Monday, March 9, 2009

Moving to Maturity Level 4

Our company achieved Maturity Level 3 (ML 3) this year. Now we want to go for Maturity Level 4 (ML 4). Would you please give us some suggestions on what we have to do for ML 4?

I can give you a list of items and practices that you need to have in place, but that is not enough. I highly recommend that you and your company hire a High Maturity Lead Appraiser and/or consultant and have them work with you to implement OPP and QPM. I also suggest that you take the SEI’s Understanding CMMI High Maturity Concepts or equivalent. This class will greatly help your understanding of ML 4 and ML 5. You will need to have someone on your staff that has a good understanding of statistics and statistical methods to help you build your Process Performance Baselines (PPBs) and Process Performance Models (PPMs) that support your Quality and Process Performance Objectives (QPPOs). In addition, in order for all this to work, your processes have to be stable so you can perform meaningful statistical analyses. This also means having a repository of historical data from the stable processes. So not only do you need expert help, you also need a sufficient amount of historical data, which could range from months to years in order to achieve ML 4.

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