毕业设计（论文)题目一种复杂SDH网络及其业务开放设计姓名周惠如学号2801010210专业班级通信工程所在学院电子信息学院指导教师（职称）何志红（副教授）二○一二年四月二十日一种复杂SDH网络及其业务开放设计【摘要】我们知道当今社会是信息社会，高度发达的信息社会要求通信网能提供多种多样的电信业务，通过通信网传输、交换、处理的信息量将不断增大传输系统是通信网的重要组成部分，传输系统的好坏直接制约着通信网的发展。当前世界各国大力发展的信息高速公路，其中一个重点就是组建大容量的传输光纤网络。SDH(SynchronousDigitalHierarchy，同步数字传输体系)是一种将复接、线路传输及交换功能融为一体、并由统一网管系统操作的综合信息传送网络，它可实现网络有效管理、实时业务监控、动态网络维护、不同厂商设备间的互通等多项功能，能大大提高网络资源利用率、降低管理及维护费用、实现灵活可靠和高效的网络运行与维护。本文主要设计了一种由14个网元组成的复杂SDH网络及其开放性业务配置，实现了SDH网络中链形、环形及环中有链、链中有环的复杂开放性业务配置。【关键词】同步数字体系(SDH)，传输，通信网DesignofaComplexSDHNetworkandItsBusinessService【Abstract】Asweknow,today'ssocietyistheinformationsociety.Highlydevelopedinformationsocietyrequiresthecommunicationnetworkoffersawiderangeoftelecommunicationsservices.Theamountofinformationwillcontinuetoincrease,whichistransmitted,exchanged,anddealtthroughthecommunicationnetwork.Thetransmissionsystemisanimportantpartofthecommunicationnetwork,anditsqualitydirectlyrestrictsthedevelopmentofcommunicationsnetwork.Allovertheworldpresentlydevelopingintheinformationsuperhighway,oneofthekeyistoformalargecapacityoftheopticalfibertransmissionnetwork.SDH(SynchronousDigitalHierarchy)isacomprehensiveinformationtransmissionnetwork,whichisintegratedfunctionsofmultiplexer,linetransmissionandexchange,andoperatedbytheunifiednetworkmanagementsystem.Itcanachievemanyfunctions,suchaseffectivenetworkmanagement,real-timebusinessmonitoring,dynamicnetworkmaintenance,differentvendors'interoperability,etc..Italsocangreatlyimprovethenetworkresourceutilization,reducethemanagementandmaintenancecosts,andachieveflexible,reliableandefficientnetworkoperationandmaintenance.Inthispaper,themainworkistodesignacomplexSDHnetworkanditsopeningbusinessconfiguration,whichisconsistingoffourteennetworkelementsandacomplextopologicalstructureincludingtheringandchaintypeofstructureinterwovenwitheachother.【KeyWords】SynchronousDigitalHierarchy(SDH)，Transmission，Communicationnetworks目录第1章绪论............................................................................................................................11.1SDH网络技术概述...................................................................................................11.1.1SDH网络技术的发展现状............................................................................11.2SDH网络技术特点...................................................................................................21.2.1SDH网络技术优点........................................................................................21.2.2SDH网络技术缺点........................................................................................3第2章SDH网络技术应用....................................................................................................42.1SDH网络的基本拓扑与组网应用...........................................................................42.1.1SDH网络基本拓扑结构.......................................
