The pod knows where it is at all times. It knows this because it knows where it isn't. By subtracting where it is from where it isn't, or where it isn't from where it is (whichever is greater), it obtains a replicaset, or deployment. The Kubernetes subsystem uses deviations to generate corrective commands to drive the pod from a node where it is to a node where it isn't, and arriving at a node where it wasn't, it now is. Consequently, the node where it is, is now the node that it wasn't,...