From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] RFC2988bis + taking RTT sample from 3WHS for the passive open side Date: Wed, 08 Jun 2011 16:59:36 -0700 (PDT) Message-ID: <20110608.165936.858380505498163552.davem@davemloft.net> References: <1307576361.3980.26.camel@edumazet-laptop> <20110608.164433.1248144748353908346.davem@davemloft.net> <1307577470.8149.3096.camel@tardy> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: eric.dumazet@gmail.com, hkchu@google.com, hagen@jauu.net, tsunanet@gmail.com, netdev@vger.kernel.org To: rick.jones2@hp.com Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:58717 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755372Ab1FHX7o convert rfc822-to-8bit (ORCPT ); Wed, 8 Jun 2011 19:59:44 -0400 In-Reply-To: <1307577470.8149.3096.camel@tardy> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: Rick Jones Date: Wed, 08 Jun 2011 16:57:50 -0700 > On Wed, 2011-06-08 at 16:44 -0700, David Miller wrote: >> From: Eric Dumazet >> Date: Thu, 09 Jun 2011 01:39:21 +0200 >>=20 >> > Le mercredi 08 juin 2011 =E0 15:26 -0700, Jerry Chu a =E9crit : >> >> It just occurred to me now that initRTO is being reduced, both TC= P_SYN_RETRIES >> >> and TCP_SYNACK_RETRIES should be bumped up a bit, to e.g., 7 (?) = to meet the >> >> 3 minutes R2 requirement per RFC1122. >> >>=20 >> >> If you agree, I will submit another patch. >> >=20 >> > Good catch, but no RFC lowered yet this 3 minutes requirement ? >>=20 >> I host my email on other planets, please do not break this. >=20 > As the RTT to Mars is a minimum of 500 seconds and a maximum of 2500, > and a minimum of 276 seconds for Venus, your software must already be > successfully dealing with TCP connection timeouts less than the RTT t= o > the planets nearest to Earth, so there should be no need to maintain = 3 > minutes anyway :) This just proves that the stickler for details can ruin any joke, sigh.= =2E. :-)