Catching IP traffic burstiness with a lightweight generator

Authors:
Chloé Rolland;Julien Ridoux;Bruno Baynat
Affiliations:
Université Pierre et Marie Curie-Paris VI, LIP6, CNRS, UMR, Paris, France;ARC Special Research Center for Ultra-Broadband Information Networks, The University of Melbourne, Australia;Université Pierre et Marie Curie-Paris VI, LIP6, CNRS, UMR, Paris, France
Venue:
NETWORKING'07 Proceedings of the 6th international IFIP-TC6 conference on Ad Hoc and sensor networks, wireless networks, next generation internet
Year:
2007

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Abstract

This paper presents LiTGen, an easy to use and tune open-loop traffic generator that statistically models IP traffic on a per user and application basis. From a packet level capture originating in an ISP wireless network1, and taking the example of Web traffic, we show that the simple underlying structure of LiTGen is sufficient to reproduce the traffic burstiness accurately. In addition, the flexibility of LiTGen enables us to investigate the sensitivity of the traffic structure with respect to the distributions of the random variables involved in the model, and their possible dependencies.