Self Organized Critical Traffic in Parallel Computer Networks
AbstractIn a recent paper, we analysed the dynamics of traffic flow in a simple, square lattice architecture. It was shown that a phase transition takes place between a free and a congested phase. The transition point was shown to exhibit optimal information transfer and wide fluctuations in time, with scale-free properties. In this paper we further extend our analysis by considering a generalization of the previous model in which the rate of packet emission is regulated by the local congestion perceived by each node. As a result of the feedback between traffic congestion and packet release, the system is poised at criticality. Many well-known statistical features displayed by Internet traffic are recovered from our model in a natural way.
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Bibliographic InfoPaper provided by Santa Fe Institute in its series Working Papers with number 01-11-071.
Date of creation: Nov 2001
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Self-organized criticality; Internet; traffic; computer networks; scaling;
This paper has been announced in the following NEP Reports:
- NEP-ALL-2002-03-14 (All new papers)
- NEP-CMP-2002-03-14 (Computational Economics)
- NEP-ENT-2002-03-14 (Entrepreneurship)
- NEP-NET-2002-03-14 (Network Economics)
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