LDAP is an abbreviation for lightweight directory access protocol. In fact, it is a directory service. It is similar to the directory we used in the file system, similar to our phone number book, DNS (Domain) Name service, other network directories. LDAP is a special database. But LDAP and general databases understand that this is important. LDAP optimizes the query, which is excellent in reading performance than write performance than LDAP. Generally, what kind of service is available in the directory service? It is usually returned to a certain information based on the query.
LDAP needs to be installed separately, and even there is a dedicated LDAP server.
