I-D ACTION:draft-zhang-pce-comm-app-model-00.txt

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	Title		: PCE Communication Protocol Application Model
	Author(s)	: R. Zhang, D. Li
	Filename	: draft-zhang-pce-comm-app-model-00.txt
	Pages		: 10
	Date		: 2005-6-13
	
In an environment where multiple PCEs are responsible for computing
   paths in a domain, there is a greater possibility of race conditions
   compared to traditional methods. Fast convergence of network state,
   e.g. TED, LSPs, is more important for PCEs. Furthermore, load
   balancing of computation should be considered among these PCEs.
   
   This document is not intended to provide a detailed description of
   all the architectural components of the PCE communication protocol.
   Rather, it specifies the Global Computing Table (GCT) along with
   corresponding mechanisms and procedures to resolve some predictable
   problems in PCEs, especially in situations where multiple PCEs are
   responsible for computing TE LSPs path in a domain. It is hoped that
   these mechanisms can cooperate with the PCE communication protocol to
   improve the abilities of the protocol.

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