Re: [DNSOP] opportunistic refresh and Happy Eyeballs

Paul Vixie <paul@redbarn.org> Tue, 15 August 2017 17:28 UTC

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Date: Tue, 15 Aug 2017 10:28:15 -0700
From: Paul Vixie <paul@redbarn.org>
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To: Jared Mauch <jared@puck.nether.net>
CC: Mikael Abrahamsson <swmike@swm.pp.se>, dnsop@ietf.org
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Subject: Re: [DNSOP] opportunistic refresh and Happy Eyeballs
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Jared Mauch wrote:
>
>> On Aug 15, 2017, at 3:25 AM, Mikael Abrahamsson<swmike@swm.pp.se>
>> wrote:
>>
>> What is the opinion of this wg on that topic?
>
> There has been much discussion about doing away with any/255 and I
> seem to recall some discussion of a ANYA type which would return AAAA
> and A.
>
> This is something I see value in being implemented.

as i've said every few years when this proposal comes up, it's unnec'y.

we can specify that AAAA be sent as additional data for QTYPE=A, and
that A be sent as additional data when QTYPE=AAAA.

given identical deployment curves along both the ANYA and
additional-data timelines, we will get identical results.

-- 
P Vixie