Re-,
What about adding the following under "Operational Considerations":
NEW:
Implementations of tcpSharedOptionExID16 and tcpSharedOptionExID32 IEs are
assumed to be provided with a list of valid Experiment IDs {{IANA-TCP-EXIDs}}.
How that list is maintained is implementation-specific. Absent that list, an
implementation can't autonomously determine whether an ExID is present and, if
so, whether it is 2- or 4-byte length.
Cheers,
Med
> -----Message d'origine-----
> De : Wesley Eddy <[email protected]>
> Envoyé : mercredi 17 janvier 2024 14:25
> À : BOUCADAIR Mohamed INNOV/NET <[email protected]>;
> [email protected]
> Cc : [email protected];
> [email protected]
> Objet : Re: Tsvart early review of draft-ietf-opsawg-ipfix-tcpo-
> v6eh-05
>
> On 1/17/2024 3:34 AM, [email protected] wrote:
> > [Med] This can be part of regular code updates. Please note
> that this
> > is not unusual in ipfix (see for example ipv4Options, natevent,
> etc.
> > in
> >
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2
> Fwww.iana.org%2Fassignments%2Fipfix%2Fipfix.xhtml&data=05%7C02%7C
> mohamed.boucadair%40orange.com%7C69fc748e4be24a2aa56808dc175fb703
> %7C90c7a20af34b40bfbc48b9253b6f5d20%7C0%7C0%7C638410947053802590%
> 7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBT
> iI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=eZcICzC8rw%2BLDau
> B82e4BxG2PkB5X3LRQO%2BDCUmGQyU%3D&reserved=0 which depend on an
> IANA registry).
>
> Ok; do you think the document should explain this in a sentence
> or two for implementers?
>
> If they are not all familiar with details of how ExIDs are used,
> then it seems like a stretch to assume they'll all understand
> that products need to be designed to periodically update ExID
> definitions.
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