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Comparative performance evaluation of software-based fault-tolerant routing algorithms in adaptively-routed tori

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3 Author(s)
Safaei, F. ; Shahid Beheshti Univ., Tehran ; Khonsari, A. ; Shantia, A.H.

Fault-tolerance and network routing have been among the most widely studied topics 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 nine prominent fault-tolerant routings in 2D wormhole-switched tori. These networks carry the software-based routing scheme which has been suggested as an instance of a fault-tolerant method widely used in the literature to achieve high adaptivity and support inter-processor communications in parallel computer networks due to its ability to preserve both communication performance and fault-tolerant demands in such systems. The performance measures studied are the throughput, average message latency, power, and average usage of virtual channels per node. Results obtained through simulation suggest two classes of presented routing schemes as high performance candidates in most faulty networks.

Published in:

Computer Systems and Applications, 2008. AICCSA 2008. IEEE/ACS International Conference on

Date of Conference:

March 31 2008-April 4 2008