Design and implementation of communication server on highway toll connection system
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摘要: 高速公路收费系统通信服务器是高速公路收费系统数据传输的枢纽.重点介绍了高速公路收费系统通信服务器软件的设计、实现方法和特点.通信服务器使用按优先级分发报文的通信协议,支持多用户的并发通信.为了实现数据共享的集中控制,通信服务器采用客户/服务器的模式.使用多线程的编程技术,满足了对通信服务器实时性的要求.目前,该软件已通过了验收,在广深高速公路上运行良好.Abstract: Communication server on highway toll connection system is the center of data transmission. The design, realization and characteristics of communication server were introduced. Based on designed protocol support packets priority, communication server exchanges data concurrently with end-users. Client/Server model was utilized to meet the need of centralized control of sharing data. Multithread programming technique was used to fulfill requirement of real-time. The system works satisfactorily at Guangzhou-Shenzhen highway.
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