Dynamical properties of model communication networks

Details Dynamical properties of model communication networks Dynamical properties of model communication networks

2002-06-06

arxiv.org/abs/cond-mat/0206077v1

Phys. Rev. E 66, 026704 (2002)

Physics

Condensed Matter

Statistical Mechanics

8 pages, 8 figures

Scientific paper

10.1103/PhysRevE.66.026704

We study the dynamical properties of a collection of models for communication processes, characterized by a single parameter $\xi$ representing the relation between information load of the nodes and its ability to deliver this information. The critical transition to congestion reported so far occurs only for $\xi=1$. This case is well analyzed for different network topologies. We focus of the properties of the order parameter, the susceptibility and the time correlations when approaching the critical point. For $\xi<1$ no transition to congestion is observed but it remains a cross-over from a low-density to a high-density state. For $\xi>1$ the transition to congestion is discontinuous and congestion nuclei arise.

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