Roll-forward checkpointing scheme: a novel fault-tolerantarchitecture
Pradhan, D.K.; Vaidya, N.H.
Computers, IEEE Transactions on
Volume 43, Issue 10, Oct 1994 Page(s):1163 - 1174
Digital Object Identifier   10.1109/12.324542
Summary:We propose a novel architecture for a fault-tolerant multiprocessor environment. It is assumed that the multiprocessor organization consists of a pool of active processing modules and either a small number of spare modules or active modules with some spare processing capacity. A fault-tolerance scheme is developed for duplex systems using checkpoints. Our scheme, unlike traditional checkpointing schemes, requires no rollbacks for recovering from single faults. The objective is to achieve performance of a triple modular redundant system using duplex system redundancy

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