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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