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Generalized MPLS (GMPLS) Protocol Extensions for Multi-Layer and Multi-Region Networks (MLN/MRN) (RFC6001)

IP.com Disclosure Number: IPCOM000200409D
Original Publication Date: 2010-Oct-01
Included in the Prior Art Database: 2010-Oct-11
Document File: 48 page(s) / 53K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Papadimitriou: AUTHOR [+5]


Generalized Multi-Protocol Label Switching (GMPLS) [RFC3945] extends MPLS to handle multiple switching technologies: packet switching (PSC), Layer 2 switching (L2SC), Time-Division Multiplexing (TDM) Switching, wavelength switching (LSC) and fiber switching (FSC). A GMPLS switching type (PSC, TDM, etc.) describes the ability of a node to forward data of a particular data plane technology, and uniquely identifies a control plane LSP region. LSP regions are defined in [RFC4206]. A network comprised of multiple switching types (e.g., PSC and TDM) controlled by a single GMPLS control plane instance is called a Multi-Region Network (MRN).

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Internet Engineering Task Force (IETF)                  D. Papadimitriou Request for Comments: 6001                                  M. Vigoureux Updates: 4202, 4203, 4206, 4874, 4974, 5307               Alcatel-Lucent Category: Standards Track                                    K. Shiomoto ISSN: 2070-1721                                                      NTT                                                              D. Brungard                                                                      ATT                                                              JL. Le Roux                                                           France Telecom                                                             October 2010

               Generalized MPLS (GMPLS) Protocol Extensions           for Multi-Layer and Multi-Region Networks (MLN/MRN)


   There are specific requirements for the support of networks    comprising Label Switching Routers (LSRs) participating in different    data plane switching layers controlled by a single Generalized Multi-    Protocol Label Switching (GMPLS) control plane instance, referred to    as GMPLS Multi-Layer Networks / Multi-Region Networks (MLN/MRN).

   This document defines extensions to GMPLS routing and signaling    protocols so as to support the operation of GMPLS Multi-Layer /    Multi-Region Networks.  It covers the elements of a single GMPLS    control plane instance controlling multiple Label Switched Path (LSP)    regions or layers within a single Traffic Engineering (TE) domain.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc6001.

Papadimitriou, et al.        Standards Track                    [Page 1]
 RFC 6001          GMPLS Protocol Extensions for MLN/MRN     October 2010

 Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the    document authors.  All rights reserved...