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System and method for synchronizing files in multiple nodes

  • US 20040068516A1
  • Filed: 12/30/2002
  • Published: 04/08/2004
  • Est. Priority Date: 10/04/2002
  • Status: Active Grant
First Claim
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1. A system for synchronizing files in multiple nodes, the system comprising a central node, and a plurality of local nodes connected with the central node by a network, wherein:

  • the local nodes act as servers in the network, and each of the local nodes comprises;

    a local file server that stores one copy of each file that is shared between the local nodes, and copies of files needing to be synchronized with corresponding files in the central node;

    a local database that stores information on copies of files in the local file server; and

    a local application server that runs a proxy to update copies of files in the local file server, and to download latest editions of files from the central node; and

    the central node acts as a server in the network, and the central node comprises;

    a central database that records all update information on copies of files in all the local file servers;

    a central file server that stores latest editions of files that are shared between the local nodes; and

    a central application server comprising a synchronization program for updating files in the central file server, the synchronization program downloading updated copies of files from the relevant local file servers, and updating the central file server.

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