| TABLE 1: Cost Comparison for NLB and WLBS Deployments |
| Clustering Software |
OS |
Maximum RAM |
Supported Processors |
OS Cost |
Additional Software Cost |
Total Cost of Ownership (TCO) |
| WLBS on IIS 4.0 |
NTS/E |
4GB |
8 |
$1400 |
N/A |
$1400 |
| NLB on IIS 5.0 |
Win2K Server with Application Center |
4GB |
2 |
$830 |
$2700 |
$3530 |
| NLB on IIS 5.0 |
Win2K AS* |
8GB |
8 |
$3500 |
N/A |
$3500 |
| *An Internet Connector License is required if you're using Web authentication. The additional cost is $1500 per server. |