Avaliação do Impacto da Ação Maliciosa de Nós no Roteamento em Redes Ad Hoc

• Luiz Gustavo S. Rocha UFRJ
• Luís Henrique M. K. Costa UFRJ
• Otto Carlos M. B. Duarte UFRJ

DOI: https://doi.org/10.5753/sbseg.2003.21250

Abstract

Meeting security requirements is essential to spread the use of ad hoc networks in hostile environment applications. This paper analyzes attacks that exploit the vulnerabilities of the ad hoc routing mechanisms. The attacks are based on the malicious behavior of some network nodes, regarding the forwarding of control messages. AODV is the routing protocol studied. AODV is a reactive protocol where each node act as a router and routes are setup on demand, therefore the malicious behavior of some nodes may affect the whole network performance. The paper presents the results of the malicious nodes’ action and identifies the most sensitive attack points that degrade the total network performance regarding the data packet delivery rate.

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