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Ensuring high quality of service and reliability are the key essential requirements in industrial type applications. Routing is an essential way in realizing these requirements as it determines the reliability, lifetime, end-to-end delay of a network. SDN delivers a promising solution to Wireless sensor networks (WSN) by providing flexibility in network management decisions such as routing, scheduling, just to mention a few. On the other hand, RPL is considered as the standardized routing protocol for industrial-type applications. Due to the rapid technological growth in WSN, which increases its challenges, a need to provide a detailed performance evaluation of SDN and RPL is consequential. In this paper, we investigate on the performance of SDN and RPL by providing a performance analysis on real-hardware based experimental measurements using OpenMote- CC2538. The results were compared with the simulated nodes in terms of reliability, packet loss and end-to-end delay. In Chapter 2 we introduce the terms of IoT and SDN. In Chapter 3 we show some details about the technologies that we used or some other researchers use; like simulators, devices, SDN controllers etc. In Chapter 4 we discuss some related works. In Chapter 5 we explain the steps of implementation and the results of performance evaluation. In last Chapter 6 we present our conclusions and provide some future works.