Journal on Communications ›› 2017, Vol. 38 ›› Issue (7): 155-164.doi: 10.11959/j.issn.1000-436x.2017136

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Survey of controller placement problem in software defined network

Xian-ming GAO,Bao-sheng WANG,Wen-ping DENG,Jing TAO   

  1. Department of Computer,National University of Defense Technology,Changsha 410073,China
  • Revised:2017-04-01 Online:2017-07-01 Published:2017-08-25
  • Supported by:
    The National Basic Research Program of China (973 Program)(2012CB315906);The National Natural Science Foundation of China(61373039)

Abstract:

In order to change situation of high management complexity in current Internet,software defined network (SDN) was proposed,which mainly aimed to directly control forwarding behaviors of data-flow by using flow strategies generated by controllers.With the deployment and applications of SDN,research communities found that the controller placement in SDN network could directly affect network performance.In recent years,controller placement problem (CPP) has become a hot topic,where performance metric and searching algorithms are important research areas.Based on current researches,the existing controller placement problem was systematically analyzed and summarized,which was expected to be helpful for the follow-up research.

Key words: software defined network, multi-controller, controller placement, performance metric, searching algorithm

CLC Number: 

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