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Re: [Add] questions about the Examples section of svcb-dns-02

Ben Schwartz <bemasc@google.com> Thu, 08 April 2021 17:51 UTC

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References: <4613b8d0773d1ae5f806347bbce909fa74439886.camel@powerdns.com> <CAHbrMsCM3pwu7zYVhVzCMKB37_gSMyb6KY3je3NVYQBAwt6kNg@mail.gmail.com> <dc371c7284d3c05d07cf0a550b37f9a624d968c9.camel@powerdns.com> <ba952ca3-b6fe-be9a-8829-a926cb32e148@shaw.ca> <CAHbrMsAN0PkC-yUdWR6HhkrX-JJ3cCwvgGBJRD2EXLYRjbQVEw@mail.gmail.com> <17de2348-178b-93ca-7fa9-248a9a426ca4@shaw.ca>
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From: Ben Schwartz <bemasc@google.com>
Date: Thu, 08 Apr 2021 13:50:52 -0400
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To: David <opendak@shaw.ca>
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Subject: Re: [Add] questions about the Examples section of svcb-dns-02
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OK, I added a DoH-only example:
https://github.com/bemasc/svcb-dns/commit/3e6614d859355a96bc459bc8c4269d13f1d330e9

On Thu, Apr 8, 2021 at 12:01 PM David <opendak@shaw.ca> wrote:

> On 2021-04-08 9:05 a.m., Ben Schwartz wrote:
> > OK, I've clarified (and corrected, oops) the explanation of the examples,
> > and added another one to highlight the default-DoT behavior:
> >
> https://github.com/bemasc/svcb-dns/commit/e59c995fa976a19b5baf1770afb231d3dcb729e1
> >
>
> I think this definitely helps. Would you be opposed to one more example
> of a DoH-only endpoint? I think that would be a common use case and
> having the DoT+DoH vs DoH-only examples would provide extra enforcement
> of there being a default.
>
> > We can certainly remove the default ALPN, but personally I like having
> > empty SvcParams correspond to a common default.  The size savings (~8
> > bytes) are probably not important, although MTU could become relevant in
> > the context of SVCB delegation responses as envisioned
> > by draft-rescorla-dprive-adox.
> >
>
>
>

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