The most manuals most likely to help you develop an installation plan are the following:
Sun Java Enterprise System 2005Q4 Technical Overview describes the Java ES components and the services they provide.
Sun Java Enterprise System 2005Q4 Deployment Planning Guide describes how business needs are analyzed to develop a deployment architecture.
Sun Java Enterprise System 2005Q4 Installation Guide for UNIX describes how to operate the Java ES installer.
Sun Java Enterprise System 2005Q4 Installation Reference includes a complete list of Java ES installer input values.
Deployment planning guides for individual components, such as Sun Java System Communications Services 6 2005Q4 Deployment Planning Guide contain detailed information about configuring the components.
The Sun Java Enterprise System 2005Q4 Documentation Roadmap describes the documentation for all Java Enterprise System components.
For a complete list of terms that are used in this documentation set, refer to the Sun Java Enterprise System Glossary.