Internet-Draft draft-ietf-pce-pcep-l2-flowspec-09.txt is now available. It is
a work item of the Path Computation Element (PCE) WG of the IETF.
Title: PCEP Extension for Layer 2 (L2) Flow Specification
Authors: Dhruv Dhody
Adrian Farrel
Zhenbin Li
Name: draft-ietf-pce-pcep-l2-flowspec-09.txt
Pages: 14
Dates: 2025-09-30
Abstract:
The Path Computation Element (PCE) is a functional component capable
of selecting paths through a traffic engineering (TE) network. These
paths may be supplied in response to requests for computation or may
be unsolicited requests issued by the PCE to network elements. Both
approaches use the PCE Communication Protocol (PCEP) to convey the
details of the computed path.
Traffic flows may be categorized and described using "Flow
Specifications". RFC 8955 defines the Flow Specification and
describes how Flow Specification components are used to describe
traffic flows. RFC 8955 also defines how Flow Specifications may be
distributed in BGP to allow specific traffic flows to be associated
with routes.
RFC 9168 specifies a set of extensions to PCEP to support the
dissemination of Flow Specifications. This allows a PCE to indicate
what traffic should be placed on each path that it is aware of. This
document updates RFC 9168 by updating the assignment policies for a
range of Flow Specification TLV Type Indicators.
The extensions defined in this document extend the support for
Ethernet Layer 2 (L2) and Layer 2 Virtual Private Network (L2VPN)
traffic filtering rules either by themselves or in conjunction with
Layer 3 (L3) flowspecs.
The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-l2-flowspec/
There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-l2-flowspec-09
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-pce-pcep-l2-flowspec-09
Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts
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