channel\resolvers</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,11 +13,11 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{edc57049-e918-50c2-5ba9-04771a506c89}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config">
-      <UniqueIdentifier>{7922598e-4d7b-3a07-85d1-467b736756f6}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel">
+      <UniqueIdentifier>{227838e2-4ac8-f960-68b6-e82cc6e0cefa}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config\resolvers">
-      <UniqueIdentifier>{fb24db82-f42b-3f44-fb9b-b540e8f9c6ab}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel\resolvers">
+      <UniqueIdentifier>{5d51c3a6-a50e-4d84-53b3-44ee7c39f36c}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_nosec_test/h2_fake_resolver_nosec_test.vcxproj
similarity index 74%
copy from vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj
copy to vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_nosec_test/h2_fake_resolver_nosec_test.vcxproj
index 995d60d..3e5f60d 100644
--- a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_nosec_test/h2_fake_resolver_nosec_test.vcxproj
@@ -1,6 +1,5 @@
 <?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>
@@ -20,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{3D3EAEA9-76C4-0CFE-4718-5A1F6B7F72C8}</ProjectGuid>
+    <ProjectGuid>{5C8F9B15-B0D0-54FE-1E54-A53F963D2B2F}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -53,27 +52,20 @@
   </ImportGroup>
   <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
-    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
-    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc++_test</TargetName>
+    <TargetName>h2_fake_resolver_nosec_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="'$(Configuration)'=='Release'">
-    <TargetName>grpc++_test</TargetName>
+    <TargetName>h2_fake_resolver_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Release</Configuration-grpc_dependencies_zlib>
-    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
-    <Configuration-grpc_dependencies_openssl>Release</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
     <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -88,7 +80,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -107,7 +99,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -128,7 +120,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -151,7 +143,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -160,15 +152,24 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\test\server_context_test_spouse.h" />
-  </ItemGroup>
-  <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\test\server_context_test_spouse.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_fake_resolver.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
-      <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_nosec_tests\end2end_nosec_tests.vcxproj">
+      <Project>{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
@@ -178,8 +179,6 @@
   <ImportGroup Label="ExtensionTargets">
   <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
   <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
-  <Import Project="$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.targets" Condition="Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
@@ -187,9 +186,6 @@
     </PropertyGroup>
     <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.10\build\native\grpc.dependencies.zlib.redist.targets')" />
     <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.10\build\native\grpc.dependencies.zlib.targets')" />
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.204.1\build\native\grpc.dependencies.openssl.redist.targets')" />
-    <Error Condition="!Exists('$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '$(SolutionDir)\..\vsprojects\packages\grpc.dependencies.openssl.1.0.204.1\build\native\grpc.dependencies.openssl.props')" />
-    <Error Condition="!Exists('$(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')" />
   </Target>
 </Project>
 
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_nosec_test/h2_fake_resolver_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_nosec_test/h2_fake_resolver_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..fa77558
--- /dev/null
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_nosec_test/h2_fake_resolver_nosec_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="$(SolutionDir)\..\test\core\end2end\fixtures\h2_fake_resolver.c">
+      <Filter>test\core\end2end\fixtures</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{d16c806f-b9ed-2fc4-d125-d2f213d24e94}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{35eb96d1-e1d6-7d4f-1b67-58c90bbafc08}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end">
+      <UniqueIdentifier>{c8a16f5b-264e-c0f0-122b-295477b396f0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end\fixtures">
+      <UniqueIdentifier>{cd25af84-98e8-39f6-6af3-c1a852a54156}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_test/h2_fake_resolver_test.vcxproj
similarity index 89%
rename from vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj
rename to vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_test/h2_fake_resolver_test.vcxproj
index 995d60d..a3977f1 100644
--- a/vsprojects/vcxproj/test/grpc++_test/grpc++_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_test/h2_fake_resolver_test.vcxproj
@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{3D3EAEA9-76C4-0CFE-4718-5A1F6B7F72C8}</ProjectGuid>
+    <ProjectGuid>{085ACF7D-D7CE-A9F1-576D-1AF901409FA4}</ProjectGuid>
     <IgnoreWarnIntDirInTempDetected>true</IgnoreWarnIntDirInTempDetected>
     <IntDir>$(SolutionDir)IntDir\$(MSBuildProjectName)\</IntDir>
   </PropertyGroup>
@@ -53,23 +53,21 @@
   </ImportGroup>
   <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="$(SolutionDir)\..\vsprojects\cpptest.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
-    <Import Project="$(SolutionDir)\..\vsprojects\protobuf.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
     <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc++_test</TargetName>
+    <TargetName>h2_fake_resolver_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc++_test</TargetName>
+    <TargetName>h2_fake_resolver_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>
@@ -88,7 +86,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -107,7 +105,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -128,7 +126,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -151,7 +149,7 @@
       <MinimalRebuild Condition="$(Jenkins)">false</MinimalRebuild>
     </ClCompile>
     <Link>
-      <SubSystem>Windows</SubSystem>
+      <SubSystem>Console</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -160,15 +158,24 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClInclude Include="$(SolutionDir)\..\include\grpc++\test\server_context_test_spouse.h" />
-  </ItemGroup>
-  <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\src\cpp\test\server_context_test_spouse.cc">
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_fake_resolver.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
-      <Project>{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}</Project>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test/end2end/tests\end2end_tests\end2end_tests.vcxproj">
+      <Project>{1F1F9084-2A93-B80E-364F-5754894AFAB4}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
+      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
+      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
+      <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
+    </ProjectReference>
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\gpr\gpr.vcxproj">
+      <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_test/h2_fake_resolver_test.vcxproj.filters b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_test/h2_fake_resolver_test.vcxproj.filters
new file mode 100644
index 0000000..cb68d33
--- /dev/null
+++ b/vsprojects/vcxproj/test/end2end/fixtures/h2_fake_resolver_test/h2_fake_resolver_test.vcxproj.filters
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="$(SolutionDir)\..\test\core\end2end\fixtures\h2_fake_resolver.c">
+      <Filter>test\core\end2end\fixtures</Filter>
+    </ClCompile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{3bb40091-0d52-0156-cc55-ce5f69e612a8}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{cac8fdf8-f489-f1ff-2812-79c47527b524}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end">
+      <UniqueIdentifier>{2fe5cc8d-2908-878f-3b45-50f8c2cfadea}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end\fixtures">
+      <UniqueIdentifier>{f07f474f-9277-9b94-38b7-3f7d0c846fdb}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+
diff --git a/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj b/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj
index 22b364f..b4da019 100644
--- a/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj
+++ b/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\lb_policies_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\lb_policies_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj.filters b/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj.filters
index d606813..362cfab 100644
--- a/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/lb_policies_test/lb_policies_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\lb_policies_test.c">
-      <Filter>test\core\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\lb_policies_test.c">
+      <Filter>test\core\client_channel</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,8 +13,8 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{6e194f4b-ceb1-0e6b-e77a-8149b0411d99}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config">
-      <UniqueIdentifier>{f948fe8f-47f8-fcce-2740-6c390af3c30b}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel">
+      <UniqueIdentifier>{c4b19e85-1a5c-066b-9503-b58971695a58}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/server_context_test_spouse_test/server_context_test_spouse_test.vcxproj b/vsprojects/vcxproj/test/server_context_test_spouse_test/server_context_test_spouse_test.vcxproj
index 8ba7432..9e586c6 100644
--- a/vsprojects/vcxproj/test/server_context_test_spouse_test/server_context_test_spouse_test.vcxproj
+++ b/vsprojects/vcxproj/test/server_context_test_spouse_test/server_context_test_spouse_test.vcxproj
@@ -167,7 +167,7 @@
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>
-    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\test\grpc++_test\grpc++_test.vcxproj">
+    <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++_test\grpc++_test.vcxproj">
       <Project>{3D3EAEA9-76C4-0CFE-4718-5A1F6B7F72C8}</Project>
     </ProjectReference>
     <ProjectReference Include="$(SolutionDir)\..\vsprojects\vcxproj\.\grpc++\grpc++.vcxproj">
diff --git a/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj b/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj
index 5fda720..a438391 100644
--- a/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj
+++ b/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\set_initial_connect_string_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\set_initial_connect_string_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj.filters b/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj.filters
index 8abfa19..4422a3e 100644
--- a/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/set_initial_connect_string_test/set_initial_connect_string_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\set_initial_connect_string_test.c">
-      <Filter>test\core\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\set_initial_connect_string_test.c">
+      <Filter>test\core\client_channel</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,8 +13,8 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{a554b5ef-0c80-ac03-1848-bccd947a06a6}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config">
-      <UniqueIdentifier>{a6c4917f-b1b0-e958-6ea8-34950c2f8f36}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel">
+      <UniqueIdentifier>{4726253c-a562-0ace-2798-996807381208}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj b/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj
index 1062132..8d5d02e 100644
--- a/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj
+++ b/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\sockaddr_resolver_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\resolvers\sockaddr_resolver_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj.filters b/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj.filters
index 50de4b3..aa63da1 100644
--- a/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/sockaddr_resolver_test/sockaddr_resolver_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\resolvers\sockaddr_resolver_test.c">
-      <Filter>test\core\client_config\resolvers</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\resolvers\sockaddr_resolver_test.c">
+      <Filter>test\core\client_channel\resolvers</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,11 +13,11 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{efc6f7cf-eb13-376c-85bb-64fae70baf03}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config">
-      <UniqueIdentifier>{cba53434-a270-8e21-2976-5f7950730eb8}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel">
+      <UniqueIdentifier>{a3fef8b1-3b99-63c9-5f35-feff99af1381}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config\resolvers">
-      <UniqueIdentifier>{79868613-ffd2-ead6-5b23-fc1d8d0709ba}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel\resolvers">
+      <UniqueIdentifier>{d32b4315-4e08-e492-5e10-4dc0c5c8cd55}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>
diff --git a/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj b/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj
index 51c4a27..d5229e0 100644
--- a/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj
+++ b/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj
@@ -158,7 +158,7 @@
   </ItemDefinitionGroup>
 
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\uri_parser_test.c">
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\uri_parser_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
diff --git a/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj.filters b/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj.filters
index e95dd1d..bafab6a 100644
--- a/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/uri_parser_test/uri_parser_test.vcxproj.filters
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="$(SolutionDir)\..\test\core\client_config\uri_parser_test.c">
-      <Filter>test\core\client_config</Filter>
+    <ClCompile Include="$(SolutionDir)\..\test\core\client_channel\uri_parser_test.c">
+      <Filter>test\core\client_channel</Filter>
     </ClCompile>
   </ItemGroup>
 
@@ -13,8 +13,8 @@
     <Filter Include="test\core">
       <UniqueIdentifier>{5e9a3063-bec4-a26c-b10d-13c866d4e639}</UniqueIdentifier>
     </Filter>
-    <Filter Include="test\core\client_config">
-      <UniqueIdentifier>{65156042-def7-b09c-d76e-38ba78456f20}</UniqueIdentifier>
+    <Filter Include="test\core\client_channel">
+      <UniqueIdentifier>{1d9f3085-019b-9673-74b6-55a857b824af}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
 </Project>