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Method and system for reducing false alarms in network fault management systems

  • US 20060069956A1
  • Filed: 09/23/2005
  • Published: 03/30/2006
  • Est. Priority Date: 03/22/2001
  • Status: Active Grant
First Claim
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1. A method for correlating a number of indicators in a rules-based correlation system, wherein a plurality of indicators expected to relate to a problem are correlated over a window of time, the method comprising:

  • detecting transitions in each indicator between a first state and a second state, which transitions occur during all or part of the window of time;

    counting the number of transitions detected for each indicator;

    comparing the number of transitions for each indicator to the number of transitions counted for the other indicators; and

    correlating transitions of indicators based on the comparison so that indicators which are not changing together are less likely to be correlated by a rule employed in the rules-based correlation system.

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