پاورپوینت کامل Cloud Computing – An overview 41 اسلاید در PowerPoint

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پاورپوینت کامل Cloud Computing – An overview 41 اسلاید در PowerPoint

اسلاید ۴: Utility ComputingMore related to cloud computingApplications, storage, computing power and networkRequires cloud like infrastructurePay by the drink modelSimilar to electric service at homePay for extra resources when neededTo handle expected surge in demandUnanticipated surges in demandBetter economics

اسلاید ۵: Cloud computing – HistoryEvolved over a period of timeRoots traced back to Application Service Providers in the 1990’sParallels to SaaSEvolved from Utility computing and is a broader concept

اسلاید ۶: Cloud computingMuch more broader conceptEncompassesIIAS, PAAS, SAASDynamic provision of services/resource pools in a co-ordinated fashionOn demand computing – No waiting periodLocation of resource is irrelevantMay be relevant from performance(network latency) perspective, data localityApplications run somewhere on the cloudWeb applications fulfill these for end userHowever, for application developers and ITAllows develop, deploy and run applications that can easily grow capacity(scalability), work fast(performance), and offer good reliabilityWithout concern for the nature and location of underlying infrastructureActivate, retire resourcesDynamically update infrastructure elements without affecting the business

اسلاید ۷: Clouds Versus GridsClouds and Grids are distinctCloudFull private cluster is provisionedIndividual user can only get a tiny fraction of the total resource poolNo support for cloud federation except through the client interfaceOpaque with respect to resourcesGridBuilt so that individual users can get most, if not all of the resources in a single requestMiddleware approach takes federation as a first principleResources are exposed, often as bare metalThese differences mandate different architectures for each

اسلاید ۸: Cloud MythologiesCloud computing infrastructure is just a web service interface to operating system virtualization.“I’m running Xen in my data center – I’m running a private cloud.”Cloud computing imposes a significant performance penalty over “bare metal” provisioning.“I won’t be able to run a private cloud because my users will not tolerate the performance hit.”Clouds and Grids are equivalent“In the mid 1990s, the term grid was coined to describe technologies that would allow consumers to obtain computing power on demand.”

اسلاید ۹: Commercial clouds

اسلاید ۱۰: Cloud AnatomyApplication Services(services on demand)Gmail, GoogleCalenderPayroll, HR, CRM etcSugarm CRM, IBM Lotus LivePlatform Services (resources on demand)Middleware, Intergation, Messaging, Information, connectivity etcAWS, IBM Virtual images, Boomi, CastIron, Google AppengineInfrastructure as services(physical assets as services)IBM Blue house, VMWare, Amazon EC2, Microsoft Azure Platform, Sun Parascale and more

اسلاید ۱۱: Cloud Computing – layersLayersArchitecture

اسلاید ۱۲: What is a CloudIndividualsCorporationsNon-CommercialCloud Middle WareStorage ProvisioningOSProvisioningNetworkProvisioningService(apps)ProvisioningSLA(monitor), Security, Billing, PaymentServicesStorageNetworkOSResources

اسلاید ۱۳: Why cloud computingData centers are notoriously underutilized, often idle 85% of the timeOver provisioningInsufficient capacity planning and sizingImproper understanding of scalability requirements etcincluding thought leaders from Gartner, Forrester, and IDC—agree that this new model offers significant advantages for fast-paced startups, SMBs and enterprises alike. Cost effective solutions to key business demandsMove workloads to improve efficiency

اسلاید ۱۴: How do they workPublic clouds are opaqueWhat applications will work well in a cloudMany of the advantages offered by Public Clouds appear useful for “on premise” ITSelf-service provisioningLegacy supportFlexible resource alloc