[Pce] I-D ACTION:draft-ietf-pce-inter-layer-frwk-01.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element Working Group of the IETF.

	Title		: Framework for PCE-Based Inter-Layer MPLS and 
                          GMPLS Traffic Engineering
	Author(s)	: E. Oki, et al.
	Filename	: draft-ietf-pce-inter-layer-frwk-01.txt
	Pages		: 16
	Date		: 2006-6-27

A network may comprise of multiple layers. It is important to 
     globally optimize network resources utilization, taking into 
     account all layers, rather than optimizing resource utilization at 
     each layer independently. This allows better network efficiency to 
     be achieved through a process that we call inter-layer traffic 
     engineering. The Path Computation Element (PCE) can be a powerful 
     tool to achieve inter-layer traffic engineering. 

     This document describes a framework for the PCE-based path 
     computation architecture to inter-layer MPLS and GMPLS traffic 
     engineering. It provides suggestions for the deployment of PCE in 
     support of multi-layer networks. This document also describes 
     network models where PCE performs inter-layer traffic engineering,       
     and the relationship between PCE and a functional component called 
     the Virtual Network Topology Manager (VNTM).

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