Demo Feed Handler Express Configuration

As part of the express installation, you can choose to configure the demo feed handler. You can identify multicast data channels and identify the JINI host server.

Demo feed handler configuration dialog 1

Demo feed handler sends multicast messages to subscribers over one or more data channels. Four channels are recommended for a system that handles 300,000 messages per second. Use this dialog to identify the data channels.

Demo feed handler dialog 1 configuration options

Field name

Default value

Description

Channel Name

Demo Channel 1

Identifies the data channel that demo feed handler uses to send messages to a subscriber. Use any value as the channel name.

Supply a channel name to any subsequent data channels you define. Assigning unique names to channels can help you track each one more easily in the event that an error is logged.

Local Interface

None

Identifies the IP address of the network interface to which this channel will be bound. This allows you to bind various data channels to separate network interfaces in order to enhance performance.


  • If you plan to install all publishers and subscribers on the same server, you must configure the local interface to use the loopback interface (127.0.0.1).

  • Use the local machine address of the secondary Ethernet network card installed by the system administrator, if you install publishers and subscribers on different servers.

Broadcast IP Address

224.0.2.0

Identifies the Class D multicast IP address that demo feed handler uses to send multicast messages to subscribers. This value should match the multicast address that the subscribers use to receive messages.

Although the installer assigns 224.0.2.0 as a default multicast IP address to all broadcast IP address fields, your network administrator can choose an alternate multicast address. All multicast IP addresses must range from 224.0.2.0 – 224.0.255.0.

Broadcast Port

3050

Identifies the local port on which this data channel will operate.

Publishers send multicast messages to a subscriber on multiple data channels. Data channels can share the same local interface and broadcast IP address values, but the broadcast port must be unique for each data channel.

Note:
After you define the first channel, do one of the following:
  • Click Next, making sure that "I would like to define another data channel" is selected.

  • Unselect "I would like to define another data channel", and click Next to display the next set of configuration options.

Demo feed handler configuration dialog 2

Installing Operations Console also installs a JINI server that tracks RAP components. This dialog prompts you for the JINI server host name, which is the same host machine where you install Operations Console. You must identify the JINI server host name to register demo feed handler with the JINI server.

Demo feed handler dialog 2 configuration options

Field name

Description

JINI Server Host Name

Identifies the host name of the server where the RAP JINI server resides. This is the machine on which Operations Console is installed.

Related concepts
Demo Feed Handler