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Availability, reliability or maintainability index including outage characterization

  • US 6,901,347 B1
  • Filed: 02/22/2000
  • Issued: 05/31/2005
  • Est. Priority Date: 02/22/2000
  • Status: Expired due to Term
First Claim
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1. A method of characterizing a system, the method comprising:

  • logging outages of the system;

    measuring directly one or more additional indicia associated with each outage, the one or more additional indicia selected from frequency, duration and business impact of the outage; and

    calculating a Figure of Merit (FOM) by adding contributions of each outage, the outages being weighted in accordance with one of a plurality of relative weight values selected based on the associated additional indicia and wherein each of the relative weight values corresponds to a range of values of the associated additional indicia and wherein each of the relative weighted values differs from other ones of the relative weighted values.

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