Re: [IPv6] Subject: Mandating SRH when using C-SIDs (draft-ietf-spring-srv6-srh-compression)

Tal Mizrahi <[email protected]>
Newsgroups gmane.ietf.spring,gmane.ietf.ipv6
Message-ID <CABUE3X==Sb13PewKKiLj1bF_A0hGmuUfcFEx_H-ZZspgUWkJLA@mail.gmail.com> 
On Thu, Apr 4, 2024 at 2:50 PM Francois Clad <[email protected]> wrote:
> An SRv6-unaware middlebox will not be able to verify the upper-layer checksum of SRv6 packets in flight, regardless of whether an SRH is present or not.
> An SRv6 and C-SID aware middlebox will be able to find the ultimate DA and verify the upper-layer checksum in flight, regardless of whether an SRH is present or not.

+1
There is no point in mandating an SRH when using C-SIDs, as the
presence/absence of an SRH does not significantly affect the issue
under discussion here.

Cheers,
Tal.

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