Cloud Computing & Virtualization

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Cloud Computing And Virtualization Prepared By – Shoki Mahajan

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Cloud Service Models 3 Software as a Service ( SaaS ) Platform as a Service ( PaaS ) Infrastructure as a Service ( IaaS ) Google App Engine SalesForce CRM LotusLive Adopted from: Effectively and Securely Using the Cloud Computing Paradigm by peter Mell, Tim Grance

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Virtualization Virtual workspaces: An abstraction of an execution environment that can be made dynamically available to authorized clients by using well-defined protocols, Resource quota (e.g. CPU, memory share), Software configuration (e.g. O/S, provided services). Implement on Virtual Machines (VMs): Abstraction of a physical host machine, Hypervisor intercepts and emulates instructions from VMs, and allows management of VMs, VMWare , Xen , etc. Provide infrastructure API: Plug-ins to hardware/support structures Hardware OS App App App Hypervisor OS OS Virtualized Stack

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Virtualization Types

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Benefits

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Issues

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Market Vendors