I-D Action:draft-kojo-tcpm-frto-eval-01.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : Evaluation of RFC 4138
	Author(s)       : M. Kojo, et al.
	Filename        : draft-kojo-tcpm-frto-eval-01.txt
	Pages           : 18
	Date            : 2007-11-19

Forward-RTO recovery (F-RTO) specified in RFC 4138 is an algorithm
 for detecting a spurious retransmission timeout with TCP and SCTP.
 This document describes the advantages of F-RTO and summarizes the
 experience in its implementations and the experiments conducted with
 it. By analyzing the implications of the spurious retransmission
 timeouts on the regular RTO recovery and Forward-RTO recovery
 algorithm, including a detailed corner case analysis, it shows that
 F-RTO does not have negative impact on the network when used with an
 appropriate response algorithm even in the rare cases where F-RTO
 falsely declares a retransmission timeout spurious. It concludes
 with a recommendation that F-RTO is to be advanced to the standards
 track.

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