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TCP's role in the propagation of self-similarity in the Internet by A. Veres; Zs. Kenesi; S. Molnár; G. Vattay is a Computer Science article available to read on EtoBox.

What is TCP's role in the propagation of self-similarity in the Internet about?

This paper analyzes how TCP congestion control can propagate self-similarity between distant areas of the Internet. This property of TCP is due to its congestion control algorithm, which adapts to self-similar fluctuations on several timescales. The mechanisms and limitations of this propagation are investigated. It is demonstrated that if a TCP connection shares a bottleneck link with a self-similar background traffic flow, it propagates the correlation structure of the background traffic flow asymptotically, above a characteristic timescale. The cut-off timescale depends on the end-to-end path properties, e.g. round-trip time and average window size, and the receiver window size in case of high-speed connections. It is also shown that even short TCP connections can propagate long-range correlations effectively. In case when TCP encounters several bottleneck hops, the end-user perceived end-to-end traffic is also long-range dependent and it is characterized by the largest Hurst exponent. Through simple examples, it is shown that self-similarity of one TCP stream can be passed on to other TCP streams that it is multiplexed with. The limitations of propagation depend on network cond

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Author

A. Veres; Zs. Kenesi; S. Molnár; G. Vattay

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0140-3664)

Published

2003

Language

EN

Field

Computer Science (Physical Sciences)