There are always interdependent units and I think the main issue is when we broke down those units into smaller tasks and then transfer the individual task to b

There are always interdependent units and I think the main issue is when we broke down those units into smaller tasks and then transfer the individual task to be implemented in isolation. There should always be someone that own that unit as a whole even if his job is only to answer architectural questions. A unit is assigned to one team (ad hoc or fixed) and a person (if the members count is greater than 3) is directing the implementation. I still think that the team layout in The Mythical Man month is one of the best for software projects.