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LDP Extensions for Multi-Topology (RFC7307) Disclosure Number: IPCOM000237962D
Original Publication Date: 2014-Jul-01
Included in the Prior Art Database: 2014-Jul-23
Document File: 40 page(s) / 40K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

Q. Zhao: AUTHOR [+5]


Multi-Topology (MT) routing is supported in IP networks with the use of MT-aware IGPs. It would be advantageous for Communications Service Providers (CSPs) to support an MPLS Multi-Topology (MPLS-MT) environment. The benefits of MPLS-MT technology are features for various network scenarios, including:

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Internet Engineering Task Force (IETF)                           Q. Zhao Request for Comments: 7307                             Huawei Technology Category: Standards Track                                        K. Raza ISSN: 2070-1721                                                  C. Zhou                                                            Cisco Systems                                                                  L. Fang                                                                Microsoft                                                                    L. Li                                                             China Mobile                                                                  D. King                                                       Old Dog Consulting                                                                July 2014

                    LDP Extensions for Multi-Topology


   Multi-Topology (MT) routing is supported in IP networks with the use    of MT-aware IGPs.  In order to provide MT routing within    Multiprotocol Label Switching (MPLS) Label Distribution Protocol    (LDP) networks, new extensions are required.

   This document describes the LDP protocol extensions required to    support MT routing in an MPLS environment.

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

 Zhao, et al.                 Standards Track                    [Page 1]
 RFC 7307              LDP Multi-Topology Extensions            July 2014

 Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal  ...