IDF (Identity Federation) is an architecture where the identities of an external identity provider (IDP) are recognized.
Types of IDF
- Cross-account roles: A remote account is allowed to assume a role and access your account’s resources,
- SAML 2.0 IDF: It allows users of SAMAL compatible system such as Active Directory (AD) to log in to the AWS services.
- Web Identity Federation: External web-based IDPs (Google, Facebook) are allowed to assume roles.