OWIN is becoming popular and common. ASP.NET Developers will love OWIN and Katana as they fit into the whole wide web development.
OWIN stands for Open Web Interface for .NET. OWIN speficifically describes how a web development framework such as ASP.NET MVC should interact with web servers. Its goal is to decouple web applications from the web servers that support OWIN.
Katana is a set of components Microsoft built using OWIN specifications. Some of these components include ASP.NET Identity, SignalR, and Web API.
In this post, codeguru.com shows you how to use OWIN and Katana by developing a simple application.
Read the rest of the post here:Â http://www.codeguru.com/csharp/.net/net_asp/overview-of-owin-and-katana.htm