11.7. CERN's Experience
The EDH application has been running using an EJB-style component model since November 1998 (already old in terms of Java technology!). This design strategy has been extremely positive. The well-defined and relatively simple structure makes the architecture very effective for developing a variety of e-business applications.
CERN's experience with Oracle's EJB container has been reasonably successful. Although, the dream of complete application-server independence is tantalizingly close, most EJB containers still have some way to go before an application can be moved from one to another without modification.
Once the relatively minor incompatibilities have been resolved, application developers will be able to choose an ...
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