A Markovian Software Availability Measurement with a Geometrically Decreasing Failure-Occurrence Rate

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概要

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• We develop a software availability model incorporating software failure-occurrence and fault-correction times, under the assumption that the hazard rate for software failure-occurrence decreases geometrically with the progress in fault-removal process. Considering that the software system alternates two states, i. e. the operational state that a system is operating and the maintenance state that a system is inoperable due to the fault-correction activity, we model the time-dependent behavior of the system with a Markov process. Expressions for several quantities of software system performance are derived from this model. Finally, numerical examples are presented for illustration of software availability measurement.

• 社団法人電子情報通信学会の論文
• 1995-06-25

著者

• Tokuno Koichi

  Faculty Of Engineering Tottori University

• Yamada Shigeru

  Faculty Of Engineering Tottori University

• Yamada Shigeru

  Faculty Of Engineering Hiroshima University

関連論文

• Software Reliability Measurement and Assessment with Stochastic Differential Equations (Special Section on Reliability)
• Software Reliability Measurement with Prior-Information on Initial Fault Content
• A Markovian Software Availability Measurement with a Geometrically Decreasing Failure-Occurrence Rate
• Reliability Assessment Measures Based on Software Reliability Growth Model with Normalized Method

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