Defending Against DoS Attacks in SDN - Management Assignment Help

Assignment Task:

Task:

Question 1: Defending against DoS attacks in SDN
(i) [8 marks] Identify one type of DoS attack (of your choice) in SDN. This must be based on a single academic paper (journal or conference), but can be modified and enhanced with your own assumptions, ideas, and design choices. Explain how the attack works. Describe the attack using message sequence diagrams and flowcharts. Include information such as the attacker’s objectives and capabilities, target(s) of the attack, and a diagram of the considered network topology. Specify the assumptions so that the attack can be successful. Explain the role of all the relevant elements and components. Explain why you think that these are reasonable assumptions. Make it clear which content/ideas have been borrowed from the academic paper and which are yours. Include an Appendix with the definitions of all security- related and SDN-related terminology that you have used.

(ii) [17 marks] For the DoS attack type described in the previous part, design a defence mechanism. This design can be based on one or more academic papers (including the paper used in the previous part if you want) and can be enhanced with your own ideas. Explain how your defence solution works. Specify any new (or modified) components or elements and explain their functionality using flowcharts and tables (e.g., Flow Tables of a Switch). If your solution involves new (or modified) network traffic, explain it using message sequence diagrams. Explain why you think that this solution will be effective against the considered DoS attack type. Discuss any impact on the Quality-of-Experience of legitimate users. Make it clear which ideas have been borrowed from the academic paper(s) and which are yours. Add to the Appendix any new security-related and SDN-related terminology that you have used.

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