Attributes consist of an Attribute type and one or more attribute values. Attribute and allocated value together form an Attribute-value-pair.<br><br>Characteristics for Attributes of a certain type are defined in the Global Attribute Definition. It contains rules for syntax and comparison and the number of values the Attribute can contain. The object class in which the Attribute is used decides whether the Attribute is obligatory or optional.<br><br>In addition to "normal" attributes, Directory Services also manage so called operational attributes, e.g. creatorsName, createTimestamp or modifyTimestamp.<br><br>Source:
Florian Löffler, SA: Entwicklung und Implementierung einer
Visualisierungslösung für LDAP Access Controls, Erlangen 2009.