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1 relationships between key terms.
Introduction n 9
Figure 1.2 shows the relative timeline for the primary models directly influencing
the CMMI. It may be of interest to note that, as shown, the SECM is actually
an integrated model in its own right; that is, an integration of two systems engineering
models (the SE-CMM and SECAM) as shown by the two arrows coming
into SECM. CMMI version 1.1 was most directly influenced by CMM v2.0c
for software, SECM for systems engineering, SA-CMM for acquisition, and IPDCMM
for integrated teaming. Of course, CMMI version 1.2 was most directly
influenced by CMMI version 1.1.
Some organizations that wanted to use this collection of models were confused
because each model was slightly different. The new model??”CMMI??”is designed
to integrate the plethora of models created throughout the years by the Software
Engineering Institute (SEI) and other organizations. The idea of reconciling these
models with other methodologies and standards??”ISO 9001 and 15504, among
others??”was introduced.


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