Term Kind Topic What it is
Cloud Disaster Recovery practice Disaster Recovery Designing and rehearsing recovery from the loss of a zone, a region or a provider — where the plan is worth exactly as much as its last test.
Failback practice Disaster Recovery Returning to the primary region after a failover, including reconciling the data written while it was unavailable — the half of DR that is usually unplanned.
Warm Standby practice Disaster Recovery A continuously-replicated, scaled-down running copy of a system in a second location, ready to take traffic within minutes.