Neutralization of Errors and Attacks in Wireless Ad Hoc Networks

Authors:
Claudio Basile
Affiliations:
University of Illinois at Urbana-Champaign
Venue:
DSN '05 Proceedings of the 2005 International Conference on Dependable Systems and Networks
Year:
2005

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Ad Hoc Networks

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Abstract

This paper proposes and evaluates strategies to build reliable and secure wireless ad hoc networks. Our contribution is based on the notion of inner-circle consistency, where local node interaction is used to neutralize errors/attacks at the source, both preventing errors/attacks from propagating in the network and improving the fidelity of the propagated information. We achieve this goal by combining statistical (a proposed fault-tolerant cluster algorithm) and security (threshold cryptography) techniques with application-aware checks to exploit the data/computation that is partially and naturally replicated in wireless applications. We have prototyped an inner-circle framework with the ns-2 network simulator, and we use it to demonstrate the idea of inner-circle consistency in two significant wireless scenarios: (1) the neutralization of black hole attacks in AODV networks and (2) the neutralization of sensor errors in a target detection/localization application executed over a wireless sensor network.