| 中文摘要 |
Due to the characteristics of dynamics, mobility and virtualization in a distributed virtualized environment, vulnerabilities of systems are more likely to occur and rapidly propagate. This study divides the vulnerability into two categories according to the reliability level of nodes in distributed virtualized systems, and builds a vulnerability propagation model of distributed virtualized systems based on epidemic model. General expressions of vulnerability propagation are derived through model analysis. Finally, the stability of the model is verified by System Dynamics tools.
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