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Efficient assignment of program copies in a network digital video recorder

  • US 9,049,484 B2
  • Filed: 03/15/2013
  • Issued: 06/02/2015
  • Est. Priority Date: 12/06/2011
  • Status: Active Grant
First Claim
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1. A method of operating a remote storage digital video recorder (RS-DVR) system that supports a plurality of subscriber systems via data communication over a network, the plurality of subscriber systems providing media content to a plurality of subscribers, the method comprising:

  • receiving a media content file at the RS-DVR system;

    storing the media content file in a storage architecture of the RS-DVR system, resulting in a stored media content file; and

    assigning the stored media content file to multiple ones of the plurality of subscribers, wherein;

    each of the multiple ones of the plurality of subscribers is associated with a subscriber file list; and

    a common identifier that references a single common physical copy of the same stored media content file in the storage architecture of the RS-DVR system is stored in each of the subscriber file lists associated with the multiple ones of the plurality of subscribers.

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