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OTN(光传送网,Optical Transport Network)主要以波分复用技术作为技术支持,是光层组织网络的传输网,现已成为了骨干传输网络。本文主要对长途传输网的现状,OTN技术在长途传输网中的应用和未来发展方向等方面进行分析。
OTN (Optical Transport Network) mainly uses wavelength division multiplexing as a technical support and is a transmission network of an optical layer organization network and has now become a backbone transmission network. This article mainly analyzes the current situation of long-distance transmission network, the application of OTN technology in long-distance transmission network and the future development direction.