Hi Zhenqiang,

Thank you for your review of the draft.

Please see replies inline tagged with <RG>..

On Wed, May 28, 2025 at 11:39 PM lizhenqi...@chinamobile.com <
lizhenqi...@chinamobile.com> wrote:

> Hello all,
>
> I have read this version. It is useful for operators when they use STAMP
> in segment routing networks. The following comments are for the authors'
> considerations.
>
> 1. This doc is informational. I do not think it is appropriate to define a
> new SID behavior, END.TSF, in an informational doc. New SID behavior should
> be defined in a seperate doc of standard track.
>

<RG> Thank you Alvaro for confirming that it is ok to define the END.TSF
behaviour in this draft.


> 2. For SRv6 data plane, this version describes the TE policy scenario. I
> am wondering if it is possible to use stamp in SRv6 BE scenario.
>

<RG> Section 4.5.1 covers the SRv6 Policy and Flex-Algo. As the procedure
is also applicable to SRv6 BE, we can update that section in the next
revision.



> 3. Two modes of encoding for the SRv6 data plane are defined for STAMP
> test packets in this doc: Insert-Mode and Encaps-Mode. Does insert-mode
> comply with current IPv6 standards?
>
>
<RG> Both packet formats are defined in this document for locally generated
STAMP test packets for measurement purpose, with or without adding the
inner IPv6 header.

Thanks,
Rakesh



> Regards,
> Zhenqiang Li
> China Mobile
> ------------------------------
> lizhenqi...@chinamobile.com
>
>
> *From:* internet-drafts <internet-dra...@ietf.org>
> *Date:* 2025-05-09 21:52
> *To:* i-d-annou...@ietf.org
> *CC:* spring <spring@ietf.org>
> *Subject:* [spring] I-D Action: draft-ietf-spring-stamp-srpm-18.txt
> Internet-Draft draft-ietf-spring-stamp-srpm-18.txt is now available. It is
> a
> work item of the Source Packet Routing in Networking (SPRING) WG of the
> IETF.
>
>    Title:   Performance Measurement Using Simple Two-Way Active
> Measurement Protocol (STAMP) for Segment Routing Networks
>    Authors: Rakesh Gandhi
>             Clarence Filsfils
>             Bart Janssens
>             Mach(Guoyi) Chen
>             Richard Foote
>    Name:    draft-ietf-spring-stamp-srpm-18.txt
>    Pages:   53
>    Dates:   2025-05-09
>
> Abstract:
>
>    Segment Routing (SR) leverages the source routing paradigm and
>    applies to both Multiprotocol Label Switching (SR-MPLS) and IPv6
>    (SRv6) data planes.  This document describes procedures for
>    Performance Measurement in SR networks using the Simple Two-Way
>    Active Measurement Protocol (STAMP) defined in RFC 8762, along with
>    its optional extensions defined in RFC 8972 and further augmented in
>    RFC 9503.  The described procedure is used for links and SR paths
>    (including SR Policies and SR IGP Flexible Algorithm paths), as well
>    as Layer-3 and Layer-2 services in SR networks, and is applicable to
>    both SR-MPLS and SRv6 data planes.
>
> The IETF datatracker status page for this Internet-Draft is:
> https://datatracker.ietf.org/doc/draft-ietf-spring-stamp-srpm/
>
> There is also an HTML version available at:
> https://www.ietf.org/archive/id/draft-ietf-spring-stamp-srpm-18.html
>
> A diff from the previous version is available at:
> https://author-tools.ietf.org/iddiff?url2=draft-ietf-spring-stamp-srpm-18
>
> Internet-Drafts are also available by rsync at:
> rsync.ietf.org::internet-drafts
>
>
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