The RequestedDeliveryGuaranteeparameter with DataType BrokerTransportQualityOfServicespecifies the delivery guarantees that shall apply to all NetworkMessagespublished by the WriterGroupunless otherwise specified on the DataSetWritertransport settings. The DataType BrokerTransportQualityOfServiceis defined in

The value NotSpecified_0 is not allowed on the WriterGroup. If the selected delivery guarantee cannot be applied, the WriterGroupshall set the state to Error_3.