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Method for computer network operation providing basis for usage fees

  • US 7,581,013 B2
  • Filed: 08/17/2004
  • Issued: 08/25/2009
  • Est. Priority Date: 04/03/1998
  • Status: Expired due to Fees
First Claim
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1. A method for assuring security in a content delivery system, the method comprising:

  • receiving a first report comprising indicia of a plurality of permits, wherein the first report is prepared in response to a plurality of first requests and wherein each first request of the plurality of first requests is for requesting a respective permit of the plurality of permits;

    receiving a second report comprising indicia of a request for a digital work, wherein the digital work is indicated by a particular permit of the plurality of permits;

    determining an absence from the first report of indicia of the particular permit indicating the digital work contained in the second report; and

    determining that a security violation has occurred in response to determining the absence of the indicia of the particular permit.

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