Datagram Transport Protocol mapping – OPC Unified Architecture

9.3.1 Datagram Transport Protocol mapping

9.3.1.1 DatagramConnectionTransportType

This ObjectType represents datagram transport protocol mapping specific parameters for a PubSubConnection. The DatagramConnectionTransportType is formally defined in Table 342.

Table 342 – DatagramConnectionTransportType definition

Attribute	Value
BrowseName	DatagramConnectionTransportType
IsAbstract	False

References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of ConnectionTransportType defined in 9.1.5.8.
HasComponent	Object	DiscoveryAddress		NetworkAddressType	Mandatory
HasProperty	Variable	DiscoveryAnnounceRate	UInt32	PropertyType	Optional
HasProperty	Variable	DiscoveryMaxMessageSize	UInt32	PropertyType	Optional
HasProperty	Variable	QosCategory	String	PropertyType	Optional
HasProperty	Variable	DatagramQos	QosDataType[]	PropertyType	Optional
Conformance Units
PubSub Model Datagram

The DiscoveryAddress is defined in 6.4.1.2.1.

The DiscoveryAnnounceRate is defined in 6.4.1.2.3.

The DiscoveryMaxMessageSize is defined in 6.4.1.2.4.

The QosCategory is defined in 6.4.1.2.5.

The DatagramQos is defined in 6.4.1.2.6.

9.3.1.2 DatagramWriterGroupTransportType

This ObjectType represents datagram transport protocol mapping specific parameters for a WriterGroup. The DatagramWriterGroupTransportType is formally defined in Table 346.

Table 343 – DatagramWriterGroupTransportType definition

Attribute	Value
BrowseName	DatagramWriterGroupTransportType
IsAbstract	False

References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of WriterGroupTransportType defined in 9.1.6.7.
HasProperty	Variable	MessageRepeatCount	Byte	PropertyType	Optional
HasProperty	Variable	MessageRepeatDelay	Duration	PropertyType	Optional
HasComponent	Object	Address		NetworkAddressType	Optional
HasProperty	Variable	QosCategory	String	PropertyType	Optional
HasProperty	Variable	DatagramQos	TransmitQosDataType[]	PropertyType	Optional
HasProperty	Variable	DiscoveryAnnounceRate	UInt32	PropertyType	Optional
HasProperty	Variable	Topic	String	PropertyType	Optional
Conformance Units
PubSub Model Datagram

The MessageRepeatCount is defined in 6.4.1.3.1.

The MessageRepeatDelay is defined in 6.4.1.3.2.

The Address is defined in 6.4.1.3.4. The abstract NetworkAddressType is defined in 9.1.5.3. The default type used for concrete instances is the NetworkAddressUrlType defined in 9.1.5.7. It represents the Address in the form of a URL String.

The QosCategory is defined in 6.4.1.3.5.

The DatagramQos is defined in 6.4.1.3.6.

The DiscoveryAnnounceRate is defined in 6.4.1.3.7

The Topic is defined in 6.4.1.3.8.

9.3.1.3 DatagramDataSetWriterTransportType

There is no datagram-specific transport protocol mapping parameter defined for the DataSetWriter.

9.3.1.4 DatagramDataSetReaderTransportType

This ObjectType represents datagram transport protocol mapping specific parameters for a DataSetReader. The DatagramDataSetReaderTransportType is formally defined in Table 344.

Table 344 – DatagramDataSetReaderTransportType definition

Attribute	Value
BrowseName	DatagramDataSetReaderTransportType
IsAbstract	False

References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of DataSetReaderTransportType defined in 9.1.8.3.
HasComponent	Object	Address		NetworkAddressType	Optional
HasProperty	Variable	QosCategory	String	PropertyType	Optional
HasProperty	Variable	DatagramQos	ReceiveQosDataType[]	PropertyType	Optional
HasProperty	Variable	Topic	String	PropertyType	Optional
Conformance Units
PubSub Model Datagram

The Address is defined in 6.4.1.6.1. The abstract NetworkAddressType is defined in 9.1.5.3. The default type used for concrete instances is the NetworkAddressUrlType defined in 9.1.5.7. It represents the Address in the form of a URL String.

The QosCategory is defined in 6.4.1.6.2.

The DatagramQos is defined in 6.4.1.6.3.

The Topic is defined in 6.4.1.6.4.