path: root/net/dccp/ccids/Kconfig
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+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.