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Fault injection: a method for validating computer-system dependability

Jeffrey A. Clark, Dhiraj K. Pradhan

Abstract

A fault tolerant computer system's dependability must be validated to ensure that its redundancy has been correctly implemented and the system will provide the desired level of reliable service. Fault injection-the deliberate insertion of faults into an operational system to determine its response offers an effective solution to this problem. We survey several fault injection studies and discuss tools such as React (Reliable Architecture Characterization Tool) that facilitate its application.>

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Key concepts: Dependability, Computer science, Redundancy (engineering), Fault injection, Fault tolerance, Reliability engineering, Software fault tolerance, Embedded system