Traffic dynamics on layered complex networks

Yue Zhuo, Yunfeng Peng, Chang Liu, Yingkai Liu and Keping Long

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 12, 2401-2407

Abstract: To minimize traffic congestion, understanding how traffic dynamics depend on network structure is necessary. Many real-world complex systems can be described as multilayer structures. In this paper, we introduce the idea of layers to establish a traffic model of two-layer complex networks. By comparing different two-layer complex networks based on random and scale-free networks, we find that the physical layer is much more important to the network capacity of two-layer complex networks than the logical layer. Two-layer complex networks with a homogeneous physical topology are found to be more tolerant to congestion. Moreover, simulation results show that the heterogeneity of logical and physical topologies makes the packet-delivery process of two-layer networks more efficient in the free-flow state, without the occurrence of traffic congestion.

Keywords: Layered complex network; Random network; Scale-free network; Network capacity (search for similar items in EconPapers)
Date: 2011
References: View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:12:p:2401-2407

DOI: 10.1016/j.physa.2011.02.002

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