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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Software-Defined Networking (SDN) based VANET Architecture: Mitigation of Traffic Congestion

Author 1: Tesfanesh Adbeb
Author 2: Wu Di
Author 3: Muhammad Ibrar

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2020.0110388

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 11 Issue 3, 2020.

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Abstract: In VANETs (Vehicular Ad-hoc Networks), the num-ber of vehicles increased continuously, leading to significant traffic problems like traffic congestion, a feasible path, and associated events like accidents. Though, the Intelligent Transportation System (ITS) providing excellent services, such as safety appli-cations and emergency warnings. However, ITS has limitations regarding traffic management tasks, scalability, and flexibility because of the enormous number of vehicles. Therefore, extending the traditional VANET architecture is indeed a must. Thus, in the recent period, the design of the SD-VANETs (Software-Defined Networking defined VANETs) has gained significant interest and made VANET more intelligent. The SD-VANET architecture can handle the aforesaid VANET challenges. The centralized (logically) SDN architecture is programmable and also has global information about the VANET architecture. Therefore, it can effortlessly handle scalability, traffic management, and traffic congestion issues. The traffic congestion problem leads to longer trip times, decreases the vehicles’ speed, and prolong average end-to-end delay. Though, somewhere, some routes in the network are available with capacity, which can minimize the congestion problem and its characteristics. Therefore, we proposed heuristic algorithms called Congestion-Free Path (CFP) and Optimize CFP (OCFP), in SD-VANET architecture. The proposed algorithms address the traffic congestion issue and also provide a feasible path (less end-to-end delay) for a vehicle in VANET. We used the NS-3 simulator to evaluate the performance of the proposed algorithms, and for generating a real scenario of VANET traffic; we use the SUMO module. The results show that the proposed algorithms decrease road traffic congestion drastically compared to exiting approaches.

Keywords: Software-Defined Networking; VANET; congestion; feasible path; NS3; SUMO

Tesfanesh Adbeb, Wu Di and Muhammad Ibrar, “Software-Defined Networking (SDN) based VANET Architecture: Mitigation of Traffic Congestion” International Journal of Advanced Computer Science and Applications(IJACSA), 11(3), 2020. http://dx.doi.org/10.14569/IJACSA.2020.0110388

@article{Adbeb2020,
title = {Software-Defined Networking (SDN) based VANET Architecture: Mitigation of Traffic Congestion},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2020.0110388},
url = {http://dx.doi.org/10.14569/IJACSA.2020.0110388},
year = {2020},
publisher = {The Science and Information Organization},
volume = {11},
number = {3},
author = {Tesfanesh Adbeb and Wu Di and Muhammad Ibrar}
}


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