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  • Category: General

    What is the Meaning of CMM Level 1,2,3,4,5

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    What is the Meaning of CMM Level 1,2,3,4,5 , P -CMMLevel 5

    Tell me that meaning and Who is giving this certificate?

    plz give solution as earlier as possible

    with regards
  • #45221
    Any company which has been started new comes under CMMiLevel1 which says that they are not using any documents or following any processes.
    CMMi - means Capability Maturity Model integrated.
    Actually this certification is given by the Software Engineering Institute by USA.
    We can get certified by 2 ways
    1) Continous
    2) Staged.
    In continous, the people will evaluate the company in all the aspects. Quality, Customer report, document management, HR Management etc.
    When we go for staged, the certification is given only for one area. If you want to get certified for Quality you can only for that. That's what we call it as Staged.
    Totally there are 5 levels in certification. In CMM level 5 - 22 areas are there. In CMMi, there are 25 areas.If you want to be certified as CMM or CMMi level company, then you have documents specified in 22 or 25 areas. CMMi is newly introduced. So most of the companies will have CMM certification only and not the CMMi. Only few companies at present are CMMi level.
    Hope it gives you an idea.

    Brainstorming Guy aka Venkatarajan A

    Venkatarajan A


  • #45222
    Levels of the CMM
    (See chapter 2 of (March 2002 edition of CMMISM from SEI), page 11.)
    There are five levels of the CMM. According to the SEI,
    "Predictability, effectiveness, and control of an organization's software processes are believed to improve as the organization moves up these five levels. While not rigorous, the empirical evidence to date supports this belief."
    Level 1 - Initial
    At maturity level 1, processes are usually ad hoc and chaotic. The organization usually does not provide a stable environment. Success in these organizations depends on the competence and heroics of the people in the organization and not on the use of proven processes. In spite of this ad hoc, chaotic environment, maturity level 1 organizations often produce products and services that work; however, they frequently exceed the budget and schedule of their projects.
    Maturity level 1 organizations are characterized by a tendency to over commit, abandon processes in the time of crisis, and not be able to repeat their past successes again.
    Level 2 - Repeatable
    At maturity level 2, Software development successes are repeatable. The organization may use some basic project management to track cost and schedule.
    Process discipline helps ensure that existing practices are retained during times of stress. When these practices are in place, projects are performed and managed according to their documented plans.
    Project status and the delivery of services are visible to management at defined points (for example, at major milestones and at the completion of major tasks).
    Level 3 - Defined
    At maturity level 3, processes are well characterized and understood, and are described in standards, procedures, tools, and methods.
    The organization's set of standard processes, which is the basis for level 3, is established and improved over time. These standard processes are used to establish consistency across the organization. Projects establish their defined processes by the organization's set of standard processes according to tailoring guidelines.
    The organization's management establishes process objectives based on the organization's set of standard processes and ensures that these objectives are appropriately addressed.
    A critical distinction between level 2 and level 3 is the scope of standards, process descriptions, and procedures. At level 2, the standards, process descriptions, and procedures may be quite different in each specific instance of the process (for example, on a particular project). At level 3, the standards, process descriptions, and procedures for a project are tailored from the organization's set of standard processes to suit a particular project or organizational unit.
    Level 4 - Managed
    Using precise measurements, management can effectively control the software development effort. In particular, management can identify ways to adjust and adapt the process to particular projects without measurable losses of quality or deviations from specifications.
    Subprocesses are selected that significantly contribute to overall process performance. These selected subprocesses are controlled using statistical and other quantitative techniques.
    A critical distinction between maturity level 3 and maturity level 4 is the predictability of process performance. At maturity level 4, the performance of processes is controlled using statistical and other quantitative techniques, and is quantitatively predictable. At maturity level 3, processes are only qualitatively predictable.
    Level 5 - Optimizing
    Maturity level 5 focuses on continually improving process performance through both incremental and innovative technological improvements. Quantitative process-improvement objectives for the organization are established, continually revised to reflect changing business objectives, and used as criteria in managing process improvement. The effects of deployed process improvements are measured and evaluated against the quantitative process-improvement objectives. Both the defined processes and the organization's set of standard processes are targets of measurable improvement activities.
    Process improvements to address common causes of process variation and measurably improve the organization's processes are identified, evaluated, and deployed.
    Optimizing processes that are agile and innovative depends on the participation of an empowered workforce aligned with the business values and objectives of the organization. The organization's ability to rapidly respond to changes and opportunities is enhanced by finding ways to accelerate and share learning.
    A critical distinction between maturity level 4 and maturity level 5 is the type of process variation addressed. At maturity level 4, processes are concerned with addressing special causes of process variation and providing statistical predictability of the results. Though processes may produce predictable results, the results may be insufficient to achieve the established objectives. At maturity level 5, processes are concerned with addressing common causes of process variation and changing the process (that is, shifting the mean of the process performance) to improve process performance (while maintaining statistical probability) to achieve the established quantitative process-improvement objectives.

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