Investigation Correspondence between CMMI-DEV and ISO/IEC 15504

CMMI and ISO/IEC 15504 are two main models for software process assessment and improvement. Both models have staged and continuous representations but these are different. Continuous representations of the models propose the different sets of processes (process areas). The differences of staged representations are even more essential. CMMI staged representation is based on the ideas of a classic staged maturity framework with 5 levels introduced by W. S. Humphrey back in 1988. ISO/IEC 15504, formerly known as SPICE, has promoted a continuous model for process capability assessment. However, not long ago SPICE community recognized the benefits of a staged representation. As a result, the organizational maturity framework with 6 maturity levels has been introduced in ISO/IEC 155047:2008. This paper investigates relationship between CMMI-DEV and ISO/IEC 15504 maturity levels and processes capability profiles. It presents the mapping approach and ISO/IEC 15504 processes capability profiles as well as maturity levels ensured by all CMMI maturity levels. Also reverse mapping is performed and CMMI processes capability profiles and maturity levels ensured by all ISO/IEC 15504 maturity levels are presented. Keywords—CMMI, ISO/IEC 15504, models mapping, organizational maturity, processes capability profile.