The client-server model underpins LDAP Server. LDAP provides the directory, and clients access entries through the directory service. A directory's data can be distributed across multiple LDAP servers. With Docker, Jenkins, Kubernetes, Open VPN, and Linux Samba servers, an LDAP server can be used to validate usernames and passwords. System administrators can also utilize LDAP single sign-on to control access to an LDAP database. LDAP allows organizations to store, manage, and secure information about themselves, their users, and their assets. LDAP is compatible with most vendor directory services, including Active Directory (AD). LDAP makes sharing information about users, services, systems, networks, and applications from a directory service to other applications and services easier.