UABrokerTransportQualityOfService Enumeration

Defines the quality of service for broker transport.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ComVisibleAttribute(True)>
<DisplayName2Attribute("OPC UA Broker Transport Quality Of Service")>
<GuidAttribute("0C5F14F1-C977-42C8-A51E-900405D50F89")>
Public Enum UABrokerTransportQualityOfService 
   Inherits System.Enum
   Implements System.IComparable, System.IConvertible, System.IFormattable

'Usage
 
Dim instance As UABrokerTransportQualityOfService

[ComVisible(true)]
[DisplayName2("OPC UA Broker Transport Quality Of Service")]
[Guid("0C5F14F1-C977-42C8-A51E-900405D50F89")]
public enum UABrokerTransportQualityOfService : System.Enum, System.IComparable, System.IConvertible, System.IFormattable

[ComVisible(true)]
[DisplayName2("OPC UA Broker Transport Quality Of Service")]
[Guid("0C5F14F1-C977-42C8-A51E-900405D50F89")]
public enum class UABrokerTransportQualityOfService : public System.Enum, System.IComparable, System.IConvertible, System.IFormattable

Members

Member	Value	Description
AtLeastOnce	2	The transport guarantees that the message shall be delivered at least once, but duplication is possible. Remarks: Readers must de-duplicate based on message id or sequence number.
AtMostOnce	3	The transport guarantees that the message shall be sent once, but if it is lost it is not sent again.
BestEffort	1	The transport shall make the best effort to deliver a message. Remarks: In worst case, this means that data loss or data duplication are possible.
ExactlyOnce	4	The transport handshake guarantees that the message shall be delivered to the broker exactly once and not more or less.
NotSpecified	0	The value is not specified and the value of the parent object shall be used.

Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         OpcLabs.EasyOpc.UA.PubSub.Configuration.UABrokerTransportQualityOfService

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

OpcLabs.EasyOpc.UA.PubSub.Configuration Namespace

Send Documentation Feedback. Technical Support