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    Please use this identifier to cite or link to this item: http://asiair.asia.edu.tw/ir/handle/310904400/2064


    Title: A Virtual Channel Technique for Supporting Live/On-demand Streaming
    Authors: JIA-SHUNG WANG;CHEN-LUNG CHAN;NIEN-CHEN LIN
    Contributors: Department of Computer Science, National Tsing Hua University
    Keywords: DTV;streaming video;peer-to-peer network.
    Date: 2007
    Issue Date: 2009-10-13 15:20:11 (UTC+8)
    Publisher: Asia University
    Abstract: Nowadays, some powerful client devices, e.g., set-top boxes and digital video recorders, are
    commonly used to enhance digital TV broadcasting services. This paper proposes a virtual channel
    platform by organizing these client devices to establish a peer-to-peer overlay to virtually support each user with a dedicated channel according to their demands. In the proposed platform, each video program is partitioned into many small segments before it is shared. A virtual channel is constructed by composing the necessary video segments, which are possibly from different videos, into a long video
    playout sequence for the user. However, retrieving these small segments from a large scale peer-to-peer network could cause a relatively large query overhead. To reduce the number of queries, we propose a virtual stream mechanism by aggregating popular adjacent video segments to logically form a long
    video object. The simulation results demonstrate that the proposed virtual channel platform can
    improve the service performance.
    Relation: Asian Journal of Health and Information Sciences 2(1-4):29-48
    Appears in Collections:[Asian Journal of Health and Information Sciences] v.2 n.1-4

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