A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Definition of Virtual Network Topology Manager
(VNTM) for PCE-based Inter-Layer MPLS and
GMPLS Traffic Engineering
Author(s) : E. Oki, et al.
Filename : draft-oki-pce-vntm-def-00.txt
Pages : 15
Date : 2006-6-19
A network may be built from multiple layers that may be technology-
specific divisions, or may be administrative divisions. It is
important to globally optimize network resource 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 (TE).
The Virtual Network Topology (VNT) is defined as the network
topology formed by lower-layer LSPs and advertised to the higher
layer as TE links. The Path Computation Element (PCE) can be a
powerful tool to achieve inter-layer traffic engineering, but
requires a separate function to manage and control the VNT.
This document defines the VNT Manager (VNTM), which manages and
controls the VNT for PCE-based inter-layer traffic engineering.
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