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1、ABSTRACTABSTRACTWiththerapiddevelopmentofcloudcomputing,virtualizationtechnologyasoneoftheimportanttechnologyalsoadvancingwiththetimes.Full-virtualization,para-virtualizationtechnologycannotsatisfyallscenariosinthecloudcomputingnowadays.Becausevirtualizationenviron
2、mentsbuildbythesetechniquestendtohavearelativelyindependentsystemresources,thisstrategycausedthatapplicationsindifferentvirtualmachinesisverydifficulttoachieveinteroperability,socontainer-basedvirtualizationtechnologyappeared.Containersolvedtheproblemoftheprocedure
3、independenceandresourcesharingperfectly.Andresourceschedulingisakeyproblemincloudcomputing,howtoachievetheefficientallocationofresources,howtodistributetheappropriatephysicalhostdynamicforyourvirtualmachineisalsoahotspotanddifficultyinthefieldofcloudcomputingresear
4、ch.DespitethelargevolumeofresearchpublishedonenergyefficientVMlivemigrationinclouddatacenters，thereareveryfewopen-sourcesoftwaresystemimplementingdynamicVMconsolidation.Sothecloudresourceschedulingbasedonapplicationofcontainerhasimportanttheoreticalandpracticalsign
5、ificance.Thisthesisincludesthefollowingmainworks.Firstly,itintroducedthemainstreamvirtualizationtechnology,includingfull-virtualization,para-virtualization,andalightweightvirtualizationtechnologybasedoncontainer,whichisappearedrecently(operatingsystemvirtualization
6、).Secondly,itstudiedthecommonlyusedsystemmigrationtechnology,includingphysicalhosttovirtualmachinemigration(p2v),virtualmachinestophysicalhostmigration(v2p),virtualmachinetovirtualmachinemigration(v2v).Thisthesisisfocusondynamicandstaticmigrationofvirtualmachinetov
7、irtualmachinemigration.Thirdly,itanalyzedaCfunctionlibrarylibvirt,whichsupportthemainstreamvirtualizationtoolsunderLinux.Fourth,itdesignedthegeneralframeworkofvirtualmachineschedulingsystem.Finallythethesisimplementedacloudresourceschedulingframeworksystembasedonco
8、ntainer.Thesystemhasthreecoremodels，decidingwhentotriggervirtualmachinemigration，selectingvirtualmachinetomigrate，selectinghosttoplacementvirtual
