【摘要】 随着数据业务的迅猛发展,城域网承载主体正在发生深刻变化,城域多业务传送平台(MSTP)的出现延长了SDH的寿命,是“光发展低潮”中的亮点。本文结合新一代MSTP的关键技术,重点讨论了内嵌MPLS功能MSTP及其发展方向,另外对WDM与RPR技术在城域网应用也给予了充分讨论。更多还原

【Abstract】 There are being great changes in services of metro,this bring great challenges for metro optical transport network.MSTP enlarger the life of SDH and give a good solution for multi-services . In this paper we discuss the characteristic of metro network and its technology , such as WDM,RPR,especially give a detail analysis on MSTP embedded with MPLS function , some advises were given on how to building the network.更多还原