This figure shows the three dimensions of the Java ES solution architecture as represented by the three dimensions of a cube.
One dimension of the cube shows Infrastructure Service Dependencies from bottom to top, which are Platform Services, Middleware Services, and Application Services.
The second dimension of the cube shows Logical Tiers from left to right, which are the Cleint tier, Presentation tier, Business Service tier, and Data tier.
The third dimension of the cube shows Qualities of Service from front to back, which are Performance, Availability, Security, Scalability, and Serviceability.