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1、摘要摘要自九十年代起,為適應(yīng)當(dāng)時(shí)語(yǔ)音業(yè)務(wù)發(fā)展,寧夏電信逐步建成了相對(duì)健全的基于SONET/SDH體系的傳輸網(wǎng)絡(luò)。近年來(lái)隨著寧夏電信各類(lèi)數(shù)據(jù)業(yè)務(wù)的增長(zhǎng),基于語(yǔ)音業(yè)務(wù)的SDH/SONET傳輸網(wǎng)絡(luò),已不能適應(yīng)快速發(fā)展的數(shù)據(jù)業(yè)務(wù)傳送需求。如何保證在傳送傳統(tǒng)TDM業(yè)務(wù)的同時(shí),有效傳輸各類(lèi)數(shù)據(jù)業(yè)務(wù),成為寧夏電信現(xiàn)有傳輸網(wǎng)絡(luò)需要迫切解決的問(wèn)題。MSTP技術(shù)是基于SONET/SDH體系傳輸網(wǎng)絡(luò)改造的有效技術(shù)方法和途徑。MSTP將傳統(tǒng)的SDH復(fù)用器、數(shù)字交叉連接器、WDM終端、ATM交換機(jī)、網(wǎng)絡(luò)第二層交換機(jī)和IP邊緣路由器等多個(gè)獨(dú)立設(shè)備的功能融合在一起,進(jìn)行統(tǒng)一控制和管理。M
2、STP可以利用虛級(jí)聯(lián)技術(shù)、LCAS技術(shù)、RPR技術(shù)和MPLS技術(shù)來(lái)充分優(yōu)化網(wǎng)絡(luò),具有很強(qiáng)的實(shí)用性及靈活性,它甚至還允許升級(jí)到智能光網(wǎng)絡(luò),適用于寧夏電信傳輸網(wǎng)絡(luò)現(xiàn)狀及未來(lái)3G產(chǎn)業(yè)的進(jìn)一步發(fā)展。論文在詳細(xì)討論基于SDH的MSTP功能、結(jié)構(gòu)及關(guān)鍵技術(shù)的基礎(chǔ)上,做為項(xiàng)目主要設(shè)計(jì)人及分項(xiàng)負(fù)責(zé)人,主要進(jìn)行了寧夏MSTP傳輸網(wǎng)改造工程的規(guī)劃、方案設(shè)計(jì)、建設(shè)實(shí)施。給出了寧夏電信MSTP傳輸網(wǎng)絡(luò)建設(shè)的設(shè)計(jì)方案。實(shí)施過(guò)程中,完成了設(shè)備改造和建設(shè)方案的組織實(shí)施,解決了網(wǎng)絡(luò)改造過(guò)程中多協(xié)議轉(zhuǎn)換、級(jí)聯(lián)技術(shù)問(wèn)題,進(jìn)行了網(wǎng)絡(luò)管理配置,給出了RPR技術(shù)與MLPS對(duì)接過(guò)程中若干問(wèn)題的解決方法
3、。進(jìn)行了網(wǎng)絡(luò)的調(diào)測(cè)和驗(yàn)收。經(jīng)過(guò)網(wǎng)絡(luò)運(yùn)行測(cè)試和承載業(yè)務(wù)運(yùn)行,測(cè)試數(shù)據(jù)表明網(wǎng)絡(luò)運(yùn)行穩(wěn)定可靠,承載的數(shù)據(jù)業(yè)務(wù)運(yùn)行效果良好,數(shù)據(jù)業(yè)務(wù)量發(fā)展迅速,網(wǎng)絡(luò)資源得到充分利用,實(shí)現(xiàn)了網(wǎng)絡(luò)優(yōu)化目標(biāo),很好的達(dá)到了設(shè)計(jì)要求?!娟P(guān)鍵詞】SDH,MSTP,相鄰級(jí)聯(lián),虛級(jí)聯(lián),LCAS,GFP,PDH,MPLS【論文類(lèi)型】應(yīng)用研究AbstractSubject:CreatingthetransmissionplatformfortheSDHmulti-servicesusingtheMSTPtechnologyMajor:ComputerTechnology3摘要Inordertoadap
4、tthegrowthofvoiceservice,NingxiaTelecommunicationhasgraduallysetupalmostcompletetransmissionnetworkbasedonSONET/SDHfrom1990’s.DuetotheincreasinggrowthofallkindsofdataseriveofNingxiaTelecommunication,thetransmissionnetworkbasedonSONET/SDHhasnotadaptedtherequirementofthefastgrowthofd
5、ataservice.HowtotransmiteffectivelythesekindsofdataserviceandguaranteethequalityoftraditionalTDMservicehasbecometheurgentproblemforNingxiaTelecommunicationtosolve.MSTPtechnologyisaneffectivemethodwaytoupgradethetransmissionnetworkbasedonSONET/SDH.MSTPintegratesthetraditionalSDHmult
6、iplexer,digitalcrossingswitch,WDMterminal,ATMswitch,switchonsecondnetworklayer,IPborderrouterandotherindependentequipments,controlandmanagetheminunifiedway.MSTPhasthecapabilityofoptimizingnetworksufficientlybyusingvirtualconnection,LCAS,RPRandMPLS,verypracticalandflexible.Itevenall
7、owstheupgradetointelligentopticalnetworks,whichmeetthedemandofthefuturedevelopmentofNingxiaTelecommunication.Thefunctionality,structureandkeytechnologyofSDHandMSTPisdiscussedindetails.Asthemaindesignerandsub-programdirector,theauthorofthispapartookpartintheplanning,designandimpleme
8、ntationoftheupgradeproject