A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Datagram Congestion Control Protocol Working Group of the IETF.
Title : TCP Friendly Rate Control (TFRC) for Voice:
VoIP Variant and Faster Restart
Author(s) : S. Floyd, E. Kohler
Filename : draft-ietf-dccp-tfrc-voip-00.txt
Pages : 17
Date : 2005-1-10
TCP-Friendly Rate Control (TFRC) is a congestion control mechanism
for unicast flows operating in a best-effort Internet environment
[RFC 3448]. This document adds a VoIP variant to TFRC. TFRC was
intended for applications that use a fixed packet size, and was
designed to be reasonably fair when competing for bandwidth with TCP
connections using the same packet size. The VoIP variant of TFRC is
designed for applications that send small packets, where the design
goal is to achieve the same bandwidth in bps as a TCP flow using
1500-byte data packets. The VoIP variant of TFRC enforces a Min
Interval of 10 ms between data packets, to prevent a single flow
from sending small packets arbitrarily frequently. This document
also introduces faster restart, a mechanism for safely improving the
behavior of interactive flows that use TFRC.
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