draft-ietf-ipwave-vehicular-networking-05.txt   draft-ietf-ipwave-vehicular-networking-06.txt 
IPWAVE Working Group J. Jeong, Ed. IPWAVE Working Group J. Jeong, Ed.
Internet-Draft Sungkyunkwan University Internet-Draft Sungkyunkwan University
Intended status: Informational October 22, 2018 Intended status: Informational October 22, 2018
Expires: April 25, 2019 Expires: April 25, 2019
IP Wireless Access in Vehicular Environments (IPWAVE): Problem Statement IP Wireless Access in Vehicular Environments (IPWAVE): Problem Statement
and Use Cases and Use Cases
draft-ietf-ipwave-vehicular-networking-05 draft-ietf-ipwave-vehicular-networking-06
Abstract Abstract
This document discusses the problem statement and use cases on IP- This document discusses the problem statement and use cases on IP-
based vehicular networks, which are considered a key component of based vehicular networks, which are considered a key component of
Intelligent Transportation Systems (ITS). The main scenarios of Intelligent Transportation Systems (ITS). The main scenarios of
vehicular communications are vehicle-to-vehicle (V2V), vehicle-to- vehicular communications are vehicle-to-vehicle (V2V), vehicle-to-
infrastructure (V2I), and vehicle-to-everything (V2X) communications. infrastructure (V2I), and vehicle-to-everything (V2X) communications.
First, this document surveys use cases using V2V, V2I, and V2X First, this document surveys use cases using V2V, V2I, and V2X
networking. Second, it analyzes proposed protocols for IP-based networking. Second, it analyzes proposed protocols for IP-based
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7. Informative References . . . . . . . . . . . . . . . . . . . 19 7. Informative References . . . . . . . . . . . . . . . . . . . 19
Appendix A. Relevant Topics to IPWAVE Working Group . . . . . . 27 Appendix A. Relevant Topics to IPWAVE Working Group . . . . . . 27
A.1. Vehicle Identity Management . . . . . . . . . . . . . . . 27 A.1. Vehicle Identity Management . . . . . . . . . . . . . . . 27
A.2. Multihop V2X . . . . . . . . . . . . . . . . . . . . . . 27 A.2. Multihop V2X . . . . . . . . . . . . . . . . . . . . . . 27
A.3. Multicast . . . . . . . . . . . . . . . . . . . . . . . . 27 A.3. Multicast . . . . . . . . . . . . . . . . . . . . . . . . 27
A.4. DNS Naming Services and Service Discovery . . . . . . . . 28 A.4. DNS Naming Services and Service Discovery . . . . . . . . 28
A.5. IPv6 over Cellular Networks . . . . . . . . . . . . . . . 28 A.5. IPv6 over Cellular Networks . . . . . . . . . . . . . . . 28
A.5.1. Cellular V2X (C-V2X) Using 4G-LTE . . . . . . . . . . 28 A.5.1. Cellular V2X (C-V2X) Using 4G-LTE . . . . . . . . . . 28
A.5.2. Cellular V2X (C-V2X) Using 5G . . . . . . . . . . . . 29 A.5.2. Cellular V2X (C-V2X) Using 5G . . . . . . . . . . . . 29
Appendix B. Changes from draft-ietf-ipwave-vehicular- Appendix B. Changes from draft-ietf-ipwave-vehicular-
networking-04 . . . . . . . . . . . . . . . . . . . 29 networking-05 . . . . . . . . . . . . . . . . . . . 29
Appendix C. Acknowledgments . . . . . . . . . . . . . . . . . . 29 Appendix C. Acknowledgments . . . . . . . . . . . . . . . . . . 29
Appendix D. Contributors . . . . . . . . . . . . . . . . . . . . 29 Appendix D. Contributors . . . . . . . . . . . . . . . . . . . . 29
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 32 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 31
1. Introduction 1. Introduction
Vehicular networking studies have mainly focused on driving safety, Vehicular networking studies have mainly focused on driving safety,
driving efficiency, and entertainment in road networks. The Federal driving efficiency, and entertainment in road networks. The Federal
Communications Commission (FCC) in the US allocated wireless channels Communications Commission (FCC) in the US allocated wireless channels
for Dedicated Short-Range Communications (DSRC) [DSRC], service in for Dedicated Short-Range Communications (DSRC) [DSRC], service in
the Intelligent Transportation Systems (ITS) Radio Service in the the Intelligent Transportation Systems (ITS) Radio Service in the
5.850 - 5.925 GHz band (5.9 GHz band). DSRC-based wireless 5.850 - 5.925 GHz band (5.9 GHz band). DSRC-based wireless
communications can support vehicle-to-vehicle (V2V), vehicle-to- communications can support vehicle-to-vehicle (V2V), vehicle-to-
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providing authentication, authorization, and accounting (AAA) providing authentication, authorization, and accounting (AAA)
services in vehicular networks [VNET-AAA]. services in vehicular networks [VNET-AAA].
*-------------* *-------------*
* * +-------+ * * +-------+
* Vehicular Cloud *<------>| TCC | * Vehicular Cloud *<------>| TCC |
* * +_______+ * * +_______+
*-------------* *-------------*
^ ^ ^ ^
| | | |
| V2I V2I | | |
v v v v
+--------+ +--------+ +--------+ Ethernet +--------+
| RSU1 |<----------->| RSU2 | | RSU1 |<----------->| RSU2 |
+________+ +________+ +________+ +________+
^ ^ ^ ^ ^ ^
: : : : : :
: : : V2I : : V2I V2I :
v v v v v v
+--------+ +--------+ +--------+ +--------+ +--------+ +--------+
|Vehicle1|=> |Vehicle2|=> |Vehicle3|=> |Vehicle1|==> |Vehicle2|==> |Vehicle3|==>
| |<....>| |<....>| | | |<....>| |<....>| |
+________+ V2V +________+ V2V +________+ +________+ V2V +________+ V2V +________+
<----> Wired Link <....> Wireless Link => Moving Direction <----> Wired Link <....> Wireless Link ==> Moving Direction
Figure 1: A Vehicular Network Architecture for V2I and V2V Networking Figure 1: A Vehicular Network Architecture for V2I and V2V Networking
4.2. General Problems 4.2. General Problems
This section describes a possible vehicular network architecture for This section describes a possible vehicular network architecture for
V2V, V2I, and V2X communications. Then it analyzes the limitations V2V, V2I, and V2X communications. Then it analyzes the limitations
of the current protocols for vehicular networking. of the current protocols for vehicular networking.
4.2.1. Vehicular Network Architecture 4.2.1. Vehicular Network Architecture
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4.2.1.2. V2V-based Internetworking 4.2.1.2. V2V-based Internetworking
This section discusses the internetworking between the moving This section discusses the internetworking between the moving
networks of two neighboring vehicles via V2V communication. networks of two neighboring vehicles via V2V communication.
Figure 3 shows internetworking between the moving networks of two Figure 3 shows internetworking between the moving networks of two
neighboring vehicles. There exists an internal network (Moving neighboring vehicles. There exists an internal network (Moving
Network1) inside Vehicle1. Vehicle1 has the DNS Server (RDNSS1), the Network1) inside Vehicle1. Vehicle1 has the DNS Server (RDNSS1), the
two hosts (Host1 and Host2), and the two routers (Router1 and two hosts (Host1 and Host2), and the two routers (Router1 and
Router2). There exists another internal network (Moving Network2) Router2). There exists another internal network (Moving Network2)
inside Vehicle2. Vehicle2 has the DNS Server (RDNSS2), the two hosts inside Vehicle2. Vehicle2 has the DNS Server (RDNSS3), the two hosts
(Host3 and Host4), and the two routers (Router3 and Router4). (Host4 and Host5), and the two routers (Router5 and Router6).
Vehicle1's Router1 (called mobile router) and Vehicle2's Router3 Vehicle1's Router1 (called mobile router) and Vehicle2's Router5
(called mobile router) use 2001:DB8:1:1::/64 for an external link (called mobile router) use 2001:DB8:1:1::/64 for an external link
(e.g., DSRC) for V2V networking. (e.g., DSRC) for V2V networking.
The differences between IPWAVE (including Vehicular Ad Hoc Networks The differences between IPWAVE (including Vehicular Ad Hoc Networks
(VANET)) and Mobile Ad Hoc Networks (MANET) are as follows: (VANET)) and Mobile Ad Hoc Networks (MANET) are as follows:
o IPWAVE is not power-constrained operation; o IPWAVE is not power-constrained operation;
o Traffic can be sourced or sinked outside of IPWAVE; o Traffic can be sourced or sinked outside of IPWAVE;
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The emerging services, functions, and applications, which are The emerging services, functions, and applications, which are
developped in automotive industry, demand reliable and efficient developped in automotive industry, demand reliable and efficient
communication infrastructure for road networks. Correspondingly, the communication infrastructure for road networks. Correspondingly, the
support of enhanced V2X (eV2X)-based services by future converged and support of enhanced V2X (eV2X)-based services by future converged and
interoperable 5G systems is required. The 3GPP Technical Report interoperable 5G systems is required. The 3GPP Technical Report
[TR-22.886-3GPP] is studying new use cases and the corresponding [TR-22.886-3GPP] is studying new use cases and the corresponding
service requirements for V2X (including V2V and V2I) using 5G in both service requirements for V2X (including V2V and V2I) using 5G in both
infrastructure mode and the sidelink variations in the future. infrastructure mode and the sidelink variations in the future.
Appendix B. Changes from draft-ietf-ipwave-vehicular-networking-04 Appendix B. Changes from draft-ietf-ipwave-vehicular-networking-05
The following changes are made from draft-ietf-ipwave-vehicular- The following changes are made from draft-ietf-ipwave-vehicular-
networking-04: networking-05:
o In Section 1, the explanation about Geographic routing is added.
o In Section 4.2.1, an assumption is added for a wireless media
interface of a vehicle and an RSU for V2V and V2I communication.
o In Section 5.1.1, a WAVE link model is clarified through the
comparison with the legacy IPv6 link model.
o Many places are corrected for better explanation along with typo o In Figure 2 and Figure 3, the vehicle networks and RSU network are
correction. updated.
Appendix C. Acknowledgments Appendix C. Acknowledgments
This work was supported by Basic Science Research Program through the This work was supported by Basic Science Research Program through the
National Research Foundation of Korea (NRF) funded by the Ministry of National Research Foundation of Korea (NRF) funded by the Ministry of
Education (2017R1D1A1B03035885). Education (2017R1D1A1B03035885).
This work was supported in part by Global Research Laboratory Program This work was supported in part by Global Research Laboratory Program
through the NRF funded by the Ministry of Science and ICT (MSIT) through the NRF funded by the Ministry of Science and ICT (MSIT)
(NRF-2013K1A1A2A02078326) and by the DGIST R&D Program of the MSIT (NRF-2013K1A1A2A02078326) and by the DGIST R&D Program of the MSIT
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