Virtualization Cost-Benefit Analysis

Virtualization Cost-Benefit Analysis - CNT 4603 System...

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CNT 4603: Virtualization Cost/Benefit Analysis Page 1 Dr. Mark Llewellyn © CNT 4603: System Administration Spring 2012 Virtualization Cost/Benefit Analysis Department of Electrical Engineering and Computer Science Computer Science Division University of Central Florida Instructor : Dr. Mark Llewellyn [email protected] HEC 236, 4078-823-2790 http://www.cs.ucf.edu/courses/cnt4603/spr2012
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CNT 4603: Virtualization Cost/Benefit Analysis Page 2 Dr. Mark Llewellyn © Cost/Benefit Analysis For Server Virtualization In most organizations, deciding whether to go forward with a project is tied directly to the project’s prospective financial benefits. One of the primary reasons that virtualization is such a hot IT topic is because that it promises significant payback. As a system administrator you may be in charge of performing a project’s cost/benefit analysis. Having a documented financial analysis is sure to help you communicate the benefits of a project, whether it deals with virtualization or not, and it can help you to “sell” the project to decision makers. This set of notes is designed to step you through the process of performing a financial analysis of a virtualization project.
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CNT 4603: Virtualization Cost/Benefit Analysis Page 3 Dr. Mark Llewellyn © Cost/Benefit Analysis For Server Virtualization There are many different techniques that can be utilized to prepare a cost/benefit financial analysis. We’ll focus on a fairly standard approach that involves a five step process. The five steps you’ll need to accomplish are: 1. Define your proposed virtualization scheme. 2. Establish the current cost structure. 3. Identify the virtualization project’s costs. 4. Identifying the benefits of the proposed virtualization solution. 5. Create the virtualization project’s overview spreadsheet. If you’re interested, the National Archives has a good set of resources that deal with cost/benefit analysis. Many are very IT related and provide a good set of topics that should be included in basic cost/benefit analysis studies. Start at: Analysis of Costs and Benefits for ERM/ERK Projects and go from there.
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CNT 4603: Virtualization Cost/Benefit Analysis Page 4 Dr. Mark Llewellyn © 1. Defining A Virtualization Solution Obviously, the first task at hand is to look at your current infrastructure and consider how you might apply virtualization to it. Should you consolidate a number of physical servers onto a smaller number of machines, each of which hosts a number of virtual machines? Do you need to construct a redundant infrastructure to allow guests to be migrated between machines to ensure high availability? Or do you need to virtualize your storage as well as consolidate servers?
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