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This draft is a work item of the Path Computation Element Working Group of the
IETF.
Title : OSPF protocol extensions for Path Computation Element
(PCE) Discovery
Author(s) : J. Le Roux, et al.
Filename : draft-ietf-pce-disco-proto-ospf-05.txt
Pages : 22
Date : 2007-5-8
There are various circumstances where it is highly desirable for a
Path Computation Client (PCC) to be able to dynamically and
automatically discover a set of Path Computation Elements (PCE),
along with some information that can be used for PCE selection. When
the PCE is a Label Switching Router (LSR) participating in the
Interior Gateway Protocol (IGP), or even a server participating
passively in the IGP, a simple and efficient way to discover PCEs
consists of using IGP flooding. For that purpose, this document
defines extensions to the Open Shortest Path First (OSPF) routing
protocol for the advertisement of PCE Discovery information within an
OSPF area or within the entire OSPF routing domain.
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