Requestor – OPC Unified Architecture - Part 14: PubSub

OPC Unified Architecture - Part 14: PubSub

v1.05.06

1Scope
2Normative references
3Terms, definitions and abbreviated terms
- 3.1Terms and definitions
- 3.2Abbreviated terms
4Overview
5PubSub Concepts
6PubSub communication parameters
7PubSub mappings
8PubSub Security Key Service model
9PubSub configuration model
Annex AHeader Layouts (Normative)
Annex BAdditional Transport Protocol Mappings (Informative)
Annex CClient Server vs. Publish Subscribe (Informative)

3.1.6 Requestor

an entity that initiates an Action by sending a request to a Responder

Note 1 to entry: The Requestor uses metadata provided by the Responder to build request messages (ActionRequest) and to parse response messages (ActionResponse).