From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Jones Subject: Re: TCP packet size and delivery packet decisions Date: Tue, 07 Sep 2010 09:57:33 -0700 Message-ID: <4C866EFD.4060404@hp.com> References: <20100906.221644.123986391.davem@davemloft.net> <20100906.223010.173858342.davem@davemloft.net> <1283859552.2338.402.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: David Miller , leandroal@gmail.com, netdev@vger.kernel.org, =?ISO-8859-1?Q?Ilpo_J=E4rvinen?= To: Eric Dumazet Return-path: Received: from g6t0184.atlanta.hp.com ([15.193.32.61]:2253 "EHLO g6t0184.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758058Ab0IGQ5h (ORCPT ); Tue, 7 Sep 2010 12:57:37 -0400 In-Reply-To: <1283859552.2338.402.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: > Is there a hard requirement about segment size being at most half the > window ? In the deep, dark, past of other stacks, there were concerns about devolving into stop-start. I suppose from a theoretical standpoint, there is a chance that MSS==window, coupled with immediate ACKnowledgement on the receiver could send zero windows that might elicit undesirable probes? rick jones