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Date: Wed, 08 Jun 2011 16:59:36 -0700 (PDT) From: David Miller <davem@...emloft.net> To: rick.jones2@...com Cc: eric.dumazet@...il.com, hkchu@...gle.com, hagen@...u.net, tsunanet@...il.com, netdev@...r.kernel.org Subject: Re: [PATCH] RFC2988bis + taking RTT sample from 3WHS for the passive open side From: Rick Jones <rick.jones2@...com> Date: Wed, 08 Jun 2011 16:57:50 -0700 > On Wed, 2011-06-08 at 16:44 -0700, David Miller wrote: >> From: Eric Dumazet <eric.dumazet@...il.com> >> Date: Thu, 09 Jun 2011 01:39:21 +0200 >> >> > Le mercredi 08 juin 2011 à 15:26 -0700, Jerry Chu a écrit : >> >> It just occurred to me now that initRTO is being reduced, both TCP_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. >> >> >> >> If you agree, I will submit another patch. >> > >> > Good catch, but no RFC lowered yet this 3 minutes requirement ? >> >> I host my email on other planets, please do not break this. > > 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 to > 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... :-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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