International Journal of Computer Science and Network Solutions (IJCSNS)
In 21 century, networks provide flexibility to users and businesses is at high cost. Managing and controlling such networks has become very difficult and complex activity. In this situation, Software Defined Networking (SDN) is the best solution because SDN change the networking world. Software defined networking provides flexible control over network policies and traffic flows. By using software defined networking, network administrator would be able to change network policies according to user requirements. Secondly, internet protocols brought a huge success in early seventies due to its success new applications are developed slightly different from the previous used networks.