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Network traffic routing

  • US 9,448,898 B2
  • Filed: 07/11/2013
  • Issued: 09/20/2016
  • Est. Priority Date: 07/13/2004
  • Status: Active Grant
First Claim
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1. Apparatus comprising a storage medium storing a program for maintaining availability of a first service on a first server to plural client systems via a network, the instructions of the program for:

  • synchronizing a second service provided by a second server with the first service provided by the first server;

    monitoring availability of the first service;

    if the first service is unavailable, causing the second service to be substituted in place of the first service and monitoring a third service;

    if the third service is available and capable of handling access by client systems, causing the third service to synchronize with the second service;

    monitoring synchronization of the third service with the second service;

    if the third service is synchronized with the second service, causing the third service to be substituted in place of the second service, such that the third service is responsive to communications from the client systems directed to the first service.

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