Posted by: Anton
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Standards such as COM/DCOM, CORBA, EJB (Enterprise Java Beans),
and XML work to assure that applications can communicate easily.
Components written to the same standard can interoperate, but mixing
these technologies results in an environment that requires another level
of integration (usually more adapters). Microsoft’s COM allows two
applications running on the same computer to communicate easily, but
CORBA and EJB are better suited for applications operating on different
computers. While CORBA is a messaging specification, products that
implement it (object request brokers, such as BEA’s MessageQ and
IBM’s MQSeries) are not. Some variants of the standard may be more
difficult to implement than others, and most do not communicate freely