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分析了城域传送网的结构和可以采用的技术,重点阐述了基于SDH的多业务传送平台(MSTP)、城域WDM环网技术、粗波分复用(CWDM)技术和弹性分组环(RPR)四种主要城域光传送网技术的功能及其主要特点,为运营商城域传送网的发展建设提供了多种技术手段。
The structure and technology of metro transport network are analyzed. The multi-service transport platform (MSTP) based on SDH, metro WDM ring network technology, CWDM technology and RPR ) The functions and main features of the four main metro optical transport network technologies provide a variety of technical means for the development and construction of an operator transport network in a metropolitan area.