Hi Mahesh, all,

Thanks for sharing this update.

==
The solution we came up with is for IANA to list the three drafts, RFC 5102, 
RFC 7012, and draft-ietf-opsawg-ipfix-tcpo-v6eh (when it is approved) in the 
IANA registry for the IEs that are being either deprecated or added. In 
addition, IANA should declare on the top of the registry (if it does not 
already), that it is the authoritative source for the registry.
==

Made the following changes:


  *   Updates IPv6/TCP I-D with more notes to cite 
5102/7012/RFC-to-be-draft-ietf-opsawg-ipfix-tcpo-v6eh: 
https://author-tools.ietf.org/iddiff?url2=draft-ietf-opsawg-ipfix-tcpo-v6eh-18.
  *   Updated the simple fixes I-D to add a new note under the IEs subregistry: 
https://author-tools.ietf.org/iddiff?url2=draft-ietf-opsawg-ipfix-fixes-12. 
This is to address the second part of the feedback above. A note already exists 
at the top level that 5102 is obsoleted by 7012, though.

Cheers,
Med

De : Mahesh Jethanandani <mjethanand...@gmail.com>
Envoyé : lundi 22 juillet 2024 07:54
À : Benoit Claise <benoit.cla...@huawei.com>
Cc : BOUCADAIR Mohamed INNOV/NET <mohamed.boucad...@orange.com>; Paul Wouters 
<paul.wout...@aiven.io>; The IESG <i...@ietf.org>; 
draft-ietf-opsawg-ipfix-tcpo-v...@ietf.org; opsawg-chairs 
<opsawg-cha...@ietf.org>; opsawg@ietf.org
Objet : Re: [OPSAWG]Re: Paul Wouters' Discuss on 
draft-ietf-opsawg-ipfix-tcpo-v6eh-17: (with DISCUSS)


Hi Benoit,

This came up in the IESG meeting earlier today along with folks from IANA.

The solution we came up with is for IANA to list the three drafts, RFC 5102, 
RFC 7012, and draft-ietf-opsawg-ipfix-tcpo-v6eh (when it is approved) in the 
IANA registry for the IEs that are being either deprecated or added. In 
addition, IANA should declare on the top of the registry (if it does not 
already), that it is the authoritative source for the registry.

Having agreed upon, one has to say that RFC 7012 should have never delegated 
the authority of the registry to the registry. It is odd that the registry is 
the authoritative source for itself. But what is done cannot be undone, and we 
are going to have to live with it.

Cheers.


On Jul 12, 2024, at 2:46 PM, Benoit Claise 
<benoit.cla...@huawei.com<mailto:benoit.cla...@huawei.com>> wrote:

Dear all,

It goes without saying that I agree with Med here.

Regards, Benoit

On 7/11/2024 7:58 PM, 
mohamed.boucad...@orange.com<mailto:mohamed.boucad...@orange.com> wrote:
Hi Mahesh,

An implementer that looks in 5102 will be forwarded to 7012 because there is 
appropriate metadata in 5102 that says that spec is superseded/obsoleted by 
7012. Like any other RFC with that metadata, there is no note that explicits 
which aspects is obsoleted (or updated in case of updated-by). Readers have to 
look into 7012 which clearly and explicitly list the changes and how the 
registry should be handled in the future.

I never saw an update to an obsoleted RFC. IMO, it does not make sense to go 
that way.

We can add a note with a summary to help readers navigate with all these.

Cheers,
Med

De : Mahesh Jethanandani 
<mjethanand...@gmail.com><mailto:mjethanand...@gmail.com>
Envoyé : jeudi 11 juillet 2024 18:27
À : BOUCADAIR Mohamed INNOV/NET 
<mohamed.boucad...@orange.com><mailto:mohamed.boucad...@orange.com>
Cc : Paul Wouters <paul.wout...@aiven.io><mailto:paul.wout...@aiven.io>; The 
IESG <i...@ietf.org><mailto:i...@ietf.org>; 
draft-ietf-opsawg-ipfix-tcpo-v...@ietf.org<mailto:draft-ietf-opsawg-ipfix-tcpo-v...@ietf.org>;
 opsawg-chairs <opsawg-cha...@ietf.org><mailto:opsawg-cha...@ietf.org>; 
opsawg@ietf.org<mailto:opsawg@ietf.org>
Objet : Re: [OPSAWG]Re: Paul Wouters' Discuss on 
draft-ietf-opsawg-ipfix-tcpo-v6eh-17: (with DISCUSS)


Hi Med,

This DISCUSS and the COMMENT from John came up again in the telechat earlier 
today.

This is clearly tripped up more than one person in their review process, so it 
is quite imaginable what it would do to an implementor. I do not have a good 
solution, and I am hoping this discussion comes up with a solution that is 
better than status quo.



On Jul 10, 2024, at 11:14 PM, 
mohamed.boucad...@orange.com<mailto:mohamed.boucad...@orange.com> wrote:

Hi Paul,

I have already clarified this point in a reply to John's comment.

Let me clarify again:

* Both ipv6ExtensionHeaders and tcpOptions were initially defined in RFC 5102
* RFC 7012 obsoleted RFC 5102 and declared that:

  ## The IANA registry is for now the authoritative reference for these IEs:

  "[IANA-IPFIX] is now the normative reference for IPFIX Information
  Elements.  When [RFC5102] was published, it defined, in its
  Section 5, the initial contents of that registry."

  ## RFC 5102 provides the initial content of the registry

  "This information model is maintained as the IANA "IPFIX
  Information Elements" registry, the initial contents of which were
  defined by RFC 5102."

  or

  "The IANA "IPFIX Information Elements" registry [IANA-IPFIX] is the
  current complete reference for IPFIX Information Elements.  The
  initial values for this registry were provided by [RFC5102]."

The move to an IANA registry as the authoritative reference for the IEs is 
clearly the source of the problem. Is there something in the Updates to RFC 
5102 that indicates that the registry has moved to IANA? Or do folks have to 
read RFC 7012 to realize that? Would the registry pointing to RFC 5102, which 
would in turn point to RFC 7012 help?




* We can't update 7012 because:

  "Information Element definitions have been removed, as the reference
    for these is now [IANA-IPFIX]; a historical note on categorizations
    of Information Elements as defined in [RFC5102] has been retained
    in Section 5."

This is the reason we:

* cite [IANA-IPFIX] when we first mentioned ipv6ExtensionHeaders and tcpOptions 
in the doc.
* list [IANA-IPFIX] as normative

But that may not be enough to satisfy the question that Paul is asking. Which 
RFC is being updated/obsoleted with the move to deprecate the 
ipv6ExtensionHeaders and tcpOptions IE. Does it make sense to update RFC 5102 
so folks know to reference this document, even if it is obsoleted by RFC 7102?

Cheers




Cheers,
Med



-----Message d'origine-----
De : Paul Wouters via Datatracker <nore...@ietf.org<mailto:nore...@ietf.org>>
Envoyé : jeudi 11 juillet 2024 03:48
À : The IESG <i...@ietf.org<mailto:i...@ietf.org>>
Cc : 
draft-ietf-opsawg-ipfix-tcpo-v...@ietf.org<mailto:draft-ietf-opsawg-ipfix-tcpo-v...@ietf.org>;
 opsawg-
cha...@ietf.org<mailto:cha...@ietf.org>; 
opsawg@ietf.org<mailto:opsawg@ietf.org>; 
thomas.g...@swisscom.com<mailto:thomas.g...@swisscom.com>;
thomas.g...@swisscom.com<mailto:thomas.g...@swisscom.com>
Objet : Paul Wouters' Discuss on draft-ietf-opsawg-ipfix-tcpo-
v6eh-17: (with DISCUSS)


Paul Wouters has entered the following ballot position for
draft-ietf-opsawg-ipfix-tcpo-v6eh-17: Discuss

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-----------------------------------------------------------------
DISCUSS:
-----------------------------------------------------------------

       This specification deprecates the ipv6ExtensionHeaders
IPFIX IE
       in favor of the new IEs defined in this document.

I don't see which RFC those were in, because this document does
not
Update: or Obsolete: the RFC that defined the
ipv6ExtensionHeaders IPFIX IE


       This specification deprecates the tcpOptions IE

Same here.





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