Today there are many security models available for authentication and authorization. Identity federation is particularly common today to achieve Single Sign-On (SSO) and social login with popular platforms like Facebook and Twitter are prevalent. In this session we’ll focus on the value proposition of each protocol including WS-Federation, WS-Trust, SAML 2.0, OAuth 2 and Open ID Connect. We’ll look at how they work, architectural scenarios where each fit best, why some are more popular than others, and where we are heading.