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Re: [DNSOP] One Chair's comments on draft-wessels-dns-zone-digest

"John R Levine" <johnl@taugh.com> Mon, 30 July 2018 02:30 UTC

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Date: Sun, 29 Jul 2018 22:30:16 -0400
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From: John R Levine <johnl@taugh.com>
To: Tim Wicinski <tjw.ietf@gmail.com>
Cc: dnsop <dnsop@ietf.org>
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References: <20180730002348.GA41131@isc.org> <20180730012619.5AB982003100E2@ary.qy> <CADyWQ+GoJeOQ4bGqZCQ6mETWCZZG2iEua9H=MdMvUaNMPuAOMQ@mail.gmail.com>
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Subject: Re: [DNSOP] One Chair's comments on draft-wessels-dns-zone-digest
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Sorry, if that's what it sounded like.  I also think it's worth 
considering.  My point is that if it's worth trying, we should give it an 
rrtype and not screw around with overloaded TXT records.  It's not like 
we're in any immediate danger of running out of rrtypes.

R's,
John

> My email wasn't a statement that I don't think the work is relevant. It
> seems that interesting enough for the WG that there are
> two use cases: 1) the root zone; and 2) everything else.
>
> I had spent some time looking the draft over and realizing it was marked
> standards track, and I think it would be easier to adopt for the the
> specific use case if
> it wasn't standards track.
>
> And, why not combine zone-digest with 7706bis?
>
> Tim
>
> On Sun, Jul 29, 2018 at 9:26 PM, John Levine <johnl@taugh.com> wrote:
>
>> In article <20180730002348.GA41131@isc.org> you write:
>>> A good point. Technically, I don't think there's anything in ZONEMD that
>>> couldn't be implemented with TXT; using a dedicated rrtype for the purpose
>>> is mere convenience.
>>
>> Well, heck, we could do the whole DNS with TXT records.  But if it
>> were a TXT record, it'd either need a reserved prefix name or a
>> reserved string in the record to say what it is.  As Mark noted, that
>> makes calculating the hash a lot more fiddly.

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