Based on analysis of the safety of the CTC system in DMIS network, the traffic control safety may be challenged due to network problem. A corresponding plan is proposed to shield the CTC system from network safety.

• 通过对DMIS系统中调度集中系统所面临的网络安全问题的分析 ,指出了由于网络安全所可能引起的行车安全问题并给出了防护方案。