Hybrid Software Defined Networking Controller

There exists some common bottlenecks among the many available Software Defined Networking (SDN) controllers. Of these, the current analysis uses the Floodlight software controller to identify bottlenecks. The analysis has implemented these bottlenecks in a Field Programmable Gate Array (FPGA) in order to assess its feasibility. Thereafter, a Hybrid SDN controller has been developed. Generally Hybrid SDN refers to a networking approach where traditional networking and SDN protocols are used and operated in the same environment. Hybrid in this paper context refers to a controller which is developed both on software and hardware platforms in order to achieve a higher scalability which is a current issue existing in software controller, and thereby overcoming the identified bottlenecks. The analysis has offloaded computational intensive models to an FPGA and tested for performance. These performance figures have then been compared against the performance figures as of a stand-alone software controller.