China Mobile: The world's first 400G all-optical interprovincial backbone network is officially commercialized

According to news on March 8, China Mobile held a press conference in Beijing today, announcing that the world's first 400G all-optical interprovincial backbone network independently developed by China Mobile will be officially commercialized in March this year. This commercial use is a network connecting Beijing, Hebei and Inner Mongolia. China Mobile also stated that it will fully realize high-speed interconnection among the eight major hubs of "East and West" by the middle of the year. By then, China Mobile will become the world's largest and most extensive 400G all-optical inter-provincial backbone network operator. 400G all-optical interprovincial backbone network is a long-distance optical signal transmission network equipment that can connect 8 major "Beijing-Tianjin-Hebei, Yangtze River Delta, Guangdong-Hong Kong-Macao Greater Bay Area, Chengdu-Chongqing, Inner Mongolia, Guizhou, Gansu, and Ningxia" The national hub cluster of "counting from the east to the west". Compared with the previous generation trunk network, the transmission bandwidth of the 400G all-optical interprovincial backbone network will be increased by 4 times, the network capacity will exceed 30PB (1024*1024G), the inter-hub latency will be less than 20ms, and the latency of key active links will be The reduction rate reaches 20%, the security capabilities are comprehensively upgraded, the energy consumption per bit is reduced by 65%, and the cost per bit is reduced by 20%. The inquiry learned that six departments including the Ministry of Industry and Information Technology jointly issued the "Action Plan for High-Quality Development of Computing Infrastructure" in October last year, emphasizing the need to accelerate the research and development and deployment of 400G/800G high-speed optical transmission networks.

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