A bus is a way of interconnecting machines so that they
can be treated as one logical entity. You must first add a bus before
you can add servers to
that bus.
About this task
Adding a bus is the first step in the procedure to create
a bus. Use the administrative console to complete the following steps.
Procedure
- In the navigation pane, click .
A list of buses is displayed in the content pane.
- In the content pane, click New.
- Specify a unique name for the bus in the Name field.
- Type a description for the bus in
the Description field.
The description is used for administrative purposes only.
- Specify the following properties for
the bus:
- Enable bus security
When bus security
is enabled, that is, when the Secure property is selected and global
security for the cell is also selected, access to the bus itself and
to all destinations on the bus must be authorized.
- Inter-engine authentication alias
- The name of the authentication alias used to authorize communication between messaging engines on the bus. This field can be left blank. If
a value is specified, and bus security is enabled, incoming connections
to the bus are controlled to prevent unauthorized clients or messaging
engines from establishing a connection.
- Mediations authentication alias
- The name of the authentication alias used to authorize mediations to access the bus.
- Inter-engine transport chain
- The transport chain used for communication between messaging engines in this bus.
The transport
chain must correspond to one of the transport chains defined in the
Messaging engine inbound transports settings for the server. All servers
automatically have a number of transport chains defined to them, and
it is also possible to create new transport chains.
The default
transport chain is InboundBasicMessaging.
- Discard messages
- Whether messages on a deleted message point should be retained at a system exception destination or can be discarded.
- Configuration reload enabled
- Select this option to enable certain changes to the bus configuration to be applied without requiring the messaging engines to be restarted. These changes are when destinations or mediations are
added to or removed from the bus. This option also controls whether
automatic updates occur on all the messaging engines on the bus.
- High message threshold
- A threshold above which the messaging system will take action to limit the addition of more messages to a message point. When a messaging engine is created on this bus, the value
of this property is used to set the default high message threshold
for the messaging engine.
- Click OK.
- Save your changes to the master configuration.
What to do next
You can now create a messaging engine, and a bus member.