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<p>We propose a new fault-tolerant design of a hypercube system. We first build thefault-tolerant modules (FTM's), then we interconnect these FTM's as the modularhypercube. Finally, we obtain our proposed system by augmenting links, called thespare-sharing links (SSL's), in the modular hypercube, which forms a ring connection inour architecture. The characteristic of our system is that the spare nodes in an FTM canbe used as local spares to replace the faulty nodes in the FTM, or as remote spares toreplace the faulty nodes in other FTM's via the spare-sharing links in the architecture.Thus, the use of spare nodes in any FTM will increase, and the proposed system reliability will improve. In the system, the switch and link failures are also considered. The modular diagnosis and modular reconfiguration are proposed to identify and reconfigure the failure of nodes, switches, and links.</p>
Index Termsfault tolerant computing; reliability; reconfigurable architectures; hypercube networks;parallel architectures; system recovery; reconfigurable modular fault-tolerant hypercube;hypercube architecture; fault-tolerant design; hypercube system; modular hypercube;spare-sharing links; ring connection; local spares; faulty nodes; FTM; system reliability;link failures; switch failures; modular reconfiguration; nodes; switches; links

L. Zu, Y. Wu and C. Yang, "A Reconfigurable Modular Fault-Tolerant Hypercube Architecture," in IEEE Transactions on Parallel & Distributed Systems, vol. 5, no. , pp. 1018-1032, 1994.
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