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Awareness of the existence of the Windows Azure Platform TCO and ROI Calculator remains pretty low based on some conversations I have had lately at events.

It is available in both online and offline versions and aims to help measure the potential savings of product development or migration to the Windows Azure Platform.

Lets take a quick example of a brand new car insurance site (Based on my depth work with… car insurance sites!). In brief:

  • We will start small
  • Need to connect to plenty of existing systems to get quotations
  • Store a lot of documents
  • We hope to gradually grow
  • There will be spikes if we run successful advertising campaigns.

First I profile the application:

image

This profile gave me a default set of services:

image

Which I further refined based on:

  • Some more computing instances as I expect to use worker roles to handle quote submission/harvesting asynchronously
  • More storage – for all those insurance documents!
  • Larger database

image

I left the cost page alone:

image

Which left me with the following ROI and

Saved me £94,513 in 10minutes. I need a promotion :-)

image

Which was broken down as:

image

Which I could further drill into e.g. by Month or by altering the basis of the On-Premise calculation. There really are a lot of knobs to turn. Which is why we also support collaboration on a model:

image 

I will upload the final report onto slideshare (I am just having a few issues with slideshare at the moment). But it does include plenty of detail about the basis of the calculation e.g.

image

vs

image

Enjoy. And share here anything good or bad it throws up. Thanks.

Posted on Monday, February 8, 2010 3:37 PM Q&A , Cloud Computing | Back to top


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