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《Acta Electronica Sinica》 2017-03
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Controller Placement Based on Hierarchical Multi-center SDN

ZHANG Dong;GUO Jun-jie;WU Chun-ming;College of Mathematics and Computer Science,Fuzhou University;College of Computer Science,Zhejiang University;  
Software defined networking( SDN) is a style of computer networking that separates the control plane from the data plane,shifting the control plane to a centralized controller in order to achieve network flexibility and openness. The controller placement is a key prerequisite to successful SDN. The current study examines the hierarchically distributed control plane controller placement problem,utilizing a multi-level k-way switch partition algorithm to divide large scale network topology. We also fix the traditional SDN controller placement problem,changing zoning and intra-domain controller placement by reducing the edge-cut in order to lower the number of inter-domain flows. Simulation results showthat the multilevel k-way switch partition algorithm can effectively reduce control flowoverhead and flowset-up time,compared with the other traditional algorithms.
【Fund】: 国家重点基础研究发展计划973课题:(No.2012CB315903);; 浙江省重点科技创新团队(No.2011R50010-05 No.2013TD20);; 国家863高技术研究发展计划项目:(No.2015AA016103);; 国家自然科学基金项目:(No.61379118);; 福建省引导性重点项目(No.2016Y0060)
【CateGory Index】: TP393.0
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