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Network optimized content delivery for high demand non-live contents

  • US 8,386,629 B2
  • Filed: 12/27/2007
  • Issued: 02/26/2013
  • Est. Priority Date: 12/27/2007
  • Status: Active Grant
First Claim
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1. A method of distributing a non-live content stream in a network, the method comprising:

  • transmitting an initial meta-file in response to receiving a request for a non-live content stream, the initial meta-file identifying a division of the content stream into a plurality of blocks, the initial meta-file identifying a plurality of available sources for delivery of the plurality of blocks, the plurality of available sources including a multicast source server and a unicast source server, the initial meta-file assigning a first portion of the plurality of blocks for delivery using the multicast source server, the initial meta-file assigning a second portion of the plurality of blocks for delivery using the unicast source server;

    transmitting the first portion of the non-live content stream using the multicast source server; and

    transmitting the second portion of the non-live content stream using the unicast source server, the first and second portions identified by distinct blocks of the plurality of blocks.

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