RADIUS Attribute for MAP
draft-ietf-softwire-map-radius-00

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Document Type Active Internet-Draft (softwire WG)
Last updated 2013-06-26
Replaces draft-jiang-softwire-map-radius
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Network Working Group                             Sheng Jiang (Editor)
Internet Draft                                                   Yu Fu
Intended status: Standards Track                              Bing Liu
Expires: December 27, 2013                Huawei Technologies Co., Ltd
                                                          Peter Deacon
                                                    IEA Software, Inc.
                                                         June 26, 2013

                        RADIUS Attribute for MAP

                 draft-ietf-softwire-map-radius-00.txt

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Jiang, et al.         Expires December 27, 2013               [Page 1]
Internet-Draft    draft-ietf-softwire-map-radius-00          June 2013

Abstract

   Mapping of Address and Port (MAP) is a stateless mechanism for
   running IPv4 over IPv6-only infrastructure. It provides both IPv4 and
   IPv6 connectivity services simultaneously during the IPv4/IPv6 co-
   existing period. The Dynamic Host Configuration Protocol for IPv6
   (DHCPv6) MAP options has been defined to configure MAP Customer Edge
   (CE). However, in many networks, the configuration information may be
   stored in Authentication Authorization and Accounting (AAA) servers
   while user configuration is mainly from Broadband Network Gateway
   (BNG) through DHCPv6 protocol. This document defines a Remote
   Authentication Dial In User Service (RADIUS) attribute that carries
   MAP configuration information from AAA server to BNG. The MAP RADIUS
   attribute are designed following the simplify principle. It provides
   just enough information to form the correspondent DHCPv6 MAP option.

Table of Contents

   1. Introduction ................................................. 3
   2. Terminology .................................................. 3
   3. MAP Configuration process with RADIUS ........................ 3
   4. Attributes ................................................... 6
      4.1. MAP-Configuration Attribute ............................. 6
      4.2. MAP Rule Options ........................................ 6
      4.3. Sub Options for MAP Rule Option ......................... 7
         4.3.1. Rule-IPv6-Prefix Sub Option ........................ 7
         4.3.2. Rule-IPv4-Prefix Sub Option ........................ 8
         4.3.3. Encapsulation/Translation Flag Sub Option........... 9
         4.3.4. PSID Sub Option ................................... 10
         4.3.5. PSID Length Sub Option ............................ 10
         4.3.6. PSID Offset Sub Option ............................ 11
      4.4. Table of attributes .................................... 11
   5. Diameter Considerations ..................................... 12
   6. Security Considerations ..................................... 12
   7. IANA Considerations ......................................... 12
   8. Acknowledgments ............................................. 12
   9. References .................................................. 13
      9.1. Normative References ................................... 13
      9.2. Informative References ................................. 14

Jiang, et al.         Expires December 27, 2013               [Page 2]
Internet-Draft    draft-ietf-softwire-map-radius-00          June 2013

1. Introduction

   Recently providers start to deploy IPv6 and consider how to transit
   to IPv6. Mapping of Address and Port (MAP)
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