Research on Logic Monitoring Method for Cloud Computing Based Safety Computer

Abstract With the development of railway construction in China, computing demand train control system is increasing day by day. The application cloud technology on rail transit signal has become a research hotspot recent years. How to improve safety and availability computer platform environment key problem when applying operation system. Since an open network environment, facing many security vulnerabilities malicious attacks, it necessary monitor programmes through edge nodes. Firstly, this paper encrypts logical monitoring method, then proposes secure defence model based dynamic heterogeneous redundancy structure. Then continuous time Markov chain (CTMC) used quantitatively solve stable probability system, influence different methods anti-attack performance analysed. Finally, experiment proves that structure composed encryption logic can guarantee safe more effectively.