Another name for another Oracle LDAP Directory Server.
Oracle Unified Directory (OUD)#"Oracle Unified Directory is an all-in-one Directory Service solution with Data Store, proxy, synchronization and virtualization capabilities. While unifying the approach, it provides all the services required for high-performance Enterprise and carrier-grade environments. Oracle Unified Directory ensures scalability to billions of entries, ease of installation, elastic deployments, enterprise manageability and effective monitoring.
Oracle Unified Directory is part of Oracle Directory Services Plus which provides comprehensive Directory Solutions for robust identity management deployments"
We believe this is another version of the OpenDS.