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Design optimization of time- and cost-constrained fault-tolerant distributed embedded systems

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4 Author(s)
Izosimov, V. ; Dept. of Comput. & Inf. Sci., Linkoping Univ., Sweden ; Pop, P. ; Eles, P. ; Zebo Peng

In this paper we present an approach to the design optimization of fault tolerant embedded systems for safety-critical applications. Processes are statically scheduled and communications are performed using the time-triggered protocol. We use process re-execution and replication for tolerating transient faults. Our design optimization approach decides the mapping of processes to processors and the assignment of fault-tolerant policies to processes such that transient faults are tolerated and the timing constraints of the application are satisfied. We present several heuristics which are able to find fault-tolerant implementations given a limited amount of resources. The developed algorithms are evaluated using extensive experiments, including a real-life example.

Published in:

Design, Automation and Test in Europe, 2005. Proceedings

Date of Conference:

7-11 March 2005