Transmission of IPv6 via the IPv6 Convergence Sublayer over IEEE 802.16 Networks
RFC 5121

Document Type RFC - Proposed Standard (February 2008; Errata)
Last updated 2013-03-02
Stream IETF
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Stream WG state (None)
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IESG IESG state RFC 5121 (Proposed Standard)
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Responsible AD Jari Arkko
Send notices to 16ng-chairs@ietf.org,basavaraj.patil@nokia.com
Network Working Group                                           B. Patil
Request for Comments: 5121                        Nokia Siemens Networks
Category: Standards Track                                         F. Xia
                                                             B. Sarikaya
                                                              Huawei USA
                                                                JH. Choi
                                                             Samsung AIT
                                                          S. Madanapalli
                                                      Ordyn Technologies
                                                           February 2008

         Transmission of IPv6 via the IPv6 Convergence Sublayer
                       over IEEE 802.16 Networks

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.

Abstract

   IEEE Std 802.16 is an air interface specification for fixed and
   mobile Broadband Wireless Access Systems.  Service-specific
   convergence sublayers to which upper-layer protocols interface are a
   part of the IEEE 802.16 MAC (Medium Access Control).  The Packet
   convergence sublayer (CS) is used for the transport of all packet-
   based protocols such as Internet Protocol (IP) and IEEE 802.3 LAN/MAN
   CSMA/CD Access Method (Ethernet).  IPv6 packets can be sent and
   received via the IP-specific part of the Packet CS.  This document
   specifies the addressing and operation of IPv6 over the IP-specific
   part of the Packet CS for hosts served by a network that utilizes the
   IEEE Std 802.16 air interface.  It recommends the assignment of a
   unique prefix (or prefixes) to each host and allows the host to use
   multiple identifiers within that prefix, including support for
   randomly generated interface identifiers.

Patil, et al.               Standards Track                     [Page 1]
RFC 5121           IPv6 via IPv6 CS over IEEE 802.16       February 2008

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  3
   3.  Conventions Used in This Document  . . . . . . . . . . . . . .  4
   4.  IEEE 802.16 Convergence Sublayer Support for IPv6  . . . . . .  4
     4.1.  IPv6 Encapsulation over the IP CS of the MAC . . . . . . .  7
   5.  Generic Network Architecture Using the 802.16 Air Interface  .  8
   6.  IPv6 Link  . . . . . . . . . . . . . . . . . . . . . . . . . .  9
     6.1.  IPv6 Link in 802.16  . . . . . . . . . . . . . . . . . . .  9
     6.2.  IPv6 Link Establishment in 802.16  . . . . . . . . . . . . 10
     6.3.  Maximum Transmission Unit in 802.16  . . . . . . . . . . . 11
   7.  IPv6 Prefix Assignment . . . . . . . . . . . . . . . . . . . . 12
   8.  Router Discovery . . . . . . . . . . . . . . . . . . . . . . . 12
     8.1.  Router Solicitation  . . . . . . . . . . . . . . . . . . . 12
     8.2.  Router Advertisement . . . . . . . . . . . . . . . . . . . 12
     8.3.  Router Lifetime and Periodic Router Advertisements . . . . 13
   9.  IPv6 Addressing for Hosts  . . . . . . . . . . . . . . . . . . 13
     9.1.  Interface Identifier . . . . . . . . . . . . . . . . . . . 13
     9.2.  Duplicate Address Detection  . . . . . . . . . . . . . . . 13
     9.3.  Stateless Address Autoconfiguration  . . . . . . . . . . . 14
     9.4.  Stateful Address Autoconfiguration . . . . . . . . . . . . 14
   10. Multicast Listener Discovery . . . . . . . . . . . . . . . . . 14
   11. Security Considerations  . . . . . . . . . . . . . . . . . . . 14
   12. Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 15
   13. References . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     13.1. Normative References . . . . . . . . . . . . . . . . . . . 15
     13.2. Informative References . . . . . . . . . . . . . . . . . . 16
   Appendix A.  WiMAX Network Architecture and IPv6 Support . . . . . 17
   Appendix B.  IPv6 Link in WiMAX  . . . . . . . . . . . . . . . . . 19
   Appendix C.  IPv6 Link Establishment in WiMAX  . . . . . . . . . . 19
   Appendix D.  Maximum Transmission Unit in WiMAX  . . . . . . . . . 20

Patil, et al.               Standards Track                     [Page 2]
RFC 5121           IPv6 via IPv6 CS over IEEE 802.16       February 2008

1.  Introduction

   IEEE 802.16e is an air interface for fixed and mobile broadband
   wireless access systems.  The IEEE 802.16 [802.16] standard specifies
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