Control of epidemic spreading on complex networks by local traffic dynamics

Han-Xin Yang, Wen-Xu Wang, Ying-Cheng Lai, Yan-Bo Xie, Bing-Hong Wang

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Despite extensive work on traffic dynamics and epidemic spreading on complex networks, the interplay between these two types of dynamical processes has not received adequate attention. We study the effect of local-routing-based traffic dynamics on epidemic spreading. For the case of unbounded node-delivery capacity, where the traffic is free of congestion, we obtain analytic and numerical results indicating that the epidemic threshold can be maximized by an optimal routing protocol. This means that epidemic spreading can be effectively controlled by local traffic dynamics. For the case of bounded delivery capacity, numerical results and qualitative arguments suggest that traffic congestion can suppress epidemic spreading. Our results provide quantitative insight into the nontrivial role of traffic dynamics associated with a local-routing scheme in the epidemic spreading.

Original languageEnglish
Article number045101
Number of pages4
JournalPhysical Review. E, Statistical, Nonlinear and Soft Matter Physics
Volume84
Issue number4
DOIs
Publication statusPublished - 4 Oct 2011

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