Backup vs Disaster Recovery: Simple Guide to Avoid Downtime
Backup, disaster recovery and high availability get used as though they were interchangeable, and they are not. A backup is a copy of your data you can go back to. Disaster recovery is the plan and environment that get a service running again somewhere else. High availability is the redundancy that stops a component failure becoming an outage at all. This guide sets out what each layer really protects against, where backup and disaster recovery genuinely diverge, how RTO and RPO drive the whole decision, what the three approaches cost a UK business in practice, how ransomware has changed the arithmetic, and a five-step framework for deciding which workload deserves which layer.
