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RFC 4874
Title: Exclude Routes - Extension to
Resource ReserVation Protocol-Traffic Engineering
(RSVP-TE)
Author: CY. Lee, A. Farrel,
S. De Cnodder
Status: Standards Track
Date: April 2007
Mailbox: c.yin.lee@gmail.com,
adrian@olddog.co.uk,
stefaan.de_cnodder@alcatel-lucent.be
Pages: 27
Characters: 59569
Updates: RFC3209, RFC3473
See-Also:
I-D Tag: draft-ietf-ccamp-rsvp-te-exclude-route-06.txt
URL: http://www.rfc-editor.org/rfc/rfc4874.txt
This document specifies ways to communicate route exclusions during
path setup using Resource ReserVation
Protocol-Traffic Engineering (RSVP-TE).
The RSVP-TE specification, "RSVP-TE: Extensions to RSVP for LSP
Tunnels" (RFC 3209) and GMPLS extensions to RSVP-TE, "Generalized
Multi-Protocol Label Switching (GMPLS) Signaling Resource ReserVation
Protocol-Traffic Engineering (RSVP-TE) Extensions" (RFC 3473) allow
abstract nodes and resources to be explicitly included in a path
setup, but not to be explicitly excluded.
In some networks where precise explicit paths are not computed at the
head end, it may be useful to specify and signal abstract nodes and
resources that are to be explicitly excluded from routes. These
exclusions may apply to the whole path, or to parts of a path between
two abstract nodes specified in an explicit path. How Shared Risk
Link Groups (SRLGs) can be excluded is also specified in this
document. [STANDARDS TRACK]
This document is a product of the Common Control and Measurement Plane
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
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