Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/55345
Title: SDN-based routing for efficient message propagation in VANET
Authors: Zhu, M
Cao, J 
Pang, D
He, Z
Xu, M
Keywords: Delay tolerant networks
Routing
Software-defined networking
Vehicular ad hoc networks
Issue Date: 2015
Publisher: Springer
Source: Lecture notes in computer science (including subseries Lecture notes in artificial intelligence and lecture notes in bioinformatics) How to cite?
Journal: Lecture notes in computer science (including subseries Lecture notes in artificial intelligence and lecture notes in bioinformatics) 
Abstract: Vehicular Ad hoc Network (VANET) is an intermittently connected mobile network in which message propagation is quite challenging. Conventional routing protocols proposed for VANET are usually in greedy or optimum fashion. Geographical forwarding only uses local information to make the routing decision which may lead to long packet delay, while link-based forwarding has better performance but requires much more overheads. To disseminate message efficiently in VANET, a routing protocol which has both short delivery delay time and low routing overhead is required. In this paper, we proposed a SDN-based routing framework for efficiently message propagation in VANET. Software- Defined Networking (SDN) is an emerging technology that decouples the control plane from the data forwarding plane in switches and collects all the control planes into a central controller. In SDN-based routing framework, the central controller gathers network information from switches and computes optimal routing paths for switches based on the global network information. Since switches don’t need to exchange routing information with each other, the routing overhead is much lower. This paper is the first to propose a SDN-based routing framework for efficiently message propagation in VANET. A new algorithm is developed to find the global optimal route from the source to the destination in VANET with dynamic network density. We demonstrate, through the simulation results, that our proposed framework significantly outperforms the related protocols in terms of both delivery delay time and routing overhead.
Description: 10th International Conference, WASA 2015, Qufu, China, August 10-12, 2015
URI: http://hdl.handle.net/10397/55345
ISBN: 9783319218366
ISSN: 0302-9743
EISSN: 1611-3349
DOI: 10.1007/978-3-319-21837-3_77
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