20 DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
2.1 Java 2 Enterprise Edition (J2EE) overview
The Java 2 platform Enterprise Edition (J2EE) specification is the standard and
the approach for developing, assembling, deploying, running and managing
multi-tier server-centric enterprise applications. It defines a set of coordinated
specifications that applies to all aspects of architecture and developing
large-scale applications. In general, J2EE encourages the adoption of a
multiple-tier architecture and a strict separation between business logic and the
presentation tier.
The standard architecture defined by the J2EE specification is composed of the
following elements:
Standard application model for developing multi-tier ...