[DNSOP] Re: [Ext] New draft on collision free key tags in DNSSEC

John R Levine <johnl@taugh.com> Sat, 27 July 2024 04:07 UTC

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Date: Fri, 26 Jul 2024 21:06:52 -0700
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From: John R Levine <johnl@taugh.com>
To: Paul Wouters <paul@nohats.ca>, Mark Andrews <marka@isc.org>
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Subject: [DNSOP] Re: [Ext] New draft on collision free key tags in DNSSEC
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>> Even if we where to go with one failure is allowed we still need to
>> write down the new rules and there will be complaints that we are
>> retrospectively changing the rules.  This is grand fathering in the
>> old rules for the old algorithms.
>
> Write a BCP, not a standard disallowing key id clashes.

Right.  We all know that flag days never happen, so that resolvers will 
always have to include too many keytags or signatures in the list 
of things to limit the work.  So remind people that there's going to be a 
limit, and if you are smart your zones won't go anywhere near it, and move 
on.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly