Abstract
In wireless sensor networks, network security against virus propagation is one of the challenges with the applications. In severe cases, the network system may become paralyzed. In order to study the process of virus propagation in wireless sensor networks with the media access control mechanism, this paper uses the susceptible-infectious-removed (SIR) model to analyze the spreading process. It provides a theoretical basis for the development of virus immune mechanisms to solve network virus attack hidden dangers. The research shows that the media access control (MAC) mechanism in the wireless sensor network can inhibit the process of virus propagation, reduce the network virus propagating speed, and decrease the scale of infected nodes. The listen/sleep duty cycle of this mechanism will affect the suppression effect of virus propagation. The smaller the listen/sleep duty cycle, the stronger the suppression effect. Energy consumption has a peak value under specific infection probability. Meanwhile, it is also found that the spreading scale of the virus in wireless sensor networks can be effectively inhibited by the MAC mechanism.
Highlights
Viruses and cyber-attacks frequently exposed to computer networks have caused significant losses to human society
We considered the effect of the media access control (MAC) mechanism on the virus infection process in wireless sensor networks. e research results reveal the pattern of virus propagation in wireless sensor networks, which can provide a basis for improving the security of wireless sensor networks
Aiming at the characteristics of wireless sensor networks with space constraints and the MAC communication mechanism, we explore the virus propagation process wireless sensor networks by using the SIR model. e analysis of the mathematical model of virus propagation shows that the number of active nodes, the probability of virus infection, the average node degree, the communication radius of the nodes, and the listen/sleep duty cycle of the MAC mechanism will affect the virus propagation in the wireless sensor network
Summary
Viruses and cyber-attacks frequently exposed to computer networks have caused significant losses to human society. Ere are many existing pieces of research on the dynamic process of virus propagation in wireless sensor networks. We intend to study the virus propagation process in the wireless sensor networks by using the susceptible-infectious-removed (SIR) propagation model. We mainly consider the influence of the media access control (MAC) mechanism on virus propagation in wireless sensor networks with uniform random distribution and limited communication capacity. E research results reveal the pattern of virus propagation in wireless sensor networks, which can provide a basis for improving the security of wireless sensor networks. E rest of this paper is structured as follows: Section 2 introduces the current research on virus propagation in wireless sensor networks and the basic principle of the influence of MAC mechanism on virus propagation in wireless sensor networks.
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