RADIUS Attributes for Address plus Port based Softwire Mechanisms
draft-ietf-softwire-map-radius-16

Document Type Active Internet-Draft (softwire WG)
Last updated 2018-06-26
Replaces draft-jiang-softwire-map-radius
Stream IETF
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Document shepherd Yong Cui
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Softwire                                                   S. Jiang, Ed.
Internet-Draft                              Huawei Technologies Co., Ltd
Intended status: Standards Track                              Y. Fu, Ed.
Expires: December 28, 2018                                         CNNIC
                                                                  B. Liu
                                            Huawei Technologies Co., Ltd
                                                               P. Deacon
                                                      IEA Software, Inc.
                                                                  C. Xie
                                                           China Telecom
                                                                   T. Li
                                                     Tsinghua University
                                                            M. Boucadair
                                                                  Orange
                                                           June 26, 2018

   RADIUS Attributes for Address plus Port based Softwire Mechanisms
                   draft-ietf-softwire-map-radius-16

Abstract

   IPv4-over-IPv6 transition mechanisms provide both IPv4 and IPv6
   connectivity services simultaneously during the IPv4/IPv6 co-
   existence period.  DHCPv6 options have been defined for configuring
   clients to use MAP-E, MAP-T, Lightweight 4over6 and Multicast Basic
   Bridging BroadBand (mB4) in multicast scenarios.  However, in many
   networks, the configuration information may be stored in an AAA
   server, while user configuration information is mainly provided by
   the BNG through the DHCPv6 protocol.  This document defines three new
   RADIUS attributes that carry CE or mB4 configuration information from
   an AAA server to BNG.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

Jiang, Ed., et al.      Expires December 28, 2018               [Page 1]
Internet-Draft      draft-ietf-softwire-map-radius-16          June 2018

   This Internet-Draft will expire on December 28, 2018.

Copyright Notice

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   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Configuration process with RADIUS . . . . . . . . . . . . . .   4
   4.  Attributes  . . . . . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Softwire46-Configuration Attribute  . . . . . . . . . . .   8
     4.2.  Softwire46 TLVs . . . . . . . . . . . . . . . . . . . . .   9
     4.3.  Softwire46 Sub TLVs . . . . . . . . . . . . . . . . . . .  11
     4.4.  The format of Softwire46 Sub TLVs . . . . . . . . . . . .  13
       4.4.1.  S46-Rule Sub TLV  . . . . . . . . . . . . . . . . . .  13
       4.4.2.  S46-BR Sub TLV  . . . . . . . . . . . . . . . . . . .  14
       4.4.3.  S46-DMR Sub TLV . . . . . . . . . . . . . . . . . . .  15
       4.4.4.  S46-V4V6Bind Sub TLV  . . . . . . . . . . . . . . . .  16
       4.4.5.  S46-PORTPARAMS Sub TLV  . . . . . . . . . . . . . . .  16
     4.5.  Sub-TLVs for S46-Rule Sub TLV . . . . . . . . . . . . . .  17
       4.5.1.  Rule-IPv6-Prefix sub-TLV  . . . . . . . . . . . . . .  17
       4.5.2.  Rule-IPv4-Prefix Sub-TLV  . . . . . . . . . . . . . .  18
       4.5.3.  EA-Length Sub-TLV . . . . . . . . . . . . . . . . . .  19
     4.6.  Sub-TLVs for S46-v4v6Bind Sub TLV . . . . . . . . . . . .  19
       4.6.1.  The IPv4-address sub-TLV  . . . . . . . . . . . . . .  19
       4.6.2.  The Bind-IPv6-Prefix Sub-TLV  . . . . . . . . . . . .  19
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