CMMI FAQs

What you’ll see:

• Subsystems don’t operate together
• Increased integration/test time
• Building test harnesses/procedures/etc late in the project
• Integration environment is inadequate to support the integration activities.

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What you’ll see:

• Less than optimal solution is “settled on”
• Products that don’t meet technical performance requirements and/or user needs
• Increased testing/rework to resolve design/architecture issues
• Customer is surprised at the solution that resulted from their requirements

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Symptoms:-

• Sub-optimal Supplier selection– not based on the right criteria
• Integration of supplier products into product baseline is problematic
• Management and technical staff do not have insight into supplier’s activities
• Supplier issues are not covered in a timely manner
• Supplier products are accepted even when they don’t meet the product requirements

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What you’ll see:

• Measurements unknowingly used inappropriately/ out of context
• Management by perception/judgment vs. by fact
• Measurement presentations being used to confuse rather than enlighten
• Useless measures being collected

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What you’ll see:

• No assurance is available that quality standards are followed or achieved
• Poor quality work products being produced
• Ineffective processes that staff avoid using
• No accountability for not following process or meeting standards
• Significant project issues are not escalated for management attention.

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First of all let me make one clarification to your query. There is no such thing as a CMMI certification. What an organization receives are the results of a SCAMPI A appraisal that indicate the Maturity Level of the organization on the day the appraisal concludes. The organization is not certified. And there is no such thing as an SEI certification body anywhere in the world. What do exist are authorized SEI partners that are allowed to provide CMMI consulting, training, and appraisal services. Visit this web site http://partner-directory.sei.cmu.edu/ and you will be able to find the SEI-authorized partners in India. » Read more

To better understand the concept of a Process Performance Model (PPM), it helps to have a little background about both Process Performance Baselines (PPBs) and PPMs. Both are based on the historical process data that the organization has been collected and analyzing. The CMMI definition of a PPB is a documented characterization of the actual results achieved by following a process, which is used as a benchmark for comparing actual process performance against expected process performance. In other words, the historical process data, when analyzed, will indicate how the process has behaved in the past and the expected range of the process performance. We can able the predict the productivity, defects etc.

The CMMI is not a software only model. By the end of this year, the SEI will have released three CMMI constellations: CMMI for Development, CMMI for Acquisition, and CMMI for Services. The Development and Acquisition constellations are currently available, the Services constellation is due to be released this Fall. The CMMI for Development (CMMI-DEV) covers hardware, software, and systems engineering and so it will apply to systems integration companies as you have defined the term.