The Enterprise Canvas provides a kind of idealized view of the services of which the enterprise is composed, what each service does, and how they interconnect. In the real world, of course, few things match up exactly to that nominal ideal. In the upper layers of abstraction – above Row-3, Service Model – this should not matter at all; in fact most of the time there we should take some care to avoid paying too much attention to how things will work out in practice, or, especially, to what already exists.
As we ...