A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Using the TCP Echo Option for Spurious Retransmission Detection
Authors : Alexander Zimmermann
Richard Scheffenegger
Filename : draft-zimmermann-tcpm-spurious-rxmit-00.txt
Pages : 15
Date : 2015-07-20
Abstract:
The Spurious Retransmission Detection (SRD) algorithm allows a TCP
sender to always detect if it has entered loss recovery
unnecessarily. It requires that both the TCP Echo option defined in
[I-D.zimmermann-tcpm-echo-option], and the SACK option [RFC2018] be
enabled for a connection. The SRD algorithm makes use of the fact
that the TCP Echo option, used in conjunction with the SACK feedback,
can be used to completely eliminate the retransmission ambiguity in
TCP. Based on the reflected data contained in the first acceptable
ACK that arrives during loss recovery, it decides whether loss
recovery was entered unnecessarily. The SRD mechanism further
enables improvements in loss recovery. This includes a TCP
enhancement to detect and quickly resend lost retransmissions.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-zimmermann-tcpm-spurious-rxmit/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-zimmermann-tcpm-spurious-rxmit-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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