| Summary: | 碩士 === 義守大學 === 資訊工程學系碩士班 === 94 === In recent years, rapid growth in computer and communication technologies has made it possible to provide Video-on-Demand services on the Internet. A number of periodic broadcast techniques have been proposed, most of which try to minimize either the server bandwidth, user storage, user access latency to the video, or a combination of some of the aforementioned parameters. In 2004, Mounir A. Tantaoui et al. proposed a broadcasting scheme called BroadCatch scheme. With an incremental channel design at the server side and a specific broadcast schedule, users can use lower bandwidth than the server to download the video. This paper proposes an improved BroadCatch scheme, which can further reduce the loading of the client bandwidth and client’s waiting time.
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