A high-level diagram that illustrates the different methods for integrating your applications with Oracle Identity Cloud Service.

On the left, a user is depicted with an icon. A user is connected by an arrow to a box in the middle labeled as Oracle Identity Cloud Service.

Within the Oracle Identity Cloud Service box, there are three icons arrayed one above the other. They are labeled, top to bottom, OpenID Connect (OIDC) protocol, Security Assertion Markup Language (SAML) protocol, and Secure Form Fill.

On the right, there are four boxes arrayed one above the other and each box labeled Application. At the bottom is an icon labeled Legacy Application. Within the first or the topmost Application box, there is an icon labeled software development kit (SDK). The icon in the second box is labeled OIDC. The icon in the third box is labeled SAML. The icon in the fourth and last box is labeled SAML Federation.

An arrow connects the icon labeled OpenID Connect (OIDC) protocol to application boxes labeled software development kit (SDK) and OIDC.

An arrow connects the icon labeled Security Assertion Markup Language (SAML) protocol to application boxes labeled SAML and SAML Federation.

An arrow connects the icon labeled Secure Form Fill to the icon labeled Legacy Application.