混合式光網(wǎng)絡(luò)的優(yōu)化設(shè)計(jì)研究.pdf

1、≯、79u8n”UDC4：攔愛鞣盤東南碩士學(xué)大學(xué)位論文混合式光網(wǎng)絡(luò)的優(yōu)化設(shè)計(jì)研究研究生姓名：—皿型導(dǎo)帥姓名：堂盟德熬攫申請掌位擻別—二￡蘭匝學(xué)科專業(yè)名稱撞堡皇王堂論史提空口期2堂圭!縣丑日論文答辯日期2Q塑生3且塑旦學(xué)位授予電位一盔審右雯學(xué)位授千日期■Q圭旦目粹辯委日會席孫，】：函’評目人———～Abs訂actAbstractWavelengthDivisionMultiplex(WDM)basedopticaltransportnet

2、workisnowwidelyappliedtomeettheneedofenormouscommunicationcapacityIPoverWDMopticaltransportnetworkistheevolvingtrendofnextgenerationopticalnetworkAtpresenttherearetwoimportantarchitecturesofopticalnetwork：ringandmeshwith

3、theevolvinggoalofFullOpticalmeshnetworkAnimportantissueishowtobringringtomeshandtakefullUSeoftheiradvantagesThispaperfocusesonoptimaldesignofhybridopticalnetworkAfterabriefreviewofopticalnetworkdevelopmentsandabriefintro

4、ductionofopticalnetworkanalyticalfundaments，twokindsofmulti—ringCoverstrategy—pumringcoverandpcyclecoverwhichcombinesimplestructure，fastrestorationinringnetworkandhighcapacityefficiencyinmeshnetwork，willbepresentedandstu

5、diedindetailFirstlyapureringcovermodelbasedongeneticalgodthmissetupinthispaperAnditsobjectfunctionisminimizingnetworkcostFinalresultsincluderingcovermode，routingandcapacityallocationTheastringencyofalgorithm，computingtim

6、e，minimumcostandredundancyareanalyzedunderfourdifferentworkconditionsfortwodifferentnetworktopologiesCERNETandEONTheresultssuggestthatsmallerringsaremoreeasilybuiltThecomputingtimeandminimumnetworkcostwillincreasewiththe

7、restrictconditionsTheresultssuggestthatthedesignismuchsuitedfortheopticalnetworkneedforhighersurvivabilityThen，thispapersetupapcycleringcovermodel，theobjectofwhichistominimizethesparecapacitycostbasedongeneticalgorithmFi

8、nalresultsdescribetheastringencyofalgorithm，computingtimetotalsparecapacitycostandredundancyThesimulationresultssuggestthatbiggerringsmeasilybuiltandtheirredundancyexistsbetweenring’sandmesh’sThedesignearlrealizefastrest