Re: [DNSOP] Further ANAME minimization /\ Ray convergence

Tim Wicinski <tjw.ietf@gmail.com> Wed, 07 November 2018 21:14 UTC

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From: Tim Wicinski <tjw.ietf@gmail.com>
Date: Thu, 8 Nov 2018 04:13:50 +0700
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To: richard.j.gibson@oracle.com
Cc: Ray Bellis <ray@bellis.me.uk>, dnsop <dnsop@ietf.org>
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Subject: Re: [DNSOP] Further ANAME minimization /\ Ray convergence
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Tony says this:

" It isn't a judgment about what's good, but an observation about what is
done."

I can't stress this enough - when you see ALIAS records at zone cuts that
point to a database server,
already, then we've missed the "server specific" ball.

And can someone show a significant number of SRV examples outside of SIP
and some gaming
servers?

On Thu, Nov 8, 2018 at 3:48 AM Richard Gibson <richard.j.gibson@oracle.com>;
wrote:

> This is such a salient point, and always draws me back towards a desire
> for accompanying questions. They wouldn't directly address exactly the
> issue handled by ANAME (the addresses of one host corresponding to those
> of a distinct [probably out-of-bailiwick] name), but might make it
> moot—or at least tolerable—by tackling more fundamental progress
> blockers. Support for covering apex A, apex AAAA, and service-specific
> SRV (especially with target host addresses in the additional section of
> the response) in a single transaction could absolve many sins.
>
> On 11/6/18 13:51, Ray Bellis wrote:
> > IMHO, any record that doesn't support a service selector isn't doing
> > its job properly.
> >
> > You _have_ to be able to say "if I want this service at this domain, I
> > either prepend this prefix, or lookup this type", otherwise you're
> > just forcing _all_ services to connect to the A and AAAA found there.
> >
> > A and AAAA should be for connecting to the right _host_, once you've
> > established from the _service_ which host that is.
>
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