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近年来技术的迅猛发展使光通信网络不断地向更复杂的网络结构演进.鉴于对今后网络的发展和关键技术有许多不同的看法和建议,文章从光段的开销、光数据网、光分插复用器(OADM)和光交叉连接(OXC)设备以及光层保护与恢复等几方面讨论了光网络的发展趋势、所面临的问题和解决方案.
In recent years, the rapid development of technology has led to the continuous evolution of optical communication networks to more complex network structures. In view of the many different views and suggestions on the future development of networks and key technologies, the paper analyzes the cost of optical networks, optical data networks, (OADM) and optical cross-connect (OXC) equipment and optical layer protection and recovery aspects discussed the development trend of the optical network, the problems and solutions.