Centralized network control plane in SDN brings scalability and reliability problem to the network, therefore, the research of multi-controller is appeared. For improving the communication efficiency between the controller and the network device, this paper proposes a loose management strategy to dynamically adjust the frequency of interaction between controllers and network devices. Based on the above idea, firstly, this paper designed the scheme and algorithm of multi-controller loose management. Secondly, this paper quantitatively analyzed the advantages of multi-controller loose management algorithm by mathematically modeling the virtual network deployment success ratio and the management revenue between controllers and network devices. Finally, experiment results show that the multi-controller loose management idea can improve the communication efficiency between the controller and the network device and the controller management efficiency. Simulation results also show that mathematical model accurately predict the performance of loose management algorithm.
CITATION STYLE
Dong, L., Zhou, J., Xu, T., Yang, D., Li, Y., & Wang, W. (2017). Loose management for multi-controller in SDN. In Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST (Vol. 177, pp. 3–13). Springer Verlag. https://doi.org/10.1007/978-3-319-49580-4_1
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