On-Premise (Non-Cloud)

Off-Premise (Private Cloud^a)

Decision Factor

Weight (%)

SQ

SIPS

CB

SaaS COTS

PaaS SIPS

PaaS CB

IaaS SIPS

IaaS CB

Ability to meet critical success factors

25

0.25

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Number of years in planning through implementation

10

NA

0.30

0.20

0.10

0.10

0.10

0.10

0.10

Total PV risk-adjusted life cycle costs

15

0.60

0.60

0.30

0.60

0.45

0.15

0.45

0.15

Qualitative risks

30

NA

1.20

0.90

0.30

0.30

0.30

0.30

0.30

Qualitative benefits

10

0.10

0.40

0.30

0.40

0.40

0.40

0.40

0.40

Confidence level of risk-adjusted cost

10

NA

0.30

0.10

0.10

0.20

0.30

0.10

0.10

Weighted scores

100

0.95

3.80

2.80

2.50

2.45

2.25

2.35

2.05