Re: [Http-srv] Alternative to SRV?

Martin Thomson <martin.thomson@gmail.com> Wed, 22 August 2018 03:25 UTC

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References: <6aceab29-cf81-8644-20cd-e02281e6394c@bellis.me.uk> <DDFF92A9-9F1D-4883-AF5C-1372EBDAB156@isc.org> <CABkgnnU8NkayO=PANGSG8Eh_rajwu2bdjLSDZ5f_15KwTqhKQA@mail.gmail.com> <81377D4F-DECA-4201-A286-FF750B5D9723@isc.org>
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From: Martin Thomson <martin.thomson@gmail.com>
Date: Wed, 22 Aug 2018 13:25:42 +1000
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To: Mark Andrews <marka@isc.org>
Cc: Ray Bellis <ray@bellis.me.uk>, Http-srv@ietf.org
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Subject: Re: [Http-srv] Alternative to SRV?
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On Wed, Aug 22, 2018 at 12:56 PM Mark Andrews <marka@isc.org> wrote:
> > On 22 Aug 2018, at 10:44 am, Martin Thomson <martin.thomson@gmail.com> wrote:
> >
> > I think that you are free to pretend that HTTPS is the only variant of
> > the protocol.  There's no point in shipping improvements for the
> > cleartext variant.
>
> We have to make stuff work for http as well as https.  There are still sites
> that want to use http at the zone’s name where CNAME doesn’t work.  This is a
> CURRENT problem.

My point is that we don't have to fix http.  It's a broken protocol
that we support for backwards-compatibility reasons.

> > What are you thinking about ALPN?
>
> What are you thinking about?  The default would be the status quo.  I would
> like to be able to deploy this without requiring servers (excludes proxies)
> to be updated.

If you take a narrow view and say that we just need A++ or AAAA++, we
get a design that has no real incentive to deploy.  But if we were to
make it easier to deploy QUIC (for example), that might be a valuable
inducement.