1、PrefaceThe rapid development of artificial intelligence industry drives the explosivegrowth of various AI applications.As the critical infrastructure bridging end users andcomputingresources,metropolitanareanetworks(MANs)arenowfacingtransformative requirements in network architecture,functional capa

2、bilities,andservice paradigms.In 2024,China Telecom pioneered the industry-first computing service-orientedmetropolitan area network concept and released the computing service-orientedmetropolitan area network White paper,generating significant industry-wideattention and discourse.As a continuation,

3、this white paper provides in-depth analysisof metropolitan area network evolution in the AI era.This white paper first analyzesthe development landscape of artificial intelligence from the perspectives of industryadvancement and macro policies.Subsequently,it conducts an in-depth analysis of AIappli

4、cation requirements to define the essential network capabilities that metropolitanarea networks must possess.This white paper then examines the design objectives,elaborating on the overall architecture and key technologies of metropolitan areanetworks for the AI era.Finally,it provides technical sol

5、utions tailored for typicalscenarios.The following organizations and principal members contributed to the preparationof this whitepaper:China Telecom Research Institute:Yongqing Zhu,Zehua Hu,Xia Gong,ShizhangYuanZhongguancun Ultra Cross Connection New Infrastructure Industry InnovationAlliance:Bo Yu

6、anHuawei Technologies Co.Ltd.:Haobin Zhao,Jie Dong,Li ZhangZTE Corporation:Wenqiang Tao,Haidong Zhu,Xiaowei JiDirectoryCHAPTER I Development Trends ofArtificial Intelligence.11.1AI Industry enters a phase of accelerated growth.21.2AI is focal point of global industrial policies.41.3AI technology is