Related link: http://www.theserverside.com/resources/article.jsp?l=RMI-IIOP

I have always held IIOP interoperability in Enterprise JavaBeans suspect. Having worked with CORBA before EJB, I know firsthand how difficult it is to make two different CORBA platforms interoperate. This article by Billy Newport exposes some of the problems with Java RMI-IIOP and explains why IIOP interoperability is difficult.