JISE


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Journal of Information Science and Engineering, Vol. 36 No. 4, pp. 837-849


An Improved Push-based Protocol for Critical Data Dissemination in Vehicular Named Data Networks


MUHAMMAD AZFAR YAQUB1, SYED HASSAN AHMED2
AND DONGKYUN KIM3,+
1Department of Electrical and Computer Engineering
COMSATS University Islamabad
Islamabad 45550, Pakistan

2Department of Computer Science
Georgia Southern University
Statesboro, GA 30548, USA

3School of Computer Science and Engineering
Kyungpook National University
Daegu 41566, Republic of Korea
E-mail: ma.yaqub@ieee.org; sh.ahmed@ieee.org; dongkyun@knu.ac.kr


Name Data Networking (NDN) is an instance of information centric network that is based on content-centric networking instead of the traditional host-centric networking. NDN provides a pull-based mechanism to acquire data from the producers. However for the critical data generated randomly in the network, the pull-based mechanism suffers high delays. In this paper, we present an analysis of push-based critical Vehicular NDN (Push-VNDN) and the challenges it faces. Additionally, an improved Push-VNDN scheme is proposed that overcomes the collision and flooding problems faced by the Push-VNDN scheme. Our results show that the iPush-VNDN scheme proves to effectively disseminate the critical data in the network while minimizing the number of data packets forwarded and interest satisfaction delay.


Keywords: named data networks (NDN), vehicular networks, critical data, pull-based data forwarding, push-based data forwarding

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