信息的集成和分析处理是现代控制系统中最为关键的问题之一。在庞大、综合的控制系统中,源源不断的信息流就像养分,需要选择如血液一样优良的载体来运营。随着互联网使用的普及,以太网的传输速率和交换技术迅速提升;同时,针对以太网技术,国际上已经制定了一系列的规范和标准,为 The integration and analysis of information is one of the most critical issues in modern control systems. In a large, integrated control system, an endless flow of information is like nutrients and needs to be chosen as an excellent carrier of blood to operate. With the popularization of Internet usage, the transmission rate and switching technology of Ethernet are rapidly increasing. Meanwhile, aiming at Ethernet technology, a series of norms and standards have been formulated in the world