Performance Evaluation of SDN Controllers in Wireless Network

The ongoing relentless innovation of technologies like Big data, cloud computing, virtual reality is creating the need for more secure, further reliable, more scalable ultra fast networks. For meeting these objectives Software Defined Networking (SDN) arises. Distinguished control plane and data plane have made SDN more dependable, fast, secure and increased its widespread acceptance. The crucial part of such a network is the controller which handles the flow control and makes the network more effective. So, for ensuring better performance of the network, selection of the right controller according to the need is imperative. Thus performance evaluation of available SDN controllers is a high-priority. Though there are many researches pursued on the performance analysis of SDN controllers in terms of wired network, there is a lack of studies involving controller efficiency in wireless network. In this paper we have examined the performance of some popular SDN controllers like Ryu, POX, ONOS and Floodlight in an emulated wireless network. Analysing the test results we have asserted our observation regarding the controller performance which can be of considerable importance while determining the right SDN controller for wireless network.