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Generalized MPLS (GMPLS) Support for Metro Ethernet Forum and G.8011 User Network Interface (UNI)
RFC 6005

Internet Engineering Task Force (IETF)                         L. Berger
Request for Comments: 6005                                          LabN
Category: Standards Track                                       D. Fedyk
ISSN: 2070-1721                                           Alcatel-Lucent
                                                            October 2010

       Generalized MPLS (GMPLS) Support for Metro Ethernet Forum
                and G.8011 User Network Interface (UNI)

Abstract

   This document describes a method for controlling two specific types
   of Ethernet switching via a GMPLS-based User Network Interface (UNI).
   This document supports the types of switching required by the
   Ethernet services that have been defined in the context of the Metro
   Ethernet Forum (MEF) and International Telecommunication Union (ITU)
   G.8011.  This document is the UNI companion to "Generalized MPLS
   (GMPLS) Support for Metro Ethernet Forum and G.8011 Ethernet Service
   Switching".  This document does not define or limit the underlying
   intra-domain or Internal NNI (I-NNI) technology used to support the
   UNI.

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/rfc6005.

Berger & Fedyk               Standards Track                    [Page 1]
RFC 6005          GMPLS Support for MEF and G.8011 UNI      October 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. Overview ...................................................4
      1.2. Conventions Used in This Document ..........................5
   2. Common Signaling Support ........................................5
      2.1. UNI Addressing .............................................5
      2.2. Ethernet Endpoint (UNI) Identification .....................6
           2.2.1. Address Resolution ..................................6
      2.3. Connection Identification ..................................7
   3. EPL Service .....................................................7
   4. EVPL Service ....................................................7
      4.1. Egress VLAN ID Control and VLAN ID Preservation ............7
   5. IANA Considerations .............................................8
      5.1. Error Value: Routing Problem/Unknown Endpoint ..............8
   6. Security Considerations .........................................8
   7. References ......................................................8
      7.1. Normative References .......................................8
      7.2. Informative References .....................................9
   Acknowledgments ....................................................9

Berger & Fedyk               Standards Track                    [Page 2]
RFC 6005          GMPLS Support for MEF and G.8011 UNI      October 2010

1.  Introduction

   [MEF6] and [G.8011] provide parallel frameworks for defining network-
   oriented characteristics of Ethernet services in transport networks.
   The framework discusses general Ethernet connection characteristics,
   Ethernet User Network Interfaces (UNIs), and Ethernet Network-Network
   Interfaces (NNIs).  Within this framework, [G.8011.1] defines the
   Ethernet Private Line (EPL) service and [G.8011.2] defines the
   Ethernet Virtual Private Line (EVPL) service. [MEF6] covers both
   service types.  [MEF10.1] defines service parameters and [MEF11]
   provides UNI requirements and framework.

   This document provides a method for GMPLS-based control of Label
   Switched Paths (LSPs) that support the transport services defined in

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