RTO = Recovery Time Objective tells how quickly you will able to resume the normal operations back by connecting users to the data. This measurement is called RTO.
RPO = Recovery Point Objective describes the point until which data will be recovered when a disaster strikes. Generally the time between last backup and the event. It tells us how fresh or stale the data is.
These terminologies mostly are pertain to DR (Disaster Recovery) or backup solution. These measurements are mainly based on two things:
- The expected loss to the business with the objective.
- The cost of achieving the objective.