netdev - Re: [PATCH] RFC2988bis + taking RTT sample from 3WHS for the passive open side

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Message-Id: <20110608.165936.858380505498163552.davem@davemloft.net>
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...
:-)
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