As one of China’s most economically developed and internationalized regions, the Guangdong-Hong Kong-Macao Greater Bay Area has a complete industry system and is vigorously promoting the development of green and low-carbon network technologies. In recent years, Huawei and China Mobile Guangdong have jointly built an all-optical network cluster for the Greater Bay Area. The world’s largest green all-optical switching hub network is built based on continuous ICT innovation and aims to help thousands of industries enjoy advanced network...