Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262980AbTIAQ3n (ORCPT ); Mon, 1 Sep 2003 12:29:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262969AbTIAQ3n (ORCPT ); Mon, 1 Sep 2003 12:29:43 -0400 Received: from pc1-cwma1-5-cust4.swan.cable.ntl.com ([80.5.120.4]:24264 "EHLO dhcp23.swansea.linux.org.uk") by vger.kernel.org with ESMTP id S262980AbTIAQ3a (ORCPT ); Mon, 1 Sep 2003 12:29:30 -0400 Subject: Re: bandwidth for bkbits.net (good news) From: Alan Cox To: Andrea Arcangeli Cc: Larry McVoy , Larry McVoy , Pascal Schmidt , Linux Kernel Mailing List In-Reply-To: <20030901161316.GH11503@dualathlon.random> References: <20030831163350.GY24409@dualathlon.random> <20030831164802.GA12752@work.bitmover.com> <20030831170633.GA24409@dualathlon.random> <20030831211855.GB12752@work.bitmover.com> <20030831224938.GC24409@dualathlon.random> <1062370358.12058.8.camel@dhcp23.swansea.linux.org.uk> <20030831230219.GD24409@dualathlon.random> <20030831230728.GA4918@work.bitmover.com> <20030831232224.GF24409@dualathlon.random> <1062416635.13372.17.camel@dhcp23.swansea.linux.org.uk> <20030901161316.GH11503@dualathlon.random> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1062433710.14254.7.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.4 (1.4.4-4) Date: Mon, 01 Sep 2003 17:28:31 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 17 On Llu, 2003-09-01 at 17:13, Andrea Arcangeli wrote: > > Each ACK that has caused previous delays generally opens up a 64K window > > so you get bursts of data incoming. A sequence of acks can cause the > > the congestion avoidance shouldn't allow what you say. It sends a few > packets immediatly (cwnd starts > 1 recently), and that's why > non-keepalive connections are bad, but after that the congestion window > will remain low if we drop the packets. You may trigger fast retransmit patterns. Thats why you have to bend the window. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/