Where do you start?

A company has every technology you can think of, Java, .net, main frame, cobol, oracle, web sphere ...... Your job is to make the company able to make changes faster, reduce the cost of change, maintenance and operations.

How do you approach this problem?

En god tanke, men jeg tror du må konkretisere problemet litt mer. Ellers blir svaret: en kartleggingsprosess basert på et eller annet rammeverk.