offers clustering capabilities), and so on. The security and transactional management
operations can have a significant impact on the performance of method calls (on both
local and remote interfaces). If you require real-time or near-real-time performance
characteristics, EJB may not be your best choice.
3 Alternatives to EJB
There are several alternatives to EJB; some of them are growing in popularity and
maturity. EJBs still rank as the de facto standard for enterprise transactional needs,
but some of the alternatives, like JDO, are also available.
3.1 JDBC
3.2 Java Data Objects
3.3 Others
Castor JDO (http://www.exolab.org)
Hibernate (http://www.hibernate.org)
Prevayler (http://www.prevayler.org)
As you can see, there are several alternatives to EJB. If your application doesn't need
the complexity or some of the features of EJB, take a look around. Data persistence with
Java has been around for some time and there is a wide assortment of approaches.
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