...
| Component | Single, large machine (1n) | Load Balanced Web Server (2n) | Dedicated Load Balancer (2n) |
|---|---|---|---|
| Load Balancer | Tier 1 | Tier 1 | Tier 1 |
| SSL | Tier 1 | Tier 1 | Tier 1 |
| Web Server (Apache, IIS, etc) | Tier 1 | Tier 21 | Tier 12 |
| Servlet Container (uPortal, SSP) | Tier 1 | Tier 2 | Tier 2 |
...