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OTN(Optical Transport Network光传送网)技术综合了SDH和WDM的技术优势,广泛应用ROADM站点组网。阐述了OTN技术在高速公路应用策略,以及国家干线、省级骨干和本地接入三层网络,OTN网络为高速公路高清视频、信息化、一卡通、云计算等新兴业务提供千兆或万兆大宽带的传输通道。
OTN (Optical Transport Network Optical Transport Network) technology combines the technical advantages of SDH and WDM, widely used ROADM site networking. The application strategy of OTN technology in expressway and the three-layer network of national backbone, provincial backbone and local access are expounded. OTN network provides gigabit or 10Gb for emerging business such as expressway high-definition video, information, card and cloud computing Broadband transmission channel.