Project Estimation Model Example

As a means for discussing the model I will follow through an example of the model being used. To do this the needs to be an example usage scenario. In this case I have chosen to use the following:

“A banking web site has retail and corporate clients, and well as a set of automated processes that must be completed overnight in the bank’s overnight batch window. The site has a standard Java web architecture, with the batch processes being initiated using a batch process at the application server. The purpose behind the model is to examine the capacity required in the major system components, and to make ensure the ongoing capability of the host systems for the site.”

If you have followed through the performance model series (here), you will note that this is exactly the same scenario. I have chosen this in order to be able to compare and contrast the application of the performance and project estimation models. There are clear differences in approach that need to be considered. For those that like to skip to the end I have provided a copy of the final estimation example filled out here:

Estimation project estimate

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