Zusammenfassung
Mobile Ad Hoc Network (MANET) is one kind of new wireless network
structures which is also known as infrastructure less network. Unlike devices in traditional
wireless LAN solution, all nodes are movable and the topology of the network is changing
dynamically in an Ad Hoc Network, which brings
great challenges to the security of Mobile
Ad Hoc Networks. MANET is particularly vulnerable to various types of security attacks
due to its fundamental characteristics e.g. the lack of centralized monitoring,
dynamic
network topology, open medium, autonomous terminal and management. As a result,
attackers can take advantage of flaws in routing protocols to carry out various attacks. The
black hole attack is one of such security issue in MANET. It could disturb the routing
protocol and bring about huge damage to the network’s topology. In this attack, a malicious
node gives false information of having shortest route to the destination node so as to get all
data packets and drops it. In this paper, we propose an algorithm which mitigates the
impact of black hole attack in AODV routing
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