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一、概述 随着应用需要的增长以及计算机技术、网络技术的发展,应用处理模式从以大型机为中心的集中处理结构向基于网络的客户机/服务器结构发展。在这种计算结构中,数据管理和应用分布在不同的计算机上,通过网络将二者连接起来。在网络上专门用于执行数据管理功能的节点就是服务器。 客户机/服务器结构的优点在于用户可以处于无处不在的计算环境,以不同的形式和不同的状态合理地使用系统资源;还可以发挥各种不同机器的特长,合理分配应用处理以获
I. Overview With the growth of application requirements and the development of computer technology and network technology, the application processing mode has evolved from the centralized processing structure centered on the mainframe to the network-based client / server structure. In this computing architecture, data management and applications are distributed across different computers, connecting the two over the network. The node dedicated to performing data management functions on the network is the server. The advantage of the client / server architecture is that users can be in a ubiquitous computing environment, using system resources in different forms and with different states, and can leverage the strengths of different machines to properly distribute application processing to