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This draft is a work item of the Path Computation Element Working Group of the IETF.
Title : Inter-AS Requirements for the Path Computation Element Communication Protocol (PCECP)
Author(s) : N. Bitar, et al.
Filename : draft-ietf-pce-interas-pcecp-reqs-02.txt
Pages : 13
Date : 2007-7-24
Multiprotocol Label Switching Traffic Engineered (MPLS-TE) Label
Switched Paths (LSPs) may be established wholly within an Autonomous
System (AS) or may cross AS boundaries.
The Path Computation Element (PCE) is a component that is capable of
computing paths for MPLS-TE LSPs. The PCE Communication
Protocol(PCECP) is defined to allow communication between Path
Computation Clients (PCCs) and PCEs, and between PCEs. The PCECP is
used to request paths and to supply computed paths in responses.
Generic requirements for the PCEP are set out in "Path Computation
Element(PCE) Communication Protocol Generic Requirements", RFC 4657.
This document extends those requirements to cover the use of PCEP in
support of inter-AS MPLS-TE.
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