Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Feb 2003 11:01:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Feb 2003 11:01:54 -0500 Received: from [81.2.122.30] ([81.2.122.30]:63238 "EHLO darkstar.example.net") by vger.kernel.org with ESMTP id ; Mon, 3 Feb 2003 11:01:54 -0500 From: John Bradford Message-Id: <200302031611.h13GBl9D019119@darkstar.example.net> Subject: Re: problems achieving decent throughput with latency. To: cfriesen@nortelnetworks.com (Chris Friesen) Date: Mon, 3 Feb 2003 16:11:46 +0000 (GMT) Cc: davem@redhat.com, ahu@ds9a.nl, greearb@candelatech.com, linux-kernel@vger.kernel.org In-Reply-To: <3E3E8CAC.7010807@nortelnetworks.com> from "Chris Friesen" at Feb 03, 2003 10:37:16 AM X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 596 Lines: 16 > > TCP can only send into a pipe as fast as it can see the > > ACKs coming back. That is how TCP clocks its sending rate, > > and latency thus affects that. > > Wouldn't you just need larger windows? The problem is latency, not > bandwidth. Exactly - the original post says that no problems are experienced using UDP, which backs that up. John. - 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/