MN603 - Wireless Networks and Security - IT Assignment Help

Assignment Task -             

Commence

The purpose of the assignment is to analyse the routing protocols and evaluate  them in terms of security, QoS, and energy efficiency. Students will be able to  complete the following ULOs: 

a. Compare standards-based technologies used in various networks;

b. Test and evaluate various wireless networks performance;

 Description 

Part A  

Mobile Ad Hoc network (MANET) is a collection of mobile devices which form a communication  network. There are multiple type of routing protocols designed for MANETs such as Ad Hoc On Demand Distance Vector (AODV), Destination-Sequenced Distance-Vector (DSDV), Dynamic Source  Routing (DSR) and Ad Hoc On-Demand Multipath Distance (AOMDV). Students are required to submit a report including technical details on Dynamic Source Routing (DSR)  and Ad Hoc On-Demand Multipath Distance (AOMDV) protocols. Report must include details on  

• Routing mechanism 

• Advantages and limitations of using these protocols in WSNs

Part B  

Wireless networks performance varies from wired networks, the latter uses a guided medium and  wireless networks use unguided medium for transmission. To design and simulate wireless  networks the network simulator - 2 (NS - 2), an open source discreet event simulator could be used.  The NS-2 simulator is a widely used simulation tool, which could generate trace files for analysis  and comes with a network animator to visualize the network performance. 

This assessment requires students to compare and evaluate the performance of wireless routing  protocol using the NS-2. The assessment requires students to design a wireless network topology in  NS-2 and evaluate the generated trace files for a wireless routing protocol. The students are  required to carry out a critical analysis of the results of the protocol, by plotting graphs and  discussing the outcomes. 

The students are required to: 

Design a wireless network consisting of 15 nodes; the dimensions for the given topology are  250x250. The agent type should be UDP and the traffic CBR. The simulation should run for 300  seconds. Random deployment of nodes is required and the nodes are required to transmit packets  over the network. The wireless node configuration should include the NS-2 energy model. 

Run the simulation on routing protocol DSR or AOMDV. Critically analyse the trace files in terms of  packets sent, received and dropped. These parameters should be plotted on graphs and discussed  in detail.Include screenshots of the NAM displaying the nodes deployed during the simulation and add  screen shots of the simulation. 

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