At the beginning of this article , we discuss system design background and whole article ' s frame . we study terminal / mainframe , client / server , browser / server model and summarize their advantages and disadvantages . browser / server is better than client / server , and it does n ' t depend on operating system and hardware , and client on browser / server model is n ' t too " fat " , for this reason student it is browser / server that ssms adopt the mode 比较结果表明,浏览器/服务器模式继承了客户机/服务器模式的优点并克服了它的缺点,不受操作系统和硬件的制约,而且能防止“胖客户机”现象的发生,比较容易实现不同网络间的连接,浏览器/服务器模式是目前广泛使用的主体结构。
