Sun Java Enterprise System 5 Update 1 Upgrade Guide for Microsoft Windows

Release Delivery Formats

The following table shows the delivery formats of the releases within the Java ES release model shown in Figure 1–1.

Table 1–3 Characteristics of Java ES Release Types

Release Type 

Delivery Format 

Suitable For 

Feature Release 

Available as a full distribution that contains new component packages that are generally installed using the Java ES installer. 

Installation by new Java ES users and feature upgrades from previous release families. 

Update Release 

Available as a full distribution and also as a corresponding accumulated patch cluster. (The accumulated patch cluster supports in-place maintenance upgrades within the current release family.) 

Installation by new Java ES users, feature upgrades from previous release families, and maintenance upgrades from within the current release family. 

Accumulated Patch Cluster 

Available as a set of individual component patches, each of which accumulates previous sustaining patches. Patches can be applied in-place without requiring reconfiguration or migration of component data. 

Maintenance upgrades from a feature release, update release, or previous individual component release within the current release family.