Self-Organised Security in Mobile Ad Hoc Networks / Alaa Mustafa Hassan

In this book, we explore Ad Hoc On-Demand Distance Vector (AODV) routing protocol performance in the presence of two severe security attacks (Flooding attack and Black Hole attack). NS-3 (Network Simulator 3) is used to simulate a MANET environment with wireless nodes running AODV protocol. Flooding and Black Hole attacks are simulated to show the effects on the network in terms of packet drop ratio, transmission delays and routing overheads. Based on these results, we observe that Flooding attack severely depreciates the network performance by dropping valid data packets ranging from 4% to 70% as proportional to the frequency of flooding packets. Then, we design and build two prevention schemes in order to improve the vulnerabilities observed in the existing protocols. These prevention schemes are inspired by FAP (Flooding Attack Prevention) and AMTT (Avoiding Mistaken Transmission Table) techniques which are then simulated in NS-3 and the results are observed. After that, these results are compared in order to analyze the improvements in network performance. Our findings show that the AMTT increases the network throughput when compared with FAP.
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