Simulative Analysis of Fault-Tolerant Distributed Switching Fabrics for SCISeveral common topologies such as k-ary n-cubes possess inherent link redundancy and can be directly applicable to systems demanding fault-tolerant networks. In this paper we present the latest results in an ongoing research project to model, simulate, and evaluate SCI-based distributed switching fabrics for fault-tolerant, mission-critical applications. The SCI models developed for this research incorporate extensions to the existing SCI fault-detection protocols in order to locate, isolate, and recover from network failures. We present several fault-free, and fault-injection simulation performance results to demonstrate the effectiveness of these protocols in recovering from particular network failures. We also present reliability simulation results for 1D and 2D k-ary n-cube topologies used in the performance evaluations.
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