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

Bob Hinden <bob.hinden@gmail.com> Thu, 04 April 2024 19:55 UTC

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From: Bob Hinden <bob.hinden@gmail.com>
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Date: Thu, 04 Apr 2024 12:54:23 -0700
Cc: Bob Hinden <bob.hinden@gmail.com>, adrian@olddog.co.uk, Michael Richardson <mcr+ietf@sandelman.ca>, Tom Herbert <tom@herbertland.com>, SPRING WG List <spring@ietf.org>, IPv6 List <ipv6@ietf.org>
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To: Suresh Krishnan <suresh.krishnan@gmail.com>
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Subject: Re: [spring] [IPv6] Subject: Mandating SRH when using C-SIDs (draft-ietf-spring-srv6-srh-compression)
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Suresh,

The prefix allocated in draft-ietf-6man-sids is not required to be used.   For example, from the Abstract:

    This document allocates and makes a dedicated prefix available for SRv6 SIDs.

There is not a MUST be used.  

Bob


> On Apr 4, 2024, at 12:44 PM, Suresh Krishnan <suresh.krishnan@gmail.com> wrote:
> 
> Hi Adrian,
> 
> On Thu, Apr 4, 2024 at 3:11 PM Adrian Farrel <adrian@olddog.co.uk> wrote:
>> 
>> If any allocation had been made (early or otherwise), I'd see it here https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml and here https://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.xhtml right?
> 
> Correct. There was no early allocation requested. The allocation will
> happen after the approval of draft-ietf-6man-sids. The draft has text
> to update both of the registries you mentioned above.
> 
> Thanks
> Suresh
> 
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> spring@ietf.org
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