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Re: [DNSOP] I-D Action: draft-ietf-dnsop-rrserial-01.txt

Paul Vixie <paul@redbarn.org> Thu, 07 April 2022 13:47 UTC

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To: Petr Špaček <pspacek@isc.org>
Cc: dnsop@ietf.org
References: <164925410133.8707.7855283268813227906@ietfa.amsl.com> <20220406142614.GD94415@pepino> <2d437493-7f88-5a81-22a9-1bd05081f70a@isc.org>
From: Paul Vixie <paul@redbarn.org>
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Date: Thu, 07 Apr 2022 06:47:52 -0700
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Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-rrserial-01.txt
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Petr Špaček wrote on 2022-04-06 23:54:
> Hello,
> 
> ...
> 
>  From my perspective, these systems are not rare, quite the contrary:
> - PowerDNS with a database backend
> - Multi-master flavors of BIND
> - Various "cloud" auths with dynamic backends
> - Windows DNS with Active Directory (I think)

because IXFR and NOTIFY and UPDATE use serial numbers, the DNS protocol 
itself is aware of serial numbers. i hope that any recognition of 
non-traditional serial numbers will be an optional addition to the 
RRSERIAL response, and that if a zone has no actual serial number (so, 
it cannot participate in IXFR, NOTIFY, and UPDATE) the RRSERIAL value 
will just be a magic number like zero, or just missing altogether.

-- 
P Vixie

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