Mitigação de Ataques de Inundação para Redes em Malha sem Fio usando Reputação e Filtering

• Flávio Arieta UFPR
• Larissa Barabasz UFPR
• Michele Nogueira UFPR

DOI: https://doi.org/10.5753/sbseg.2013.19542

Abstract

Wireless mesh networks (WMNs) have being applied in different social contexts, such as health care, transportation and entertainment. These networks support tecnological convergence and resilience, required for the effective operation of those aplications. However, WMNs are prone to attacks that compromise mobility management and network access. This work proposes MIRF, a security scheme based on reputation and filtering to mitigate flooding attacks on mobility management of wireless mesh networks. The efficiency of the MIRF scheme has been evaluated by simulations considering scenarios with and without attacks. Analyses show that it significantly improves the packet delivery ratio in scenarios with attacks, mitigating their intentional negative effects, as the reduction of malicious ARP requests. Furthermore, improvements have been observed in the number of handoffs on scenarios under attacks, being faster than scenarios without the scheme.

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