Experiences and future perspective of China Telecom on optical access networks

As the largest FTTx operator in the world, China Telecom faced with technical and engineering issues during FTTx deployment and operation. In the paper, China Telecom's experience and technical innovation on FTTx networks were given. Moreover, China Telecom's vision on future FTTH network, including PON technology upgrade, software-defined access networks and central office re-architecture as edge DC, were presented.