1. Servers Options Put all services on one server, or
One server per service, or
In-Between solutions

2. Servers Option: Put All Services on One Server
Cheapest for small organizations

3. Servers Option: One Service Application per Server
Can optimize hardware for application
More reliable, because a crashing service does not crash others
Security: users cannot log into one service, switch to another easily

4. Servers
Option: Hybrid with Some Servers Offering One Service, Others Offering Several
Distribute services in ways that make sense for the services, organization size, etc.

5. Servers Cost (Which is Cheapest?) Difficult to know
For small organization, most or all services on one usually is cheapest
For larger organizations, optimization through multiple servers often minimizes costs