I-D Action:draft-floyd-tcpm-ackcc-06.txt

Internet-Drafts@ietf.org Sat, 04 July 2009 22:30 UTC

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Subject: I-D Action:draft-floyd-tcpm-ackcc-06.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : Adding Acknowledgement Congestion Control to TCP
	Author(s)       : S. Floyd
	Filename        : draft-floyd-tcpm-ackcc-06.txt
	Pages           : 36
	Date            : 2009-07-04

This document describes a possible congestion control mechanism for
acknowledgement traffic (ACKs) in TCP.  The document specifies an
end-to-end acknowledgement congestion control mechanism for TCP that
uses participation from both TCP hosts, the TCP data sender and the
TCP data receiver.  The TCP data sender detects lost or ECN-marked
ACK packets, and tells the TCP data receiver the ACK Ratio R to use
to respond to the congestion on the reverse path from the data
receiver to the data sender.  The TCP data receiver sends roughly one
ACK packet for every R data packets received.  This mechanism is
based on the acknowledgement congestion control in DCCP's CCID 2.
This acknowledgement congestion control mechanism is being specified
for further evaluation by the network community.

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