The Capability Maturity Model (CMM) the first capability maturity model a way to develop and refine an organization's processes. The first CMM was for the purpose of developing and refining software development processes.
There are 18 KPAs in CMM model intially. The Capability Maturity Model for Software has been retired and CMMI replaces it. The SEI no longer maintains the SW-CMM model its associated appraisal methods or training materials nor does the SEI offer SW-CMM training.
Capability Maturity Model Integration (CMMI) is a process improvement approach that provides organizations with the essential elements of effective processes. It can be used to guide process improvement across a project a division or an entire organization.
The capability or maturity levels for the company depends on the type of Representation you ar following:
Comparison of Capability and Maturity Levels
Continuous Representation Capability Levels
Level 0 - Incomplete
Level 1 - Performed
Level 2 - Managed
Level 3 - Defined
Level 4 - Quantitatively Managed
Level 5 - Optimizing
Staged Representation Maturity Levels
Level 0 - N/A
Level 1 - Initial
Level 2 - Managed
Level 3 - Defined
Level 4 - Quantitatively Managed
Level 5 - Optimizing
As per new version CMMi ver. 1.2 released by SEI there are 22 Process
Areas altogether in different levels.
