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The Pros and Cons of Desktop Virtualization

The process of virtualization enables the creation of virtual forms of servers, applications, networks and storage. The four main types of virtualization are network virtualization, storage virtualization, application virtualization and desktop virtualization.

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The Pros and Cons of Desktop Virtualization

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  1. The Pros and Cons of Desktop Virtualization

  2. Table of Contents • Virtualization • Desktop Virtualization • How does Desktop Virtualization Work? • Remote Desktop Virtualization • Local Desktop Virtualization • Benefits of Desktop Virtualization • Disadvantages of Desktop Virtualization

  3. Virtualization • Virtualization is the technology which enables the creation of a virtual version of applications, network resources, storage devices and computer hardware platforms. It is the process that makes it possible to create multiple simulated environments from a single hardware. It uses a software to install multiple OS (Operating Systems) on a system and lowers IT expenses as well as augments efficiency. • Virtualization can be of various types, such as network virtualization, storage virtualization, application virtualization, server virtualization and desktop virtualization. The content of this PPT focuses on desktop virtualization. • To digress, servers are used by web hosting companies for the purpose of storing the files of websites to keep websites up and running. Web hosting companies use different types of servers, such as dedicated, VPS etc. Terms such as “Self Managed Windows VPS”, “Self Managed Linux VPS”, “Managed Windows VPS” etc. refer to the various types of servers that are used by web hosting service providers.

  4. Desktop Virtualization • Desktop Virtualization refers to the technology that enables simulation of workstation load by users for the purpose of accessing a desktop from a remotely or locally connected device. This helps to segregate the desktop environment along with its applications from the client device that is used to access it. This type of virtualization is an important element of workspaces that are digital and it depends on application virtualization. • Desktop virtualization is a type of client-server computing model. That is because the virtualized desktop gets stored on a server that is centralized or remote. Virtual desktop environments are made accessible to users on the network. Desktop virtualization enables remote log in for accessing one’s desktop from any location.

  5. How does Desktop Virtualization Work? • Although there are various ways to attain desktop virtualization, two types of desktop virtualization are the most important. These are Remote Desktop Virtualization and Local Desktop Virtualization. This classification depends on whether the OS (Operating System) instance is remote or local. Each of these will be discussed in the next two slides.

  6. 1-800-123 -8156 Whoa! That’s a big number, aren’t you proud?

  7. Remote Desktop Virtualization • Remote Desktop Virtualization functions in a client/server computing environment. This type of virtualization presents a common use of virtualization and lets users run applications and OS from a server that is inside a data center. All user interactions in this type of virtualization happen on a client device, such as a laptop, a smartphone etc. • Remote Desktop Virtualization enables IT departments to exercise centralized control over desktops and applications.

  8. Local Desktop Virtualization • In Local Desktop Virtualization, the OS runs on a client device by using hardware virtualization. All the processing and workloads in it take place on local hardware. Such a virtualization is a good option when a continuous network connection is not required by users and when they can fulfil application computing needs through local system resources. Since processing happens locally, one can’t use this type of desktop virtualization for the purpose of sharing virtual machines or resources across a network to mobile devices or to thin clients.

  9. Benefits of Desktop Virtualization Desktop virtualization offers many benefits depending on the deployment model that has been chosen. Its major benefits are mentioned below, in no particular order. • Reduced IT costs • Reduced downtimes • Accelerated deployments • Better user experience • An increase in the productivity of employees • Simplified administration and resource management • Mobile access to apps • Remote work • Security

  10. Disadvantages of Desktop Virtualization The major drawbacks of desktop virtualization are mentioned below. These are in no particular order. • Capital expenditure intensive • Doesn’t reduce the number of computers that are required in the network • Users’ licenses for OS and applications need to be bought, without any reduction in costs • Thin-clients are often more expensive than individual computers • Extra bandwidth needs to be handled by the network infrastructure • It is challenging to handle high-definition video/graphics • Certain vendor solutions work exclusively with their server virtualization counterparts • Desktop virtualization products support a limited number of OS • Display quality might suffer when there is insufficient bandwidth on the remote end

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