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A new model for the controller placement problem in software-defined networks
Preview AbstractIn this paper, a new communication model to describe the controller placement problem of software-defined networks is proposed. Previous solutions to the problem only focus on the switch to controller latency, without paying attention to the latencies between controllers. In this study, both of these latencies were comprehensively studied, based on which the theory was raised. The simulation results show that the algorithm which suited the new model has better delays in most topologies.