Other multitier solutions

Other ways to use Informix® JDBC Driver in a multiple-tier environment are as follows:
Remote Method Invocation (RMI)
Informix JDBC Driver resides on an application server that is a middle tier between the Java™ applet or application and Informix database machines. An example of RMI is included with Informix JDBC Driver; see Sample code files, for details.
Other communication protocols, such as CORBA
Informix JDBC Driver resides on an application server that is a middle tier between the Java applet or application and Informix database computers.