This is the second in the series of articles on authentication & SSO. The first one can be accessed here:
Back to Basics – Authentication & SSO
In this series we will look into the various protocols and mechanisms used for authentication. You might have heard of one or more or all of the following names:
WS-Federation, SAML, OAuth, Open ID, Open ID Connect etc.
Well, what exactly are these? At a high level all these are federated validation mechanisms. But why so many protocols? Let us start by looking at two veterans in this area – WS-Federation & SAML (Sorry Kerberos)