Video on demand system comprising stripped data across plural storable devices with time multiplex scheduling
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United States of America Patent
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Dec 5, 1995
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N/A
app pub date -
Nov 30, 1993
filing date -
Nov 30, 1993
priority date (Note) -
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Abstract
A scalable method and system for easily scheduling data transfer for a video-on-demand server system is provided. A strategy for locating available bandwidth and allocating available bandwidth to subscribers as needed is provided. The input/output bandwidth of storage devices that store data for video image sequences is modelled as a series of bandwidth units. Each bandwidth unit has sufficient capacity to service an individual subscriber during a scheduling cycle. Video image sequences or other data sequences are striped across storage devices such that data for a data sequence is forwarded to the subscriber by reading from a sequence of storage devices in consecutive time frames.
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