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PLAT FORM VIRTUALIZATION

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Working With Multiple Operating Systems

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Abstract Introduction Types of Virtualization How does Virtualization works Virtual infrastructure Benefits Virtualization ApprochHow virtualization complements new-generation

hardwareWhy virtualization?Conclusion

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Virtualization is a proven software technology that is

rapidly transforming the IT landscape and fundamentally changing

the way that people compute. Today’s powerful x86 computer

hardware was designed to run a single operating system and a

single application. This leaves most machines vastly underutilized.

Virtualization lets you run multiple virtual machines on a single

physical machine, sharing the resources of that single computer

across multiple environments.

Abstract

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IntroductionWe are familiar with the concept of multiple

processes running simultaneously and sharing the resources of a single computer. This is achieved by operating system acting as a single point of contact interfacing with the hardware resources, and there by controlling the access to hardware resources by multiple processes.

Virtualization can be thought of as an extension of this concept, where in multiple operating systems are allowed to share the hardware simultaneously by means of virtualization software

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Types of Virtualization

PARA VIRTUALISATION

FULL VIRTUALIZATION

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With virtualization we can be

able to dynamically move resources able to share resourcesmaking better use of the resourcesdriving up utilization

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How does Virtualization works

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Virtual infrastructure

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A virtual infrastructure consists of the following components:

Bare-metal hypervisors to enable full virtualization of each x86 computer. Virtual infrastructure services such as resource management and consolidated backup to optimize available resources among virtual machines Automation solutions that provide special capabilities to optimize a particular IT process such as provisioning or disaster recovery.

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Benefits

Compatibility

Isolation

Encapsulation

Hardware Independence

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Virtualization Approach

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FIG:Hosted Architecture

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How virtualization complements new-generation hardware

Extensive ‘scale-out’ and multi-tier application architectures

are becoming increasingly common, and the adoption of smaller

form-factor blade servers is growing dramatically. Since the

transition to blade architectures is generally driven by a desire for

physical consolidation of IT resources, virtualization is an ideal

complement for blade servers, delivering benefits such as

resource optimization, operational efficiency and rapid

provisioning.

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VIRTUALIZATION FOR SERVER CONSOLIDATION & CONTAINMENT

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Why virtualization?

Reduce Costs

Improve asset utilization

Enhance management

Increase flexibility

Allow faster resource deployment

Allow faster resource deployment

Gain operational flexibility:

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Virtualization enables us to run more than one

operating system at once.

Hence it is very easy for a programmer to evaluate his

program simultaneously in different operating

system.

It becomes easy for various organizations to provide a

new desktop for a newcomer with existing

resources.

Effective utilization of resources.

Conclusion

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Biblography

www.virtualbox.org

www.vmware.com

www.sun.com

www.sundevelopers.com

www.linuxforyou.com

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