Sun Java Enterprise System 2005Q4 Technical Overview.
Sun Java Communications Suite 5 Installation Guide describes the Communications Suite installer (and uninstaller) and the supported installation scenarios.
Sun Java Enterprise System 5 Release Notes for UNIX provide current information about the Sun Java Enterprise System product.
Sun Cluster Concepts Guide for Solaris OS provides a general background about Sun Cluster software, data services, and terminology resource types, resources, and resource groups.
Sun Cluster Data Services Planning and Administration Guide for Solaris OS provides general information on planning and administration of data services.
Sun Cluster System Administration Guide for Solaris OS provides the software procedures for administering a Sun Cluster configuration.
Sun Cluster Reference Manual for Solaris OS describes the commands and utilities available with the Sun Cluster software, including commands found only in the SUNWscman and SUNWccon packages.
Sun Java Communications Suite 5 Deployment Planning Guide provides further information about how HA is implemented in Instant Messaging.