Coordination and computation paradigm on a Software Defined Network

Abstract

Since SDN is highly programmable and decoupled the controller plane from the data plane, SDN has played a major role to provide some promising solutions to the traditional network. Mainly the controller has taken the flow management of the network by considering the whole network status and achieved performance improvements, high -flexibility and efficient configuration. Therefore, SDN has emerged as a trending approach for the network application development. Even though the SDN was able to minimize burning problems in a traditional network, SDN still is in its experimental level to support scalability, single point of failure etc. This thesis discusses the early practices of SDN by highlighting its architectural concepts with the evolution of software defined network. Further it examines the technologies which supports SDN such as OpenFlow, network virtualization and mininet. According to the statistics gained from the research evaluation, it has proven that the multiple controllers were able to reduce the so-called controller overhead than the single controller. Furthermore, the implementation of network function virtualization depicts the notion of SDN and simple emulation using mininet shows the practical aspect of this thesis.