A multi-node Kubernetes cluster provides a very high level of resiliency, even when suffering a hardware failure. But, no matter how many redundant nodes are added to the cluster, if the data center hosting it is lost, then the software running on it will fail. In specialized environments it is important to architect a solution resilient to the loss of an entire data center.

There are two primary mechanisms for achieving this extreme level of resiliency. A more detailed description of these approaches is described in the Geographic Redundancy section.