摘要： 文中介绍一种私有网络与Internet互连的简单方式－NAT。私有网络在组建时，可以使用IANA为其保留的3个私有地址块来为自己网络的主机分配IP地址，以后若要与外部网络连接，只需在它们之间加上一个NAT即可，无须对整个网络重新进行配立。文章还讨论了NAT方案的优缺点。

关键词: 网络地址翻译器, 私有网络, 因特网, 企业网

Abstract: This document provides a simple method-NAT, for private networks to Connet to the Internet.The Internet Assigned Numbers Authority has reserved three blocks of the IP address for private networks.An enterprise that decides to use them can do so without any coordination with IANA or an Internet registry.Only a NAT will be added between the Internet and the private network, when the enterprise wants to access external networks, without recondguring its internal network.Additionally, the advantager and disadvantages of NAT are provided.

中图分类号: 

• TN915