3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in OPC 10000-1, OPC 10000-3, and OPC 10000-4, as well as the following apply.

3.1.1 Action

an operation that is executed by a Responder when it receives a request message sent by a Requestor

Note 1 to entry:An Action is similar to a Method that can be invoked via PubSub.

3.1.2 DataSetClass

template declaring the content of a DataSet

Note 1 to entry:A DataSetClass is used to type DataSets for use in several Publishers and for filtering in Subscribers.

3.1.3 DataSetMetaData

data describing the content and semantic of a DataSet

3.1.4 DataSetReader

entity receiving DataSetMessages from a Message Oriented Middleware