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Multistage interconnection networks are a class of high-speed computer networks usually composed of processing elements on one end of the network and memory elements on the other end, connected by switching elements. The switching elements themselves are usually connected to each other in stages, hence the name.
MINs are typically used in high-performance or parallel computing as a low-latency interconnection , though they could be implemented on top of a packet switching network. Though the network is typically used for routing purposes, it could also be used as a co-processor to the actual processors for such uses as sorting; cyclic shifting, as in a perfect shuffle network; and bitonic sorting.