Thanks Jeff.

Mahesh, are you ok as well?

Thanks,
Ketan


On Wed, Jun 4, 2025 at 7:23 PM Jeffrey Haas <[email protected]> wrote:

> Ketan,
>
>
> On Jun 4, 2025, at 3:12 AM, Ketan Talaulikar <[email protected]>
> wrote:
> I got myself educated (a little bit) on the YANG modeling guidelines as
> part of the IESG review of
> https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc8407bis/
>
>
> :-)
>
>
> Following are some YANG organization specific comments on each of the 3
> documents.
>
> *1) For draft-ietf-bfd-secure-sequence-numbers*
>
> a)
> https://www.ietf.org/archive/id/draft-ietf-bfd-optimizing-authentication-24.html#section-6.1
> has to be moved from that document into the IANA considerations of this
> document. This IANA registry feeds into an IANA maintained YANG module that
> needs to be self-contained in this document where those two types are
> actually specified.
>
>
> That's "fine".  In prior iterations of the secure sequence number docs,
> the references to how ISAAC required the optimized procedures was less
> clear and thus ownership of the things supporting optimized made sense in
> the parent document rather than the child documents.
>
>
> *2) For draft-ietf-bfd-optimizing-authentication*
>
> a) The following sections need to be deleted (i.e., they have no place in
> any of these documents) because they refer to an IANA maintained YANG module
>
>
> https://www.ietf.org/archive/id/draft-ietf-bfd-optimizing-authentication-24.html#section-6.4
>
> https://www.ietf.org/archive/id/draft-ietf-bfd-optimizing-authentication-24.html#name-updated-bfd-iana-module
>
> b) For the YANG Model in
> https://www.ietf.org/archive/id/draft-ietf-bfd-optimizing-authentication-24.html#section-5.3
> there are two options:
> i) It can be split so the main part related to optimized auth remains in
> this document and the part specific to the two ISAAC auth types is moved
> into draft-ietf-bfd-secure-sequence-numbers. IMHO this would be the correct
> and modular way to develop YANG modules.
>
>
> Sorry, go check with your ops ADs again.  Have we developed a procedure by
> which more than one document pre-publication can update the same IANA
> module?  If so, please supply a reference to the current draft/RFC that
> details how to do so.
>
> OR
> ii) It can be moved entirely into draft-ietf-bfd-secure-sequence-numbers
> to avoid the circular normative reference between these two drafts. This
> will also better align with (1) (a). I believe this is what Reshad was
> suggesting.
>
>
> That would be acceptable, but largely because 1 works out well enough
> today.
>
>
> *3) For draft-ietf-bfd-stability - all seems good to me from YANG
> perspective*
>
> Please let me know your thoughts and if you agree, it would be great to
> get some draft updates posted so we can start closing off review comments.
>
>
> Patches addressing the YANG points will be trivial to do.
>
> You have a large backlog of items covering the optimized procedures
> already pending to comment on.  Since the remaining authors for the
> optimized draft are their usual silent selves, I'm tempted to just push the
> queued items in the github branch for broader IETF review.
>
> -- Jeff
>
>

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