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介绍了DWDM技术的发展和优点 ,以及DWDM在宽带城域网中的应用现状 ,分析了城域DWDM与骨干网DWDM的区别 ,城域网对DWDM的要求。最后阐述了DWDM技术在城域多业务提供平台 (MSPP)解决方案中的应用
The development and advantages of DWDM technology and the application status of DWDM in broadband metropolitan area network are introduced. The difference between metro DWDM and backbone network DWDM and metro DWDM requirements are analyzed. Finally, the application of DWDM technology in MSPP solution