Directory services

computer network protocol

directory service created by Microsoft for Windows domain networks

service that maps the names of network resources to their respective network addresses

OpenLDAP is a free, open-source implementation of the Lightweight Directory Access Protocol (LDAP) developed by the OpenLDAP Project. It is released under its own BSD-style license called the OpenLDAP Public License.

client–server directory service protocol for distributing system configuration data such as user and host names between computers on a computer network, developed by Sun Microsystems

directory service software

operating system mechanism

LDAP server software

Network operating system (obsoleted)

LDAP-compatible directory service for Mac OS X Server

A metadirectory system provides for the flow of data between one or more directory services and databases in order to maintain synchronization of that data. It is an important part of identity management systems. The data being synchronized typically are collections of entries that contain user profiles and possibly authentication or policy information. Most metadirectory deployments synchronize data into at least one LDAP-based directory server, to ensure that LDAP-based applications such as single sign-on and portal servers have access to recent data, even if the data is mastered in a non-LD

system in Microsoft Azure