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Method and apparatus for sharing media files among network nodes with respect to available bandwidths

  • US 20090007196A1
  • Filed: 10/31/2007
  • Published: 01/01/2009
  • Est. Priority Date: 03/09/2005
  • Status: Abandoned Application
First Claim
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1. A method for providing media-on-demand services, the method comprising:

  • preparing media data pertaining to a title into a sequence of data blocks, each of the data blocks including a chunk of data;

    fragmenting the media data into K segments, each of the K segments including data blocks interleaved from the media data, thus the data blocks in each of the K segments are non-consecutive;

    distributing the K segments into boxes in service, and causing an i-th segment of the K segments to be cached in at least a first box and a second box;

    measuring an available uploading bandwidth of the first and second boxes when receiving an order for the title from an ordering box;

    designating the first and second boxes to supply collectively the i-th segment to the ordering box, wherein the first device is configured to supply a first portion of the i-th segment not exceeding the available uploading bandwidth of the first device.

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