3.7 Determining the load balancing method by the load-balancing cluster

This section describes the configuration used for load balancing by the load-balancing cluster.

Load balancing is implemented as explained below. The method that can be implemented depends on the type of access point component.

• Use a load balancer (in the case of servlet or JSP)

• Use a Naming Service (in the case of Session Bean or Entity Bean)

• Use CTM (for Stateless Session Bean)

There are two configurations in which the load balancer is used. One is a system configuration that uses Web server integration, and the other a system configuration that accesses the NIO HTTP server of the J2EE server directly without going through a Web server. Each of these configurations is described separately. For details about load balancing when the access point is a Message-driven Bean, see 3.8.4 Load balancing using the Message-driven Bean instance pool (when using TP1/Message Queue).

Organization of this section

• 3.7.1 Load balancing with a load balancer in case of Web server integration (in the case of servlet or JSP)

• 3.7.2 Load balancing with a load balancer when using the NIO HTTP server (when not going through a Web server)

• 3.7.3 Load balancing with the CORBA Naming Service (in the case of Session Beans and Entity Beans)

• 3.7.4 Load balancing when using CTM (for Stateless Session Bean)

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