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Spreading behavior of SIS model with non-uniform transmission on scale-free networks

The Journal of China Universities of Posts and Telecommunications 2009年第1期16卷 27-31页

作者： XIA Cheng-yi LIU Zhong-xin CHEN Zeng-qiang YUAN Zhu-zhi Department of Automation Nankai University Tianjin 300071 China Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology Tianjin University of Teclmology Tianjin 300191 China

The non-uniform transmission and network topological structure are combined to investigate the spreading behavior of susceptible-infected-susceptible （SIS） epidemic model. Based on the mean-field theory, the analytical and numerical results indicate that the epidemic threshold is correlated with the topology of underlying networks, as well as the disease transmission mechanism. These discoveries can greatly help us to further understand the virus propagation on communication networks.

关键词： spreading behavior SIS non-uniform transmission scale-free networks virus propagation

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An Efficient patch dissemination strategy for mobile phone networks

An Efficient patch dissemination strategy for mobile phone n...

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第十一届全国博士生学术年会——信息技术与安全专题

作者： Dawei Zhao Haipeng Peng Lixiang Li Yixian Yang Shudong Li Information Security Center State Key Laboratory of Networking and Switching TechnologyBeijing University of Posts and Telecommunications National Engineering Laboratory for Disaster Backup and Recovery Beijing Universityof Posts and Telecommunications College of Mathematics Shandong Institute of Business and Technology

Mobile phones and personal digital assistants are becoming increasingly important in our daily life since they enable us to access a large variety of ubiquitous *** networks,formed by the connection of mobile devices following some relationships among mobile users,provide good platforms for mobile virus *** and efficient security patch dissemination strategy is necessary for the update of antivirus software so that it can detect mobile virus,especially the new virus under the wireless mobile network environment with limited bandwidth which is also large-scale,decentralized,dynamically evolving,and of unknown network *** this paper,we propose an efficient semi autonomy-oriented computing（SAOC）-based patch dissemination strategy to restrain the mobile *** this strategy,some entities are deployed in a mobile network to search for mobile devices according to some specific rules and with the assistance of a *** experiments involving both real-world networks and dynamically-evolving networks,we demonstrate that the proposed strategy can effectively send security patches to as many mobile devices as possible at a considerable speed and lower cost in the mobile *** is a reasonable,effective and secure method to reduce the damages mobile viruses may cause.

关键词： Mobile network virus propagation Patch dissemination Semi autonomy-oriented computing

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