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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.
endmenu
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