Since its advent, DevOps has been pitted against IT service management (ITSM) and its ITIL framework. Some say “ITIL is under siege,” some ask you to choose sides, while others frame them as complementary. What is true is that both DevOps and ITSM have fans and detractors, and each method can influence software delivery and overall corporate culture.

Source: How to solve the DevOps vs. ITSM culture clash | Opensource.com