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
	skipping to change at page 3, line 12 ¶		skipping to change at page 3, line 12 ¶
	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-
	skipping to change at page 10, line 24 ¶		skipping to change at page 10, line 24 ¶
	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
	skipping to change at page 15, line 4 ¶		skipping to change at page 15, line 4 ¶
	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;
	skipping to change at page 29, line 16 ¶		skipping to change at page 29, line 16 ¶
	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
End of changes. 12 change blocks.
	23 lines changed or deleted		15 lines changed or added
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