oller placement problem. HotSDN, 12, 1-6. Jarraya, Y., Madi, T., & Debbabi, M. (2014). A Survey and a Layered Taxonomy of Software-Defined Networking. IEEE Communications Surveys and Tutorials, 16(4), 1955-1980. doi:10.1109/COMST.2014.2320094 Jarschel, M., Lehrieder, F., Magyari, Z., & Pries, R. (2012). A flexible OpenFlow- controller benchmark. Software Defined Networking, 48-53. doi:10.1109/ EWSDN.2012.15 Kotani, D., Suzuki, K., & Shimonishi, H. (2012). A Design and Implementation of OpenFlow Controller Handling IP Multicast with Fast Tree Switching. Applications and the Internet (SAINT), 2012 IEEE/IPSJ 12th International Symposium, 60-67. doi:10.1109/SAINT.2012.17 Open Flow Switch Consortium. (2017). Retrieved August 3, 2017, from http://www. openflow.org/ Downloaded 4/15/2022 9:44:49 AM Nova Southeastern University IP Address: 137.52.76.29 The Heart and Brain of SDN Rao, S. (2014, March). SDN Series Part Four: Ryu, a Rich-Featured Open Source SDN Controller Supported by NTT Labs. Retrieved May, 2017, from https:// thenewstack.io/tag/sdn-series/ Voellmy, A., & Wang, J. (2012). Scalable Software Defined Network Controllers. SIGCOMM, 12, 1-2. KEY TERMS AND DEFINITIONS Floodlight: It is slightly different in its demeanor in a way that it is a branch of the beacon controller and written in Java; hence, it supports object orientation and is platform independent and robust in nature. It supports only 1.0v of open flow and provides all the possible facilities as any other controller. NOX: The very first of its kind in the open source controllers. It is a platform for traffic control over the network with a superior level of interface for the handling of the network control applications. It majorly had C++ support and came out in classic and original versions. OpenFlow: An open source network protocol which is programmable in nature and directs and handles the traffic flow of the network. The SDN controller can run on multiple protocols but it is one of the most popular ones. It segregates the programming of the layer