A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Path Computation Element (PCE) Protocol Extension for Stateful PCE Usage in GMPLS Networks
Author(s) : Xian Zhang
Young Lee
Ramon Casellas
Oscar Gonzalez de Dios
Filename : draft-zhang-pce-pcep-stateful-pce-gmpls-01.txt
Pages : 15
Date : 2012-10-18
Abstract:
The Path Computation Element (PCE) facilitates Traffic Engineering
(TE) based path calculation in large, multi-domain, multi-region, or
multi-layer networks. PCE can be stateless or stateful. With the LSP
state information acquired from the network, a stateful PCE enables
a wide variety of applications, especially in GMPLS networks, such
as impairment-aware routing and wavelength assignment in wavelength-
switched optical networks (WSON), time-based scheduling applications.
This memo provides extensions required for PCE communication
protocol (i.e. PCEP) so as to enable the usage of a stateful PCE
capability in GMPLS networks. To be more specific, the PCEP
extensions specified in this memo include not only new objects but
also modification of existing objects in PCEP messages.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-zhang-pce-pcep-stateful-pce-gmpls
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-zhang-pce-pcep-stateful-pce-gmpls-01
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-zhang-pce-pcep-stateful-pce-gmpls-01
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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