Passport Authentication

Passport authentication is a centralized, single sign-on authentication service provided by Microsoft. At present a large number of Internet users use Microsoft services such as MSN or Hotmail. They submit their profiles during the registration process in those Microsoft services. The real benefit is that you can utilize the user profile data in your Web sites if you implement passport authentication in your site. That is, information about the user is accessible to your application through a profile that is stored with Microsoft. Many companies, such as McAfee.com and eBay, employ Passport authentication in their Web sites. The benefit of Passport authentication is that the user doesn't have to remember separate usernames ...

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