This document:

a) describes the general principles for data centres upon which the requirements of the ISO/IEC22237 series are based;

b) defines the common aspects of data centres including terminology, parameters and reference models (functional elements and their accommodation) addressing both the size and complexity of their intended purpose;

c) describes general aspects of the facilities and infrastructures required to support data centres;

d) specifies a classification system, based upon the key criteria of °availability°, °security° and °energy-efficiency° over the planned lifetime of the data centre, for the provision of effective facilities and infrastructure;

e) details the issues to be addressed in a business risk and operating cost analysis enabling application of the classification of the data centre;

f) provides a reference to the operation and management of data centres.

The following topics are outside of the scope of the ISO/IEC°22237 series:

1)°°° the selection of information technology and network telecommunications equipment, software and associated configuration issues are outside the scope of this International Standard;

2)°°° quantitative analysis of overall service availability resulting from multi-site data centres;

3)°°° safety and electromagnetic compatibility (EMC) requirements (covered by other standards and regulations. However, information given in this document can be of assistance in meeting these standards and regulations).