From: Eddie Kohler <kohler@cs.ucla.edu>
To: dccp@vger.kernel.org
Subject: Re: [PATCH 2/2]: Use `unsigned' for packet lengths
Date: Tue, 28 Nov 2006 21:19:48 +0000 [thread overview]
Message-ID: <456CA7F4.2010502@cs.ucla.edu> (raw)
In-Reply-To: <200611281435.05466@strip-the-willow>
> | > Would really appreciate if you could at some time have a look at the moving-average patch. Have communicated
> | > with Eddie again about it, and using MSS would at the moment be much more complicated.
> | >
> | Will look at it tomorrow (along with performance testing existing
> | changes in tree) as meant to be preparing coursework and working on
> | PhD today.... Agree MSS is problematic at present without PMTU.
I guess I don't understand why using MSS is problematic for congestion
control; since assuming that s=MSS causes s to drop out of all congestion
control equations, returning them to packet-based CC. One could therefore set
"s=ANY_ARBITRARY_VALUE" and get the same result. Ah, well! Yes, providing
lots of options is harder for users than providing the one right answer, but
we just don't know what that right answer is. It will be interesting to see
how the moving-average patch actually behaves in practice; the Internet has
much more experience with s=MSS/packet-based CC.
Eddie
next prev parent reply other threads:[~2006-11-28 21:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-28 14:35 [PATCH 2/2]: Use `unsigned' for packet lengths Gerrit Renker
2006-11-28 19:34 ` Ian McDonald
2006-11-28 19:41 ` Gerrit Renker
2006-11-28 19:49 ` Ian McDonald
2006-11-28 20:04 ` Gerrit Renker
2006-11-28 20:17 ` Ian McDonald
2006-11-28 20:27 ` Arnaldo Carvalho de Melo
2006-11-28 20:31 ` Gerrit Renker
2006-11-28 20:37 ` Arnaldo Carvalho de Melo
2006-11-28 20:53 ` Gerrit Renker
2006-11-28 21:01 ` Ian McDonald
2006-11-28 21:19 ` Eddie Kohler [this message]
2006-11-28 21:56 ` Gerrit Renker
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