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A Software Based Approach for Providing Network Fault Tolerance in Clusters With UDAPL Interface: MPI Level Design and Performance Evaluation

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Executive Summary

In the arena of cluster computing, MPI has emerged as the de facto standard for writing parallel applications. At the same time, introduction of high speed RDMA-enabled interconnects like InfiniBand, Myrinet, Quadrics, RDMA-enabled Ethernet has escalated the trends in cluster computing. Network APIs like uDAPL (user Direct Access Provider Library) are being proposed to provide a network independent interface to different RDMA-enabled interconnects. Clusters with combination(s) of these interconnects are being deployed to leverage their unique features, and network failover in wake of transmission errors.

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