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What is Desktop Virtualization and Why Hasn’t it Taken Over the World?
Dan Kusnetzky,Distinguished Analyst and Founder
Kusnetzky Group LLC
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• What is virtualization anyway?• Virtualization has been in use for a long time• Many layers of virtualization in use today• What is Desktop Virtualization?• If it is so good, why hasn’t it taken over the world?• Some suggestions
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Agenda
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• Moving a function into an artificial environment
• Uses excess capacity• Processing • Memory • Storage • Networking
• Offer an "ideal" environment for that function
Kusnetzky Group, LLC © 2010
What is virtualization anyway?
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• Virtualization technology first appeared on Mainframes in the 1960s
• Single vendor midrange systems introduced virtualization in the 1970s and 1980s
• It appeared on Industry Standard Systems (X86) in the 1990s
Kusnetzky Group, LLC © 2010
Virtualization has been in use for a long time
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There are Many Layers of Virtualization in Use Today
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• Desktop Virtualization means different things to different Suppliers
• It is the use of one or more of four different technologies1. Access Virtualization2. Application Virtualization3. Virtual machine software4. Management of virtual environments
Kusnetzky Group, LLC © 2010
What is Desktop Virtualization
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• Depending upon the goals different technologies are appropriate– Reduction of management costs?– Simplifying lifecycle changes and reducing
costs– Simplifying the adoption of and integration of
new devices
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What are the goals?
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• The devil we know• Large initial investment• Disconnected operations• Avoiding change• Desire to leap over this type of change
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If Desktop Virtualization is so good, why hasn’t it taken over the world?
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• Know what applications and workloads are in the environment
• Know the real requirements of your environment – Mobility– Training– Technology– Security– Management
• Select the proper tool for the task at hand rather than the tool du jure
• "If you don't know where you're going, you're likely to end up somewhere else.” Lawrence Peter
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Suggestions
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Virtualization: A Manager’s Guide
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