[Pce] I-D ACTION:draft-ietf-pce-interas-pcecp-reqs-04.txt

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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
	Filename	: draft-ietf-pce-interas-pcecp-reqs-04.txt
	Pages		: 13
	Date		: 2008-2-22

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 response. 
   Generic requirements for the PCECP are set out in "Path Computation 
   Element(PCE) Communication Protocol Generic Requirements", RFC 4657. 
   This document extends those requirements to cover the use of PCECP 
   in support of inter-AS MPLS-TE.

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