It is possible to combine several types of directories to connect to a platform: CAS, LDAP, OpenID, SAML, etc., in order to simplify user and access management. For example, a platform can use a central directory for basic user information and then use specific directories for additional information, such as access rights or professional profiles.
This approach reduces the number of directories to manage, which can simplify platform administration. It also improves the consistency of user information, as all information is stored in one place.