A brief introduction to CN2 and various telecommunications lines

I have never quite understood the issue of routes to go abroad. I accidentally saw this introduction and collected it. If there are any mistakes, I will continue to correct them.

GIS in English is Global Internet Services, which means international network services. It is the name of a service provided by China Telecom for international networks.

GIA in English is Global Internet Access, which is a product of the GIS above. It mainly provides high-quality networks to enterprises. It takes the CN2 (AS4809) international network and provides high-speed and stable international network links to the mainland China network.

CA in English is China Access, which is a product of the above GIS. It is mainly provided to global ISPs and ICPs to connect China, including a service for other network operators in mainland China. It uses ChinaNet (AS4134) (is this CN1? ?)

GT in English is Global Transit, which is a product of the above GIS. As long as it is provided to global communication operators, it is a service directly connected to China Telecom CN2 (AS4809).

The full name of Paid Peer is ChinaNet Paid-peer, which is a product of the GIS above. It is mainly provided to global communication operators, using ChinaNet (AS4134)

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