An assessment methodology is described and illustrated. This methodology separates assessment into the following phases ( I ) Elicitation of requirements; (2) Elicitation of failure modes and their impact (risk of loss of requirements); (3) Elicitation of failure mode mitigations and their effectiveness (degree of reduction of failure modes); (4) Calculation of outstanding risk taking the mitigations into account.

A system for monitoring the health of a component includes a memory configured to store a health management system for evaluating the health of the component.

In this research, practical application for quasi-realtime intrusion and network failure detection was designed and implemented. IP packet headers are counted at the monitoring point and summarized in every 5 minutes. Then four kind of statistical analyses are applied to the 5-minute summaries to find a sudden increase/decrease. As the result, the developed application works fine with a standard desktop PC. Warnings were reported in at most 1 minute after every 5-minute summary. In addition to the warning report, Web interfaces were implemented to help the administrator to trace the cause of a warning.