Algortihm for Cost-Effective Distribution of Vod Contents

Gramatikov, Sasho and Gjorgjijoski, G. (2013) Algortihm for Cost-Effective Distribution of Vod Contents. In: Proceedings of the Tenth Conference on Informatics and Information Technology. Faculty of Computer Science and Engineering, Ss. Cyril and Methodius University in Skopje, Macedonia, Skopje, Macedonia, pp. 155-160. ISBN 978-608-4699-01-9

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Abstract

The demand of video contents has rapidly increased in the past years as a result of the wide deployment of IPTV and the variety of services offered by the network operators. One of the services that has especially become attractive to the customers is real-time video on demand (VoD) because it offers an immediate streaming of a large variety of video contents. The price that the operators have to pay for this convenience is the increased traffic in the networks, which are becoming more congested due to the higher demand for VoD contents and the increased quality of the videos. As a solution, in this paper we propose a hierarchical network system for VoD content delivery in managed networks and a redistribution algorithm for optimal distribution of the videos on the servers. The system monitors the state of the network and the behaviour of the users to estimate the demand for video contents and to take decision of the best placement of the videos on the streaming servers. The objectives of our work is to distribute replicas of the videos in the network in a way that the most demanded contents are placed closer to the clients so that the network is optimally used and the users' experience is improved. Our experimental results show that the redistribution algorithm is highly responsive to the change of the popularity of the videos which significantly reduces the cost of the traffic generated in the core of the network.

Item Type: Book Section
Uncontrolled Keywords: VoD; cost; optimization; popularity;
Subjects: International Conference on Informatics and Information Technologies > Computer networks
International Conference on Informatics and Information Technologies > Multimedia
International Conference on Informatics and Information Technologies > Digitalization
Depositing User: Vangel Ajanovski
Date Deposited: 28 Oct 2016 00:15
Last Modified: 28 Oct 2016 00:15
URI: http://eprints.finki.ukim.mk/id/eprint/11275

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