Date: Fri, 13 Jul 2001 09:52:28 -0500 From: Dan Nelson <dnelson@emsphone.com> To: Leo Bicknell <bicknell@ufp.org> Cc: Paul Robinson <paul@akita.co.uk>, Julian Elischer <julian@elischer.org>, freebsd-hackers@FreeBSD.ORG Subject: Re: Network performance tuning. Message-ID: <20010713095228.C222@dan.emsphone.com> In-Reply-To: <20010712210944.A73446@ussenterprise.ufp.org> References: <20010711195021.A89324@ussenterprise.ufp.org> <Pine.BSF.4.21.0107111904220.60496-100000@InterJet.elischer.org> <20010712175539.B93119@jake.akitanet.co.uk> <20010712210944.A73446@ussenterprise.ufp.org>
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In the last episode (Jul 12), Leo Bicknell said: > On Thu, Jul 12, 2001 at 05:55:39PM +0100, Paul Robinson wrote: > > When I asked about SACK about 18 months ago (IIRC), the general > > consensus was that it was a pile of crap, and that FBSD SHOULDN'T > > implement it if possible. I however, agree that there are a lot of > > things in SACK that would massively benefit FBSD's net performance. Considering that w2k and Linux both have sack enabled by default, it's not going away. Do you have a link to the thread that says sack doesn't help? > Does anyone know if Luigi's patches at > http://www.iet.unipi.it/~luigi/sack.html ever got wider use than his > own testing? It looks like it was written some time ago, and if > people have been running it since then there might be some real world > data. It was for 2.1.6, but I had patches to make it work on 2.2.* and 3.0, but then the TCP stack changed enough that I couldn't keep it working. I didn't have any problems with it in the couple of years I had it on my system. There was a post in June on the -net mailinglist from a guy that is working on getting SACK into -STABLE, so there's hope yet. -- Dan Nelson dnelson@emsphone.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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