ISO/IEC 30134-1:2016 specifies the following for the other parts of ISO/IEC 30134: a) a common structure; b) definitions, terminology and boundary conditions for KPIs of data centre resource usage effectiveness and efficiency; c) common requirements for KPIs of data centre resource usage effectiveness and efficiency; d) common objectives for KPIs of the data centre resource effectiveness and efficiency; e) general information regarding the use of KPIs of data centre resource usage effectiveness and efficiency.