When an incident stops a CBS or network providing its intended service, it must fall back quickly enough to keep the ship safe to a stable, reasonably safe state, for example stopping or another safe state, disengaging, handing control to another system or a person, or other compensating actions, with this ability designed in by the supplier and integrator.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.