How to manage a fleet of heterogeneous OpenShift clusters

Maintaining a fleet of thousands of Red Hat OpenShift clusters, as is typical in network far edge deployments, requires a disciplined and consistent approach to managing configuration. In an ideal world all of the clusters would be running the same versions of software from the OpenShift Container Platform through application workload. In reality, however, the fleet of clusters will contain a mix of software versions due to phased rollouts, regional differences, or other operational requirements...