These two categories are often used interchangeably, which causes real confusion during procurement — a hospital evaluating an "orchestration" tool may assume it also handles authorization, and vice versa. It usually doesn't.
The core distinction
Fleet orchestration answers: can this robot complete this task, and what's the most efficient way for it to get there? It handles routing, scheduling, traffic management between machines, and operational throughput.
Fleet governance answers a prior question: is this robot, from this vendor, allowed to do this task, in this zone, right now? It handles authorization, identity, policy enforcement, and institutional accountability.
A robot can be perfectly orchestrated — routed efficiently, scheduled without conflict — while still lacking any institutional authorization check on whether it should be doing the task at all.
Why the distinction matters in healthcare
Orchestration tools are typically vendor-specific or operate across a small set of tightly integrated systems, optimizing for efficiency within that scope. Governance is vendor-neutral by necessity — the entity being governed cannot credibly govern itself or a competing vendor's fleet, and no manufacturer has visibility across a rival's deployed robots. A hospital evaluating any robotics platform should ask which of these two problems it actually solves, since a strong orchestration product does not automatically provide governance, and treating the two as equivalent leaves a real institutional gap unaddressed.
A useful analogy
Air traffic control is a governance system — it decides which aircraft are cleared to be where, and enforces separation and safety rules across every airline operating in that airspace, regardless of carrier. An airline's own flight-scheduling software is orchestration — it optimizes that airline's own routes and crews. Neither replaces the other, and a hospital needs both, but they are not the same system.