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Diameter Mobile IPv6: Support for Network Access Server to Diameter Server Interaction
RFC 5447

Network Working Group                                   J. Korhonen, Ed.
Request for Comments: 5447                        Nokia Siemens Networks
Category: Standards Track                                   J. Bournelle
                                                             Orange Labs
                                                           H. Tschofenig
                                                  Nokia Siemens Networks
                                                              C. Perkins
                                                                WiChorus
                                                            K. Chowdhury
                                                        Starent Networks
                                                           February 2009

                         Diameter Mobile IPv6:
    Support for Network Access Server to Diameter Server Interaction

Status of This Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (c) 2009 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.

Abstract

   A Mobile IPv6 node requires a home agent address, a home address, and
   a security association with its home agent before it can start
   utilizing Mobile IPv6.  RFC 3775 requires that some or all of these
   parameters be statically configured.  Mobile IPv6 bootstrapping work
   aims to make this information dynamically available to the mobile
   node.  An important aspect of the Mobile IPv6 bootstrapping solution
   is to support interworking with existing Authentication,
   Authorization, and Accounting (AAA) infrastructures.  This document
   describes MIPv6 bootstrapping using the Diameter Network Access
   Server to home AAA server interface.

Korhonen, et al.            Standards Track                     [Page 1]
RFC 5447         Diameter MIPv6 NAS-to-HAAA Interaction    February 2009

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Terminology and Abbreviations  . . . . . . . . . . . . . . . .  3
   3.  Overview . . . . . . . . . . . . . . . . . . . . . . . . . . .  5
   4.  Commands, Attribute-Value Pairs, and Advertising
       Application Support  . . . . . . . . . . . . . . . . . . . . .  6
     4.1.  Advertising Application Support  . . . . . . . . . . . . .  6
     4.2.  Attribute-Value Pair Definitions . . . . . . . . . . . . .  6
       4.2.1.  MIP6-Agent-Info AVP  . . . . . . . . . . . . . . . . .  6
       4.2.2.  MIP-Home-Agent-Address AVP . . . . . . . . . . . . . .  7
       4.2.3.  MIP-Home-Agent-Host AVP  . . . . . . . . . . . . . . .  7
       4.2.4.  MIP6-Home-Link-Prefix AVP  . . . . . . . . . . . . . .  8
       4.2.5.  MIP6-Feature-Vector AVP  . . . . . . . . . . . . . . .  8
   5.  Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
     5.1.  Home Agent Assignment by the NAS . . . . . . . . . . . . . 10
     5.2.  Home Agent Assignment by the Diameter Server . . . . . . . 11
     5.3.  Home Agent Assignment by the NAS or Diameter Server  . . . 11
   6.  Attribute-Value Pair Occurrence Tables . . . . . . . . . . . . 12
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 13
     7.1.  Registration of New AVPs . . . . . . . . . . . . . . . . . 13
     7.2.  New Registry: Mobility Capability  . . . . . . . . . . . . 13
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 14
   9.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 14
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     10.1. Normative References . . . . . . . . . . . . . . . . . . . 15
     10.2. Informative References . . . . . . . . . . . . . . . . . . 15

Korhonen, et al.            Standards Track                     [Page 2]
RFC 5447         Diameter MIPv6 NAS-to-HAAA Interaction    February 2009

1.  Introduction

   The Mobile IPv6 (MIPv6) specification [RFC3775] requires a mobile
   node (MN) to perform registration with a home agent (HA) with
   information about its current point of attachment (care-of address).

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