Fault-Tolerant Computing

This chapter provides an overview of fault-tolerant computing. Fault-tolerant computing can be defined as the process by which a computing system continues to perform its specified tasks correctly in the presence of faults with the goal of improving the dependability of the system. Principles of fault-tolerant computing as well as various fault-tolerant architectures are discussed. The article concludes by observing trends in the fault-tolerant computing. Keywords: fault tolerance; reliability; availability; coverage; dependability; redundancy

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