Abstract
Massively redundant hardware as the traditional means for fault tolerance in multiprocessor safety-critical systems especially for aerospace applications can be exorbitant and not very favorable for its weight, size and power requirements. Here, we propose an effective fault tolerant real-time multiprocessor system model with the same level of redundancy as that of a traditional system but can handle additional workload at no extra cost. This paper gives the design of an effective fault tolerant real-time system model and the design of a generic simulator FaRReTSim, which has been used to perform extensive simulation studies for the model. The performance of the real-time system model has been evaluated under fault free and fault conditions using FaRReTSim.
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