A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the TCP Maintenance and Minor Extensions Working Group of the IETF.
Title : Datacenter TCP (DCTCP): TCP Congestion Control for Datacenters
Authors : Stephen Bensley
Lars Eggert
Dave Thaler
Praveen Balasubramanian
Glenn Judd
Filename : draft-ietf-tcpm-dctcp-01.txt
Pages : 14
Date : 2015-11-01
Abstract:
This informational memo describes Datacenter TCP (DCTCP), an
improvement to TCP congestion control for datacenter traffic. DCTCP
uses improved Explicit Congestion Notification (ECN) processing to
estimate the fraction of bytes that encounter congestion, rather than
simply detecting that some congestion has occurred. DCTCP then
scales the TCP congestion window based on this estimate. This method
achieves high burst tolerance, low latency, and high throughput with
shallow-buffered switches. This memo also discusses deployment
issues related to the coexistence of DCTCP and conventional TCP, the
lack of a negotiating mechanism between sender and receiver, and
presents some possible mitigations.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-tcpm-dctcp/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-tcpm-dctcp-01
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-tcpm-dctcp-01
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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