In order to implement real-time video querying in an Ethernet digital video monitoring system based on H.263 protocol, a set of data-packet format was designed based on UDP (User Datagram Protocol), which assures the reliability of the system.

• 在一种基于H.；263协议的以太网数字视频监控系统中；为实现实时视频查询；设计了一套基于用户数据报协议的数据包格式；保证了上层应用程序的可靠性