This chapter will provide an overview of what is coming up later in the book. It will talk about cheap $5/month web hosts, versus slightly more powerful Virtual Private Servers, versus dedicated servers and server farms. It will collect together network diagrams for the various configurations, and point to later chapters where the various features are more fully explained.

1. Bargain Basement Hosting
   1. Advantages
   2. Squeezing Water From A Rock
   3. Development and Testing
   4. Outgrowing Your Host
   5. Diagram
2. Virtual Private Servers
   1. Advantages
   2. What Is Virtualization?
   3. Competing For Resources
   4. Outgrowing Your Host
   5. Diagram
3. Multiple Installations versus Multi-site Installations
   1. Advantages
   2. Security Considerations
   3. Diagrams
4. Dedicated Hosting
   1. Single Server
   2. Multiple Servers
   3. Sharing Files And File Systems
   4. Load Balancers
   5. High Availability
   6. Scaling Up vs. Scaling Out
   7. Caching
   8. Network Diagrams