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ezTalks: Cloud Services Introduction for Business

Cloud computing has three most common types of cloud services to offer. Depending on the needs of users, any type of cloud computing service is used either individually or in combination with others. The following is a brief introduction to the three cloud service types, namely, SaaS, PaaS and IaaS (https://www.eztalks.com/).<br>

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ezTalks: Cloud Services Introduction for Business

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  1. 3TypesofCloudServicesIntroduction Cloudcomputinghasthreemostcommontypesofcloudservicestooffer.Dependingontheneedsofusers,anytypeofcloudcomputingserviceisusedeitherindividuallyorincombinationwithothers.Thefollowingisabriefintroductiontothethreecloudservicetypes,namely,SaaS,PaaSandIaaS(https://www.eztalks.com/). ●Softwareasaservice(SaaS) SaaSisalsoknownas“on-demandsoftware”.UsersofSaaSratherthanfullybuythelicenseofvarioussoftwarehirethesoftwareatregularintervalsanduseitthroughanInternetbrowser.ThevarietyofsoftwareprovidedbySaaSisverybroad.ThereareanumberofsoftwareusedbySaaSfromcompaniessuchasezTalksVideo Conferencingthatemploysincontentmanagement,humanresourcesmanagement,accounting,ERP,customerrelationshipmanagementandotherrelevantareas. Thesoftware-as-a-servicetypeofcloudcomputinggrowsveryquickly,whilethelargestmarketforsoftware-as-a-serviceelectricityiscustomerrelationshipmanagement. Inthisservicemodel,thecloud-basedapplicationsareofferedtothecustomerasaserviceonrequest.Itisasingleinstanceoftheservicerunningonremotecomputers“inthecloud”,ownedandoperatedbyothers,andconnectedtotheusers'computersovertheInternetandtypicallyawebbrowser.SocialnetworkingsiteslikeFacebook,Twitter,FlickrandGoogleareallexamplesofSaaS,althoughusersareabletoaccesstheservicesthroughanyInternet-enableddevice.

  2. ●Platformasaservice(PaaS) PaaSprovidescomputersplatformsforusersofcloudcomputing.Itisalsothelinkbetweentheothertwoservicesprovidedbycloudcomputing;SaaSandIaaS. Anormalcomputerrequiresacomputerplatformthatcontainshardwarearchitecturealongwithaframeworkofsoftware.Suchaplatformisthebasisofthecollaborationof hardwareandsoftware,whichincludestheoperatingsystemoftheoperatingsystem,architectureandlanguages.Whenitcomestocloudcomputing,intheabsenceofarealcomputer,itisplatformasaservicethatprovidesuserswitheverythingthatisrequiredtocomposeacomputingplatform. SomeofthefacilitiesthatPaaSprovidesincludehosting,implementation,testandapplicationdevelopment,andapplicationdesign.Inaddition,cloudserviceprovidersthatofferPaaSincludeasetoffeaturestodesign,test,implement,manage,andrunapplications.Allthesefacilitiescanbeusedbybothindividualandbusinesscustomers,bysubscribingto asinglepackagewithallthefeaturesoffered. Theplatform-as-a-service(PaaS)modelisalevelabovethesoftwareasaservicesetupandprovideshardware,networkandoperatingsystemsothatacustomercandesigntheirownapplicationandsoftware.Inordertomeettherequirementsofapplicationssuchasscalabilityandmanageability,apredefinedcombinationofoperatingsystemOSand

  3. applicationserversfromPaaSvendors.Forexample,atanystageoftheprocesstodevelop,testandultimatelyhosttheirsites,WebdeveloperscanuseindividualPaaSenvironments.applicationserversfromPaaSvendors.Forexample,atanystageoftheprocesstodevelop,testandultimatelyhosttheirsites,WebdeveloperscanuseindividualPaaSenvironments. ●InfrastructureasaService(IaaS) IaaSisthethirdtypeofcomputingacrossthecloud.JustlikePaaSandSaaS,differentsoftwareandhardwaredevicesdeliveronacloudplatform,whileIaaSprovidesavirtualizedplatform.Theprocessofhardwarevirtualizationshowstheusersonlythe abstractcomputingplatforminsteadofthephysicalfunctions.Suchvirtualizationresultsinthecreationofaso-called"virtualmachinemonitor"or"hypervisor",whichisthecreation ofthethirdpartofthecloudcomputing,i.Interfaceasaservice. InfrastructureavailabletousersofInterfaceasaServiceincludessoftware,servers,networkdevices,anddatacenterspace.Thecostincurredbycustomers'cloudserviceproviderstypicallydependontheamountofactivityperformedbytheuserandisthereforenotset.However,thereisaminimalamountofchargedependingonthenumberoffacilitiesthatauserhassubscribedto. Infrastructure-as-a-Service(IaaS)isabasiccomputingandstoragespaceprovidedbyastandardizedserviceoverthenetwork.Thismodelhasmadetheworkloadeasierbyconsolidatingandprovidingdatacenterspace,storagesystems,networkdevices,servers,andsoon.Inaddition,thecustomercandevelopandinstalltheirownoperatingsystems,softwareandapplications. Thereareanumberofadvantagesofusingcloudcomputertechnology.However,anytypeofcloudservicecomeswithitsownsetofadvantagesanddisadvantages.Inordertomaketherightdecision,itisimperativethatuserscarefullyweightheprosandcons. From:https://www.eztalks.com/cloud/types-of-cloud-services.html

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