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This paper presents preliminary results from a simulation-based study of static, wireless multi-hop networks with linear chain topologies supporting the uni-directional flow of data. Chain lengths of up to 10 nodes have been examined. The effects of varying parameters such as the number of nodes, the MAC data rate, the offered load and the packet size have been investigated. In addition, the influence...
The uniqueness of security vulnerabilities in ad hoc networks has given rise to the need for designing novel intrusion detection algorithms, different from those present in conventional networks. In this work, we propose an autonomous host-based intrusion detection system for detecting malicious sinking behavior. The proposed detection system maximizes the detection accuracy by using cross-layer features...
In ad hoc networks, the vulnerability of nodes to routing attacks is a serious concern. In this work we propose a cross-layer based routing attack detection system for ad hoc networks. Previous work that uses mostly audit trails collected from the routing protocol suffers from inadequacy of features to construct a reliable model for detecting anomalous routing behavior. On the other hand, use of linear...
Because of the inherent characteristics of MANET, such as distributed control and the lack of infrastructure, security threats exist almost in all layers of the network stack. This makes the design of intrusion detection systems for MANETS extremely hard. This work focuses primarily on studying the ability of detection of routing attacks in MANETS using various IDS schemes. We illustrate the inadequacy...
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