What is virtualization? Virtualization 101 | United States
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`Page 1 of 5
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`Quick Links
`
`Virtualization
`
`Overview
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`How It Works
`
`Getting Started
`
`Virtualization 101
`What is virtualization? Simply put, it’s the process of creating a virtual, rather than physical, version of
`something. Virtualization can apply to computers, operating systems, storage devices, applications, or
`networks. However, server virtualization is at the heart of it.
`
`IT organizations are challenged by the limitations of today’s x86 servers, which are designed to run just
`one operating system and application at a time. As a result, even small data centers have to deploy many
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`http://www.vmware.com/virtualization/how-it-works.html
`
`9/27/2015
`
`Columbia Ex 2027-1
`Symantec v Columbia
`IPR2015-00375
`
`
`
`Page 1 of 5
`
`Quick Links
`
`Virtualization
`
`Overview
`
`How It Works
`
`Getting Started
`
`Virtualization 101
`What is virtualization? Simply put, it’s the process of creating a virtual, rather than physical, version of
`something. Virtualization can apply to computers, operating systems, storage devices, applications, or
`networks. However, server virtualization is at the heart of it.
`
`IT organizations are challenged by the limitations of today’s x86 servers, which are designed to run just
`one operating system and application at a time. As a result, even small data centers have to deploy many
`
`http://www.vmware.com/virtualization/how-it-works.html
`
`9/27/2015
`
`Columbia Ex 2027-1
`Symantec v Columbia
`IPR2015-00375
`
`
`
`What is virtualization? Virtualization 101 | United States
`
`Page 2 of 5
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`servers, each operating at just 5 to 15 percent of capacity—highly inefficient by any standard.
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`Virtualization uses software to simulate the existence of hardware and create a virtual computer system.
`Doing this allows businesses to run more than one virtual system – and multiple operating systems and
`applications -- on a single server. This can provide economies of scale and greater efficiency.
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`Additional Resources
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`Virtualization for Dummies
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`Virtualization Essentials
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`The Virtual Machine
`A virtual computer systems is known as “virtual machine” (VM): a tightly isolated software container with an
`operating system and application inside. Each self-contained VM is completely independent. Putting
`multiple VMs on a single computer enables several operating systems and applications to run on just one
`physical server, or “host”.
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`A thin layer of software called a hypervisor decouples the virtual machines from the host and dynamically
`allocates computing resources to each virtual machine as needed.
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`Key Properties of Virtual Machines
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`VMs have the following characteristics, which offer several benefits.
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`Partitioning
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`Run multiple operating systems on one physical machine
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`Divide system resources between virtual machines
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`Isolation
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`Provide fault and security isolation at the hardware level
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`Preserve performance with advanced resource controls
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`Encapsulation
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`Save the entire state of a virtual machine to files
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`Move and copy virtual machines as easily as moving and copying files
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`http://www.vmware.com/virtualization/how-it-works.html
`
`9/27/2015
`
`Columbia Ex 2027-2
`Symantec v Columbia
`IPR2015-00375
`
`
`
`What is virtualization? Virtualization 101 | United States
`
`Page 3 of 5
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`Hardware Independence
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`Provision or migrate any virtual machine to any physical server
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`Server Consolidation
`Using server virtualization, a company can maximize the use of its server resources and reduce the number
`of servers required. The result is server consolidation, which improves efficiency and cuts costs.
`
`Learn More
`
`It’s Not Cloud Computing
`Cloud computing is not the same thing as virtualization; rather, it’s something you can do using
`virtualization. Cloud computing describes the delivery of shared computing resources (software and/or
`data) on demand through the Internet. Whether or not you are in the cloud, you can start by virtualizing
`your servers and then move to cloud computing for even more agility and increased self-service.
`
`Read More
`
`Get Started
`Ready for the next steps? Learn about the various types of virtualization, see how virtualization can create
`benefits in different industries, and find resources to help you begin your virtualization journey.
`
`Get Started Now
`
`The Top 5 Reasons
`
`Explore the top 5 reasons why you can’t afford not to virtualize.
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`View Infographic
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`Plan For Growth
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`Learn about the top 10 considerations for getting started with virtualization.
`
`Learn More
`
`http://www.vmware.com/virtualization/how-it-works.html
`
`9/27/2015
`
`Columbia Ex 2027-3
`Symantec v Columbia
`IPR2015-00375
`
`
`
`What is virtualization? Virtualization 101 | United States
`
`Page 4 of 5
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`Speeding up Software Development
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`vRealize Suite allows Choice Hotels to provision new infrastructure within 30 minutes.
`
`View Infographic
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`VMware Technology
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`http://www.vmware.com/virtualization/how-it-works.html
`
`9/27/2015
`
`Columbia Ex 2027-4
`Symantec v Columbia
`IPR2015-00375
`
`
`
`What is virtualization? Virtualization 101 | United States
`
`Page 5 of 5
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`Copyright © 2015 VMware, Inc.
`All rights reserved.
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`http://www.vmware.com/virtualization/how-it-works.html
`
`9/27/2015
`
`Columbia Ex 2027-5
`Symantec v Columbia
`IPR2015-00375
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