Architectural data should come from the DM2 set that is the minimum needed for departmental decisions, be expressed through the conceptual and logical data models, and be exchanged in a specified form such as the Physical Exchange Specification or DM2-OWL. Tools should use the DM2 specifications so data can be integrated, reused and exchanged across the Department and with partners.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.