A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : TCP Sendbuffer Advertising
Authors : Alexandru Agache
Costin Raiciu
Filename : draft-agache-tcpm-sndbufadv-00.txt
Pages : 7
Date : 2015-07-19
Abstract:
Network operators have difficulty in understanding the end-to-end
performance of TCP connections through their networks. By observing
packets at different vantage points on their path and maintaining per
flow state, network operators can detect packet losses,
retransmission and estimate RTTs, among other metrics. A key
information needed by networks is whether a connection is limited by
the network or by the application. This information is very
difficult to accurately infer by passive measurements.
We propose to advertise sendbuffer occupancy in TCP: each segment
will carry the amount of backlogged data present in the sender's
buffer. This information allows networks to discern between
application-limited, network-limited and flow-control limited flows,
creating new avenues of network optimization.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-agache-tcpm-sndbufadv/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-agache-tcpm-sndbufadv-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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