draft-ietf-pce-hierarchy-extensions-00.txt   draft-ietf-pce-hierarchy-extensions-01.txt 
Network Working Group F. Zhang, Ed. Network Working Group F. Zhang, Ed.
Internet-Draft Q. Zhao Internet-Draft Q. Zhao
Intended status: Experimental Huawei Intended status: Experimental Huawei
Expires: February 18, 2014 O. Gonzalez de Dios, Ed. Expires: August, 2014 O. Gonzalez de Dios, Ed.
Telefonica I+D Telefonica I+D
R. Casellas R. Casellas
CTTC CTTC
D. King D. King
Old Dog Consulting Old Dog Consulting
August 18, 2013 February 14, 2014
Extensions to Path Computation Element Communication Protocol (PCEP) for Extensions to Path Computation Element Communication Protocol (PCEP) for
Hierarchical Path Computation Elements (PCE) Hierarchical Path Computation Elements (PCE)
draft-ietf-pce-hierarchy-extensions-00 draft-ietf-pce-hierarchy-extensions-01
Abstract Abstract
The Hierarchical Path Computation Element (H-PCE) architecture, The Hierarchical Path Computation Element (H-PCE) architecture,
defined in the companion framework document [RFC6805], provides a provides a mechanism to allow the optimum sequence of domains to be
mechanism to allow the optimum sequence of domains to be selected, selected,and the optimum end-to-end path to be derived through the
and the optimum end-to-end path to be derived through the use of a use of a hierarchical relationship between domains.
hierarchical relationship between domains.
This document defines the Path Computation Element Protocol (PCEP) This document defines the Path Computation Element Protocol (PCEP)
extensions for the purpose of implementing Hierarchical PCE extensions for the purpose of implementing Hierarchical PCE
procedures which are described in the aforementioned document. These procedures which are described in the aforementioned document. These
extensions are experimental and published for examination, extensions are experimental and published for examination,
discussion, implementation, and evaluation. discussion, implementation, and evaluation.
Status of this Memo Status of this Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
skipping to change at page 1, line 46 skipping to change at page 1, line 45
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on January 14, 2014. This Internet-Draft will expire in August, 2014.
Copyright Notice Copyright Notice
Copyright (c) 2013 IETF Trust and the persons identified as the Copyright (c) 2014 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
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publication of this document. Please review these documents publication of this document. Please review these documents
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include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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