| Kees Cook | 95148a0 | 2012-10-02 11:19:43 -0700 | [diff] [blame] | 1 | menu "DCCP CCIDs Configuration" |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 2 | |
| Andrea Bittau | 8d424f6 | 2006-09-19 13:12:44 -0700 | [diff] [blame] | 3 | config IP_DCCP_CCID2_DEBUG |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 4 | bool "CCID-2 debugging messages" |
| 5 | ---help--- |
| 6 | Enable CCID-2 specific debugging messages. |
| Gerrit Renker | 8411671 | 2006-11-20 18:26:03 -0200 | [diff] [blame] | 7 | |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 8 | The debugging output can additionally be toggled by setting the |
| 9 | ccid2_debug parameter to 0 or 1. |
| Andrea Bittau | 8d424f6 | 2006-09-19 13:12:44 -0700 | [diff] [blame] | 10 | |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 11 | If in doubt, say N. |
| Andrea Bittau | 8d424f6 | 2006-09-19 13:12:44 -0700 | [diff] [blame] | 12 | |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 13 | config IP_DCCP_CCID3 |
| Kees Cook | 95148a0 | 2012-10-02 11:19:43 -0700 | [diff] [blame] | 14 | bool "CCID-3 (TCP-Friendly)" |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 15 | def_bool y if (IP_DCCP = y || IP_DCCP = m) |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 16 | ---help--- |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 17 | CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 18 | rate-controlled congestion control mechanism. TFRC is designed to |
| 19 | be reasonably fair when competing for bandwidth with TCP-like flows, |
| 20 | where a flow is "reasonably fair" if its sending rate is generally |
| 21 | within a factor of two of the sending rate of a TCP flow under the |
| 22 | same conditions. However, TFRC has a much lower variation of |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 23 | throughput over time compared with TCP, which makes CCID-3 more |
| 24 | suitable than CCID-2 for applications such streaming media where a |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 25 | relatively smooth sending rate is of importance. |
| 26 | |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 27 | CCID-3 is further described in RFC 4342, |
| Gerrit Renker | 0e64e94 | 2006-10-24 16:17:51 -0700 | [diff] [blame] | 28 | http://www.ietf.org/rfc/rfc4342.txt |
| Andrea Bittau | 2a91aa3 | 2006-03-20 17:41:47 -0800 | [diff] [blame] | 29 | |
| 30 | The TFRC congestion control algorithms were initially described in |
| Gerrit Renker | 4dbc242 | 2009-01-11 00:17:22 -0800 | [diff] [blame] | 31 | RFC 5348. |
| Andrea Bittau | 2a91aa3 | 2006-03-20 17:41:47 -0800 | [diff] [blame] | 32 | |
| Gerrit Renker | 0e64e94 | 2006-10-24 16:17:51 -0700 | [diff] [blame] | 33 | This text was extracted from RFC 4340 (sec. 10.2), |
| 34 | http://www.ietf.org/rfc/rfc4340.txt |
| Gerrit Renker | 8411671 | 2006-11-20 18:26:03 -0200 | [diff] [blame] | 35 | |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 36 | If in doubt, say N. |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 37 | |
| Gerrit Renker | 56724aa | 2006-11-20 18:28:09 -0200 | [diff] [blame] | 38 | config IP_DCCP_CCID3_DEBUG |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 39 | bool "CCID-3 debugging messages" |
| 40 | depends on IP_DCCP_CCID3 |
| 41 | ---help--- |
| 42 | Enable CCID-3 specific debugging messages. |
| Gerrit Renker | 56724aa | 2006-11-20 18:28:09 -0200 | [diff] [blame] | 43 | |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 44 | The debugging output can additionally be toggled by setting the |
| 45 | ccid3_debug parameter to 0 or 1. |
| Gerrit Renker | 56724aa | 2006-11-20 18:28:09 -0200 | [diff] [blame] | 46 | |
| Gerrit Renker | ddebc97 | 2009-01-04 21:42:53 -0800 | [diff] [blame] | 47 | If in doubt, say N. |
| Gerrit Renker | 8a508ac | 2006-12-03 14:50:23 -0200 | [diff] [blame] | 48 | |
| Gerrit Renker | c40616c | 2007-12-06 12:26:38 -0200 | [diff] [blame] | 49 | config IP_DCCP_TFRC_LIB |
| Gerrit Renker | 129fa44 | 2009-01-04 21:45:33 -0800 | [diff] [blame] | 50 | def_bool y if IP_DCCP_CCID3 |
| Gerrit Renker | c40616c | 2007-12-06 12:26:38 -0200 | [diff] [blame] | 51 | |
| 52 | config IP_DCCP_TFRC_DEBUG |
| Gerrit Renker | 129fa44 | 2009-01-04 21:45:33 -0800 | [diff] [blame] | 53 | def_bool y if IP_DCCP_CCID3_DEBUG |
| Arnaldo Carvalho de Melo | 7c65787 | 2005-08-09 20:14:34 -0700 | [diff] [blame] | 54 | endmenu |