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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Glossary

This appendix lists new or uncommon terms used throughout this book and provides a brief definition.

3-Tier

The 3-tier model for enterprise applications, as used by J2EE, that splits the application functionality into three parts: presentation, business, and integration. Components that deliver these three types of functionality will typically live on their own tier of servers, so that the three types of functionality are physically as well as logically separated.

See also [n-tier]
Active Directory

Active Directory is Microsoft's directory service, first delivered as part of Microsoft Windows 2000.

ANSI

The American National Standards Institute is a private, non-profit organization that administers and coordinates the U.S. voluntary ...

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