[103608] in North American Network Operators' Group
Re: "Does TCP Need an Overhaul?" (internetevolution, via slashdot)
daemon@ATHENA.MIT.EDU (Marcin Cieslak)
Tue Apr 8 19:12:02 2008
Date: Wed, 09 Apr 2008 01:10:53 +0200
From: Marcin Cieslak <saper@saper.info>
To: nanog@merit.edu
In-Reply-To: <5cb5bcea0804080449o7eb2ae6bka5c18c13d32afc70@mail.gmail.com>
Errors-To: owner-nanog@merit.edu
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Mike Gonnason wrote:
> This might have been mentioned earlier in the thread, but has anyone
> read the paper by Bob Briscoe titled "Flow Rate Fairness:Dismantling a
> Religion"? http://www.cs.ucl.ac.uk/staff/bbriscoe/projects/2020comms/r=
efb/draft-briscoe-tsvarea-fair-02.pdf
> The paper essentially describes the fault in TCP congestion avoidance
> and how P2P applications leverage that flaw to consume as much
> bandwidth as possible. He also proposes that we redefine the mechanism
> we use to determine "fair" resource consumption.=20
>=20
> Any thoughts regarding this?
The problem is that fairness was probably never a design goal of TCP,=20
even with Van Jacobson's congestion avoidance patch.
Bob Briscoe is a member of the IETF Transport Working Group (TSVWG).
This subject got some publicity and politics involved, but please see=20
some real discussion on the TSVWG list, with my favorite answer highlight=
ed:
http://thread.gmane.org/gmane.ietf.tsvwg/5184/focus=3D5199
I recommend some neighboring threads as well:
http://thread.gmane.org/gmane.ietf.tsvwg/5197/focus=3D5214
http://thread.gmane.org/gmane.ietf.tsvwg/5205
--=20
<< Marcin Cieslak // saper@saper.info >>
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