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Data management system, data server, data management method and storage medium thereof

  • US 20060277196A1
  • Filed: 10/21/2005
  • Published: 12/07/2006
  • Est. Priority Date: 06/02/2005
  • Status: Abandoned Application
First Claim
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1. A data management system having a plurality of data servers connected via a network, wherein each data server comprises:

  • a data management section that manages a data item in correspondence to a local identifier of the data item and a global identifier of the data item;

    a request processor section that searches the data management section for a data item requested from a client, provides the requested data item to the client when the requested data item is found, and transmits a data inquiry containing a global identifier of the requested data item to other data server to detect a data server which stores the requested data item when the requested data item is not found; and

    a response section that searches, when receiving a data inquiry from another data server, the data management section for a data item corresponding to a global identifier contained in the data inquiry and transmits a result of the search to the another data server.

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