Shared technology and dependencies come with organizational challenges. The greater the number of developers and teams, respectively, the bigger the impact of used technology and dependencies. Teams have to agree upon certain technology, used frameworks and libraries and versions thereof.

If a single teams want to change something in this graph of dependencies or some of the used technologies, this change requires a lot of coordination and overhead. Chapter 8, Microservices and System Architecture, covers this topic of sharing code and artifacts within several systems and whether this is advisable or not.