define:medium. You might want a reverse proxy for production web apps if you have an application on a few servers (where it also fills the role of load balancer

define:medium. You might want a reverse proxy for production web apps if you have an application on a few servers (where it also fills the role of load balancer), if you want to be able to serve stale content if your app servers go down, you want to use awesomeness that is ESI, and you don't want latency between your edge and your app servers for quick flow-through, if you want sticky sessions (ewwwww!), et cetera.