7. Capability Maturity Model Integration (CMMI) - tud.ttu.ee

CMMI Model RepresentationsStagedContinuousML5ML4ML3ML2ML 1OrganizationCapability0 1 2 3 4 5PA PA PAProcess43CMMI Model Representations• The Continuous Representation– The continuous representation isbased on process capability—therange of expected results that canbe achieved by following aprocess.– Process improvement ismeasured in capability levels thatrelate to the achievement ofspecific and generic goals in eachprocess area.– The continuous representationprovides flexibility fororganizations to choose whichprocesses to emphasize forimprovement, as well as howmuch to improve each process.– It enables selection of the orderof process improvement that bestmeets the organization’s businessobjectives and that most mitigatesrisk.• The Staged Representation– The staged representation is based onorganizational maturity—the combinedcapabilities of a set of relatedprocesses.– Organizational improvement ismeasured in maturity levels.– This representation has arecommended order for approachingprocess improvement, beginning withbasic management practices andprogressing along a proven path.• Equivalent Staging– Sometimes it may be desirable toconvert an organization’s capabilitylevel achievements into a maturitylevel.– This conversion is made possible by“equivalent staging.”– The CMMI model includes rules fordetermining which capability levelsmust be satisfied in each process areato achieve each maturity level.4422