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A Recovery-Oriented Approach for Software Fault Diagnosis in Complex Critical Systems

A Recovery-Oriented Approach for Software Fault Diagnosis in Complex Critical Systems
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Author(s): Gabriella Carrozza (SESM s.c.a.r.l. - a Finmeccanica Company, Italy) and Roberto Natella (Università degli Studi di Napoli Federico II, Italy)
Copyright: 2013
Pages: 28
Source title: Innovations and Approaches for Resilient and Adaptive Systems
Source Author(s)/Editor(s): Vincenzo De Florio (PATS Research Group, University of Antwerp and iMinds, Belgium)
DOI: 10.4018/978-1-4666-2056-8.ch002

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Abstract

This paper proposes an approach to software faults diagnosis in complex fault tolerant systems, encompassing the phases of error detection, fault location, and system recovery. Errors are detected in the first phase, exploiting the operating system support. Faults are identified during the location phase, through a machine learning based approach. Then, the best recovery action is triggered once the fault is located. Feedback actions are also used during the location phase to improve detection quality over time. A real world application from the Air Traffic Control field has been used as case study for evaluating the proposed approach. Experimental results, achieved by means of fault injection, show that the diagnosis engine is able to diagnose faults with high accuracy and at a low overhead.

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