Comprehensive assessment of software defined network implementation using OpenFlow protocol

Arpana Shanta

Bachelor's thesis

Abstract:

In recent times, the increasing traffic demand which leads to a more complex network obsoleting traditional networking methods. To deal with this problem a new paradigm in networking called software-defined networking (SDN) has emerged. In this thesis work, a comprehensive overview of SDN has been presented along with its simple implementation by a well-known SDN protocol called OpenFlow. This research work describes the architecture and components of SDN and OpenFlow. During the work, it has been seen that how SDN can minimize the difficulty of handling large and distributed networks. A small SDN network has been implemented with the help of the Mininet network emulation tool using Open flow protocol, Open vSwitch, and Ryu controller. Several tests have been carried out to test the performance of SDN in comparison to the traditional network. In this implementation, it has been seen that routing convergence time in SDN network is less compare to traditional network as the topology size gets bigger. This also suggests that the SDN network converges more rapidly than the conventional network and the routing time for convergence is strongly affected by the changing topology size.

Keywords

Computer network, OpenFlow, Network function virtualization (NFV), Mininet, Software-defined network (SDN)

Language used: English

Date on which the thesis was submitted / produced: 12. 3. 2021

Thesis defence

• Supervisor: Ing. Tomáš Vokoun

Czech University of Life Sciences Prague

Faculty of Economics and Management

Bachelor programme / field:
Systems Engineering and Informatics / Informatics