IP-MPLS over WDM網(wǎng)絡(luò)綜合路由策略研究.pdf

1、r麓●竺，≯篝。。j》∞蠛g煮gg測l帚普童手抖毅先訾滿塌剝溺矧憋蔫瀚溯辮灞藉麴辮懣鰳懿黼蒙溺篡案誓鬻三篡塞綴提交論文日期二o。六年一月IPtechnologyoffershighflexibilityandintelligence，andWDMprovidesunprecedentedlevelsofbandwidthscalability，SOtheapplicationanddevelopmentofIPoverWDMisimpe

2、rativeDuetoitsexcellentfunctionssuch酷OoSandTEtogetherwithGMPLS’Spowerfulroutingandsignalingfunctionsandtheimplementationintheunifiedcontrolplane，MPLStechnologyisexpectedtobechosenastheadaptationlayerintheintegrationofIPa

3、ndWDM，andsuchnetworkiscalledIP／MPLSoverWDMnetworkAccordingtotheintegrationdifferenceofcontrolplane，IP／MPLSoverWDMnetworkisclassifiedasfollows：theoverlaymodelwithseparatedmutingschemeandthepeermodelwithintegratedroutingsc

4、hemeThepeermodelemploysaunifiedcontrolplane，SOitCanachievebetterresourceutilization，andwillbetheultimateaimofIP／MPLSoverWDMnetworkThus，inthispaper，integratedroutingpoliciesforthepeermodelwillbediscussedBasedonthelayeredg

5、raphmodelderivedfromthenetworkmodel，threeintegratedroutingpoliciesarecompared：MTAIOLFandLHLB(IzastHopandLDadBalancepolicy)Bycomparingtheloadbalanceparameterofeachpath，theLHLBpolicychoosesthepaththathasfewerhopsandmoreres

6、idualbandwidth，whichcandistributethewholetrafficloadwithinthenetworkevenlytoeachlink，SOithasbetterblockingperformanceThenthevirtuallinkselectionproblemthathowtoselectasuitablevirtuallinkbetweentwonodestouteI_SPiSdiscusse

7、d，andthreepoliciesarecomparedAtlast，bycomparingMTApolicyfortheintegratedroutingwithILFpolicyfortheseparatedrouting，itisprovedthattheintegratedroutingpoHcyhasbetterblockingperformanceandhigherutilizationofnetworkresources