Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263278AbUJ2A7G (ORCPT ); Thu, 28 Oct 2004 20:59:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263248AbUJ2A6N (ORCPT ); Thu, 28 Oct 2004 20:58:13 -0400 Received: from smtp3.akamai.com ([63.116.109.25]:23037 "EHLO smtp3.akamai.com") by vger.kernel.org with ESMTP id S263255AbUJ2Azx (ORCPT ); Thu, 28 Oct 2004 20:55:53 -0400 Message-ID: <41819514.C25D7A51@akamai.com> Date: Thu, 28 Oct 2004 17:55:48 -0700 From: Prasanna Meda X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.2.16-3 i686) X-Accept-Language: en MIME-Version: 1.0 To: "David S. Miller" CC: linux-kernel@vger.kernel.org, netdev@oss.sgi.com, davem@redhat.com Subject: Re: rcv_wnd = init_cwnd*mss References: <20041028165658.753eee50.davem@davemloft.net> 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: 963 Lines: 31 "David S. Miller" wrote: > On Wed, 27 Oct 2004 23:15:48 -0700 > "Meda, Prasanna" wrote: > > > Thanks, still it is unclear to me why are we > > downsizing the advertised window(rcv_wnd) to cwnd? > > To defeat disobeying sender, or something like below? > > There is never any reason to advertise a receive window > larger than the initial congestion window of the sender > could ever be. > > Setting it properly like this also makes sure that we do > receive window update events at just the right place as > the sender starts sending us the initial data frames. That makes sense! But are we coping with cwnd increase on sender? Looks rcv rwnd s updated by only 1 pkt at time. Thanks, Prasanna. - 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/