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What is the ORB?
The Object Request Broker (ORB) is the central component of CORBA. The ORB provides the
required infrastructure to identify and locate objects, handle connection management, deliver
data, and request communication.
A CORBA object never talks directly with another. Instead, the object makes requests through a
remote stub to the ORB running on the local machine. The local ORB then passes the request to
an ORB on the other machine using the Internet Inter-Orb Protocol (IIOP for short). The
remote ORB then locates the appropriate object, processes the request, and returns the results.
IIOP can be used as a Remote Method Invocation (RMI) protocol by applications or objects
using RMI-IIOP. Remote clients of enterprise beans (EJB modules) communicate with the
Enterprise Server via RMI-IIOP.
IIOP Listeners
An IIOP listener is a listen socket that accepts incoming connections from the remote clients of
enterprise beans and from other CORBA-based clients. Multiple IIOP listeners can be
congured for the Enterprise Server. For each listener, specify a port number, a network
address, and optionally, security attributes.
Conguring the ORB
To congure ORB, in the Admin Console, click the Conguration tab. Click the ORB tab
corresponding to the instance you want to congure.
Managing IIOP Listeners
To create, edit and delete IIOP listeners, click the Conguration tab in the Admin Console.
Click the ORB tab corresponding to the instance you want to congure. Select the IIOP
Listeners tab. For more detailed instructions, consult the Admin Console Online Help.
ConguringtheORB
SunGlassFishEnterpriseServer2.1AdministrationGuide • December2008162