Hi Éric,
As the Doc Shepherd, I'm sharing some context related to this comment:
> ### Section 6.3
>
> Beside encapsulation, I do not see how multiple (S)RHs could be in
> one IPv6
> packet. Anyway, the router will, per RFC 8200, only act on the
> outermost one.
> I.e., strongly suggest that this I-D specifies that only the
> outermost SRH &
> associated behavior are specified.
FYI, this point was discussed in the WG especially that there is no SPING
document that motivates/explains the use of multiple SRHs. Please check:
https://mailarchive.ietf.org/arch/msg/opsawg/SVm4TZk1v6-a0WJwALk3FrUunFU/ for
why the authors think this section is useful to be maintained in the document.
Cheers,
Med
> -Message d'origine-
> De : Éric Vyncke via Datatracker
> Envoyé : lundi 22 mai 2023 16:17
> À : The IESG
> Cc : draft-ietf-opsawg-ipfix-srv6-...@ietf.org; opsawg-
> cha...@ietf.org; opsawg@ietf.org; BOUCADAIR Mohamed INNOV/NET
> ; BOUCADAIR Mohamed INNOV/NET
>
> Objet : Éric Vyncke's Yes on draft-ietf-opsawg-ipfix-srv6-srh-10:
> (with COMMENT)
>
> Éric Vyncke has entered the following ballot position for
> draft-ietf-opsawg-ipfix-srv6-srh-10: Yes
>
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> datatracker.ietf.org%2Fdoc%2Fdraft-ietf-opsawg-ipfix-srv6-
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>
> --
>
> COMMENT:
> --
>
>
> # Éric Vyncke, INT AD, comments for draft-ietf-opsawg-ipfix-srv6-
> srh-10
>
> Thank you for the work put into this document.
>
> Please find below some non-blocking COMMENT points (but replies
> would be
> appreciated even if only for my own education).
>
> Special thanks to Mohamed Boucadair for the shepherd's detailed
> write-up
> including the WG consensus and the justification of the intended
> status.
>
> I hope that this review helps to improve the document,
>
> Regards,
>
> -éric
>
> ## COMMENTS
>
> ### More than data plane
>
> I like the idea of exporting srhIPv6ActiveSegmentType for
> operation, it goes
> well beyond the plain export of the SRH header. I just fear that
> the extra
> information is redundant and will be repeated quite often.
>
> ### Section 5.1.9
>
> What would happen if this information is learned by two sources ?
>
> ### Section 6.3
>
> Beside encapsulation, I do not see how multiple (S)RHs could be in
> one IPv6
> packet. Anyway, the router will, per RFC 8200, only act on the
> outermost one.
> I.e., strongly suggest that this I-D specifies that only the
> outermost SRH &
> associated behavior are specified.
>
>
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