Vehicular Mobility Management for IP-Based Vehicular Networks
draft-jeong-ipwave-vehicular-mobility-management-01

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IPWAVE Working Group                                            J. Jeong
Internet-Draft                                                   Y. Shen
Intended status: Standards Track                                Z. Xiang
Expires: January 9, 2020                         Sungkyunkwan University
                                                            July 8, 2019

     Vehicular Mobility Management for IP-Based Vehicular Networks
          draft-jeong-ipwave-vehicular-mobility-management-01

Abstract

   This document specifies a Vehicular Mobility Management (VMM) scheme
   for IP-based vehicular networks.  The VMM scheme takes advantage of a
   vehicular link model based on a multi-link subnet.  With a vehicle's
   mobility information (e.g., position, speed, and direction) and
   navigation path (i.e., trajectory), it can provide a moving vehicle
   with proactive and seamless handoff along with its trajectory.

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Jeong, et al.            Expires January 9, 2020                [Page 1]
Internet-Draft        Vehicular Mobility Management            July 2019

   the Trust Legal Provisions and are provided without warranty as
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements Language . . . . . . . . . . . . . . . . . . . .   3
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Vehicular Network Architecture  . . . . . . . . . . . . . . .   4
     4.1.  Vehicular Network . . . . . . . . . . . . . . . . . . . .   4
   5.  Mobility Management . . . . . . . . . . . . . . . . . . . . .   6
     5.1.  Network Attachment of a Vehicle . . . . . . . . . . . . .   6
     5.2.  Handoff within One Prefix Domain  . . . . . . . . . . . .   8
     5.3.  Handoff between Multiple Prefix Domains . . . . . . . . .  10
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  12
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  12
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Appendix A.  Changes from draft-jeong-ipwave-vehicular-mobility-
                management-00  . . . . . . . . . . . . . . . . . . .  14
   Appendix B.  Acknowledgments  . . . . . . . . . . . . . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  14

1.  Introduction

   This document proposes a mobility management scheme for IP-based
   vehicular networks, which is called Vehicular Mobility Management
   (VMM).  The VMM is tailored for a vehicular network architecture and
   a vehicular link model described in the IPWAVE problem statement
   document [I-D.IPWAVE-PS].

   To support the interaction between vehicles or between vehicles and
   Rode-Side Units (RSUs), Vehicular Neighbor Discovery (VND) is
   proposed as an enhanced IPv6 Neighbor Discovery (ND) for IP-based
   vehicular networks [I-D.IPWAVE-VND].  For an efficient IPv6 Stateless
   Address Autoconfiguration (SLAAC) [RFC4862], VND adopts an optimized
   Address Registration using a multihop Duplicate Address Detection
   (DAD).  This multihop DAD enables a vehicle to have a unique IP
   address in a multi-link subnet that consists of multiple wireless
   subnets with the same IP prefix, which corresponds to wireless
   coverage of multiple RSUs.  Also, VND supports IP packet routing via
   a connected Vehicular Ad Hoc Network (VANET) by letting vehicles
   exchange the prefixes of their internal networks through their
   external wireless interface.

   The mobility management in this multi-link subnet needs a new
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