Previous versions of ASP.NET had a very close relationship with Internet Information Services (IIS), Microsoft's flagship web server that ships with Windows. In fact, IIS was the only supported way to host ASP.NET.
Wanting to change this, Microsoft defined the Open Web Interface for .NET (OWIN) specification, which you can read about at http://owin.org. In a nutshell, it is the standard for decoupling server and application code, and for the execution pipeline for web requests. Because it is just a standard and knows nothing about the web server (if any), it can be used to extract its features.
.NET Core borrowed heavily from the OWIN specification. There are no more Global.asax, web.config, or machine.config configuration files, modules, or handlers. What we have is the following:
- The bootstrap code in Program.Main declares a class that contains a convention-defined method (Startup will be used if no class...
