netdev - Re: [PATCH] tcp: avoid cwnd moderation in undo

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Date:	Tue, 15 Mar 2011 19:50:51 +0100
From:	Alexander Zimmermann <alexander.zimmermann@...sys.rwth-aachen.de>
To:	John Heffner <johnwheffner@...il.com>
Cc:	Carsten Wolff <carsten@...ffcarsten.de>,
	Yuchung Cheng <ycheng@...gle.com>,
	David Miller <davem@...emloft.net>,
	Ilpo Jarvinen <ilpo.jarvinen@...sinki.fi>,
	Nandita Dukkipati <nanditad@...gle.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] tcp: avoid cwnd moderation in undo

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Hi John,

Am 15.03.2011 um 11:50 schrieb John Heffner:

> 
> While I'm adding to my wish list ;-), I will also say that the undo
> logic seems unnecessarily complicated.  If you expect you might have
> to undo what you just did, why not wait a bit?  Something like rfc4653
> seems like it might be a better approach and might make the cwnd
> moderation discussion moot.
> 

actually, our group (including Carsten) implemented RFC4653 for Linux.
At the moment, we run our final measurements. However, since I leave
the university, the work is not making much progress. Nevertheless I
I hope that we can finish this in the next couple of months. Besides the
Linux patch, we will bring an rfc4653bis as well as a reordering detection
draft to tcpm.

Alex 


//
// Dipl.-Inform. Alexander Zimmermann
// Department of Computer Science, Informatik 4
// RWTH Aachen University
// Ahornstr. 55, 52056 Aachen, Germany
// phone: (49-241) 80-21422, fax: (49-241) 80-22222
// email: zimmermann@...rwth-aachen.de
// web: http://www.umic-mesh.net
//

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