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Cloud Computing And VirtualizationPrepared By –Shoki Mahajan
Cloud Service Models Software as a Platform as a Infrastructure as a Service (SaaS) Service (PaaS) Service (IaaS)SalesForce CRMLotusLive Google App Engine Adopted from: Effectively and Securely Using the Cloud Computing Paradigm by peter Mell, Tim Grance 3
Virtualization Virtual workspaces: An abstraction of an execution environment that can be made dynamically available to authorized clients by using well-defined protocols, App App App Resource quota (e.g. CPU, memory share), OS OS OS Software configuration (e.g. O/S, provided services). Hypervisor Implement on Virtual Machines (VMs): Hardware Virtualized Stack 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