[Idr] Re: BGP SR: 2-week Early Allocation call for draft-ietf-idr-sr-policy-seglist-id-06 (11/2/2025 to 11/17/2025)

Susan Hares <shares@ndzh.com> Thu, 18 December 2025 13:38 UTC

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From: Susan Hares <shares@ndzh.com>
To: "idr@ietf.org" <idr@ietf.org>
Thread-Topic: Re: [Idr] BGP SR: 2-week Early Allocation call for draft-ietf-idr-sr-policy-seglist-id-06 (11/2/2025 to 11/17/2025)
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Date: Thu, 18 Dec 2025 13:23:55 +0000
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Subject: [Idr] Re: BGP SR: 2-week Early Allocation call for draft-ietf-idr-sr-policy-seglist-id-06 (11/2/2025 to 11/17/2025)
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There has been no objection to the request for early allocation
requested by in draft-ietf-idr-sr-policy-seglist-id-06.txt.

This draft requests the Segment List SubTLV of
Segment List Identifier.

The IDR Chairs will request RTG AD to request
IANA to allocate a new Sub-TLV from the
"SR Policy Segment List Sub-TLVs" registry [RFC9830]
This registry is in the Border Gateway Protocol
(BGP) Tunnel Encapsulation Group.

The initial email archive for this request is at:
https://mailarchive.ietf.org/arch/msg/idr/PzWso9VdqSJE_sE3F71rrPp85Qk/

The Tunnel encapsulation diagram is listed below.

Cheerily, Sue

============

This begins a 2-week Early allocation call (11/2 to 11/17/2025)
for draft-ietf-idr-sr-policy-seglist-id-06.
https://datatracker.ietf.org/doc/html/draft-ietf-idr-sr-policy-seglist-id-06

This draft requests the Segment List Identifier Sub-TLV be assigned.

SR Policy SAFI NLRI: <Distinguisher, Policy-Color, Endpoint>
Attributes:
   Tunnel Encapsulation Attribute (23)
      Tunnel Type: SR Policy (15)
          Binding SID
          SRv6 Binding SID
          Preference
          Priority
          Policy Name
          Policy Candidate Path Name
          Explicit NULL Label Policy (ENLP)
          Segment List
              Weight
              Segment List Identifier
              Segment
              Segment

0                   1                   2                   3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|     Type      |   Length      |     Flags     |   RESERVED    |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|                        Segment List ID                        |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(see figure 3 in section 2.1 of the document for explanations)

If you have an objection, please comment on the list.
Otherwise, the IDR chairs will request an early allocation from IANA via the IESG.

Cheerily, Sue