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Access Network Identifier (ANI) Option for Proxy Mobile IPv6
RFC 6757

Internet Engineering Task Force (IETF)                S. Gundavelli, Ed.
Request for Comments: 6757                                         Cisco
Category: Standards Track                               J. Korhonen, Ed.
ISSN: 2070-1721                                   Nokia Siemens Networks
                                                              M. Grayson
                                                                K. Leung
                                                           R. Pazhyannur
                                                                   Cisco
                                                            October 2012

      Access Network Identifier (ANI) Option for Proxy Mobile IPv6

Abstract

   The local mobility anchor in a Proxy Mobile IPv6 (PMIPv6) domain is
   able to provide access-network- and access-operator-specific handling
   or policing of the mobile node traffic using information about the
   access network to which the mobile node is attached.  This
   specification defines a mechanism and a related mobility option for
   carrying the access network identifier and the access operator
   identification information from the mobile access gateway to the
   local mobility anchor over Proxy Mobile IPv6.

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/rfc6757.

Copyright Notice

   Copyright (c) 2012 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

Gundavelli, et al.           Standards Track                    [Page 1]
RFC 6757            Access Network Identifier Option        October 2012

   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
   2. Conventions and Terminology .....................................5
      2.1. Conventions ................................................5
      2.2. Terminology ................................................5
   3. Access Network Identifier Option ................................5
      3.1. Format of the Access Network Identifier Sub-Option .........6
           3.1.1. Network-Identifier Sub-Option .......................7
           3.1.2. Geo-Location Sub-Option .............................8
           3.1.3. Operator-Identifier Sub-Option ......................9
   4. Protocol Considerations ........................................10
      4.1. Mobile Access Gateway Considerations ......................10
      4.2. Local Mobility Anchor Considerations ......................13
   5. IANA Considerations ............................................14
   6. Protocol Configuration Variables ...............................15
   7. Security Considerations ........................................16
   8. Acknowledgements ...............................................17
   9. References .....................................................17
      9.1. Normative References ......................................17
      9.2. Informative References ....................................18

Gundavelli, et al.           Standards Track                    [Page 2]
RFC 6757            Access Network Identifier Option        October 2012

1.  Introduction

   Proxy Mobile IPv6 [RFC5213] can be used for supporting network-based
   mobility management in various types of network deployments.  Network
   architectures such as service provider Wi-Fi access aggregation or
   Wireless Local Area Network (WLAN) integrated with mobile packet core
   are examples where Proxy Mobile IPv6 is a component of the overall
   architecture.  Some of these architectures require the ability of the
   local mobility anchor (LMA) [RFC5213] to provide differentiated
   services and policing of traffic to the mobile nodes based on the

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