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A Unified Wormhole Attack Detection Framework for Mobile Ad hoc Networks

Karlsson, Jonny (2017). A Unified Wormhole Attack Detection Framework for Mobile Ad hoc Networks. PhD thesis The Open University.

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The Internet is experiencing an evolution towards a ubiquitous network paradigm, via the so-called internet-of-things (IoT), where small wireless computing devices like sensors and actuators are integrated into daily activities. Simultaneously, infrastructure-less systems such as mobile ad hoc networks (MANET) are gaining popularity since they provide the possibility for devices in wireless sensor networks or vehicular ad hoc networks to share measured and monitored information without having to be connected to a base station. While MANETs offer many advantages, including self-configurability and application in rural areas which lack network infrastructure, they also present major challenges especially in regard to routing security. In a highly dynamic MANET, where nodes arbitrarily join and leave the network, it is difficult to ensure that nodes are trustworthy for multi-hop routing. Wormhole attacks belong to most severe routing threats because they are able to disrupt a major part of the network traffic, while concomitantly being extremely difficult to detect.

This thesis presents a new unified wormhole attack detection framework which is effective for all known wormhole types, alongside incurring low false positive rates, network loads and computational time, for a variety of diverse MANET scenarios. The framework makes three original technical contributions: i) a new accurate wormhole detection algorithm based on packet traversal time and hop count analysis (TTHCA) which identifies infected routes, ii) an enhanced, dynamic traversal time per hop analysis (TTpHA) detection model which is adaptable to node radio range fluctuations, and iii) a method for automatically detecting time measurement tampering in both TTHCA and TTpHA.

The thesis findings indicate that this new wormhole detection framework provides significant performance improvements compared to other existing solutions by accurately, efficiently and robustly detecting all wormhole variants under a wide range of network conditions.

Item Type: Thesis (PhD)
Copyright Holders: 2015 The Author
Keywords: ubiquitous computing; computer networks; wireless communication systems; ad hoc networks; mobile communication systems; computer security; internet; packet transport networks
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 48643
Depositing User: Jonny Karlsson
Date Deposited: 07 Mar 2017 16:00
Last Modified: 02 May 2018 14:26
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