7.2.4.2 MessageType mapping
The mapping of MessageTypes to UADP NetworkMessage type and the reference to the detailed definition is listed in Table 153.
| MessageType | UADP NetworkMessage type | Specification Reference |
|---|---|---|
| DataSetMessage | DataSetMessage payload | Defined in 7.2.5.3 and 7.2.5.4. |
| DataSetMetaData | Discovery DataSetMetaData announce | Defined in 7.2.4.6.4. |
| ApplicationDescription | Discovery Application description announce | Defined in 7.2.4.6.5. |
| ServerEndpoints | Discovery Publisher Endpoints announce | Defined in 7.2.4.6.6. |
| Status | Discovery status announce | Defined in 7.2.4.6.7. |
| PubSubConnection | Discovery PubSubConnection configuration announce | Defined in 7.2.4.6.8. |
| ActionRequest | Action request message | Defined in 7.2.4.5.9. |
| ActionResponse | Action response message | Defined in 7.2.4.5.10. |
| ActionMetaData | Discovery ActionMetaData announce | Defined in 7.2.4.6.11. |
| ActionResponder | Discovery ActionResponder configuration announce | Defined in 7.2.4.6.10. |
The discovery announce messages are required to send discovery information from the Publishers to the Subcribers. The probe messages are used for broker-less transport protocols like UDP or a Message Oriented Middleware where retained messages are not available.