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There has been an increasing amount of interest in modeling virus propagation in recent years.However,the group-based infection mechanism of computer viruses is not well understood and the selection of infection function in virus propagation modeling has not been well studied.This paper describes a point-to-group(P2G) infection mode to describe virus propagation in networks with information sharing groups.Simulations compare the constant infection and I-type infection functions with the new E-type infection function in the small-world-network environment.The simulation results show that the E-type infection function shows superior performances to that of the traditional I-type infection function in modeling the P2G virus infection mechanism and the I-type infection function shows better performance in modeling the random infection mechanism.
There has been an increasing amount of interest in modeling virus propagation in recent years. Home, the group-based infection mechanism of computer viruses is not well understood and the selection of infection function in virus propagation modeling has not been well studied. This paper describes a point-to-group (P2G) infection mode to describe virus propagation in networks with information sharing groups. Simulations compare the constant infection and I-type infection functions with the new E-type infection function in the small-world-network environment. The simulation results show that the E-type infection function superior superior to that of the traditional I-type infection function in modeling the P2G virus infection mechanism and the I-type infection function shows better performance in modeling the random infection mechanism.