Date of Original Version

2002

Type

Conference Proceeding

Abstract or Description

This paper attempts to solidify the technical issues involved in the long-standing debate about the representativeness of fault injection as a tool for measuring the dependability of general-purpose software systems. While direct fault injection seems appropriate for evaluating fault tolerant computers, most current software systems are not designed in a way that makes injection of faults directly into a module under test relevant for dependability benchmarking. Approaches that seem more likely to create representative faults are ones that induce exceptional operating conditions external to a module under test in terms of exceptional system state, exceptional parameters/return values at an API, failed system components, or exceptional human interface inputs.

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