What are the main benefits of virtualization?

MrsMith

Beyond the benefit of more efficiently utilizing otherwise unused computing power, what have users found to be the main benefit of virtualization?

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jluppino
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Some fairly significant benefits are going to be lower expenditures for hardware and energy costs and a much easier disaster recovery process, in addition to the relative ease of recovery in the event of a hardware failure. 

jimlynch
Vote Up (6)

Top 10 benefits of server virtualization
http://www.infoworld.com/print/177828

"Server virtualization on the x86 platform has been around now for more than a decade, yet many in the industry still consider it a "new" technology. But those of us who have already adopted the technology in our own environments have grown to believe we can't live without it. Many of us also have the opinion that there is simply no going back to a "physical-only world."

As hard as it might be for fellow enthusiasts to wrap their arms around it, many people have yet to drink the virtual Kool-Aid. Fellow Kool-Aid drinkers may be asking themselves, "Why is that?" And that's a great question."

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There's nothing Amazon can have that others can't try to take away, as today's VMworld event sees the introduction of the VMware Workplace Suite -- a combined platform to deploy and manage applications and desktops from the cloud to laptops, smartphones, tablets, or whatever.
VMware has assembled a package that combines its desktop virtualization software with its tools for managing mobile devices, giving administrators a unified suite to manage all of their end-users' application requirements.
Some of the tech industry's biggest and brightest companies, including Google and IBM, have taken to running software in containers, a kind of hyper-compressed way to package up an app and get it running at scale without relying on virtual machines or the software licenses to run and manage them. At the same time, buzz has been building around the OpenStack open source cloud project for years, with customers beginning to talk about replacing at least part of their VMware cloud infrastructure with free-as-in-beer code.
Dell, VMware, and Cumulus Networks intend to accelerate the adoption of network virtualisation and open networking in the software-defined datacentre with the launch of a joint solution at VMworld 2014.
McAfee, part of Intel Security, has made improvements to its Server Security Suites portfolio with the introduction of performance optimisation and additional management efficiency to increase security for servers in physical, virtualised and Cloud environments.
"Brave" is the current watchword for virtualization software giant VMware.
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A year ago VMware laid out an ambitious plan, now it's time to hear the details.
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