Periodic Shifting Networks
A network can be viewed as a graph, where each node corresponds to a processor and edges represent communication links between processors. Each processor can directly access only its private, local resources (e.g. memory). An exchange of information between processors is via paths of the graph. There is a variety of possible network architectures (graphs) but only some of them can be considered as practical. We usually demand that the degree of the network should be reasonably bounded and the communication traffic should be easy to control. On the other hand we wish that the network is able to realize at least typical communication tasks efficiently.
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