LDAP Schema definitions
n Objectclasses – A collection of attributes
which make up an objectclass
n Attributes – A description of the type of data
stored (e.g. givenName = cis / multiple)
n Standard & User defined. e.g. Object: person
vs. cernperson & Attribute: cn vs CCID.
n Inheritance from superior objectclass
n Multiple or single allowed attributes
n Require vs. Allowed attributes