Thanks Jeff for refreshing the cache on those mailing-list comments.
I was part of that conversation, and frankly did not remember them — now I do. 
And to put that in perspective, that was almost 6 **years** ago! 

I also missed the Errata, which was good.
And there’s also a couple other held for doc update: 
https://www.rfc-editor.org/errata_search.php?rfc=5884 

I will start with the last bit, borrowing from your text Jeff: Carlos is also 
completely unaware of anyone experiencing any sort of confusion covering RFC 
5884 procedures other than Greg.

And also, it’s a clarification that does not hurt.

I do not feel norao impacts 5884, but at the same time bundling all the updates 
on a RFC 5884-bis sounds like a most appropriate suggestion to me. I’m happy to 
help if needed.

And to that, I’d also bundle in the changes from RFC 7726.

Thanks,

Carlos.


> On Feb 4, 2024, at 11:36 AM, Jeffrey Haas <jh...@pfrc.org> wrote:
> 
> +bfd WG.
> 
> Some original comments to Adrian were:
> 
> https://mailarchive.ietf.org/arch/msg/rtg-bfd/SYouXfNrVyKHErqacOuM2fICzMc/
> 
> Apparently, Greg didn't consider this worth holding his peace over.
> 
> https://www.rfc-editor.org/errata/eid5085 was filed and accepted as a 
> clarification for RFC 5884 as part of a prior round of this discussion.
> 
> LSP Ping is getting its norao update currently in MPLS.  While it's my 
> opinion that the current set of changes to that document don't negatively 
> impact backward compatibility with RFC 5884, it's a normative enough change 
> that perhaps it's worth moving forward with the small updates to RFC 5884.
> 
> In my opinion, the appropriate work is to take this to BFD for RFC 5884-bis, 
> which would be co-reviewed with MPLS.  I believe we can get at least one of 
> the original authors to pick up that work.
> 
> That said, the BFD chairs are completely unaware of anyone experiencing any 
> sort of confusion covering RFC 5884 procedures other than Greg.
> 
> -- Jeff
>  
> 
> 
>> On Jan 24, 2024, at 2:55 PM, Carlos Pignataro <cpign...@gmail.com 
>> <mailto:cpign...@gmail.com>> wrote:
>> 
>> Hi!
>> 
>> Review of draft-mirsky-mpls-bfd-bootstrap-clarify
>> Version 05
>> Type Getting Ready for WG Adoption
>> Team MPLS WG Review Team
>> Reviewer: Carlos Pignataro 
>> 
>> I have been asked to provide a ‘getting ready for WG adoption’ review of 
>> this document, on behalf of the MPLS WG review team.
>> 
>> There are generally two relevant questions at this stage:
>> 
>> 1. knowing whether the document is in scope for the working group, and
>> 2. knowing whether the document is ready to be considered for WG adoption
>> 
>> My perspective is that:
>> 
>> 1. Maybe - RFC 4884, the RFC that this document would update if approved, 
>> was progressed as draft-ietf-bfd-mpls in the bfd wg. As such, I wonder if 
>> that ought to be followed here. From a practical standpoint, both WGs (mpls 
>> and bfd) would have to review this document, but it is a chair decision and 
>> guidance whether this should live in mpls or bfd (and frankly I have no 
>> strong position either way so long as both WGs are in the loop, simply 
>> pointing historic datapoints.) The document is clearly in scope on the 
>> intersection of both WGs, and historically was in bfd.
>> 
>> 2. Yes – this document addresses clear clarifications for implementation 
>> interoperability. Granted, this protocol is deployed without these 
>> clarifications, but are (at least) theoretical gaps.
>> 
>> A couple of further comments, since I read the document. Overall, well 
>> written and clear, achieves its goal, and:
>> 
>> a. Backwards compatibility is paramount, and neither of those two words 
>> appear in the document. I recommend a section detailing implications.
>> 
>> b. Section 5, IPv6, seems like an after-though, since it is not mentioned in 
>> the Abstract. Further, that case and explanation is well covered in RFC 
>> 8029, and as such seems like a distraction.
>> 
>> c. There are various nits and an editorial pass would help with clarity. 
>> These include things like unqualified “echo reply” uses.
>> 
>> Thanks,
>> 
>> Carlos Pignataro
>> 
>> _______________________________________________
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