INFRASTRUCTURE

RTO / RPO

Recovery Time Objective (how long to be back up) and Recovery Point Objective (how much data you can afford to lose). The two numbers that drive DR design.

IN PRACTICE

Most orgs say 'RTO 4 hours, RPO 15 minutes' until they see the price tag of synchronous replication. Honest BIA-driven numbers per app are worth more than aspirational ones.

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