Microsoft Transaction Cost Analysis (TCA)

For some time, Microsoft has published their own capacity planning model called Transaction Cost Analysis (TCA) . They also offer their own stress testing tools (WAST, ACT, etc) that can be used as add-ons to Visual Studio or stand alone tools for testing Microsoft applications. I was recently asked why I don’t recommend this method and those tools to accomplish performance goals, rather than purchasing 3rd party commercial tools that are much more expensive?

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