A Framework for Point-to-Multipoint MPLS in Transport Networks
draft-ietf-mpls-tp-p2mp-framework-01

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Document Type Active Internet-Draft (mpls WG)
Last updated 2013-04-08
Replaces draft-fbb-mpls-tp-p2mp-framework
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MPLS Working Group                                         D. Frost, Ed.
Internet-Draft                                            S. Bryant, Ed.
Intended status: Informational                             Cisco Systems
Expires: October 10, 2013                                  M. Bocci, Ed.
                                                          Alcatel-Lucent
                                                          L. Berger, Ed.
                                                         LabN Consulting
                                                          April 08, 2013

     A Framework for Point-to-Multipoint MPLS in Transport Networks
                  draft-ietf-mpls-tp-p2mp-framework-01

Abstract

   The Multiprotocol Label Switching (MPLS) Transport Profile (MPLS-TP)
   is the common set of MPLS protocol functions defined to enable the
   construction and operation of packet transport networks.  The MPLS-TP
   supports both point-to-point and point-to-multipoint transport paths.
   This document defines the elements and functions of the MPLS-TP
   architecture applicable specifically to supporting point-to-
   multipoint transport paths.

   This document is a product of a joint Internet Engineering Task Force
   (IETF) / International Telecommunication Union Telecommunication
   Standardization Sector (ITU-T) effort to include an MPLS Transport
   Profile within the IETF MPLS and PWE3 architectures to support the
   capabilities and functions of a packet transport network.

Status of This Memo

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   This Internet-Draft will expire on October 10, 2013.

Copyright Notice

Frost, et al.           Expires October 10, 2013                [Page 1]
Internet-Draft   MPLS Transport Profile P2MP Framework        April 2013

   Copyright (c) 2013 IETF Trust and the persons identified as the
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Scope . . . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
       1.2.1.  Additional Definitions and Terminology  . . . . . . .   3
     1.3.  Applicability . . . . . . . . . . . . . . . . . . . . . .   3
   2.  MPLS Transport Profile Point-to-Multipoint Requirements . . .   4
   3.  Architecture  . . . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  MPLS-TP Encapsulation and Forwarding  . . . . . . . . . .   5
   4.  Operations, Administration and Maintenance (OAM)  . . . . . .   5
   5.  Control Plane . . . . . . . . . . . . . . . . . . . . . . . .   6
     5.1.  Point-to-Multipoint LSP Control Plane . . . . . . . . . .   6
     5.2.  Point-to-Multipoint PW Control Plane  . . . . . . . . . .   7
   6.  Survivability . . . . . . . . . . . . . . . . . . . . . . . .   7
   7.  Network Management  . . . . . . . . . . . . . . . . . . . . .   7
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   8
     10.2.  Informative References . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  10

1.  Introduction

   The Multiprotocol Label Switching (MPLS) Transport Profile (MPLS-TP)
   is the common set of MPLS protocol functions defined to meet the
   requirements specified in [RFC5654].  The MPLS-TP Framework [RFC5921]
   provides an overall introduction to the MPLS-TP and defines the
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