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Generalized Multiprotocol Label Switching (GMPLS) Ethernet Label Switching Architecture and Framework
RFC 5828

Internet Engineering Task Force (IETF)                          D. Fedyk
Request for Comments: 5828                                Alcatel-Lucent
Category: Informational                                        L. Berger
ISSN: 2070-1721                                                     LabN
                                                            L. Andersson
                                                                Ericsson
                                                              March 2010

       Generalized Multiprotocol Label Switching (GMPLS) Ethernet
               Label Switching Architecture and Framework

Abstract

   There has been significant recent work in increasing the capabilities
   of Ethernet switches and Ethernet forwarding models.  As a
   consequence, the role of Ethernet is rapidly expanding into
   "transport networks" that previously were the domain of other
   technologies such as Synchronous Optical Network (SONET) /
   Synchronous Digital Hierarchy (SDH), Time-Division Multiplexing
   (TDM), and Asynchronous Transfer Mode (ATM).  This document defines
   an architecture and framework for a Generalized-MPLS-based control
   plane for Ethernet in this "transport network" capacity.  GMPLS has
   already been specified for similar technologies.  Some additional
   extensions to the GMPLS control plane are needed, and this document
   provides a framework for these extensions.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   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).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see 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/rfc5828.

Fedyk, et al.                 Informational                     [Page 1]
RFC 5828             GMPLS Ethernet LS Architecture           March 2010

Copyright Notice

   Copyright (c) 2010 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
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1. Introduction ....................................................3
      1.1. Terminology ................................................5
           1.1.1. Concepts ............................................5
           1.1.2. Abbreviations and Acronyms ..........................6
   2. Background ......................................................7
      2.1. Ethernet Switching .........................................7
      2.2. Operations, Administration, and Maintenance (OAM) .........10
      2.3. Ethernet Switching Characteristics ........................10
   3. Framework ......................................................11
   4. GMPLS Routing and Addressing Model .............................13
      4.1. GMPLS Routing .............................................13
      4.2. Control Plane Network .....................................14
   5. GMPLS Signaling ................................................14
   6. Link Management ................................................15
   7. Path Computation and Selection .................................16
   8. Multiple VLANs .................................................17
   9. Security Considerations ........................................17
   10. References ....................................................18
      10.1. Normative References .....................................18
      10.2. Informative References ...................................18
   11. Acknowledgments ...............................................20

Fedyk, et al.                 Informational                     [Page 2]
RFC 5828             GMPLS Ethernet LS Architecture           March 2010

1.  Introduction

   There has been significant recent work in increasing the capabilities

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