menu "DCCP CCIDs Configuration (EXPERIMENTAL)" depends on IP_DCCP && EXPERIMENTAL config IP_DCCP_CCID3 tristate "CCID3 (TFRC) (EXPERIMENTAL)" depends on IP_DCCP ---help--- CCID 3 denotes TCP-Friendly Rate Control (TFRC), an equation-based rate-controlled congestion control mechanism. TFRC is designed to be reasonably fair when competing for bandwidth with TCP-like flows, where a flow is "reasonably fair" if its sending rate is generally within a factor of two of the sending rate of a TCP flow under the same conditions. However, TFRC has a much lower variation of throughput over time compared with TCP, which makes CCID 3 more suitable than CCID 2 for applications such streaming media where a relatively smooth sending rate is of importance. CCID 3 is further described in [CCID 3 PROFILE]. The TFRC congestion control algorithms were initially described in RFC 3448. This text was extracted from draft-ietf-dccp-spec-11.txt. If in doubt, say M. endmenu