In the 5G era, new services are continuously mature and deployed on a large scale, and network service requirements are increasingly complicated. In this context, the deployment of beyond 100G OTN is inevitable. The beyond 100G network technology is booming, aiming for larger capacity and longer transmission distance to improve user experience. At the same time, more attention is paid to how to maintain networks and devices more conveniently and economically, improve the efficiency of network service transport and reduce OPEX.