METHOD AND SYSTEM FOR CLUSTER-WIDE PREDICTIVE AND SELECTIVE CACHING IN SCALABLE IPTV SYSTEMS
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United States of America Patent
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Issued Date -
Apr 16, 2009
app pub date -
Oct 11, 2007
filing date -
Oct 11, 2007
priority date (Note) -
Abandoned
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Abstract
A method for caching of stream data is accomplished by assigning for each video segment in the system a likelihood rating of future showing and then determining for each node that contains a copy of the segment a second likelihood value that reflecting a probability that the node will be used to serve streams for the segment. The future cost value of a segment copy is then predicted and preload orders are issued to nodes for segments with the per-copy likelihood above a predefined threshold.
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