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Increase Longevity of IT Solutions With VMware vSphere

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Executive Summary

Many businesses need to run applications for as long as possible without making any changes to them. Most organizations replace hardware every 3 to 5 years. New hardware may require upgrades to operating systems. Newer operating systems may not be able to run older applications. VMware vSphere virtual machines provide an abstraction called virtual hardware that isolates operating systems from changes in physical hardware. Virtual hardware is typically supported for 9 years or more. Running older applications and operating systems in virtual machines allows such applications to be used without changes for longer than they might be on physical hardware. Running applications in virtual machines also reduces the cost of retesting applications each time the physical hardware is changed.

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