Cloud Computing， Getting Started with.pdf

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1、#82CONTENTSINCLUDE:nAboutCloudComputingGettingStartedwithnUsageScenariosnUnderlyingConceptsnCostnDataTierTechnologiesCloudComputingnPlatformManagementandmore...ByDanielRubioVisitrefcardz.comalsominimizestheneedtomakedesignchangestosupportABOUTCLOUDCOMPUTIN

2、Gonetimeevents.WebapplicationshavealwaysbeendeployedonserversAutomatedgrowth&scalabletechnologiesconnectedtowhatisnowdeemedthe‘cloud’.Havingthecapabilitytosupportonetimeevents,cloudcomputingplatformsalsofacilitatethegradualgrowthcurvesHowever,thedemandsand

3、technologyusedonsuchserversfacedbywebapplications.haschangedsubstantiallyinrecentyears,especiallywiththeentranceofserviceproviderslikeAmazon,GoogleandLargescalegrowthscenariosinvolvingspecializedequipmentMicrosoft.(e.g.loadbalancersandclusters)areallbutabs

4、tractedawaybyrelyingonacloudcomputingplatform’stechnology.Thesecompanieshavelongdeployedwebapplicationsthatadaptandscaletolargeuserbases,makingthemInaddition,severalcloudcomputingplatformssupportdataknowledgeableinmanyaspectsrelatedtocloudcomputing.tiertec

5、hnologiesthatexceedtheprecedentsetbyRelationalDatabaseSystems(RDBMS):MapReduce,webserviceAPIs,ThisRefcardwillintroducetoyoutocloudcomputing,withanetc.SomeplatformssupportlargescaleRDBMSdeployments.emphasisontheseproviders,soyoucanbetterunderstandwhatitisac

6、loudcomputingplatformcanofferyourwebapplications.CLOUDCOMPUTINGPLATFORMSANDUNDERLYINGCONCEPTSUSAGESCENARIOSAmazonEC2:IndustrystandardsoftwareandvirtualizationPayonlywhatyouconsumeAmazon’scloudcomputingplatformisheavilybasedonWebapplicationdeploymentuntilaf

7、ewyearsagowassimilarindustrystandardsoftwareandvirtualizationtechnology.tomostphoneservices:planswithallotedresources,withanwww.dzone.comGetMoreRefcardz!incurredcostwhethersuchresourceswereconsumedornot.Virtualizationallowsaphysicalpieceofhardwaretobeutili

8、zedbymultipleoperatingsystems.ThisallowsresourcesCloudcomputingasit’sknowntodayhaschangedthis.(e.g.bandwidth,memory,CPU)tobeallocatedexclusivelytoThevariousresourcesconsumedbywebapplications(e.g.individualope