Glossary · Network operations vocabulary
Mean time to detect (MTTD)
Average elapsed time from the start of an incident to its detection.
In REAP
Industry average 41 minutes to detect a high-impact outage (New Relic (opens in a new tab), 2026 Observability Forecast (opens in a new tab)). In REAP, under 4 minutes to detect is a design target from REAP’s reference architecture until a pilot measures it against your baseline.
Source New Relic, 2026 Observability Forecast
Related terms
More in network operations vocabulary
- Alert noise
- Alert prioritization
- Change advisory board (CAB)
- Change management (change enablement)
- Change record
- Escalation rate
- Incident
- Incident management
- Mean time to resolve (MTTR)
- Multi-vendor estate
- Network automation
- P1 / P2 (high-impact incident)
- P50 / P95
- Problem management
- Redundancy compromised
- Repeat incident
- Tier-1 resolution
- Time to answer
- Tools per investigation
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