This assignment consists of Part 1 and Part 2. PART 1: Wired Network Performance
Consider a wired network model (OMNET++) using a Gigabit Ethernet (GbE) backbone switch linked to several Ethernet sub-switches (also called subnet) so that large number of wired nodes/clients can be accommodated to the network. For example, one subnet can support up to 20 nodes (for optimum performance). So, if you are simulating a network with 100 nodes in total, your network model should have 5 subnets linked to a GbE backbone.
[Hint: Video streaming uses UDP transport layer protocol, and hence UDPVideoStreamCli,
UDPVideoStreamSvr can be used for video client and video Server, respectively.]
Investigation: Effect of increasing the number of video clients on system performance You may use the following table to record your simulation results.
|Nodes||Throughput (bps)||End-to-end Delay (sec)||# of Packet loss|
Objective: In completing Part 2 of the assignment, you will explore the effect of increasing wireless/mobile video clients on the performance of a hybrid network.
Video Throughput; End-to-end delays; and packet losses.
Hints: Example of analysis and synthesis of research findings: You may use the following table to record your simulation results. Also draw various graphs if appropriate.
|Nodes/clients||Throughput (bps)||End-to-end Delay (s)||# of Packet loss|
Introduction: What, why and how? – Begin your report with a clear objective (What!) of your assignment. Explain why this assignment/research is needed and how you have completed it. Outline the structure of the rest of the report.
Modelling the network: Describe the model that you have developed using appropriate screenshots for models and subnet (hint: avoid unnecessary screenshots).
Results and Analysis: Summarise your simulation results using tables and/or graphs (Excel or Matlab graphs) and provide a comparative analysis.
Model Validation: Discuss how you have validated your simulation results.
Lesson learned: Write a paragraph or two, reflecting on your own learning.
Conclusion: Summarise the main findings and future research directions.
References: List at least 5 references that you have used in the report.
Report Length: (Part 1: 4-6 pages; Part 2: 10-14 pages)
Font: 11 Times New Roman.
Appendices A to F
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