3-3SpreadsheetExampleInNotes.xlsx
Variables
| Variables used in the spreadsheets |
|
| value |
variable name |
comment |
| current |
20 |
currNumServers |
current number of servers (physical) |
|
| 300 |
currServerMaintenance |
current server maintenance contract cost/year/server |
|
| 1.03 |
year4SMIncrease |
increase in server maintenance cost beginning year 4 |
|
| 75 |
currAdminCost |
current administrative cost/hour in dollars |
|
| 1000 |
powerCostPerYear |
cost of power for 1 server/year - current base rate |
|
| 1.02 |
year3PowerIncrease |
increase in power cost per kWH starting year 3 |
|
| 0 |
currOutsideServiceCost |
current outside services hard cost total |
| admin |
0.25 |
backupTime |
time in hours to back up 1 server/day |
|
| 168 |
adminTime |
time in hours to administer 1 server/year |
| proposed |
3 |
numNewServers |
number of new servers to be purchased |
|
| 21000 |
costNewServer |
cost of each new server |
|
| 4000 |
costNewSoftware |
cost of new virtualization software/server |
|
| 0.2 |
costSoftwareMaintenance |
cost of new software maintenance contract (% of cost, $0 year 1) |
|
| 600 |
newServerPowerCost |
cost of powering 1 new server/year |
|
| 2100 |
newServerMaintenance |
cost of new server maintenance contracts/year |
|
| 2 |
numTraineesYr1 |
number of employees needing training in year 1 |
|
| 1 |
numTraineesAfterYr1 |
number of employees needing training after first year |
|
| 1500 |
trainingCost |
cost to train 1 new employee/year |
| constants |
52 |
weeksPerYear |
number of weeks/year |
|
| 24 |
hoursPerDay |
number of hours/day |
|
| 8 |
adminDay |
number of hours/administrative day |
|
| 2080 |
adminHoursPerYear |
number of hours an administrator works per year (= 8 hrs/day * 5 days/week * 52 weeks/yr) |
|
| 168 |
hoursPerWeek |
number of hours in 1 week (7 day week) (= 24 hrs/day * 7 days/week) |
|
| 365 |
daysinYear |
number of days in 1 year |
|
| 260 |
adminDaysPerYear |
number of administrative days per year (5 days/week * 52 weeks/yr) |
Current Cost Structure
| Current Yearly Costs |
| Category |
Cost |
|
|
|
|
| Notes |
|
| Year 1 |
Year 2 |
Year 3 |
Year 4 |
Year 5 |
| Hard Costs |
| Power |
20,000.00 |
20,000.00 |
20,400.00 |
20,400.00 |
20,400.00 |
| 20 servers X $1000/year |
| Server Maintenance |
6,000.00 |
6,000.00 |
6,000.00 |
6,180.00 |
6,180.00 |
| 20 servers x $300/year |
| Outside Services |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
| all operations handled by staff |
| Total Yearly Hard Costs |
26,000.00 |
26,000.00 |
26,400.00 |
26,580.00 |
26,580.00 |
| Total Five Year Hard Costs = |
131,560.00 |
| Soft Costs |
| Machine Administration |
252,000.00 |
252,000.00 |
252,000.00 |
252,000.00 |
252,000.00 |
| assume 1 week/server/year |
| Backup |
136,875.00 |
136,875.00 |
136,875.00 |
136,875.00 |
136,875.00 |
| assume 15 min/day/server |
|
|
|
|
|
|
|
| assume $75/hr administrative cost |
| Total Yearly Soft Costs |
388,875.00 |
388,875.00 |
388,875.00 |
388,875.00 |
388,875.00 |
| Total Five Year Soft Costs = |
1,944,375.00 |
| Total Yearly Current Costs = |
414,875.00 |
414,875.00 |
415,275.00 |
415,455.00 |
415,455.00 |
| Total Five Year Costs = |
2,075,935.00 |
Virtualized Cost Structure
| Virtualized Infrastructure Yearly Costs |
| Category |
Cost |
|
|
|
|
| Notes |
|
| Year 1 |
Year 2 |
Year 3 |
Year 4 |
Year 5 |
| Hard Costs |
| Machine Purchases |
63,000.00 |
|
|
|
|
| 3 servers x $21K/server |
| Software Purchases |
12,000.00 |
|
|
|
|
| VMWare/server |
| Software Maintenance |
0.00 |
2,400.00 |
2,400.00 |
2,400.00 |
2,400.00 |
| 3 VMWare at 20% maintenance |
| Power |
1,800.00 |
1,800.00 |
1,836.00 |
1,836.00 |
1,836.00 |
| 3 servers x $600/year |
| Server Maintenance |
6,300.00 |
6,300.00 |
6,300.00 |
6,489.00 |
6,489.00 |
| 3 servers x $2100/year |
| Training |
3,000.00 |
1,500.00 |
1,500.00 |
1,500.00 |
1,500.00 |
| 2 employees year 1, 1/year thereafter |
| Outside Services |
0.00 |
0.00 |
0.00 |
0.00 |
0.00 |
| all operations handled by staff |
| Total Yearly Hard Costs |
86,100.00 |
12,000.00 |
12,036.00 |
12,225.00 |
12,225.00 |
| Total Five Year Hard Costs = |
134,586.00 |
| Soft Costs |
| Machine Administration |
37,800.00 |
37,800.00 |
37,800.00 |
37,800.00 |
37,800.00 |
| Backup |
20,531.25 |
20,531.25 |
20,531.25 |
20,531.25 |
20,531.25 |
| Total Yearly Soft Costs |
58,331.25 |
58,331.25 |
58,331.25 |
58,331.25 |
58,331.25 |
| Total Five Year Soft Costs = |
291,656.25 |
| Total Yearly Proposed Costs = |
144,431.25 |
70,331.25 |
70,367.25 |
70,556.25 |
70,556.25 |
| Total Five Year Costs = |
426,242.25 |
Project Cost Summary
| Virtualization Project Cost Summary |
|
| Category |
Cost |
|
|
| Year 1 |
Year 2 |
Year 3 |
Year 4 |
Year 5 |
| Current Infrastructure Costs |
|
| Total Yearly Hard Costs |
26,000.00 |
26,000.00 |
26,400.00 |
26,580.00 |
26,580.00 |
|
| Total Five Year Hard Costs |
131,560.00 |
|
| Total Yearly Soft Costs |
388,875.00 |
388,875.00 |
388,875.00 |
388,875.00 |
388,875.00 |
|
| Total Five Year Soft Costs |
1,944,375.00 |
| Virtualized Infrastructure Costs |
|
| Total Yearly Hard Costs |
86,100.00 |
12,000.00 |
12,036.00 |
12,225.00 |
12,225.00 |
|
| Total Five Year Hard Costs |
134,586.00 |
|
| Total Yearly Soft Costs |
58,331.25 |
58,331.25 |
58,331.25 |
58,331.25 |
58,331.25 |
|
| Total Five Year Soft Costs |
291,656.25 |
| Net Five Year Hard Cost Savings |
| -3,026.00 |
| Net Five Year Soft Cost Savings |
| 1,652,718.75 |
|
| Net Five Year Overall Cost Savings |
1,649,692.75 |