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电子贸易已在ＩＮＴＥＲＮＥＴ上迅速地发展起来。然而ＩＮＴＥＲＮＥＴ灵活、松散的体系结构使它难以满足电子贸易对于安全性的要求。电子贸易对计算机网络的安全性要求源于传统的商业事务处理，主要包括机密性、完整性、身份鉴别、授权、记费、担保和保密，但是实现方法与传统的商务完全不同。本文讨论了ＩＮＴＥＲＮＥＴ网络安全的各种实现方法以及它们的优缺点。最后分析了实现网络安全所面临的问题以及发展现状。
Electronic commerce has been rapidly developed on the Internet. However, INTERNET’s flexible and loose architecture makes it difficult to meet the security requirements of e-commerce. E-commerce security requirements for computer networks stem from traditional business transactions, including confidentiality, integrity, identity authentication, authorization, accounting, guarantee and confidentiality, but the method of implementation is completely different from the traditional business. This article discusses various implementations of INTERNET network security and their advantages and disadvantages. Finally, it analyzes the problems and the current situation of network security.