A new Request for Comments is now available in online RFC libraries.
RFC 5089
Title: IS-IS Protocol Extensions for Path
Computation Element (PCE) Discovery
Author: JL. Le Roux, Ed.,
JP. Vasseur, Ed.,
Y. Ikejiri, R. Zhang
Status: Standards Track
Date: January 2008
Mailbox: jeanlouis.leroux@orange-ftgroup.com,
jpv@cisco.com,
y.ikejiri@ntt.com, raymond.zhang@bt.com
Pages: 17
Characters: 34257
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-pce-disco-proto-isis-08.txt
URL: http://www.rfc-editor.org/rfc/rfc5089.txt
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 (PCEs),
along with information that can be used by the PCC 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 announce PCEs
consists of using IGP flooding. For that purpose, this document
defines extensions to the Intermediate System to Intermediate System
(IS-IS) routing protocol for the advertisement of PCE Discovery
information within an IS-IS area or within the entire IS-IS routing
domain. [STANDARDS TRACK]
This document is a product of the Path Computation Element
Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements.Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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