Authentication providers supported by ASP.NET- microsoft solution framework

Explain the authentication providers supported by ASP.NET - Forms, Passport and Windows

Authentication providers supported by ASP.Net are:

Forms: This allows custom user authentication for the business applications. One can store custom usernames and passwords in database and allow users to authenticate against that database to access the application. Ideal for internet based applications.

Passport: This mode allows users to access business applications using their Microsoft passport credentials. It is ideal for existing Microsoft website users.

Windows: This mode allows users to access the business application using their windows credentials. This mode is ideal for an intranet based application where organizations can access and work on an application based on their windows username and password.