Using Patterns and Profiles 

Here is a very high level model of a different model that you can use to transition to a software defined data center model, cloud or hyper-converged architecture.  This model has several advantages over a linear model in that its focused on developing an object oriented like solution based on individual micro elements or parts of the whole.

Walmart Fin Model Work File V2

If you would like to read the detailed documentation including worksheets please register for the site and indicate in an email to me that you would like more information.