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Re: [sunset4] I-D Action: draft-ietf-sunset4-gapanalysis-08.txt

JORDI PALET MARTINEZ <jordi.palet@consulintel.es> Tue, 27 June 2017 07:18 UTC

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Date: Tue, 27 Jun 2017 09:17:45 +0200
From: JORDI PALET MARTINEZ <jordi.palet@consulintel.es>
To: sunset4@ietf.org
Message-ID: <29C17838-52F8-4ECF-A03D-B5137220FF08@consulintel.es>
Thread-Topic: [sunset4] I-D Action: draft-ietf-sunset4-gapanalysis-08.txt
References: <149849684615.18420.14124996388059665238@ietfa.amsl.com> <8567A66E-28E0-4B52-95A8-371B6100622B@consulintel.es> <ff52f417-46e1-e3ad-b7dc-55ed05479202@gaspard.io>
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Subject: Re: [sunset4] I-D Action: draft-ietf-sunset4-gapanalysis-08.txt
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I’m suggesting the other way around, making sure that IPv6 always get the preference by making HE to allow IPv6 even if is much slower than IPv4 … because IPv4 is going to be turned down.

Regards,
Jordi
 

-----Mensaje original-----
De: sunset4 <sunset4-bounces@ietf.org> en nombre de Leo Gaspard <leo@gaspard.io>
Responder a: <leo@gaspard.io>
Fecha: martes, 27 de junio de 2017, 0:42
Para: <sunset4@ietf.org>
Asunto: Re: [sunset4] I-D Action: draft-ietf-sunset4-gapanalysis-08.txt

    On 06/26/2017 08:05 PM, JORDI PALET MARTINEZ wrote:
    > Regarding the different issues that are indicated because Happy Eyeballs, a possible solution is to increase the timers, so even if IPv6 is “slower” than IPv4, is not just a matter of 50 milliseconds (for example), but several seconds, so then IPv6 will get preference anyway. I’ve described this in a recent email related to the HE-update document (so you could use some of the text that I mention in that email):
    
    Please be careful about this (for problem 6): I've already seen people
    advising to "just disable IPv6 to get a speed boost." If the timeout is
    going to slow down to several seconds, this may make more people switch
    to using IPv4 only, which would be the complete opposite of the objective.
    
    Sure, you also consider making this setting a knob, but people may go
    the easiest already known way, because "well, who cares about IPv6 anyway?"
    
    Then, all this depends on the proportion of the internet that is already
    quickly IPv6-reachable, but if there is a problem to solve, it can only
    be solved by making IPv4 slower when IPv6 is enabled... which sounds
    like a bad idea to me so long as IPv4's sunset (or IPv6's rise?) isn't
    complete yet (at which point this solution is no longer needed anyway).
    
    Best regards,
    Leo
    
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