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COMMUNICATIONS PATH STATUS DETECTION SYSTEM

  • US 20090307522A1
  • Filed: 05/07/2009
  • Published: 12/10/2009
  • Est. Priority Date: 05/07/2008
  • Status: Active Grant
First Claim
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1. A network failover apparatus for use in a client-server system, comprising:

  • a preferred interface couplable to a server through a first network;

    a further interface couplable to the server through a further network;

    a failed preferred interface detector to identify the preferred interface as a failed interface when the server is not reachable through the preferred interface;

    a device to establish connection to the server through the further interface when the preferred interface is identified as a failed interface;

    a device to test the identified failed interface to determine whether the server is reachable through the identified failed interface while the further interface is connected to the server; and

    a device to reestablish connection to the server through the preferred interface.

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