光纤通信传送网承载业务分析(英文)

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1、OpticalfibercommunicationtransmissionnetworkcarryingbusinessanalysiFengG，YingWSchoolofInformationEngineering,WUT，Wuhan430070,ChinaE-mail:fcngg163@163.comAbstract：DescribesthecurrentstatusofOpticalFibercommunicationtransmissionnetwork,byintroducingthetechnicalfeaturesandfunction

2、ofAutomaticallySwitchedOpticalNetwork(ASON)，analyzingthecharacteristicsofASONnetworkcarryingbusinessanditsdevelopmenttrend.Keywords:OpticalFibercommunications,ASON;CLCNumber:TN913Code:AIntroductionOpticalfibercommunicationshasdevelopedrapidlybecauseoflowlossJargetransmissionban

3、doftolerance,smallsize，lightweight，resistancetoelectromagneticinterference，crosstalkandotheradvantages.FromtheSDH(SynchronousDigitalHierarchy)tothedevelopmentofDWDM(DenseWavelengthDivisionMultiplexing)，large-capacitydensewavelengthdivisionmultiplexingtechnologywhichenabletherap

4、iddevelopmentofthecapacityofopticalfiberhasbeenmorethoroughlyexploreandsolvenetworkproblemstransmissioncapacitybetweennodes.However，thenetworknodebottlenecksstillveryprominent.Withthecommercializationofavarietyofopticaltransportnetworktechnology，manymajorcarriersareexploringthe

5、introductionofopticaltransportnetworktechnologyissues.ThecarryingbusinessanalysisispresentedbasedonASONtransportnetworksfromtheperspectiveofcarryingbusinessandthecharacteristicsofASONtransportnetworks.OpticalTransportNetworkTechnologyIntheprocessofdevelopmentnearly30years，thedo

6、mesticsingle-wavetransmissionequipmentdevelopedfromthePDHin70softhe20thcenturytotheSDHin90s，andlaterMSTPproductswerelaunchedtomeettheMANIPbusiness.Sincethen，withtheintelligentnetworkcapabilitiesanddemandfornetworkupgrade,theASONdevicebasedonMSTPwaslaunched.Themulti-waveopticalt

7、ransmissionsystemsalsodevelopmentrapidly，theratefromearly2.5GtoI0G，thechannelwavelengthsfrom8to160ormore.Today,theuseofDWDMtechnologyhasbeenalotoftrunkintothemetropolitanarea，thenetworkflexibilityandoperationalreliabilityhasalsobeencarryingagreatimprovement121.Afterseveralyears

8、ofdevelopment，opticaltransmissiontechnologyhasaveryper