Abstract
The authors study the fault diagnosis of multiprocessor systems when fault constraints in the local domain of each processor are specified. They use the comparison-based model. A multiprocessor system S is t-in-L diagnosable if, given a syndrome, all faulty processors can be uniquely identified provided there are at most t faulty processors in the local domain L(u/sub i/) union (u/sub i/) of every processor, u/sub i/ in S, where L (u/sub i/) denotes the set of processors adjacent to u/sub i/. Certain basic results that lead to efficient conditions for unique diagnosis of a system when certain fault constraints are satisfied in the local domain of each processor in the system are presented. The t-in-L diagnosability of certain regular interconnected systems is examined under the assumption that less than half of the processors in the system are faulty. Diagnosis algorithms for these systems are presented.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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