1. Special thanks go to my supervisors. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. that transforms hardware To understand why hardware sharing is such a big deal, think for a moment about the computer that you use every day. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Looks like you’ve clipped this slide to already. In this video i will be explaining the different levels of virtualization in details. See our Privacy Policy and User Agreement for details. Virtualization in Cloud Computing. Although virtualization, as a form of technology has existed since the 1960s, only recently with the advent of cloud computing has it become a staple in the vocabulary of those involved in the IT industry. Hardware virtualization is further subdivided into the following types: Full Virtualization – In it, the complete simulation of the actual hardware takes place to allow the software to run an unmodified guest OS. This image illustrates the seven layers of the OSI model.  Virtualization is a Technology In its most basic form, it divides network architecture into seven layers which, from top to bottom, are the Application, Presentation, Session, Transport, Network, Data-Link, and Physical Layers. Virtualization as we know it began with the experimental CP-40 hypervisor which provided full virtualization to run over a dozen virtual machine on a modified S/360 model 40. Full application Virtualization requires a Virtualization layer. Examples of Virtualization. It is therefore often referred to as the OSI Seven Layer Model . Virtualization technology comes in several different varieties. 2.Enhance development productivity. Virtualization has three characteristics that make it ideal for cloud computing: Partitioning: In virtualization, many applications and operating systems (OSes) are supported in a single physical system by partitioning (separating) the available resources. Server virtualization is focused on converting a physical instance of an operating system into a virtual instance or virtual machine (VM). •Additional instructions that can be used by the VMM to create and support VMs. The layer-cake model Simply put, the layer-cake model is the device + operating system + applications + user data. taxonomy model has been developed that demonstrates the various layers of a virtual server architecture and virtualization domains in a structured way. To support virtualization, processors such as the x86 employ a special running mode and instructions, known as hardware-assisted virtualization.In this way, the VMM and guest OS run in different modes and all sensitive instructions of the guest OS and its applications are trapped in the VMM. 7. Common virtualization layers include the instruction set architecture (ISA) level, hardware level, operating system level, library support level, and application level (see Figure 3.2). After virtualization, different user applications managed by their own operating systems (guest OS) can run on the same hardware, independent of the host OS. Sareen P (2013) Cloud Computing: Types, Architecture, Applications, Concerns, Virtualization and Role of IT Governance in Cloud, IJARCSSE 3: 533-538. Saturation of the network card and software switch on the physical host causes performance issues, reduced bandwidth, and increased latency. 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