Hi Mario,

On 3/9/23, 5:41 AM, "Mario Loffredo" <[email protected] 
<mailto:[email protected]>> wrote:

> - Section 3: "Servers MUST NOT provide or implement unregistered reverse 
> searches or unregistered reverse search mappings." ... Does "unregistering" 
> entries from these IANA registries mean removing them, or simply marking them 
> as deprecated? If the latter, do we need a status field in these registries 
> to differentiate the active entries from the deprecated ones? Not clear about 
> it.

[ML] Unregistered means merely not included in the registries and the 
sentence looks clear to me. Don't think the registries' entries should 
be removed or deprecated as well.

Registries can decide on their own to deprecate either properties or 
mappings and how long should be the deprecation period. Obviously, 
deprecations can be finally achieved de facto but we cannot be 
completely sure that some entries are no more active.

[JS] Perhaps, we are here conflating the proposed RDAP Reverse Search and RDAP 
Reverse Search Mapping IANA registries with the DNRs (Domain Name Registries) 
and RIRs (Regional Internet Registries)? :) My question is about the lifecycle 
of an entry in the RDAP Reverse Search and RDAP Reverse Search Mapping IANA 
registries and how an entry there is "unregistered". (Assuming the word 
"unregistered" is being used above for such entries.)

> - Section 12.1: "Intended usage: This extension identifier is used for 
> reverse search URI path segments." ... Should we elaborate here that this 
> extension identifier is also used as a prefix in the 
> "reverse_search_properties" and "reverse_search_properties_mapping" data 
> members' names?

[ML] Are you OK with the following?

Intended usage: This extension identifier is used for both URI path segments 
and response extensions related to the reverse search in RDAP.

[JS] Yes, that's comprehensive now.

> - Appendix A: Just curious if the reason why the "Federated Authentication 
> for the Registration Data Access Protocol (RDAP) using OpenID Connect" draft 
> is not mentioned in this draft is because we think that the latter would be 
> on the standards track before the former?

[ML] Not just because of it.

As said in the previous point, RDAP providers are free to implement 
their security measures as they see fit. Using OpenID is an option. 
Registries could implement additional OpenID measures that are not 
described in rdap-openid such as those presented in Appendix A, 
specifically time-based and attribute-based access control features.

That being said, I can't find a valid reason to keep a dependency on an 
ongoing document included in the informative references.

[JS] Agreed.

Thanks,
Jasdip






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