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A method to reduce waiting time on node relay‐based webcast for selective contents

Yusuke Gotoh (Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan)
Tomoki Yoshihisa (Cybermedia Center, Osaka University, Osaka, Japan)
Hideo Taniguchi (Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan)
Masanori Kanazawa (The Kyoto College of Graduate Studies for Informatics, Kyoto, Japan)

International Journal of Web Information Systems

ISSN: 1744-0084

Article publication date: 30 August 2011

Abstract

Purpose

The purpose of this paper is to reduce the waiting time on webcast for selective contents, by proposing a scheduling method called the “contents prefetched broadcasting considering user participation” (CPB‐CP) method.

Design/methodology/approach

The authors analyze and evaluate the performance of the proposed CPB‐CP method.

Findings

It is confirmed that the proposed method gives shorter average waiting time than the conventional methods.

Research limitations/implications

A future direction of this study will involve making a scheduling method in the case where the playing time of each content item is different.

Practical implications

In selective contents delivery, users may wait for the next bit of content to start playing after watching the previous one. In quiz programs, users may wait to receive the content data for their selected answer after they select their answer.

Originality/value

In the CPB‐CP method, when a provider node pulls out of the network while delivering contents, waiting time is reduced effectively by reconstructing a delivery schedule that considers the available bandwidth of each provider node.

Keywords

Citation

Gotoh, Y., Yoshihisa, T., Taniguchi, H. and Kanazawa, M. (2011), "A method to reduce waiting time on node relay‐based webcast for selective contents", International Journal of Web Information Systems, Vol. 7 No. 3, pp. 223-239. https://doi.org/10.1108/17440081111165875

Publisher

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Emerald Group Publishing Limited

Copyright © 2011, Emerald Group Publishing Limited