otn在电力骨干传输网应用中的关键技术分析

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1、华北电力大学硕士学位论文AbstrcatWiththeexplosivegrowthofcarryingtraffic,theexpandingofnetworkscaleandthedevelopingofsmartgridinelectricpowerbackbonetransmissionnetwork,itputsnewrequirementsthatlargeparticleandhighbandwidthtofiberresources.However,becauseofthelowertransmissionbandw

2、idthofSDHwhichiswelladoptedbybackbonetransmissionnetworknowadays,itbecomesthebottlenecklimitingthedevelopment.WDMisalsocriticizedbecauseofinflexibleinnetworking.BuildingbackbonetransmissionnetworkwithOTNtocoverthestategridwillbringnewprospectsfortheelectricpowerbackbon

3、etransmissionnetwork.OTNcanincreasethebandwidthandaddfeaturestothetransmissionnetwork.OwingtotheOTNnetworkcarryinglargeamountsofinformation,oncetheinterruptofcommunicationprocess,itwillbringhugeeconomiclossesandserioussocialimpact.Thusthenetworksurvivabilityissuesbecom

4、eincreasinglyprominent.ThisarticlebrieflyintroducestheOTNconceptandthendescribestheprotectionandrecoverytechniquesofnetworksurvivabilityfromtheperspectiveofthenetworktopology.Consideringthedevelopmenttrendofelectricpowerbackbonetransmissionnetwork,thispaperresearchthes

5、urvivabilityoflarge-capacitymeshnetwork.Itfocusesonthepre-ring(P-cycle)protectionalgorithm.ItintroducesevaluationcriteriaoftheP-cyclealgorithmandthetwomainproblemsthosearefindingcyclesandcapacityassignment.Thenthispaperputsforwardanalgorithmwhichisimprovedthecapacitate

6、diterativedesignalgorithm(CIDA).TakingintoaccountthatOTNmustcoexistwithexistingnetworkssuchasSDHinitially,thisarticlealsopresentsP-cycledesignformixed-linerate(MLR)opticalnetworks.Inthispaper,itprogramsandsimulatestheimprovedalgorithmandMLRP-cyclealgorithmthoughMATLABa

7、ndcontrastswithCIDA.Wecandrawaconclusionthatthesealgorithmswhichcanreducethenumberofp-cyclesandimproveresourceutilizationarebetterthantheexistingalgorithms.Keywords:electricpowerbackbonetransmissionnetwork；OTN；networksurvivablity；P-cyclealgorithmII华北电力大学硕士学位论文目录摘要.....

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