Abstract
Building on the vast body of existing TCP models, we develop a novel versatile model that explicitly captures user heterogeneity, and takes into consideration dynamics at both the packet level and the flow level. It is described how the resulting multiple time-scale model can be numerically evaluated. Validation is done by using NS2 simulations as a benchmark. In extensive numerical experiments, we study the impact of heterogeneity in the round-trip times on user-level characteristics such as throughputs and flow transmission times, thus quantifying the resulting bias. In particular, we investigate to what extent this bias is affected by the networks’ ‘packet-level parameters’, such as buffer sizes. We conclude by extending the single-link model in a straightforward way to the general network setting.
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Abendroth, D., van den Berg, H., Mandjes, M. (2005). A Multiple Time-Scale Model for TCP Bandwidth Sharing Under User Heterogeneity. In: Boutaba, R., Almeroth, K., Puigjaner, R., Shen, S., Black, J.P. (eds) NETWORKING 2005. Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems. NETWORKING 2005. Lecture Notes in Computer Science, vol 3462. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11422778_45
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DOI: https://doi.org/10.1007/11422778_45
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