From: David Miller <davem@davemloft.net>
To: ilpo.jarvinen@helsinki.fi
Cc: damon@damtek.com, netdev@vger.kernel.org
Subject: Re: Fix FRTO+NewReno problem
Date: Tue, 13 May 2008 02:49:15 -0700 (PDT) [thread overview]
Message-ID: <20080513.024915.161125347.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.64.0805130958001.14510@wrl-59.cs.helsinki.fi>
From: "Ilpo_Järvinen" <ilpo.jarvinen@helsinki.fi>
Date: Tue, 13 May 2008 12:42:03 +0300 (EEST)
> On Mon, 12 May 2008, David Miller wrote:
>
> > If I understand correctly, it is only non-SACK newreno case that can
> > get the unnecessary retransmissions, right? If so, it's not a big
> > deal at all.
>
> No, also SACK could get at least one quite easily if TCP has a small
> window, to get two of them with SACK one needs to have a stranger case
> unless I missed something. If I just remove that forward transmission LOST
> marking avoidance unconditionally, it fixes that SACKFRTO window of
> failure too which was a pending thing to fix :-).
Ok.
> Btw, the first two fixes (workaround was not included) also fixed bugzilla
> #10063, I just got a confirmation about that as well.
>
> I'll send the two patches still pending separately in a minute.
Thank you.
next prev parent reply other threads:[~2008-05-13 9:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <48207F06.50306@damtek.com>
[not found] ` <Pine.LNX.4.64.0805061912350.8965@wrl-59.cs.helsinki.fi>
[not found] ` <4821C37A.7040306@damtek.com>
2008-05-07 22:26 ` Fix FRTO+NewReno problem (Was: Re: This has a work around) Ilpo Järvinen
2008-05-08 8:10 ` Fix FRTO+NewReno problem David Miller
2008-05-08 16:50 ` Bug#478062: Fix FRTO+NewReno problem (Was: Re: This has a work around) Damon L. Chesser
2008-05-08 17:05 ` Damon L. Chesser
2008-05-08 18:16 ` Damon L. Chesser
2008-05-08 20:42 ` Ilpo Järvinen
2008-05-12 10:08 ` Ilpo Järvinen
[not found] ` <4828279C.3010102@damtek.com>
2008-05-12 11:32 ` Ilpo Järvinen
2008-05-12 11:55 ` Damon L. Chesser
2008-05-12 12:07 ` Ilpo Järvinen
2008-05-12 13:44 ` Damon L. Chesser
2008-05-12 14:35 ` Ilpo Järvinen
2008-05-12 16:40 ` Ilpo Järvinen
2008-05-12 17:02 ` Damon L. Chesser
2008-05-12 18:23 ` Ilpo Järvinen
2008-05-12 18:39 ` Damon L. Chesser
2008-05-12 19:12 ` Ilpo Järvinen
2008-05-12 19:18 ` Damon L. Chesser
2008-05-12 19:25 ` Ilpo Järvinen
2008-05-12 22:48 ` Fix FRTO+NewReno problem David Miller
2008-05-13 9:42 ` Ilpo Järvinen
2008-05-13 9:49 ` David Miller [this message]
2008-05-13 10:04 ` Ilpo Järvinen
2008-05-13 10:08 ` David Miller
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