I-D ACTION:draft-lee-pce-global-concurrent-optimization-01.txt

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	Title		: Path Computation Element Communication 
                          Protocol (PCECP) Requirements and Protocol 
                          Extensions In Support of Global Concurrent Optimization
	Author(s)	: Y. Lee, et al.
	Filename	: draft-lee-pce-global-concurrent-optimization-01.txt
	Pages		: 31
	Date		: 2007-1-29
	
The Path Computation Element (PCE) is a network component,
   application, or node that is capable of performing path computations
   at the request of Path Computation Clients (PCCs).  The PCE is
   applied in Multiprotocol Label Switching Traffic Engineering
   (MPLS-TE) networks and in Generalized MPLS (GMPLS) networks to
   determine the routes of Label Switched Paths (LSPs) through the
   network.  The Path Computation Element Communication Protocol (PCEP)
   is specified for communications between PCCs and PCEs, and between
   cooperating PCEs.

   When computing or re-optimizing the routes of a set of LSPs through a
   network it may be advantageous to perform bulk path computations in
   order to avoid blocking problems and to achieve more optimal network-
   wide solutions.  Such bulk optimization is termed Global Concurrent
   Optimization.

   This document provides application-specific requirements and the PCEP
   extensions in support of a global concurrent path computation
   application.

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