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URL:
www.opcfoundation.org
These interfaces provide the mechanisms for OPC
Clients to be notified of the occurrence of specified events and alarm
conditions. They also provide services that allow OPC Clients to determine the
events and conditions supported by an OPC Server, and to obtain their current
status. Events can consist of XML messages, thus OPC Alarming and Eventing can
provide a generic client/server oriented publish/subscribe API.
Keywords:
Computational VP, Widespread usage
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