[Beijing: Improve the energy level of high-speed communication networks and plan ahead for future communication networks] On September 9, the Beijing Municipal People's Government issued the "Beijing Digital Economy Development Plan during the 15th Five-Year Plan Period." It pointed out that the energy level of high-speed communication networks should be improved. Build the world's leading "double 10G" city and achieve continuous coverage of 5G-A and 10G optical networks across the entire region. Promote the construction and operation of the new national (Beijing) Internet exchange center and create an all-optical backbone intelligent network. Promote the deployment of Beijing's quantum metropolitan area network and cover key scenarios such as core government areas on demand. Accelerate the upgrade of Internet Protocol version 6 (IPv6) for infrastructure such as fixed networks, mobile networks, and the Internet of Things, and fully support IPv6. Plan ahead for future communications networks. Build a low-orbit satellite Internet system, promote the deep integration of 5G, 6G (sixth generation mobile communications) and satellite communications, and create an integrated air, space and ground network. Promote the deployment of 6G trial networks and cultivate a full-chain industry of R&D, testing, and operation.