S12 NGS系統(tǒng)寬帶部分軟件零中斷切換的研究與實(shí)現(xiàn).pdf

1、上海交通大學(xué)碩士學(xué)位論文S12NGS系統(tǒng)寬帶部分軟件零中斷切換的研究與實(shí)現(xiàn)姓名：王靜申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：計(jì)算機(jī)技術(shù)指導(dǎo)教師：夏雨人趙群200309012作了描述包括軟件構(gòu)成軟件離線(xiàn)配置表系統(tǒng)的文件系統(tǒng)系統(tǒng)的引導(dǎo)和裝載軟件初始化過(guò)程等作了簡(jiǎn)要說(shuō)明進(jìn)一步對(duì)軟件零中斷切換的技術(shù)要點(diǎn)進(jìn)行分析研究和設(shè)計(jì)分析零中斷切換的實(shí)現(xiàn)流程及主要模塊工作過(guò)程并給出失敗后倒回等各種情況的說(shuō)明.關(guān)鍵詞交換系統(tǒng)軟件零中斷切換StudyandImplementat

2、ionofBroadbandsideSoftwareZerolnterruptSwitchinginS12NGSSystemABSTRACTTheS12NGSsystemofAlcatelShanghaiBellisaintegrationswitchplatfmwhichisintegratingSDHATMtechnologyevolutingfromnarrowbservicetobroadbservice.Contracting

3、withnarrowbS12systemwhichiscircuitswitchingsupptingvoicethenewS12NGSsystemcanprovidemultimediainteraccessATMswitchingIPoverSDHIPoverATM.Asaruletheexchangewhichprovidetelecommunicationservicefthecustomertakesalotofmeasure

4、sagainsttheappearanceofthefaultproliferatingofthefault.Withthedevelopmentofcomputertelecommunicationthecustomerhasmemerequirementofsystemservicesperfms.Zerointerruptswitchingtheextensionofthehardwarecanmakeserviceprovide

5、rhasnonewinvestmentnointerruptionofthetraffic.AsmentionedabovewehaveaS12NGSzerointerruptswitchingprojectwestudytheinterfacesinvolvedintheprojecttherelationshiptotheothersoftwaremodulesdoingdetaildesigncodingtest.Themainc

6、ontributionofthispaperincludes:1.ObviouslythepreliminaryknowledgeofS12NGSsystemarchitectureprincipleisamusttounderstthefollowingdeionofzerointerruptsoftwareswitchingrealizationstrategy.Thispapergivesanoverviewofthesystem

7、especiallytheMPSRrelatedHWboardssuchasSLKSBCEABCETLKetc.Theirfunctionalityprinciplesaregivenffurtherundersting.2.ZerointerruptsoftwareswitchingSoftwareStructureanalysisdesignThispartgoesfurtheraboutthesoftwaredesigndescr