Research on Extracting Method of Evaluation Index System for Telecom Data Network Based on ITU-T X.805

A set of indexes for evaluation is a basic requirement for carrying out the evaluation successfully to protect telecom data network. How to extract useful indexes is a main problem to solve in this paper. The ITU-T X.805 is the basis of the analysis. The general framework is combined with the structure of China telecom data network. Then through determining key assets of the evaluation objects and locating the assets, the index system can be obtained.