Method and apparatus for assembling portions of a data file received from multiple devices
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United States of America Patent
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Oct 12, 2010
Grant Date -
Nov 13, 2008
app pub date -
Mar 12, 2007
filing date -
Mar 9, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
To facilitate instant playback of an ordered title (e.g., a movie), a file pertaining to the title is fragmented into a header and segments. The header is seeded in all boxes in service and none, one or more segments are distributed to the network of boxes. When the title is ordered, the header is instantly played back while the segments, if not locally available, are streamed in respectively from the boxes having the segments to enable continuous playback of the ordered title. Should one of the boxes fails to deliver the segment according to a certain requirement (e.g., a lower transmission rate), the box gets immediately replaced by a substitute machine that continues to supply the segment from where it was stopped.
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