See the entire IIS Architecture and components tutorial at :

In the final part of the video series I explore the request flow process for requests coming into IIS and aimed at web pages. I look at how the application binaries are dynamically compiled and then how an HTML response is generated and sent back to the requesting client

Don't forget to have a look at the first video of the series that deals with the general architecture of IIS. You can view the video here: and also have a look at the second video dealing with w3wp.exe process architecture:

By Paul Cociuba