When you look at business processes today, you are faced with two inescapable facts: First, the business process participants include both systems and people, and second, the business process design is so inextricably intertwined with the IT systems design that you cannot design them independently.
Taken together, these two facts argue for a comprehensive approach to architecture and design, one that encompasses both people and systems, and includes the processes that define their interactions and the information (and other artifacts) involved in the processes. We call this comprehensive approach total architecture (Figure 2-1).
Figure 2-1. Total Architecture Scope
Unfortunately, many project teams ...