Extensions to the Proxy Mobile IPv6 (PMIPv6) Access Network Identifier Option
RFC 7563

Document Type RFC - Proposed Standard (June 2015; No errata)
Updates RFC 6757
Last updated 2015-10-14
Stream IETF
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Stream WG state Submitted to IESG for Publication
Document shepherd Basavaraj Patil
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IESG IESG state RFC 7563 (Proposed Standard)
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Responsible AD Brian Haberman
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Internet Engineering Task Force (IETF)                     R. Pazhyannur
Request for Comments: 7563                                   S. Speicher
Updates: 6757                                              S. Gundavelli
Category: Standards Track                                  Cisco Systems
ISSN: 2070-1721                                              J. Korhonen
                                                    Broadcom Corporation
                                                       J. Kaippallimalil
                                                                  Huawei
                                                               June 2015

 Extensions to the Proxy Mobile IPv6 (PMIPv6) Access Network Identifier
                                 Option

Abstract

   The Access Network Identifier (ANI) mobility option was introduced in
   RFC 6757, "Access Network Identifier (ANI) Option for Proxy Mobile
   IPv6".  This enables a Mobile Access Gateway (MAG) to convey
   identifiers like the network identifier, geolocation, and operator
   identifier.  This specification extends the Access Network Identifier
   mobility option with sub-options to carry the civic location and the
   MAG group identifier.  This specification also defines an ANI Update-
   Timer sub-option that determines when and how often the ANI option
   will be updated.

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/rfc7563.

Pazhyannur, et al.           Standards Track                    [Page 1]
RFC 7563                    Extensions to ANI                  June 2015

Copyright Notice

   Copyright (c) 2015 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
   2.  Conventions and Terminology . . . . . . . . . . . . . . . . .   4
     2.1.  Conventions . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Protocol Extension  . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Civic-Location Sub-Option . . . . . . . . . . . . . . . .   5
     3.2.  MAG-Group-Identifier Sub-Option . . . . . . . . . . . . .   6
     3.3.  ANI Update-Timer Sub-Option . . . . . . . . . . . . . . .   6
   4.  Protocol Considerations . . . . . . . . . . . . . . . . . . .   7
     4.1.  MAG Considerations  . . . . . . . . . . . . . . . . . . .   7
     4.2.  LMA Considerations  . . . . . . . . . . . . . . . . . . .   8
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  11
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

Pazhyannur, et al.           Standards Track                    [Page 2]
RFC 7563                    Extensions to ANI                  June 2015

1.  Introduction

   "Access Network Identifier (ANI) Option for Proxy Mobile IPv6"
   [RFC6757] introduced the ANI mobility option.  This enabled a Mobile
   Access Gateway (MAG) to provide the Network-Identifier, Geo-Location,
   and Operator-Identifier sub-options.  When the access network is
   WLAN, the Network-Identifier sub-option may contain the Service Set
   Identifier (SSID) and the Basic Service Set Identifier (BSSID) of the
   Access Point (AP) and the geolocation of the AP, and the Operator-
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