A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : PCE Applicability for Inter-Layer MPLS and GMPLS Traffic Engineering
Author(s) : E. Oki, et al.
Filename : draft-oki-pce-inter-layer-app-00.txt
Pages : 16
Date : 2006-2-9
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 the applicability of 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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