Digital rights management negotiation for streaming media over a network

  • US 7,382,879 B1
  • Filed: 07/23/2003
  • Issued: 06/03/2008
  • Est. Priority Date: 07/23/2003
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. A method for initiating delivery of a digital rights management (DRM) encoded content item over a digital network between a client and a target server, said method comprising the steps of:

  • said client identifying a link to said target server for accessing said DRM encoded content item, said target server being capable of providing said DRM encoded content item in a plurality of respective DRM methods;

    said client initiating a network session with said target server;

    said client sending an offer message to said target server containing a list of at least one supported DRM method;

    said target server sending an answer message to said client containing a corresponding answer list

         1) indicating whether each DRM method listed in said offer message is supported by said target server, and

         2) providing a respective network address of a DRM license server for each supported DRM method;

    said client selecting a supported DRM method from said answer list;

    said client obtaining a DRM license using said respective network address listed for said selected DRM method; and

    said target server delivering said DRM encoded content item to said client using said selected DRM method.

View all claims

    Thank you for your feedback