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Improving multistage network performance under uniform and hot-spot traffics

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2 Author(s)
Jih-Kwon Peir ; IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA ; Yann-Hang Lee

The major performance drawbacks of multistage interconnection networks are due to link contention and message blockage. To remedy this problem, the authors propose a switch design which uses two independent routes between each input port and each output port within a switch. With proper routing control mechanisms, the adverse effect on link conflicts can be greatly reduced. Various simulations are used to illustrate the performance improvement of this new design under both uniform and hot-spot traffic patterns

Published in:

Parallel and Distributed Processing, 1990. Proceedings of the Second IEEE Symposium on

Date of Conference:

9-13 Dec 1990