OWIN (Open Web Interface for .NET)

OWIN (Open Web Interface for .NET)

ASP.NET MVC  and ASP.NET Core support the Open Web Interface for .NET (OWIN). OWIN is an interface between .NET web applications and web server. The main goal of the OWIN interface is to decouple the server and the applications. It acts as middleware.

ASP.NET MVC, ASP.NET applications using middleware can interoperate with OWIN-based applications, servers, and middleware. It helps develop different types of authentication methods.

With the help of we can use  Facebook, Google, and Microsoft Accounts, and Twitter authentications. It acts as a middleware for those authentication programs.