Performance Indicators are often reported at the Resource Management layer in groups. A Performance Indicator Group is a set of performance indicators that are reported as a group by an Element Manager or a Network Element. Other common terms in the industry are Counter Set or Counter Group.<br/>A Performance Indicator Group Specification is the logical group of the Performance Indicator Specification objects that compose a Performance Indicator Group. The Performance Indicator Group Specification has a name (string) and it can (optionally) hold the individual performance indicator specification objects.<br/>The Performance Indicator Group and Performance Indicator Group Specification are shown in figure below.<br/>