D.1.3 PubSub AliasName Notification Configuration

The setting for a PubSub AliasName Publisher are fixed as defined in D.2. Only the following items can be changed as part of configuring the Publisher.

See OPC 10000-14 for additional details on data key frames, data delta frame,PublishingIntervals and security settings.

PublishingInterval that is defined for the published messages.

The KeyFrameCount that is defined for the published messages. It is the multiplier of the PublishingInterval that defines the maximum number of times the PublishingInterval expires before a data key frame message is sent.

The KeepAliveTime that is defined for the published messages. It is the rate at which an empty message is sent, if no data messages are published.

The SecurityMode that is associated with the published messages. It is the type of security (None, Sign, SignAndEncrypt) assigned to the messages.

The SecurityGroupId that is associated with the published messages. It is the unique identifier for a SecurityGroup within an SKS.

The SecurityKeyServices that is associated with the published messages.

The Address that is associated with the published messages. It defines a multi-cast address to which all publish messages shall be directed. This can be configured to allow subsets of Servers to direct the notification message to a specific GDS or aggregating Server.

The Enabled that is associated with the PubSubConnection for the published messages. This flag can be used to enable the Servers AliasName PubSub Notifications feature.

A Server that supports this feature would typically have this feature pre-configured, allowing notification to begin on startup of the Server.