Business Tier Design Considerations
When developers apply the business tier and integration tier patterns that appear in the catalog in this book, there may be adjunct design issues about which they may be concerned. These issues relate to designing with patterns at a variety of levels, and they may affect numerous aspects of a system. We discuss these issues in this chapter.
The discussions in this chapter simply describe each issue as a design issue that you should consider when implementing systems based on the J2EE pattern catalog.
Using Session Beans
Session beans are distributed business components with the following characteristics, per the EJB specification:
A session bean is dedicated to a single client or user.
A session bean lives only ...
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