Preparing Cloud Business Case

Create a proposal to migrate business onto AWS Cloud. AWS provides a AWS calculator to compare costs between On-premise and AWS Cloud.

Calculate expected monthly bills AWScalculator.com

Shift capital expenditure for physical hardware, to pay-as-you-go operating expenditure is a key driver.

AWS Benefits

1. Trade capital costs for variable expense (pay as you go) - up to 80% cost savings using reserved instances, and pay less the more you use. Reduced TCO as no data-centre overheads and license costs, no onsite data backups (tapes or archives), no NW gear or ops overheads in Cloud
2. Benefit from economies of scale
3. Stop guessing capacity
4. Increase speed & agility
5. Stop spending money on running and maintaining data-centres
6. Go global in minutes
7. AWS increase number of services, and pay less as as AWS services grows & matures

Use Case - “Unilever’s digital data program now processes genetic sequences twenty times faster—without incurring higher compute costs. In addition, its robust architecture supports ten times as many scientists, all working simultaneously.” – Pete Keeley, Unilever Research’s eScience IT Lead for Cloud Solutions

Monthly calculator

Used for estimating run costs for a project

https://calculator.s3.amazonaws.com/index.html

AWS TCO (Total Cost of Ownership)

This is required input for business case. Data over a period of 3 years is used to input into the Cost calculator

Aws.amazon.com/tco Info and case studies

https://awstcocalculator.com/ the actual calculator

Note: This can be used to calculate on Premises, and Cloud costs (across AWS Regions)

Considerations

• Servers - what HW, HW Maintenance, Power & Cooling, DataCentre space is used
• Storage - how much storage is used
• Network - Network HW, NW HW Maintenance
• IT Labour - Personnel costs to handle on prem

Comparison

Compare the 'As Is' vs. 'To Be' costs of Ownership

Amazon EC2 Cost Comparison Calculator – http://media.amazonwebservices.com/Amazon_EC2_Cost_Comparison_Calculator_042810.xls

Compliance

Amazon Inspector reduces your Auditing costs for Regulations, Compliance and Framework alliance

AWS Support

AWS Support Plans - Basic, Developer, Business, Enterprise 24/7 - aws.amazon.com/premiumsupport/compare-plans