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Parallel routing algorithms for nonblocking electronic and photonic multistage switching networks

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2 Author(s)
Enyue Lu ; Dept. of Comput. Sci., Texas Univ., Dallas, TX, USA ; Zheng, S.Q.

Summary form only given. Nonblocking multistage interconnection networks are favored to be used as switching networks whenever possible. Crosstalk-free requirement in photonic networks adds a new dimension of constraints for nonblockingness. Routing algorithms play a fundamental role in nonblocking networks, and any algorithm that requires more than linear time would be considered too slow for real-time applications. One remedy is to use multiple processors to route connections in parallel. In this paper, we study the connection capacity of a class of rearrangeable nonblocking and strictly nonblocking networks with/without crosstalk-free constraint, model their routing problems as weak or strong edge colorings of bipartite graphs, and propose efficient routing algorithms for these networks using parallel processing techniques.

Published in:

Parallel and Distributed Processing Symposium, 2004. Proceedings. 18th International

Date of Conference:

26-30 April 2004