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 : PCE Communication Protocol Generic Requirements
Author(s) : J. Ash, et al.
Filename : draft-ietf-pce-comm-protocol-gen-reqs-00.txt
Pages : 15
Date : 2005-5-16
Constraint-based path computation is a fundamental building block for
traffic engineering systems such as multiprotocol label switching
(MPLS) and generalized multiprotocol label switching (GMPLS)
networks. Path computation in large, multi-domain or multi-layer
networks is highly complex and may require special computational
components and cooperation between the different network domains.
There are multiple components in the Path Computation Element (PCE)-
based path computation model, including PCE discovery and the PCE
communication protocol. The PCE model is described in the "PCE
Architecture" document and facilitates path computation requests from
Path Computation Clients (PCCs) to PCEs. This document specifies
generic requirements for a communication protocol between PCCs and
PCEs, and between PCEs where cooperation between PCEs is desirable.
Subsequent documents will specify application-specific requirements
for the PCE communication protocol.
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