光纤通信系统技术的发展、挑战与机遇

光纤通信系统是现代互联网时代的核心支撑系统之一。首先概述了光纤通信系统关键技术的发展，并分析了其在蓬勃发展的云时代中的发展驱动力及在此驱动力下未来光纤通信系统面临的挑战与机遇。结合这些挑战与机遇，分别从光纤通信系统总体网络架构、骨干网络技术、城域网络技术、接入网络技术和基于软件定义网的新型光传送网络技术等多个方面，综合阐述光纤通信系统技术在云时代的演进发展趋势，以更有效地为未来互联网、数据中心互联、物联网、5G移动网络及智慧家居和智慧城市提供强有力的技术支撑。

Development,challenge and opportunity of optical fiber communication system technologies

Optical fiber communication system is one of the core supporting systems of the modern internet age.Firstly,major recent technological advances in optical fiber communication system were summarized.Then,the driving forces for its future development in the emerging cloud era,the future challenges and opportunities that it faced were analyzed.With the consideration of these challenges and opportunities,the future evolution paths in key areas such as optical fiber communication system overall network architectures,core network technologies,metro network technologies,access network technologiesand novel software-defined optical transport network technologies in the upcoming cloud erawere described,aiming to support future generations of internet,data center interconnect,internet of things and 5G mobile network,as well as the smart home and smart city initiativesmore effectively.