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DATA NETWORK AND METHOD FOR CHECKING NODES OF A DATA NETWORK

  • US 20080313736A1
  • Filed: 07/31/2008
  • Published: 12/18/2008
  • Est. Priority Date: 07/31/2003
  • Status: Active Grant
First Claim
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1. A data network comprising:

  • a set of nodes connected to each other by a data transmission path, at least one node comprising a storage medium for storing information,an automatically searchable mark located at a node and associated with one or both of;

    the stored information and the node, the searchable mark corresponding to a privacy policy for controlling storage of, transfer of, or access to the stored information or controlling access to the node;

    said automatically searchable mark further defining one or more of;

    a permissible storage place where the marked information is permissibly stored, a permissible data transmission path for accessing the marked information or the marked node or, a permissible data transmission path for transferring the marked information, said searchable mark enabling a priori determination where in said data network a data may reside;

    a searching engine for traversing said data network to detect and analyze a searchable mark in said data network, said searching engine detecting a place on which the marked information is stored and detecting one or more possible data transmission paths within said data network for accessing the marked information or the marked node or a possible data transmission path or data transmission paths for transferring the marked information in said data network,wherein the searching engine compares the detected storage place of the information with the permissible storage place that is defined by the searchable mark of the information and checks whether the privacy policy is maintained, and further compares the detected possible paths for transferring the information or for accessing the information or the marked node with the data transmission paths that are defined by the searchable mark of the information or by the searchable mark of the node, and determines whether the privacy policy is maintained, and upon determining a privacy policy violation, said searching engine generates an alarm.

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