[pim] Last Call: <draft-ietf-pim-sr-p2mp-policy-13.txt> (Segment Routing Point-to-Multipoint Policy) to Proposed Standard

The IESG <iesg-secretary@ietf.org> Mon, 07 July 2025 18:27 UTC

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Subject: [pim] Last Call: <draft-ietf-pim-sr-p2mp-policy-13.txt> (Segment Routing Point-to-Multipoint Policy) to Proposed Standard
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The IESG has received a request from the Protocols for IP Multicast WG (pim)
to consider the following document: - 'Segment Routing Point-to-Multipoint
Policy'
  <draft-ietf-pim-sr-p2mp-policy-13.txt> as Proposed Standard

The IESG plans to make a decision in the next few weeks, and solicits final
comments on this action. Please send substantive comments to the
last-call@ietf.org mailing lists by 2025-07-28. Exceptionally, comments may
be sent to iesg@ietf.org instead. In either case, please retain the beginning
of the Subject line to allow automated sorting.

Abstract


   Point-to-Multipoint (P2MP) policy enables creation of P2MP trees for
   efficient multi-point packet delivery in a Segment Routing (SR)
   domain.  A SR P2MP Policy consists of Candidate Paths (CP) which
   define the topology of P2MP tree instances in each Candidate Path.  A
   P2MP tree instance is instantiated by a set of Replication segments.

   This document specifies the architecture, signaling, and procedures
   for SR P2MP Policies within Segment Routing over MPLS (SR-MPLS) and
   Segment Routing over IPv6 (SRv6) dataplane.  It defines the P2MP
   Policy construct, the roles of the root and leaf nodes, Candidate
   Paths and and how P2MP trees using Replication Segments are
   instantiated and maintained.  Additionally, it describes the required
   extensions for a controller to support P2MP path computation and
   provisioning.





The file can be obtained via
https://datatracker.ietf.org/doc/draft-ietf-pim-sr-p2mp-policy/


The following IPR Declarations may be related to this I-D:

   https://datatracker.ietf.org/ipr/5017/