ISO/IEC TS 22237-31:2023

This document:
a)       defines metrics as key performance indicators (KPIs) for resilience, dependability, fault tolerance and availability tolerance for data centres;
b)       covers the data centre infrastructure (DCI) of power distribution and supply, and environmental control;
c)        can be referred to for covering further infrastructures, e.g. telecommunications cabling;
d)       defines the measurement and calculation of the KPIs and resilience levels (RLs);
e)       targets maintainability, recoverability and vulnerability;
f)         provides examples for calculating these KPIs for the purpose of analytical comparison of different DCIs.
This document does not apply to IT equipment, cloud services, software or business applications.