Owin, Katana

http://owin.org/

https://habrahabr.ru/post/202018/

http://www.asp.net/aspnet/overview/owin-and-katana/getting-started-with-owin-and-katana

http://metanit.com/sharp/mvc5/11.1.php

http://odetocode.com/blogs/scott/archive/2014/02/10/building-a-simple-file-server-with-owin-and-katana.aspx