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My firm is considering moving to cloud based services for our in house web application. We are evaluating AWS and we are in the early stages of doing some cost analysis on whether it's cost effective for us to move to AWS. I'm new to AWS and before I reinvent the wheel, are there tools (websites, Excel spreadsheet, ROI calculators, etc) available that can help determine the correct AWS solution and costs? For example, if I have three Linux app servers, 2 database servers, 10 load balancers, etc, how do I map the correct AWS solution to what we have today and determine costs from moving from our current architecture/infrastructure to AWS?

If there are no tools for this, are there message boards, communities or other resources that can help?

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closed as too broad by Chris S Jul 9 '13 at 17:38

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

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4 Answers

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The mapping will have to be done internally, atleast that was the case for us. Used Visio to draw out current infrastructure and another for the proposed cloud infrastrucutre.

From our experience, it is next to impossible to get an actual Amazon engineer on the horn to assist. We are even purchasing a better support plan just for the engineer access.

Regarding cost, best tool is the AWS Calculator: http://calculator.s3.amazonaws.com/calc5.html

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Once you do get an AWS environment up and running be sure to check out Ice. Netflix recently open-sourced their internal tool for cost tracking in AWS. It's pretty slick.

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Also, check out planforcloud.com –  dmourati Jul 9 '13 at 19:18
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There is a monthly calculator here http://calculator.s3.amazonaws.com/calc5.html

And loads of documentation here http://aws.amazon.com/ec2/#instance

With that you should be able to have a good idea of the ROI of this project.

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More accurate way to ascertain may be to do a Proof of Concept (POC) that is a much smaller replication of the complete system. AWS may throw surprises and few factors may turn out to be different from what you expect them.

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