7.3. IIOP
The Internet Inter-ORB Protocol (IIOP), is the protocol used by CORBA systems to call methods and pass the argument and returned data for those methods over the network. CORBA APIs, and with them IIOP, are available for many platforms and programming languages, including the Java programming language. This platform and language independence can be a significant benefit to using IIOP when connecting to legacy systems; however, if you have to install the IIOP support code onto the host of the legacy system, don't overlook the possibility of using RMI directly by installing a JVM on that host and using JNI, after all, the JVM is free and you're probably using it already in other parts of your system.
A substantial body of standard services ...
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