1、西安電子科技大學(xué)碩士學(xué)位論文空間站交換單元調(diào)度算法及隊列管理的設(shè)計與實現(xiàn)姓名：張雅喬申請學(xué)位級別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：邱智亮20100101ABSTRACTAstheswitchingfabrichasasignificantimpactontheperfmanceoflocalareawkinspacestationitcannotonlyensureasystemwkintherightwaybutalsoreduce

2、hardwareresourcespoweraswellasincreasesystembwidththroughputeffectively.Sotheswitchingfabircoflocalareawkinspacestationisakeytechnologyinthesystemresearchdesignprocess.FtheethermaturityflexibilityinwkingaswellasQoSassura

3、ncehardredundancysupptedbyAFDXbasedontheresearchproject“ResearchimplementationofHighPerfmanceSwitchinSpaceStation”weproposeafeasiblewkswitchingfabricthatis2424threestageClos（6，4，6）switchingfabricinMSMmodewhichcanprovideb

4、othetherAFDXservices.FirstlytheconceptionsactersofswitchingetherrelatedknowledgewkingactersaboutAFDXareintroducedinthisthesis.ThentheprinciplesstepsofCRRDschedulingalgithminthreestageCloswkisdeeplyanalyzed.Secondlythegen

5、eraldesigndataprocessingflowsofswitchingfabricinspacestationareexplained.ThirdlythespecificdesignsofschedulingalgithmqueuemanagementinswitchingunitaredescribedinthenexttherealizationofCRRDschedulingalgithminpacketmode（CR

6、RDPM）basedontimeslotsharingmemyqueuemanagementwithDPRAMareparticulardescribed.SeveralkeymodulesinschedulingqueuemanagementsuchasRx_Central_SchedulerInput_SchedulerMatching_ModuleTx_Central_SchedulerOutput_SchedulerIn_Que

7、ue_ControllerOut_Queue_Controllerarepresentedimplementedinthethesis.FinallytherealizationsofschedulingalgithmqueuemanagementaresimulatedbyModelsim.Theanalyzingresultsprovethatthedesignisaccuratereasonablefeasibleasawhole