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Date: Sat, 5 Apr 2008 00:33:00 +0300 (EEST)
From: "Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To: Wenji Wu <wenji@...l.gov>
cc: 'John Heffner' <johnwheffner@...il.com>,
'Netdev' <netdev@...r.kernel.org>
Subject: RE: A Linux TCP SACK Question
On Fri, 4 Apr 2008, Wenji Wu wrote:
>
> >I'd suggest that you don't waste too much effort for 2.6.24. ...Most of it
> >is recoded/updated since then.
>
> I just tried it on 2.6.25-rc8. The result is still the same: the throughput
> with SACK on is less than with SACK off.
Hmm, can you also try if playing around with FRTO setting makes some
difference (tcp_frto sysctl)?
--
i.
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