IaaS vs PaaS vs SaaS - Red Hat

Red Hat can provide you with IaaS, PaaS, and SaaS options you can combine to form a cloud-computing environment that gives you the ... Featuredlinks Openhybridcloud Support Developers Partners Startatrial Skiptocontent Search Enteryourkeywords Enteryourkeywords Products Solutions Services&support Resources RedHat&opensource Featuredlinks Openhybridcloud Support Developers Partners Startatrial English Selectalanguage 简体中文EnglishFrançaisDeutschItaliano日本語한국어PortuguêsEspañol English LoginAccount LoginYourRedHataccountgivesyouaccesstoyourmemberprofileandpreferences,andthefollowingservicesbasedonyourcustomerstatus: CustomerPortal RedHatConnectforBusinessPartners Usermanagement CertificationCentral RegisternowNotregisteredyet?Hereareafewreasonswhyyoushouldbe:BrowseKnowledgebasearticles,managesupportcasesandsubscriptions,downloadupdates,andmorefromoneplace. Viewusersinyourorganization,andedittheiraccountinformation,preferences,andpermissions. ManageyourRedHatcertifications,viewexamhistory,anddownloadcertification-relatedlogosanddocuments. EdityourprofileandpreferencesYourRedHataccountgivesyouaccesstoyourmemberprofile,preferences,andotherservicesdependingonyourcustomerstatus. Foryoursecurity,ifyou'reonapubliccomputerandhavefinishedusingyourRedHatservices,pleasebesuretologout. Logout Contactus Login/RegisterAccount Selectalanguage 简体中文EnglishFrançaisDeutschItaliano日本語한국어PortuguêsEspañol Jumptosection Jumptosection "As-a-service"generallymeansacloudcomputingservicethatisprovidedbyathirdpartysothatyoucanfocusonwhat’smoreimportanttoyou,likeyourcodeandrelationshipswithyourcustomers.Eachtypeofcloudcomputingleavesyoulessandlesson-premiseinfrastructuretomanage. On-premiseITinfrastructurepresentsthebiggestlevelofresponsibilitytoyouasauserandmanager.Whenyourhardwareandsoftwareareallon-premises,it’suptoyouandyourteamtomanage,update,andreplaceeachcomponentasneeded. Whatcloudcomputingallowsforistheallocationofone,several,orallofthepartsofyourinfrastructuretothemanagementofathirdparty,freeingyouuptofocusonotherthings.StartplanningyourhybridcloudstrategyThereare3maintypesofcloudcomputingas-a-serviceoptionsandeachonecoversadegreeofmanagementforyou:infrastructure-as-a-service(IaaS),platform-as-a-service(PaaS),andsoftware-as-a-service(SaaS).We’llcovereachtypeofmodel,thebenefits,andhowyoucanuseanyorallofthemtocreateacloud-computingenvironmentthatmeetsallofyourneeds.We’llalsotakealookatsomeexamplesofeachtomakeitalittleeasiertounderstand.Infrastructure-as-a-service,orIaaS,isastepawayfromon-premisesinfrastructure.It’sapay-as-you-goservicewhereathirdpartyprovidesyouwithinfrastructureservices,likestorageandvirtualization,asyouneedthem,viaacloud,throughtheinternet. Astheuser,youareresponsiblefortheoperatingsystemandanydata,applications,middleware,andruntimes,butaprovidergivesyouaccessto,andmanagementof,thenetwork,servers,virtualization,andstorageyouneed. Youdon’thavetomaintainorupdateyourownon-sitedatacenterbecausetheproviderdoesitforyou.Instead,youaccessandcontroltheinfrastructureviaanapplicationprogramminginterface(API)ordashboard. IaaSgivesyouflexibilitytopurchaseonlythecomponentsyouneedandscalethemupordownasneeded.There’slowoverheadandnomaintenancecosts,makingIaaSaveryaffordableoption. OnewaytouseIaaSwouldbeasaquick,flexiblewaytobuildupandtakedownanddevelopmentandtestingenvironments.Youcanuseonlytheinfrastructureyouneedtocreateyourdevelopmentenvironment—andscaleitupordown—foraslongasyouneedit,andthenyoucanstopwhenyou’refinished,payingonlyforwhatyouuse. ThemaindrawbackstoIaaSarethepossibilitiesofprovidersecurityissues,multi-tenantsystemswheretheprovidermustshareinfrastructureresourceswithmultipleclients,andservicereliability.Thesedrawbackscanbeavoidedbychoosingareliableandtrustworthyproviderwithasolidhistoryandreputation. PubliccloudproviderssuchasAWS,MicrosoftAzure,andGoogleCloudareexamplesofIaaS.Platform-as-a-service(PaaS)isanotherstepfurtherfromfull,on-premiseinfrastructuremanagement.Itiswhereaproviderhoststhehardwareandsoftwareonitsowninfrastructureanddeliversthisplatformtotheuserasanintegratedsolution,solutionstack,orservicethroughaninternetconnection. Primarilyusefulfordevelopersandprogrammers,PaaSallowstheusertodevelop,run,andmanagetheirownappswithouthavingtobuildandmaintaintheinfrastructureorplatformusuallyassociatedwiththeprocess. Youwritethecode,build,andmanageyourapps,butyoudoitwithouttheheadachesofsoftwareupdatesorhardwaremaintenance.Theenvironmenttobuildanddeployisprovidedforyou. PaaSisawaythatdeveloperscancreateaframeworktobuildandcustomizetheirweb-basedapplicationson.Developerscanusebuilt-insoftwarecomponentstocreatetheirapplications,whichcutsdownontheamountofcodetheyhavetowritethemselves.AfewexamplesofPaaSareAWSElasticBeanstalk,Heroku,andRedHatOpenShift.Software-as-a-service(SaaS),alsoknownascloudapplicationservices,isthemostcomprehensiveformofcloudcomputingservices,deliveringanentireapplicationthatismanagedbyaprovider,viaawebbrowser. Softwareupdates,bugfixes,andgeneralsoftwaremaintenancearehandledbytheproviderandtheuserconnectstotheappviaadashboardorAPI.There’snoinstallationofthesoftwareonindividualmachinesandgroupaccesstotheprogramissmootherandmorereliable. You’realreadyfamiliarwithaformofSaaSifyouhaveanemailaccountwithaweb-basedservicelikeOutlookorGmail,forexample,asyoucanlogintoyouraccountandgetyouremailfromanycomputer,anywhere. SaaSisagreatoptionforsmallbusinesseswhodon’thavethestafforbandwidthtohandlesoftwareinstallationandupdates,aswellasforapplicationsthatdon’trequiremuchcustomizationorthatwillonlybeusedperiodically. WhatSaaSsavesyouintimeandmaintenance,however,itcouldcostyouincontrol,security,andperformance,soit’simportanttochooseaprovideryoucantrust.Dropbox,Salesforce,GoogleApps,andRedHatInsightsaresomeexamplesofSaaS. RedHatcanprovideyouwithIaaS,PaaS,andSaaSoptionsyoucancombinetoformacloud-computingenvironmentthatgivesyoutheinfrastructure,platform,andapplicationsyouneedwithouttheassociatedhasslesanddistractions. RedHat’scloudinfrastructureproductsincludeRedHatOpenStack®Platform,RedHatVirtualization,RedHatSatellite,RedHatCephStorage,andourcontainerorchestrationplatformRedHatOpenShift.Tosimplifybuyingandmanagingenterprisesoftware,RedHatMarketplaceoffersautomateddeploymentofcertifiedsoftwareonanyRedHatOpenShiftcluster.Ouras-a-servicesolutionsareopensourceandbackedbyouraward-winningsupportandmorethan25yearsofexperienceandcollaborativeinnovation.WithRedHat,youcanarrangeyourpeople,processes,andtechnologiestobuild,deploy,andmanageappsthatarereadyforthecloud—andthefuture.  Cloudservicesareinfrastructure,platforms,orsoftwarethatarehostedbythird-partyprovidersandmadeavailabletousersthroughtheinternet.Managedservicesareawaytooffloadgeneraltaskstoanexpert,inordertoreducecosts,improveservicequality,orfreeinternalteamstodoworkthat’sspecifictoyourbusiness.Learnthefacetsofcloudmanagementandhowacloudmanagementplatformcanhelpyourenterprise. ProductsAplatformthatvirtualizeshardwareandorganizesthoseresourcesintoclouds.Anenterprise-readyKubernetescontainerplatformwithfull-stackautomatedoperationstomanagehybridcloud,multicloud,andedgedeployments.Engagementswithourstrategicadviserswhotakeabig-pictureviewofyourorganization,analyzeyourchallenges,andhelpyouovercomethemwithcomprehensive,cost-effectivesolutions.RelatedarticlesUnderstandingcloudcomputingWhatiscloudautomation?Cloudvs.edge​What'sthedifferencebetweencloudand virtualization?IaaSvsPaaSvsSaaSUnderstandingenterpriseKubernetesTypesofcloudcomputingWhatarecloudserviceproviders?Whatarecloudservices?WhataremanagedITservices?WhatisCaaS?Whatiscloudarchitecture?Whatiscloudinfrastructure?Whatiscloudmanagement?Whatishybridcloud?WhatisIaaS?WhatisITinfrastructure?Whatismulticloud?Whatismultitenancy?WhatisPaaS?Whatisprivatecloud?Whatispubliccloud?WhatisSaaS?Whatistelcocloud?WhybuildaRedHatcloud?Understandingcloud-nativeapplicationsIntroductiontoKubernetespatternsStatefulvsstatelessVNFandCNF,what’sthedifference?Whatarecloudapplications?Whatisacontainerregistry?WhatareJavaframeworks?WhatisaJavaruntimeenvironment(JRE)?Whatisanapplicationarchitecture?Whatiscontainerization?WhatisFunction-as-a-Service(FaaS)?WhatisQuarkus?WhatisanSDK?Whatisserverless?Whatisservice-orientedarchitecture(SOA)?WhychooseRedHatforcloud-nativedevelopment?WhychoosetheRedHatbuildofQuarkus?Whatiscloudstorage?UnderstandingOpenStackWhatisdifferentaboutcloudsecurityWhatishybridcloudsecurity?ResourcesHybridcloudstrategyfordummiese-bookCloud-nativemeetshybridcloud:AstrategyguideE-BOOKBoosthybridcloudsecurityE-BOOK7characteristicsofsuccessfulhybridcloudstrategiesCHECKLISTBuildingahybridcloudstrategyDATASHEETRedHatOpenStackPlatform:OpensourcecloudinfrastructureE-BOOKBoostagilitywithhybridcloudandcontainerse-bookBRIEFEmbracingcontainersforsoftware-definedcloudinfrastructureTrainingRedHatOpenStackTechnicalOverview Getmorecontentlikethis Signupforourfreenewsletter,RedHatShares. Continue