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Re: [DNSOP] Fwd: New Version Notification for draft-pusateri-dnsop-update-timeout-01.txt

Mark Andrews <marka@isc.org> Wed, 20 February 2019 21:09 UTC

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From: Mark Andrews <marka@isc.org>
In-Reply-To: <alpine.DEB.2.20.1902201928250.19193@grey.csi.cam.ac.uk>
Date: Thu, 21 Feb 2019 08:09:49 +1100
Cc: Joe Abley <jabley@hopcount.ca>, dnsop <dnsop@ietf.org>, Paul Wouters <paul@nohats.ca>
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To: Tony Finch <dot@dotat.at>
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Subject: Re: [DNSOP] Fwd: New Version Notification for draft-pusateri-dnsop-update-timeout-01.txt
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> On 21 Feb 2019, at 6:30 am, Tony Finch <dot@dotat.at> wrote:
> 
> Mark Andrews <marka@isc.org> wrote:
>> 
>> All that is missing is the automated cleanup.  DNS servers are quite
>> capable of doing that once specified how.
> 
> Does it need to be per-record? Why not GC the whole RRset?

Because there are scenarios where you do want to GC as single
record from the RRset. AD has them with SRV.  Each server adds
its own SRV record to the RRset.  When a server goes away without
cleaning up you want the SRV to go but the RRset to remain.

A machine has permanent and time limited addresses.

I’m sure there will be other cases where you want selective deletion
from a RRset.

Mark

> Tony.
> -- 
> f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
> Fair Isle: Southwesterly 5 or 6, occasionally 7 later in west. Moderate or
> rough, occasionally very rough at first in west. Rain. Good, occasionally
> moderate.

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka@isc.org

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