For the purposes of this document, the terms and definitions given in OPC 10000-1, OPC 10000-3, OPC 10000-4, OPC 10000-5, OPC 10000-7, OPC 10000-8, OPC 10000-14, OPC 10000-17, OPC 10000-18, OPC 10000-80, OPC 10000-100, OPC 10000-110 as well as the following apply.

All used terms are italicized in the specification as described in OPC 10000-1.

Server collecting information from underlying Servers and sourcing to higher-level Servers or applications

Note 1 to entry: AggregatingServers can add functionality to information that is collected as well as group or merge information.