I agree with Paul that #2 seems to be best, with the expert being able to 
enforce a certain level of specification depending on the parameter being 
allocated.

Tommy

> On Mar 21, 2022, at 3:32 AM, Paul Wouters <p...@nohats.ca> wrote:
> 
> On Mon, 21 Mar 2022, Ben Schwartz wrote:
> 
>> This leaves us with several possible options:
>> 1. Change the MUST to SHOULD, or otherwise indicate that IANA is not 
>> expected to enforce anything about the contents of the format
>> reference.  Registrations might appear without a suitable format reference, 
>> resulting in keys that are difficult to parse and
>> serialize interoperably (e.g. same zone file produces different results in 
>> different authoritative server implementations).
>> 2. Change the registration policy to Expert Review, relying on the 
>> designated expert to enforce this rule.  Registrations might be
>> processed more slowly.
>> 3. Change the registration policy to Specification Required.  This is 
>> similar to #2 but incorporates formal guidance about what kinds
>> of documents qualify as a "specification" (e.g. must be "permanent and 
>> readily available").  Note that this is not "RFC Required":
>> any individual I-D is considered a qualified specification as soon as it is 
>> uploaded to the Datatracker.
> 
> I favour #2, especially as this intersects the DNS protocol with other
> protocols, and those requesting SVCB might not be DNS experts. Having
> a DNS expert to verify things make sense seems good. Although I would
> hope the Expert would also want a Specification Required as their
> input.
> 
> Paul
> 
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