VIRTUALIZATION TECHNIQUES By:- Aman, Denis and Dharit.

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Presentation transcript:

VIRTUALIZATION TECHNIQUES By:- Aman, Denis and Dharit

WHAT IS VIRTUALIZATION ? In computing, virtualization means to create a virtual version of a device or resource, such as a server, storage device, network or even an operating system where the framework divides the resource into one or more execution environments.

TYPE OF VIRTUALIZATION Hardware Virtualization Software Virtualization Network Virtualization Desktop Virtualization

HARDWARE VIRTUALIZATION In hardware virtualization there are two things: Host Machine & Guest Machine. The software that creates a virtual machine on the host hardware is called a hypervisor or Virtual Machine Manager. When Host & Guest require the same hardware. It allows complete simulation of the actual hardware to allow software, which typically consists of a guest operating system, to run unmodified.

SOFTWARE VIRTUALIZATION When Host & Guest do not require same hardware. Separates the desktop environment from the physical device. In software virtualization, the host system needs to completely emulate guest's platform (i.e. ranging from hardware, CPU instructions, through its firmware and even the operating system /if there is one/). The advantage is that host and guest platforms are independent (our example of the Nintendo emulator). The disadvantage is that this approach is very slow and resource consuming (since we have to emulate everything).

NETWORK VIRTUALIZATION Network virtualization is define by ability to create logical and virtual networks. This can be used to create virtual network within a virtualized infrastructure. Virtual network is truly separate from other network resources. Advantage of NV is reduced spending and easier backup. Disadvantages of NV is upfront cost and possible learning curve.

DESKTOP VIRTUALIZATION This separates desktop environment from the physical device that is used to access it. It’s configured as virtual desktop Infrastructure(VDI). An advantages of this is in work convenience and information security. Its remotely accessible so employee can work from any location and on any PCs. This virtualization provides one more advantage Flexibility.