A limited resource model of fault-tolerant capability
against cascading failure of complex network |
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| Authors: | P Li B-H Wang H Sun P Gao T Zhou |
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| Institution: | (1) Department of Basic Sciences, Nanjing Institute of Technology, Nanjing, 211167, P.R. China;(2) Department of Modern Physics and Nonlinear Science Center, University of Science and Technology of China, Hefei, 230026, P.R. China;(3) Shanghai Academy of System Science, Shanghai, 200093, P.R. China;(4) Department of Physics, University of Fribourg, 1700 Fribourg, Switzerland |
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| Abstract: | We propose a novel capacity model for complex networks
against cascading failure. In this model, vertices with both higher
loads and larger degrees should be paid more extra capacities, i.e.
the allocation of extra capacity on vertex i will be proportional
to ki
γ , where ki is the degree of vertex i
and γ > 0 is a free parameter. We have applied this model on
Barabási-Albert network as well as two real transportation
networks, and found that under the same amount of available
resource, this model can achieve better network robustness than
previous models. |
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| Keywords: | 89 75 Hc Networks and genealogical trees 05 10 -a Computational methods in statistical physics and nonlinear dynamics |
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