Network Management Tasks 2 continued...
Testing and problem management group diagnoses and fixes the problem
Measures:
- mean time to diagnose (MTTD)
- mean time to respond (MTTR)
- mean time to fix (MTTF)
- mean time to repair = MTTD+MTTR+MTTF
Other things to measure:
- Mean time between failures
- Network availability (% of time)
- downtime (faults + routine maintenance + upgrades)