The mapping of MessageTypes to UADP NetworkMessage type and the reference to the detailed definition is listed in Table 152.
Table 152 – UADP MessageType mapping
|
MessageType |
UADP NetworkMessage type |
Specification Reference |
|
DataSetMessage |
DataSetMessage payload |
|
|
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.