Progress of ITU-T higher speed passive optical network (50G-PON) standardization

This paper reviews the key factors in the discussion and selection process before the launch of the higher speed passive optical network (PON) standards project in the Full Service Access Network and ITU-T SG15/Q2. It reviews the requirements for such a system and the progress of the related ITU-T standards documents. The key technologies necessary for the physical and protocol layers of the 50G-PON are also discussed.