Спрощена служба каталогів AD LDS(A Lightweight Directory Access Protocol (LDAP) directory service that provides flexible support for directory-enabled applications, without the restrictions of Active Directory Domain Services (AD DS))
полегшений протокол доступу до каталогів(The primary access protocol for Active Directory. LDAP is an industry-standard protocol, established by the Internet Engineering Task Force (IETF), that allows users to query and update information in a directory service. Active Directory supports both LDAP version 2 and LDAP version 3)