From owner-freebsd-net@FreeBSD.ORG Thu Nov 17 18:02:45 2005 Return-Path: X-Original-To: net@FreeBSD.org Delivered-To: freebsd-net@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9A74E16A41F; Thu, 17 Nov 2005 18:02:45 +0000 (GMT) (envelope-from tataz@tataz.chchile.org) Received: from smtp5-g19.free.fr (smtp5-g19.free.fr [212.27.42.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4313D43D45; Thu, 17 Nov 2005 18:02:44 +0000 (GMT) (envelope-from tataz@tataz.chchile.org) Received: from tatooine.tataz.chchile.org (vol75-8-82-233-239-98.fbx.proxad.net [82.233.239.98]) by smtp5-g19.free.fr (Postfix) with ESMTP id 5423997F4; Thu, 17 Nov 2005 19:02:43 +0100 (CET) Received: by tatooine.tataz.chchile.org (Postfix, from userid 1000) id D8CDA405A; Thu, 17 Nov 2005 19:02:17 +0100 (CET) Date: Thu, 17 Nov 2005 19:02:17 +0100 From: Jeremie Le Hen To: Robert Watson Message-ID: <20051117180217.GM5197@obiwan.tataz.chchile.org> References: <20051110132309.A68007@fledge.watson.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051110132309.A68007@fledge.watson.org> User-Agent: Mutt/1.5.11 Cc: net@FreeBSD.org Subject: Re: TCP inflight (was: Re: Poor Samba throughput on 6.0 (fwd)) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Nov 2005 18:02:45 -0000 Hi, Robert, > I've seen a number of reports that TCP inflight data limiting is > substantially impacting performance on high bandwidth, low latency > networks. Not knowing much about it, I figured I'd post on net@ and see > if anyone here is interested in taking a look at some of the reports > (they're easy to find in the mailing list archives) and investigating how > to fix them. FWIW, Alexander Leidinger pointed out in this very thread [1] that Matt Dillon proposed a patch for DragonFlyBSD and that it would be interesting to test it, but nobody has taken care of this yet. Best regards, http://lists.freebsd.org/pipermail/freebsd-performance/2005-November/001654.html -- Jeremie Le Hen < jeremie at le-hen dot org >< ttz at chchile dot org >