Performance Evaluation of SDN Controllers

Abstract

SDN is one of the most promising technologies of networking. It provides an agile paradigm of networking by segregating the control plane from the data plane. SDN aids to reduce the complexity of network management via programmability that creates an environment of network with efficiency, scalability, adaptability, flexibility, reliability, etc. Through programming, the configuration of network elements is done automatically and eliminates manual configuration. Moreover, it provides the user with a holistic view of the network to know about the risk of failure in the network. It is possible due to a controller that offers a logically centralized view of the entire network. The proposed model integrates queuing technique in SDN to improve the quality of service in a network in terms of round-trip time (RTT), average throughput, average bandwidth, ping delay, etc. Moreover, with the lessened value of round-trip time, the reliability of a network is increased, and the latency of the network is decreased. The motive of this paper is to compare the performance of various role SDN controllers with a proposed model in terms of these parameters. During simulation to analyze, the proposed scheme shows more appropriate result as compared to other configuration of SDN controllers.