Re: [spring] 6man w.g. last call for <draft-ietf-6man-spring-srv6-oam>

"Zafar Ali (zali)" <zali@cisco.com> Fri, 06 December 2019 02:34 UTC

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From: "Zafar Ali (zali)" <zali@cisco.com>
To: "Joel M. Halpern" <jmh@joelhalpern.com>, Ole Troan <otroan@employees.org>, 6man WG <ipv6@ietf.org>, SPRING WG <spring@ietf.org>
CC: "Zafar Ali (zali)" <zali@cisco.com>
Thread-Topic: 6man w.g. last call for <draft-ietf-6man-spring-srv6-oam>
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Date: Fri, 06 Dec 2019 02:34:11 +0000
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References: <ECC21DA8-0156-41D2-921E-177389D3C904@employees.org> <15bc440b-1dbc-0930-137f-f016ca527c2c@joelhalpern.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/nWY6teFPiTAeFGu6SaSQ7Nf0h5M>
Subject: Re: [spring] 6man w.g. last call for <draft-ietf-6man-spring-srv6-oam>
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Hi Joel,

I did not understand your comment.

Can you please point to specific text in the draft for which the draft needs to define normative behavior for the "node punt processor look past the SRH and make determinations based on the content."?

Thanks

Regards … Zafar

From: ipv6 <ipv6-bounces@ietf.org> on behalf of "Joel M. Halpern" <jmh@joelhalpern.com>
Date: Wednesday, December 4, 2019 at 4:37 PM
To: Ole Troan <otroan@employees.org>, 6man WG <ipv6@ietf.org>, SPRING WG <spring@ietf.org>
Subject: Re: 6man w.g. last call for <draft-ietf-6man-spring-srv6-oam>

I re-read this draft, and I am afraid it is currently under-specified.

In order for the various examples to work, there is assumed behavior by
the processor to which packets are punted.  I could not find where this
normative behavior is described explicitly.  It appears that the
behavior requires that the node "punt processor" look past the SRH and
make determinations based on the content.  This needs to be described
explicitly.  And it needs some discussion of why it is legitimate to
look past the SRH when the SRH does not show SL=0.

Yours,
Joel

On 12/4/2019 3:53 PM, Ole Troan wrote:
Hello,
    As agreed in the working group session in Singapore, this message starts a new two week 6MAN Working Group Last Call on advancing:
    Title    : Operations, Administration, and Maintenance (OAM) in Segment Routing Networks with IPv6 Data plane (SRv6)
    Author   : Z. Ali, C. Filsfils, S. Matsushima, D. Voyer, M. Chen
    Filename : draft-ietf-6man-spring-srv6-oam-02
    Pages    : 23
    Date     : 2019-11-20

      https://datatracker.ietf.org/doc/draft-ietf-6man-spring-srv6-oam/
as a Proposed Standard.
Substantive comments and statements of support for publishing this document should be directed to the mailing list.
Editorial suggestions can be sent to the author. This last call will end on the 18th of December 2019.
To improve document quality and ensure that bugs are caught as early as possible, we would require at least
two reviewers to do a complete review of the document.  Please let the chairs know if you are willing to be a reviewer.
The last call will be forwarded to the spring working group, with discussion directed to the ipv6 list.
Thanks,
Bob & Ole, 6man co-chairs
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