Re: [DNSOP] New Version Notification for draft-sury-deprecate-obsolete-resource-records-00.txt

Evan Hunt <each@isc.org> Wed, 28 March 2018 21:58 UTC

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Date: Wed, 28 Mar 2018 21:58:46 +0000
From: Evan Hunt <each@isc.org>
To: Robert Edmonds <edmonds@mycre.ws>
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Subject: Re: [DNSOP] New Version Notification for draft-sury-deprecate-obsolete-resource-records-00.txt
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On Wed, Mar 28, 2018 at 05:43:29PM -0400, Robert Edmonds wrote:
> Whatever the long gone original experiments that NULL was intended for
> that are alluded to in STD 13, NULL has some present day operational
> utility in that it's explicitly defined as carrying as much arbitrary
> data as can fit, and NULL RRs can be used with RFC 3597 generic syntax
> without squatting on a code point.
> 
> It has no presentation format and is not allowed in master zone files so
> presumably it is also the easiest RR type to implement.

I just learned from Geoff Huston a few days ago that his test servers
use NULL RR's when they need to construct large responses.

-- 
Evan Hunt -- each@isc.org
Internet Systems Consortium, Inc.