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SEI White Paper: Process Maturity Model. Present by Hui Huang November 16, 2000. ® CMM is Registered in the US Patent and Trademark Office. Overview of the article (CMM for Software). Overview of CMM Background discussion: Why CMM is crucial Developing History Detailed Summary

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SEI White Paper: Process Maturity Model

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Sei white paper process maturity model l.jpg

SEI White Paper: Process Maturity Model

Present by Hui Huang

November 16, 2000

® CMM is Registered in the US Patent and Trademark Office


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Overview of the article(CMM for Software)

  • Overview of CMM

  • Background discussion: Why CMM is crucial

  • Developing History

  • Detailed Summary

  • Description of Uses for

    • Process Improvement

    • Evaluation of software supplier

  • Pros and Cons

  • State of Practices and Future Directions


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Clarification of Terms

  • Software process

  • Software process capability

    • Expected results

  • Software process performance

    • Actual results

  • Software process maturity


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What is CMM ?

  • A SEI Patent

  • A Five-Level Hierarchical Model

  • A set of known GMPs and an improvement strategy for building consistent and predictable software products


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Why CMM is crucial

  • Determine the current process maturity level

  • Identify a vital few issues

  • Focus on limited set of activities

  • Enable steady, continual and lasting gains


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Maturity Levels in CMM


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Key Process Areas (KPAs)

  • Each KPA identifies a cluster of related activities that achieve a set of goals considered important for process capability

  • The path of a key process may differ


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The IDEAL approach to using the CMM

  • The five phase of the IDEAL approach

  • I: Initiating (the groundwork)

  • D: Diagnosing (the distance to the goal)

  • E: Establishing ( the plan)

  • A: Acting (doing the work)

  • L: Learning (from the experience)

  • CMM is part of the IDEAL approach


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Cons:

  • CMM is Not comprehensive

    • non-software disciplines are not addressed

    • Counter-argument: CMM is deliberately focused on software process

  • CMM is Difficult to Understand

  • The solution is for Large organization

  • The maturity levels oversimplifies issues

  • The KPAs are static


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Pros

  • Normative components are short: 18 KPAs and 52 Goals organized in hierarchical model

  • CMM has been reviewed by many software developers and has many successful applications

  • Training available from SEI and authorized distribution partners


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State of the Practices

  • In 1989, 90% of the organization assessed are at level one and only 1 at level 5

  • In 1999, >70 of the organization assessed are at level 4 or 5

  • Commercial Users: 60%

  • Government/Military Users: 40%


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Suggested Reading

  • Paulk Mark et al. 1995 The Capability Maturity Model: Guidance for Improving the Software Process

Questions ?


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