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Fault-Tolerant Networks

  • US 20090138541A1
  • Filed: 06/26/2008
  • Published: 05/28/2009
  • Est. Priority Date: 05/25/2001
  • Status: Active Grant
First Claim
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1. A computer-implemented system for sustaining the operation of a plurality of active networked computers, comprising:

  • a plurality of virtual machines installed on multiple recovery computers which are physically separate from the plurality of active networked computers;

    each virtual machine being arranged to emulate a corresponding active networked computer; and

    the recovery computers being arranged, in the event of a change of status signal for one of the active networked computers, to activate and use the virtual machine which corresponds to the networked computer having a changed status.

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