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3 October 2022 A multi-controller placement problem in SDWAN
Wenhao Li, Jiugen Shi, Yong He, Xiaoxiao Chen
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Proceedings Volume 12290, International Conference on Computer Network Security and Software Engineering (CNSSE 2022); 122900Q (2022) https://doi.org/10.1117/12.2640701
Event: International Conference on Computer Network Security and Software Engineering (CNSSE 2022), 2022, Zhuhai, China
Abstract
There is a problem in Software Defined Network (SDN), is for the controller to select a suitable location, used to achieve the reduction of propagation delay between controller and switch, aiming at this problem, the article puts forward the partition algorithm based on time latency (PABL), the algorithm can guarantee that it can select appropriate location to place controller in each subnetwork, this can reduce the propagation delay between the controller and the switch. Due to the influence of geographical factors, the number of switches in each subnetwork is very different, which would lead to the unbalanced load of controllers among the subnetworks. In order to solve the above problem, this paper proposes a load balancing algorithm based on switch migration (LBABSM). The simulation results show that compared with k-means and k-mediods, PABL algorithm can effectively reduce the propagation delay between controller and switch. After LBABSM algorithm, the load of controller in each subnetwork reaches the equilibrium state.
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Wenhao Li, Jiugen Shi, Yong He, and Xiaoxiao Chen "A multi-controller placement problem in SDWAN", Proc. SPIE 12290, International Conference on Computer Network Security and Software Engineering (CNSSE 2022), 122900Q (3 October 2022); https://doi.org/10.1117/12.2640701
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KEYWORDS
Switches
Network architectures
Computer simulations
Computer architecture
Local area networks
Stochastic processes
Systems modeling
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