Index correlation adjustment based on orthogonalization for network damage assessment

Existing network damage assessment method fall short because they either lack correlation adjustment among indexes or without conclusive evidence to demonstrated the degree does represent the real situation of the network. This paper proposed a method to adjustment index correlation based on Orthogonalization. The advantages of this method for evaluation damage degree of network have been demonstrated from two simulation experiments. One is damage degree comparisons in difference basic topologies. Another is worm propagation in campus topology. The results show that network suffered by distinct damage with the same packet creation rate and traffic generate model in different basic topologies. The worm propagation experiment has demonstrated that the method can reflected the dynamic process of network availability damage accurately and integrally.