Software defined network is applied to improve the transmission efficiency. In this environment, how to optimize the distribution of network traffic is solved in this paper. Firstly, a dual optimization problem is proposed to improve software defined network throughout and alleviate the congestion. Secondly, the algorithm is designed with dual theory in hybrid software defined network. At last, we use network throughout as evaluation index with different topology structure and network traffic in simulation.
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Qiming Niu (2015) studied this question.
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