1menu "DCCP CCIDs Configuration (EXPERIMENTAL)" 2 depends on IP_DCCP && EXPERIMENTAL 3 4config IP_DCCP_CCID3 5 tristate "CCID3 (TFRC) (EXPERIMENTAL)" 6 depends on IP_DCCP 7 ---help--- 8 CCID 3 denotes TCP-Friendly Rate Control (TFRC), an equation-based 9 rate-controlled congestion control mechanism. TFRC is designed to 10 be reasonably fair when competing for bandwidth with TCP-like flows, 11 where a flow is "reasonably fair" if its sending rate is generally 12 within a factor of two of the sending rate of a TCP flow under the 13 same conditions. However, TFRC has a much lower variation of 14 throughput over time compared with TCP, which makes CCID 3 more 15 suitable than CCID 2 for applications such streaming media where a 16 relatively smooth sending rate is of importance. 17 18 CCID 3 is further described in [CCID 3 PROFILE]. The TFRC 19 congestion control algorithms were initially described in RFC 3448. 20 21 This text was extracted from draft-ietf-dccp-spec-11.txt. 22 23 If in doubt, say M. 24 25config IP_DCCP_TFRC_LIB 26 depends on IP_DCCP_CCID3 27 def_tristate IP_DCCP_CCID3 28 29endmenu 30