Internet-Draft draft-ietf-pce-circuit-style-pcep-extensions-12.txt is now
available. It is a work item of the Path Computation Element (PCE) WG of the
IETF.
Title: Path Computation Element Communication Protocol (PCEP) extensions
for Circuit Style Policies
Authors: Samuel Sidor
Praveen Maheshwari
Andrew Stone
Luay Jalil
Shuping Peng
Name: draft-ietf-pce-circuit-style-pcep-extensions-12.txt
Pages: 17
Dates: 2025-12-15
Abstract:
Segment Routing (SR) enables a node to steer packet flows along a
specified path without the need for intermediate per-path states, due
to the utilization of source routing. An SR Policy can consist of
one or a set of candidate paths, where each candidate path is
represented by a segment list or a set of segment lists, which are
essentially instructions that define a source-routed policy.
This document specifies a set of extensions to the Path Computation
Element Communication Protocol (PCEP) for Segment Routing Policies
that are designed to satisfy requirements for connection-oriented
transport services (Circuit-Style SR policies). They include the
ability to control path modification and the option to request path
with strict hops only, being also applicable for generic SR policy
use cases where controlling path modification or deterministic and
persistent path requirements are applicable.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-circuit-style-pcep-extensions/
There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-ietf-pce-circuit-style-pcep-extensions-12.html
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-pce-circuit-style-pcep-extensions-12
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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