From owner-freebsd-net Thu Feb 21 14:40:17 2002 Delivered-To: freebsd-net@freebsd.org Received: from rwcrmhc54.attbi.com (rwcrmhc54.attbi.com [216.148.227.87]) by hub.freebsd.org (Postfix) with ESMTP id BA72E37B402 for ; Thu, 21 Feb 2002 14:40:14 -0800 (PST) Received: from InterJet.elischer.org ([12.232.206.8]) by rwcrmhc54.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20020221224014.CMYA1214.rwcrmhc54.attbi.com@InterJet.elischer.org>; Thu, 21 Feb 2002 22:40:14 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id OAA69723; Thu, 21 Feb 2002 14:27:49 -0800 (PST) Date: Thu, 21 Feb 2002 14:27:48 -0800 (PST) From: Julian Elischer To: Luigi Rizzo Cc: Mike Silbersack , Brian White , freebsd-net@FreeBSD.ORG Subject: Re: SACK (and older TCP stack) availability? In-Reply-To: <20020221134407.B52538@iguana.icir.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org tehn we need to tell teh author.. he seems to want then to be used . I'm sure he'd be reponsive to being told about the problems.. On Thu, 21 Feb 2002, Luigi Rizzo wrote: > On Thu, Feb 21, 2002 at 01:54:20AM +0000, Mike Silbersack wrote: > > > > > I tracked a thread from Aug 2001 in which Harkirat Singh announced his > > > SACK implementation. But, this thread seems to have ended prematurely and > > > grep'ing for SACK in current does not turn up anything interesting. What > > > is it's status? Was the 4.3 SACK diff stable? > > > > I never got time to test it, nor did any other committer I'm aware of. > > If someone were to do some good testing of the patch and post the results, > > that would be highly helpful in getting it on the road to being committed. > > Unadvocated patches ususally don't get committed. > > I actually looked at the patches, and by visual inspection, > they broke the flow for standard TCP connections when SACK > was disabled. This was also verified with TBIT. > So even if the SACK implementation was correct > (which I haven't checked in detail) they are a no-go > unless someone puts significant work on them. > > cheers > luigi > ----------------------------------+----------------------------------------- > Luigi RIZZO, luigi@iet.unipi.it . ICSI (on leave from Univ. di Pisa) > http://www.iet.unipi.it/~luigi/ . 1947 Center St, Berkeley CA 94704 > Phone: (510) 666 2927 > ----------------------------------+----------------------------------------- > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message