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The N-Version Approach to Fault-Tolerant Software

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1 Author(s)
Avizienis, A. ; Department of Computer Science, University of California

Evolution of the N-version software approach to the tolerance of design faults is reviewed. Principal requirements for the implementation of N-version software are summarized and the DEDIX distributed supervisor and testbed for the execution of N-version software is described. Goals of current research are presented and some potential benefits of the N-version approach are identified.

Published in:

Software Engineering, IEEE Transactions on  (Volume:SE-11 ,  Issue: 12 )