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The Computer Journal 2004 47(2):179-192; doi:10.1093/comjnl/47.2.179
© 2004 by British Computer Society
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A Framework for the Analysis of Denial of Service Attacks

Ahmad R. Sharafat1,* and Mehran S. Fallah2,§

1 Department of Electrical Engineering, Tarbiat Modarres University, PO Box 14155-4838, Tehran, Iran 2 Department of IT and Computer Engineering, Amirkabir University of Technology, Tehran, Iran

We develop a framework for the analysis of Denial of Service (DoS) attacks in computer networks. In this framework, we identify the components and resources that collectively and in time, construct a service that may become unavailable due to the unavailability of those resources as a result of a DoS. We also construct the notion of service resilience pre-ordering to compare the effectiveness of solutions proposed to improve a system's resilience against DoS. We apply our framework and methods to some cases, and show their usefulness and applicability in practice.

Received 27 March 2003. Revised 28 September 2003.

* Email: sharafat{at}isc.iranet.net

§ Email: fallah{at}ce.aut.ac.ir


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