IT infrastructure

backup vs disaster recovery vs high availability a blank signpost two arrow boards

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.

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azure landing zone implementation checklist a cube on round landing pad

Azure Landing Zone Checklist: Proven Steps to Avoid Risk

An Azure landing zone is the set of decisions you make once and live with for a decade: the tenant, the management group hierarchy, the identity model, the network topology, the policy baseline and the way workloads get their own subscriptions. Get them roughly right and every project afterwards is faster. Get them wrong and you pay for it in a remediation programme two years later. This checklist walks the implementation in order, explains which decisions are expensive to reverse, compares the deployment paths, and sets out what the build realistically costs in money, effort and elapsed time.

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