A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Extensions to Path Computation Element Communication Protocol (PCEP) for Hierarchical Path Computation Elements (PCE)
Author(s) : Fatai Zhang
Quintin Zhao
Oscar Gonzalez de Dios
Ramon Casellas
Daniel King
Filename : draft-zhang-pce-hierarchy-extensions-02.txt
Pages : 21
Date : 2012-07-16
Abstract:
The Hierarchical Path Computation Element (H-PCE) architecture,
defined in the companion framework document [I-D.ietf-pce-hierarchy-
fwk], facilitates to obtain optimum end-to-end, multi-domain paths
when the sequence of domains is not known in advance. Such H-PCE
architecture allows the selection of an optimum domain sequence and,
through the use of a hierarchical relationship between domains,
derive the optimum end-to-end path.
This document defines the Path Computation Element Protocol (PCEP)
extensions for the purpose of implementing Hierarchical PCE
procedures which are described the aforementioned document.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-zhang-pce-hierarchy-extensions
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-zhang-pce-hierarchy-extensions-02
A diff from previous version is available at:
http://tools.ietf.org/rfcdiff?url2=draft-zhang-pce-hierarchy-extensions-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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