(One of the most troublesome things about internet websites is that the interconnection of Telecom and Netcom is not connected. In order to enable users of northern Netcom and southern Telecom to quickly access the website, the solution is to host it in the double line computer room. There are two types of double line computer rooms. One is to realize interconnection through BGP technology. The server only needs one network card and one IP address. The computer room can make intelligent judgment on the route and select the appropriate route for access. This is very convenient for websites, such as the Nujiang computer room of Shanghai mobile, the self built computer room of Shanghai ground connect, and the computer room of science and technology network, but the BGP computer room generally has less bandwidth, If the traffic is higher, there may be no way. The other is the machine room with double lines and dual IP. The bandwidth may be higher, but the routing configuration is extremely complex, such as the Shibei machine room of Shanghai Telecom.)
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