Evaluating the Performance of Software-Based Routing Algorithms for Dynamic Fault Tolerance in Tori

Majed ValadBeigi, Farshad Ramezan Pour Safaei, Abolghasem Mortazavi · Parallel and Distributed Computing: Applications and Technologies · 2010

Fault-tolerance has been the focus of attention recently in the research of parallel processing and computer networking. A fault-tolerant routing algorithm should guarantee the delivery of messages in the presence of faulty components. In this paper, we present a comparative performance study of seven prominent fault-tolerant routings in 2-D wormhole-switched tori. The routing algorithms here are coupled with the Software-Based routing scheme which supports dynamic fault-model, enabling the network to remain fully operational at all times. The performance measures studied here are the throughput and average message latency. Results obtained through simulation suggest two classes of presented routing schemes as high performance candidates in most faulty networks.

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