National Critical Infrastructure Modeling and Analysis Based on Complex System Theory

National critical infrastructure is a typical complex system with the characteristics of self-organized criticality. In this paper, we firstly analyze the basic concepts of national critical infrastructure and the associated complex system characteristics, and then construct the model of national critical infrastructure based on complex system theory. This model abstracts the nodes of national critical infrastructure network and their connectivity relationships, and supports the measurements of national critical infrastructure's attributes, therefore reflects the dynamics of national critical infrastructure. The occurrence and propagation mechanism of national critical infrastructure's cascade failure behavior is analyzed based on this model, which preliminary validates effectiveness of the proposed model.