Virtualization Cost-Benefit Analysis - Preparing The Spreadsheet

Virtualization Cost-Benefit Analysis - Preparing The Spreadsheet

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CNT 4603: Virtualization Cost/Benefit Analysis - Spreadsheet Page 1 Dr. Mark Llewellyn © CNT 4603: System Administration Spring 2012 Virtualization Cost/Benefit Analysis – Preparing The Spreadsheets CNT 4603: System Administration Spring 2012 Virtualization Cost/Benefit Analysis – Preparing The Spreadsheets Department of Electrical Engineering and Computer Science Computer Science Division University of Central Florida Instructor : Dr. Mark Llewellyn markl@cs.ucf.edu HEC 236, 4078-823-2790 http://www.cs.ucf.edu/courses/cnt4603/spr2012
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CNT 4603: Virtualization Cost/Benefit Analysis - Spreadsheet Page 2 Dr. Mark Llewellyn © Preparation Of The Spreadsheets This set of notes is a continuation of the previous set of notes in which we discussed how to perform the basic steps in a cost/benefit analysis. We’ll continue to focus on a financial analysis of a virtualization project scenario. Keep in mind that there may be several different versions of the spreadsheets that we develop here in play at any point in time that relate to different project deployment scenarios. We’ll focus on only one set of these spreadsheets as they will all be similar in nature in any case. But the assumption here is that we have only one deployment scenario to consider in our analysis.
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CNT 4603: Virtualization Cost/Benefit Analysis - Spreadsheet Page 3 Dr. Mark Llewellyn © Preparation Of The Spreadsheets In the previous set of notes, we covered how to determine the current cost structure in place in your organization. Since the creation of the necessary spreadsheets is based on the analysis you’ve previously done for your organizations infrastructure, the spreadsheets won’t make much since unless we put them into some sort of context. We’ll generate a set of three spreadsheets: 1. Current Cost Structure spreadsheet 2. Virtualized Cost Structure spreadsheet 3. A summary project cost spreadsheet
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CNT 4603: Virtualization Cost/Benefit Analysis - Spreadsheet Page 4 Dr. Mark Llewellyn © Preparation Of The Spreadsheets Since the spreadsheets need a context, let’s describe a hypothetical organizational infrastructure on which we can do the cost/benefit analysis that would allow us to generate the necessary spreadsheets. Let’s assume the current infrastructure has 20 physical servers. Let’s assume that each server cost $1000/year in power consumption and that each server has a server maintenance contract that costs $300/year. The organization does not employ any outside vendor for any activity related to the servers. Each of the servers requires an estimated 1 week/year of administrative time and backup operations are estimated to be 15 minutes/day/server. Administrative costs are $150,000/year.
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CNT 4603: Virtualization Cost/Benefit Analysis - Spreadsheet Page 5 Dr. Mark Llewellyn © Preparation Of The Spreadsheets The proposed virtualization project will replace the 20 current servers with 3 state of the art virtualization
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Virtualization Cost-Benefit Analysis - Preparing The Spreadsheet

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