netdev - Re: [PATCH] tcp: Increase the initial congestion window to 10.

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Message-ID: <alpine.DEB.2.00.1102040027060.25125@melkinpaasi.cs.helsinki.fi>
Date:	Fri, 4 Feb 2011 00:43:05 +0200 (EET)
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	David Miller <davem@...emloft.net>
cc:	Netdev <netdev@...r.kernel.org>, therbert@...gle.com,
	"H.K. Jerry Chu" <hkjerry.chu@...il.com>
Subject: Re: [PATCH] tcp: Increase the initial congestion window to 10.

It would perhaps be useful to change receiver advertized window to include 
some extra segs initially. It should be >= IW + peer's dupThresh-1 as 
otherwise limited transmit won't work for the initial window because we 
won't open more receiver window with dupacks (IIRC, I suppose Jerry might 
be able to correct me right away if I'm wrong and we open window with 
dupacks too?).  I think initial receiver window code used to have some 
surplus but it was broken by the rfc3390-func conversion (against my 
advice on how to do the conversion).

-- 
 i.
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