Hi WG,

I have reviewed the draft and support its adoption.
There are currently no technical issues, and merging the document is a good
starting point.

Regards,
Alex


On Mon, 20 Jul 2026 at 12:17, Susan Hares <[email protected]> wrote:

> IDR WG and Spring WG
>
>
>
> I missed a step in the calls in the combination of calls below.  I did not
> specifically call for an adoption of 
> draft-lin-bgp-ls-sr-policy-admin-flags-03.txt
> in the call for 3 drafts attached below prior to combining it with
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt.
>
>
>
> This starts a WG adoption call for
> draft-lin-bgp-ls-sr-policy-admin-flags-03.txt.  The authors should reply to
> this message with an IPR statement.
>
>
>
> The WG should consider:
>
> 1) Does draft-lin-bgp-ls-sr-policy-admin-flags – provide the correct flags
> to be queried by BGP-LS?
>
>     Are there some missing?  Is this a good start?  Are there technical
> flaws
>
>
>
> 2) After asking question 1, consider does it still make sense to merge 
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00
> and draft-lin-bgp-ls-sr-policy-admin-flags-03.txt.
>
>
>
> 3) Is there any drafts in the same area that should be considered?
>
>
>
> Cheerily, Sue Hares
>
>
>
> PS – thank you to the IDR chair team and especially Jie Dong our secretary
> for catching my error.
>
>
>
>
>
> *From:* Susan Hares <[email protected]>
> *Sent:* Saturday, July 18, 2026 1:08 PM
> *To:* linchangwang <[email protected]>; 'idr-chairs' <
> [email protected]>
> *Cc:* [email protected];
> [email protected]
> *Subject:* RE: [SR-TE]Adoption call for 3 drafts: 1)
> draft-lin-idr-sr-policy-admin-flags, 2)
> draft-liu-idr-sr-segment-list-optimize, 3)
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt (6/22/2026 to
> 7/14/2026
>
>
>
> Changwang and co-authors:
>
>
>
> I have pre-approved the submission of the
> draft-ietf-idr-bgp-ls-sr-policy-admin-flags-00.txt.  Simply submit the
> draft when the IETF draft submission reopens on Sunday night.
>
>
>
> Cheerily, Sue Hares
>
>
>
> *From:* linchangwang <[email protected]>
> *Sent:* Tuesday, July 14, 2026 9:24 AM
> *To:* Susan Hares <[email protected]>; 'idr-chairs' <[email protected]>
> *Cc:* [email protected];
> [email protected]
> *Subject:* Re: [SR-TE]Adoption call for 3 drafts: 1)
> draft-lin-idr-sr-policy-admin-flags, 2)
> draft-liu-idr-sr-segment-list-optimize, 3)
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt (6/22/2026 to
> 7/14/2026
>
>
>
> Hi Sue,
>
>
>
> We have merged draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt
> into draft-lin-bgp-ls-sr-policy-admin-flags-03 and renamed it as:
> draft-ietf-idr-bgp-ls-sr-policy-admin-flags-00.txt.
>
>
> Currently, the focus is on merging and making some descriptive
> modifications, with no technical changes.
>
> Please help review if there are any issues.
>
>
>
> If everything looks good, we will submit after July 18.
>
>
>
>
>
> Thanks,
>
> Changwang
>
>
>
> *发件人**:* linchangwang (RD)
> *发送时间:* 2026年7月13日 21:00
> *收件人:* 'Susan Hares' <[email protected]>; 'idr-chairs' <[email protected]>
> *抄送:* 'Yisong Liu' <[email protected]>; '[email protected]' <
> [email protected]>; 'Zafar Ali (zali)' <[email protected]>
> *主题:* Re: [SR-TE]Adoption call for 3 drafts: 1)
> draft-lin-idr-sr-policy-admin-flags, 2)
> draft-liu-idr-sr-segment-list-optimize, 3)
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt (6/22/2026 to
> 7/14/2026
>
>
>
> Hi Sue,
>
>
>
>    1. The attachment is the merged document of
>    draft-lin-idr-sr-policy-admin-flags-05 and
>    draft-liu-idr-sr-segmentlist-optimize-06.txt.
>    Since individuals cannot submit documents at the moment, could you
>    please check if it is convenient to help submit and upload the merged
>    document: draft-ietf-idr-sr-policy-admin-flags-00.
>
>
>
>    2. draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt should
>    merge the text with draft-lin-bgp-ls-sr-policy-admin-flags-03. This is
>    currently being revised and will be sent to you for review tomorrow.
>
>
>
> Thank you.
>
>
>
>
>
> Thanks,
>
> Changwang
>
>
>
> *发件人**:* Susan Hares <[email protected]>
> *发送时间:* 2026年7月10日 23:50
> *收件人:* Susan Hares <[email protected]>; idr@ietf. org <[email protected]>;
> spring <[email protected]>
> *抄送:* pce-chairs <[email protected]>; srv6ops-chairs <
> [email protected]>
> *主题:* [Idr] Re: [SR-TE]Adoption call for 3 drafts: 1)
> draft-lin-idr-sr-policy-admin-flags, 2)
> draft-liu-idr-sr-segment-list-optimize, 3)
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt (6/22/2026 to
> 7/14/2026
>
>
>
>
>
> The IDR chairs have determined that there is consensus to adopt these
> three drafts:
>
> 1. draft-lin-idr-sr-policy-admin-flag-05.txt –
>
> 2. draft-liu-idr-sr-segment-list-optimize-06.txt
>
> 3. draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt
>
>
>
> The authors of draft-lin-idr-sr-policy-admin-flags-05 and
> draft-liu-idr-sr-segmentlist-optimize-06.txt should merge their two
> documents.  The final document should be submitted as:
> draft-ietf-idr-sr-policy-admin-flags-00.
>
>
>
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt should merge the
> text with  draft-lin-bgp-ls-sr-policy-admin-flags-03. The authors should
> send the text to me ([email protected] ) for review.  The final draft will
> be submitted as draft-ietf-idr-bgp-ls-sr-policy-admin-flags.
>
>
>
> Thank you,
>
> Sue Hares
>
>
>
> *From:* Susan Hares <[email protected]>
> *Sent:* Tuesday, June 23, 2026 12:46 PM
> *To:* idr@ietf. org <[email protected]>; spring <[email protected]>
> *Cc:* Jeffrey Haas <[email protected]>; pce-chairs <[email protected]>;
> srv6ops-chairs <[email protected]>
> *Subject:* [spring] [SR-TE]Adoption call for 3 drafts: 1)
> draft-lin-idr-sr-policy-admin-flags, 2)
> draft-liu-idr-sr-segment-list-optimize, 3)
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt (6/22/2026 to
> 7/14/2026
>
>
>
> Greetings:
>
>
>
> This is an adoption 3 week WG adoption call sent to IDR and Spring for the
> following 3 drafts:
>
> 1. draft-lin-idr-sr-policy-admin-flag-05.txt –
>
> 2. draft-liu-idr-sr-segment-list-optimize-06.txt
>
> 3. draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt
>
>
>
> Both WGs must agree that these drafts are useful and appropriate.
>
>
>
> The authors of these three drafts should respond to this email with an IPR
> Statement specifying the following:
>
> 1) draft you are a co-author on,
>
> 2) Whether you know of any IPR on that draft.
>
>
>
> Background for the WG and Spring.
>
>
>
> * [I-D. draft-ietf-spring-srv6-policy-sid- list-opt] *specifies
> procedures to indicate whether the endpoint's node SID needs to be included
> or excluded when installing the SRv6  Policy.
>
>
>
> *1) draft-lin-idr-sr-policy-admin-flags* specifies as Segment List
> Administrative Flags as segment list SubTLV. Flags include:
>
> S- admin shutdown, B- backup ineligible, I-Ignore service route's Prefix
> SID, D- drop upon invalid (section 8.2, RFC9256), and E – eligible.
>
> *2) **draft-liu-idr-sr-segment-list-optimize*
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dliu-2Didr-2Dsr-2Dsegment-2Dlist-2Doptimize_&d=DwMFAg&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=rEoy_H4r-c4UNUr3jSF-7Q&m=RjntOQpE0PTOmyN9aktQ2Swdw2n9KkMaab5dO_bRoNPQbJdQYV5cBJEfNcJbuuOI&s=rwc-kio_SJHar0SdViNs5UMjP6RG_m8-s8v6at9IV5o&e=>
> =  adds a flag of flag INF-Flag to Segment list administrative flags
> specified by draft-lin-idr-sr-policy-admin-flags.  The value (1) for
> INF-Flags indicates endpoint node SID is included in installing SID list(s)
> of the Candidate Path (CP) when set.
>
> *3) draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution*-00.txt -  send
> INF-Flag in BGP-LS
>
>
>
> *Why 3 drafts in 1 call? *
>
> As you can see from the description, if
> draft-lin-idr-sr-policy-admin-flags is not adopted – then the other two
> drafts cannot be adopted.
>
> Similarly, if draft-liu-idr-sr-segment-list-optimized is not adopted, then
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution cannot be adopted.
>
>
>
> Questions for Spring WG:
>
> 1) Do these drafts correct implement
> [draft-ietf-spring-srv6-policy-sid-list-opt] concepts?>
>
> 2) Do you see any problem with the adoption of any of these three drafts:
>
> (draft-lin-idr-sr-policy-admin-flag-05.txt,
> draft-liu-idr-sr-segment-list-optimize-06.txt,
> draft-ali-idr-bgp-ls-sr-policy-sl-opt-distribution-00.txt)
>
>
>
> Question for IDR:
>
> 1) Are there any problems in the technology descriptions?
>
> 2) Does the status and setting of this flag work?  Are the “delays”
> inherent in BGP distribution a concern?
>
> 3) Does this draft help operators deploy SRv6?
>
>
>
> Question for Spring and IDR:
>
> 1)  Does this draft open any error issues?
>
>
>
> Please include in your comments – Support or No support for adoption.
>
>
>
> Cheerily, Susan Hares
>
>
> -------------------------------------------------------------------------------------------------------------------------------------
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