Introduction
Initiated by China Mobile, the 400G Per Lane MSA has gathered core ecological partners across the Ethernet industry chain, including Alibaba, Tencent, Marvel, and other key players. It aims to address critical bandwidth bottlenecks in the AI data center sector and jointly advance the development and large-scale adoption of next-generation ultra-broadband Ethernet technologies. Guided by the tenet of win-win cooperation, it is committed to bringing together world-class expertise in chip design, materials science, and system architecture, formulating open and unified interface standards, and building a new ecosystem for next-generation data center interconnection.