Bug propagation and debugging in asymmetric software structures

Details Bug propagation and debugging in asymmetric software structures Bug propagation and debugging in asymmetric software structures

2003-06-19

arxiv.org/abs/cond-mat/0306509v5

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevE.70.046109

Software dependence networks are shown to be scale-free and asymmetric. We then study how software components are affected by the failure of one of them, and the inverse problem of locating the faulty component. Software at all levels is fragile with respect to the failure of a random single component. Locating a faulty component is easy if the failures only affect their nearest neighbors, while it is hard if the failures propagate further.

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