PCEP Extensions for Associated Bidirectional Label Switched Paths (LSPs)

Document Type Replaced Internet-Draft (individual)
Authors Colby Barth  , Rakesh Gandhi  , Bin Wen 
Last updated 2018-03-27
Replaced by RFC 9059
Stream (None)
Intended RFC status (None)
Expired & archived
plain text htmlized pdfized bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Replaced by draft-ietf-pce-association-bidir
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests. The Stateful PCE extensions allow stateful control of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Label Switched Paths (LSPs) using PCEP. This document defines PCEP extensions for grouping two reverse unidirectional MPLS TE LSPs into an Associated Bidirectional LSP when using a Stateful PCE for both PCE-Initiated and PCC-Initiated LSPs as well as when using a Stateless PCE.


Colby Barth (cbarth@juniper.net)
Rakesh Gandhi (rgandhi@cisco.com)
Bin Wen (bin_wen@cable.comcast.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)