Logarithmic growth dynamics in software networks

Details Logarithmic growth dynamics in software networks Logarithmic growth dynamics in software networks

2005-11-07

arxiv.org/abs/physics/0511064v1

Europhys. Lett. 72 (5) (2005)

Physics

Physics and Society

7 pages, 3 figures, published in Europhysics Letters (2005)

Scientific paper

10.1209/epl/i2005-10314-9

In a recent paper, Krapivsky and Redner (Phys. Rev. E, 71 (2005) 036118) proposed a new growing network model with new nodes being attached to a randomly selected node, as well to all ancestors of the target node. The model leads to a sparse graph with an average degree growing logarithmically with the system size. Here we present compeling evidence for software networks being the result of a similar class of growing dynamics. The predicted pattern of network growth, as well as the stationary in- and out-degree distributions are consistent with the model. Our results confirm the view of large-scale software topology being generated through duplication-rewiring mechanisms. Implications of these findings are outlined.

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