Can a SCAMPI appraisal cover just software engineering or just systems engineering?
Yes. CMMI models permit the flexible application of Engineering practices (i.e., those contained in the Requirements Management, Requirements Development, Technical Solution, Product Integration, Verification, and Validation process areas) to software engineering, systems engineering, or other product engineering functions. Each organization selects a CMMI model and the parts of the organization to participate in the process improvement program (i.e., the scope). The SCAMPI appraisal method can be used to perform discipline-specific appraisals by simply selecting the scope of the appraisal using the “organizational unit” concept and using the appropriate CMMI model. An organizational unit typically has an identifiable senior manager, deploys one or more processes that have a coherent process context, and operates within a coherent set of business objectives. An organizational unit is typically part of a larger organization, although in a small organization, the organizational unit may
