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Detecting incidents in wireless mesh networks using flow and routing information

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Detecting Incidents in Wireless Mesh Networks using Flow and Routing Information

Lothar Braun1, Alexander Klein1, Leon Aaron Kaplan2, Georg Carle1

1Lehrstuhl f¨ur Netzarchitekturen und Netzdienste, Technische Universit¨at M¨unchen

2CERT.at - Computer Emergency Response Team Austria

Abstract: The topology in wireless multi-hop networks can change frequently due to characteristics of the shared medium, mobility of the users, or miss-behaving and malicious nodes. Frequent topology changes typically lead to inconsistencies in the network topology since routing protocols can only cope with certain topology change rate. These incidents may even lead to a temporary collapse of the network if coun- termeasures are not applied in time. Therefore, an early detection of incidents is nec- essary to achieve a high availability of these networks. In this work, we propose a monitoring infrastructure for wireless ad-hoc networks which is able to detect inci- dents by evaluating flow and routing information.

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