However, while inter-team communication and dependencies were greatly reduced with teams working on intra-subsystem features, someone still had to keep oversight of the system as a whole and ensure subsystems integrated and interacted according to the desired user experience, performance, and reliability. Therefore, specific roles were created, such as system architects, system owners, or integration leads. Crucially, people in these roles work across the entire project/organization sort of like “communication conduits,” with direct and frequent interaction with feature teams.
