Disaster Recovery Rating Definitions
| PRI | Definition | RTO | RPO |
| 1 | Critical systems whose failure will lead to imminent & severe consequences. (examples: data networks, network authentication, email routing, university web presence, medical records system) | 2 hours | 15 min |
| 2 | Systems that can endure a pause, but ONLY for a short time. (examples: facilities management systems, alumni development systems, research administration systems, student systems, library systems, courseware, reporting systems). | 24 hours | 0-15 min |
| 3 | Reserved for OIT | 24 hours | 0-15 min |
| 4 | Remaining production systems , protected only with nightly system backups | 30+ Days | 24 hours |
Business Criticality Definitions
| PRI | Name | Definition |
| P1 | Critical | 7 x 24 x 365 |
| P2 | Day Time Critical | 7 x 12 x 365 6am-6pm |
| P3 | Business Hours Critical | 5 x 12 x 365 6am-6pm |
| P4 | Extended Day Time Critical | 7 x 17 5AM - 10PM |