For the most frequently used UDP mode in power systems, we introduce the technique of ACK and time-out for the reliability and the mechanism of key distribution and start-up for the confidentiality and accuracv of transmission.

• 对电力系统大多数的用户数据报协议(UDP)实时数据传输,通过返回确认和超时技术保证传输的可靠性,采用密钥分发机制和密钥启动机制保证了传输的保密性和准确性。