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General Information
Editor-in-chief
Prof. Wael Badawy
Department of Computing and Information Systems Umm Al Qura University, Canada
I'm happy to take on the position of editor in chief of IJCTE. We encourage authors to submit papers concerning any branch of computer theory and engineering.
IJCTE 2012 Vol.4(4): 500-504 ISSN: 1793-8201
DOI: 10.7763/IJCTE.2012.V4.519

An Effective Neighborhood Initial-Playback Based Caching Scheme for Video on Demand over Mobile Ad Hoc Network

Saleh Ali Alomari, Vaithegy Doraisamy, and Putra Sumari
Abstract—Video on demand (VOD) System over mobile Ad hoc network (MANET) is a system that provides video services to mobile clients. The main problem in these systems is the high service delay where the mobile clients have to wait to watch their favorite movie. The importance of this study is to find a solution on how to reduce the delay time in the system. This paper proposed a novel caching scheme called neighborhood-initial playback based caching scheme (NIPBCS) to overcome the service delay by sending the 1st segment of a movie to the new client by a local forwarder (LF). The LFs will send the 1st segment of the movie selected to the client’s First buffer when the new client’s arrival is detected. When the client wants to watch another movie, the client can tune in to the broadcasting channel that will broadcast the 1st segment of the movie or the client can request from the neighbors or otherwise if the movie the client wants to watch is the same as the 1st segment sent by the Local Forwarder, the client can just switch to the First Buffer and start watching the movie. The aim of this caching scheme is to reduce the time delay in VOD system over MANET. The result obtained proves that NIPBCS reduces the time delay of the system when the number of clients increases and the client failure probability is reduced when the number of clients increases.

Index Terms—Video on demand, MANET, NIPBCS, staggered broadcast

The authors are with the Multimedia Computing Research Group, School of Computer Science, Universiti Sains Malaysia, 11800 Pulau Penang, Malaysia (e-mail: salehalomari2005@yahoo.com, vaiwoods@yahoo.com, putras@cs.usm.my).

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Cite: Saleh Ali Alomari, Vaithegy Doraisamy, and Putra Sumari, "An Effective Neighborhood Initial-Playback Based Caching Scheme for Video on Demand over Mobile Ad Hoc Network," International Journal of Computer Theory and Engineering vol. 4, no. 4, pp. 500-504, 2012.
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