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ACM Transactions on Modeling and Computer Simulation (TOMACS)
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Lectures on formal methods and performance analysis
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QEST '07 Proceedings of the Fourth International Conference on Quantitative Evaluation of Systems
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PERCOM '08 Proceedings of the 2008 Sixth Annual IEEE International Conference on Pervasive Computing and Communications
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QEST '08 Proceedings of the 2008 Fifth International Conference on Quantitative Evaluation of Systems
Analysis of Large Populations of Interacting Objects with Mean Field and Markovian Agents
EPEW '09 Proceedings of the 6th European Performance Engineering Workshop on Computer Performance Engineering
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Electronic Notes in Theoretical Computer Science (ENTCS)
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Proceedings of the 8th International Conference on Computational Methods in Systems Biology
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QEST '10 Proceedings of the 2010 Seventh International Conference on the Quantitative Evaluation of Systems
CONCUR'12 Proceedings of the 23rd international conference on Concurrency Theory
Computer Networks: The International Journal of Computer and Telecommunications Networking
Model checking markov population models by central limit approximation
QEST'13 Proceedings of the 10th international conference on Quantitative Evaluation of Systems
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Peer-to-peer botnets, as exemplified by the Storm Worm, and the spreading phase of Stuxnet, are a relatively new threat to security on the internet: infected computers automatically search for other computers to be infected, thus spreading the infection rapidly. In a recent paper, such botnets have been modeled using Stochastic Activity Networks, allowing the use of discrete-event simulation to judge strategies for combating their spread. In the present paper, we develop a mean-field model for analyzing botnet behavior and compare it with simulations obtained from the Moebius tool. We show that the mean-field approach provides accurate and orders-of-magnitude faster computation, thus providing very useful insight in spread characteristics and the effectiveness of countermeasures.