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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。
This article describes a private network and Internet interconnection simple way -NAT. When a private network is set up, you can use three private address blocks that IANA reserves for it to assign IP addresses to the hosts of its own network. To connect to an external network in the future, simply add a NAT between them, without Re-set up the entire network. The article also discusses the advantages and disadvantages of the NAT scheme.