Harmonic broadcasting is optimal
SODA '02 Proceedings of the thirteenth annual ACM-SIAM symposium on Discrete algorithms
Efficient Broadcasting Protocols for Video on Demand
MASCOTS '98 Proceedings of the 6th International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems
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Video-on-demand (VOD) is a service that allows users to view any video program from a server at the time of their choice. The Harmonic Broadcasting Protocol has been proved to be bandwidth- optimal, but it is not efficient for the local storage. In this paper, we present a new effective broadcasting scheme, which can intelligently adjust its solution according to available bandwidth and local storage in order to achieve an ideal waiting time.