Simple definition
The target time to return service to service after an incident.
Technical definition
The time objective measures the maximum duration of service between interruption and restoration to an acceptable level.
What is it used for ?
Dimensioning of recovery procedures, resources and technologies.
Practical example
If the RTO a Hostel is two hours, the restoration procedure must allow a return to service in this window.
Common issues
- RTO Unrealistic
- Restoration time never tested
- Confusion between availability and backup
Related terms
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.