Testing-Resource Allocation for Redundant Software Systems

Authors:
Bo Yang;Min Xie
Affiliations:
-;-
Venue:
PRDC '99 Proceedings of the 1999 Pacific Rim International Symposium on Dependable Computing
Year:
1999

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Optimal resource allocation for cost and reliability of modular software systems in the testing phase

Journal of Systems and Software - Special issue: Quality software

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Abstract

For many safety critical systems, redundancy is the only acceptable method to achieve high operational reliability as individual modules can hardly be certified to have reached that level. When limited resources are available in the testing of a redundant software system, it is important to allocate the testing-time efficiently so that the maximum reliability of the complete system is achieved. In this paper, this problem is investigated in detail. A general formulation is presented and a specific case is used to illustrate the procedure. The case where individual module reliability requirements are given is also considered.