随着 Internet 的迅速发展,基于 Web的数据访问已经非常普遍。许多典型企业希望在 Internet 上扩展传统的业务系统,如银行的柜台业务、铁路和航空售票系统等,以实现更好的客户服务,增强企业的竞争能力。但基于 Web 构造OLTP 应用有许多传统的基于客户机/服务器应用中不会遇到的问题,例如不可预知的用户数、安全控制等。Web 上的 OLTP 应用使用公共的开放网络,必须使用更加严格的安全控制,以便防止公共网络上容易出现的窃听、篡改和扮演等问题。由于公共网络面对的是无法预知的用户数,在某一时刻可 With the rapid development of the Internet, Web-based data access has become very common. Many typical enterprises want to extend the traditional business systems on the Internet, such as the bank’s counter business, railway and air ticketing system, in order to achieve better customer service and enhance the competitiveness of enterprises. However, web-based OLTP applications have many traditional client / server-based applications that do not encounter problems such as unpredictable number of users, security controls, and more. OLTP applications on the Web use a public, open network and must use stricter security controls to prevent problems such as eavesdropping, tampering and playing on the public network. Because public networks face an unpredictable number of users, at some point