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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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