Hi Tom,

> On Aug 24, 2018, at 09:52, Tom Pusateri <pusat...@bangj.com> wrote:
> 
>> If a zone is signed, are the TIMEOUT records signed?
> 
> No. The draft says they are skipped.

New RRTypes are supposed to be handled by old software that pre-dates them 
because they can be treated as opaque types. That's not the case if new RRTypes 
are encumbered with requirements for special handling at query or signing time 
(as described in your section 2).

This seems like a significant architectural change that in effect updates 1034 
and 1035 as well as 3597. This would be a much more straightforward and 
uncontroversial proposal if it was simply a specification for use of a new 
RRType that made no changes at all to the rest of the protocol.

I have not read your draft in detail but I think you probably would also need 
to spend more time considering the cases of old, non-TIMEOUT authority servers 
that wind up serving zones that contain TIMEOUT RRSets (e.g. third-party 
hosting services). Client handling of rogue RRSIGs, RCODE=NOERROR with ANSWER 
sections containing TIMEOUT RRSets, etc.

This all seems a bit messy, to be honest.


Joe
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