Technology of Network & Communication
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3147-3152

Dynamic load balancing strategy based on SDN

Liu Yi
Li Kaixin
Li Guoyan
Pan Yuheng
College of Computer & Information Engineering, Tianjin Chengjian University, Tianjin 300384, China

Abstract

To solve the problem of controller load imbalance caused by static network structure can't adapt to the dynamic change of traffic in software defined networking, this paper proposed a stage dynamic controller load balancing strategy(SDCLB). In phase one, it determined the candidate set of immigration controller with the aim of load equalization, and considered the delay and loaded comprehensively, designed index function to determine the switch to be migrated. In phase two, it considered the connectivity of network nodes, proposed an improved EMD model with minimum migration cost and used the linear approximation algorithm to solve it quickly. The method realized the fast parallel migration of switches. Results show that compared with the existing load balancing strategy, this strategy improves the process of selecting immigration controllers and switches, and optimizes network performance. The load balancing degree of this strategy increases by about 31.4%.

Foundation Support

国家自然科学基金资助项目(61871380)
天津市自然科学基金资助项目(17JCQNJC00500)
天津市科技特派员项目(18JCTPJC61800)
天津市教委科研计划资助项目(2018KJ174,2017KJ058)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.05.0226
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 10
Section: Technology of Network & Communication
Pages: 3147-3152
Serial Number: 1001-3695(2020)10-055-3147-06

Publish History

[2020-10-05] Printed Article

Cite This Article

刘毅, 李凯心, 李国燕, 等. 基于SDN的动态负载均衡策略 [J]. 计算机应用研究, 2020, 37 (10): 3147-3152. (Liu Yi, Li Kaixin, Li Guoyan, et al. Dynamic load balancing strategy based on SDN [J]. Application Research of Computers, 2020, 37 (10): 3147-3152. )

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  • Application Research of Computers Monthly Journal
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    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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