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Re: [DNSOP] abandoning ANAME and standardizing CNAME at apex

Tony Finch <dot@dotat.at> Mon, 25 June 2018 13:59 UTC

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Date: Mon, 25 Jun 2018 14:59:28 +0100
From: Tony Finch <dot@dotat.at>
To: Paul Vixie <paul@redbarn.org>
cc: 神明達哉 <jinmei@wide.ad.jp>, Evan Hunt <each@isc.org>, dnsop <dnsop@ietf.org>, johnl@taugh.com
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Subject: Re: [DNSOP] abandoning ANAME and standardizing CNAME at apex
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Paul Vixie <paul@redbarn.org> wrote:
> 神明達哉 wrote:
> >
> > I've always thought there's no point in standardizing ANAME-kind of
> > thing unless its ultimate goal includes the resolver-side support.
> > ...
>
> and to be clear, we already created a system like that: SRV. so if
> that's the only way we can do it, it's already done, and we know how it
> ends.

ANAME avoids some of the pitfalls that SRV encountered:

* apps and stubs don't have to be upgraded to support ANAME

* recursive support is an optimization, not a requirement

* no added last-mile latency

And there are existing implementations that demonstrate demand.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
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