Experiences during the introduction of CMMI

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• Experiences during the introduction of CMMI

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• Tibor Vida
• Technical department leader (Health Basis)
• SEPG leader

Evosoft Hungary Kft. One of the biggest
software companies in Hungary
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Contents

• History
• Background
• Preparation
• Appraisal
• Experiences
• Lessons learned
• Benefits
• Metrics

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Background

• Environment
• Huge project 500 people
• Supplier
• Medical software
• Quality system
• Strong processes

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History

• Siemens Process Assessment Public Questionaire
  (Mr. Betz, MED SW)
• 3 improvement projects to correct the L2 issues
• Siemens Interim Profile
  (Mr. Hertneck, Siemens CT SE3)
• 13 improvement projects to correct the L3 issues
• Siemens Process Assessment (Mr.
  Hertneck, Siemens CT SE3)

2000
2004
2006
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Preparation for L3

• Pre-check (SIP)
• SEPG initiated
• Improvement projects
• Gap analysis
• Change/optimize old processes
• Create new processes
• Trainings
• CMMI trainings for involved people
• QM system update trainings for everybody

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Before the deadline

• Delays in the introduction project
• Involvement of project leaders
• Doubts arised can we make it?
• External CMMI expert was invited
• It was very useful

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Appraisal

• Much easier than we thought
• Open discussions
• Very good and reasonable improvement ideas
• Positive feedback

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The Result

• Maturity level 3 reached
• Strengths and weaknesses analysis

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Lessons learned

• It takes time!
• CMMI talks only about what but not about how..
• Institutionalize processes
• Optimize new processes
• Preparation for the assessment itself is a huge
  effort.
• Dedicated people and effort
• Assign high priority for this project
• Assign the right people
• High level sponsorship is a must

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More Lessons learned

• Involve as many people as possible, training is
  not enough
• Involve people who are affected by changes
• Feel importance of changes
• Contribute ideas
• Do not be too demanding
• Bring up creativity

• Review processes with somebody outside the
  organization

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More Lessons learned

• Self confidence
• If you think you do it well, believe it, there
  can be exceptions
• It is not an exam, you cannot fail (but the
  management will not accept this)
• Prepare for the interviews
• Proactive communication is needed
• Ask questions
• Supplier
• Part of a bigger project?

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Forces against you

• Lack of understanding
• Lack of trust
• Doubts
• Too many rules, bureaucracy?
• Too many documents?
• Too expensive
• Customer needs

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Benefits

• Easier and more accurate project control
• Better effort estimation
• Efficiency
• Increased productivity
• Lower risks
• Cost reduction

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Metrics

• Change in rejection of bug fixes

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Metrics

• Change in testers productivity

588
265
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Metrics

• Change in defect detection percentage

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Unexpected benefits

• Change of thinking
• High involvement, people want to improve their
  work
• Better understanding for everybody
• Hungarian specialty WHY is it good for us?
• A lot of new ideas

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Contact

• Tibor Vida
• evosoft Hungary Kft.
• Kaposvár u. 14-18.
• H 1117 Budapest
• Tel [phone]
• Fax [phone]
• www.evosoft.hu