Title :
Dependability modeling for computer systems
Author :
Heimann, David I. ; Mittal, Nitin ; Trivedi, Kishor S.
Author_Institution :
Digital Equipment Corp., Tewksbury, MA, USA
Abstract :
A computer system dependability analysis that ties together concepts such as reliability, maintainability and availability is discussed. Three classes of dependability measures are described: system availability, system reliability, and task completion. Using an illustrative example, measures within each class are defined, evaluated, and compared. Four types of dependability analyses are discussed: evaluation, sensitivity analysis, specification determination, and trade-off analysis. The determination of the parameters, such as failure rates, coverage probabilities, repair rates, and reward rates is discussed
Keywords :
computer maintenance; reliability; sensitivity analysis; availability; computer system dependability analysis; coverage probabilities; failure rates; maintainability; reliability; repair rates; reward rates; sensitivity analysis; specification determination; trade-off analysis; Availability; Costs; Job design; Maintenance; Reliability; Sensitivity analysis; Software design; Virtual manufacturing; Vocabulary;
Conference_Titel :
Reliability and Maintainability Symposium, 1991. Proceedings., Annual
Conference_Location :
Orlando, FL
Print_ISBN :
0-87942-661-6
DOI :
10.1109/ARMS.1991.154425
