This paper gives an update on technologies discussed during three OFC events, called 'The Connected OFCity Challenge', from 2016 to 2018. It focuses on research development and field deployment of Passive Optical Networks and Cloud-Based technologies.

翻译：本文件介绍了2016年至2018年三个名为“连通的外部城市挑战”的场外公司活动期间讨论的最新技术情况,重点是被动光学网络和云基技术的研究开发和实地部署。