They are 3 main cable goes out of China link us to the rest of the world internet.
- SEA-ME-WE 3
- APCN 2
The CUCN is the most important fiber cable of them all.
CNCU start from ChongMing island of Shanghai, can carry total network capacity 2.2Tbps, 30000km, this line has 4 pairs of fibers with 8 ways of fiber tunnel each one is 2.5 Gb/s, in Service from 1999.
There are 9 Landing Stations:
Okinawa (NTT Worldwide Network Corp.)
Chongming (China Telecom)
Shantou (China Telecom)
Pusan (Korean Telecom)
Fangshan (Chunghwa Telecom)
San Luis Obispo (AT&T)