“…Classification scheme 3.2. Question Q2: What type of research is carried out in the analyzed literature?The studies selected in this research can be divided into two categories: (i) studies with concrete proposals on the adoption of DevOps[17, 23, 40, 44-47, 49, 50, 56] and (ii) systematic reviews of literature[21,27,35,36,42,48,55,57]. Regarding the first category, it was found that 90% of the studies[17, 23, 40, 44-47, 49, 50] registered on the adoption of DevOps use case studies to validate their proposals, these Case studies have been carried out in a range of one to five years in their application depending on the size of the project.…”