“双响炮”是中国万网的双网站寄放镜像服务器的俗称,其内涵为双虚拟主机镜像服务器,用户在中国、美国各有一套网络系统(虚拟主机),分別以高速连接到当地的Internet主干网上。它们解决了无论一个美国站点还是一个中国站点都无法兼顾的矛盾,即国內、国外用户访问速度上的矛盾。 Web镜像服务器原理及特点为:用户拥有两台网站寄放,分别位于中国和美国的Internet骨干网上,并且两台网站寄放配置相同;两台主机可以在相同的域名下,各自拥有自己的主机名可以各自拥有不同的域名,如国内主机名为www.company.com.on,美国镜像主机名为www.company.com;用户只需将文件上传至国 “Double-click gun” is a common name for China’s dual-web site hosting mirror server. Its connotation is dual virtual host mirror server. Users in China and the United States each have a set of network system (virtual host) connected to the local Internet backbone Online. They solve the contradiction that neither a US site nor a Chinese site can take care of, that is, the contradiction between the speed of domestic and foreign user visits. The principle and characteristics of the Web mirror server are as follows: The user has two websites that are placed on the Internet backbone network in China and the United States, and the two websites have the same configuration; the two hosts can have their own host names under the same domain name Each has a different domain name, such as the domestic host name www.company.com.on, the United States mirror host name www.company.com; users simply upload files to the country