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1. Cost modelling of fault-tolerant software

Author

Mcallister, D. F and Scott, R. K

Subjects
Economics And Cost Analysis
Abstract

Costs of a simplex or single-version system are compared with fault-tolerant software systems including N-version programming (NVP), recovery block (RB), and consensus recovery block (CRB). Assuming that failures are independent, CRB followed by RB are found to be the most cost-justifiable fault-tolerant techniques. NVP is not competitive with the other two methods in terms of costs.

Published
1991
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