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A Design Approach for Soft Errors Protection in Real-Time Systems

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Open access
Authors
Sadi, M.
Myers, Doug
Ortega-Sanchez, Cesar
Date
2008
Type
Conference Paper

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Citation
Sadi, M. and Myers, Doug and Ortega-Sanchez, Cesar. 2008. A Design Approach for Soft Errors Protection in Real-Time Systems, in Hussain, F. and Chang, E. (ed), 19th Australian Conference on Software Engineering, Mar 25 2008, pp. 639-643.Perth, Western Australia: IEEE.
Source Title
Proceedings of the 19th Australian Conference on Software Engineering
Source Conference
19th Australian Conference on Software Engineering
ISBN
Faculty
Department of Electrical and Computer Engineering
School of Engineering
Faculty of Science and Engineering
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Abstract

This paper proposes the use of metrics to refine system design for soft errors protection in system on chip architectures. Specifically this research shows the use of metrics in design space exploration that highlight where in the structure of the model and at what point in the behaviour, protection is needed against soft errors. As these metrics improve the ability of the system to provide functionality, they are referred to here as reliability metrics. Previous approaches to prevent soft errors focused on recovery after detection. Almost no research has been directed towards preventive measures. But in real-time systems, deadlines are performance requirements that absolutely must be met and a missed deadline constitutes an erroneous action and a possible system failure. This paper focuses on a preventive approach as a solution rather than recovery after detection. The intention of this research is to prevent serious loss of system functionality or system failure though it may not be able to eliminate the impact of soft errors completely.