The research is the first to propose the concept of building a self-monitored security system in railway operation and has led to the construction of emergency preparedness systems of “security based defense system”, “security management system”, “emergency response system” and “network trust system”. It contributes to the building of railway ticket network management system with high reliability and high security, which has successfully fended off cyber-attack from unknown sources and is regarded as the pioneer of the SDN technology system.
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