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ITU-T X.521 (10/2019)

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Information technology – Open Systems Interconnection – The Directory: Selected object classes
Recommendation ITU-T X.521 | ISO/IEC 9594-7 defines a number of selected object classes and name forms which may be found useful across a range of applications of the Directory. An object class definition specifies the attribute types which are relevant to the objects of that class. A name form definition specifies the attributes to be used in forming names for the objects of a given class.
Citation: https://handle.itu.int/11.1002/1000/14038
Series title: X series: Data networks, open system communications and security
  X.500-X.599: Directory
Approval date: 2019-10-14
Identical standard:ISO/IEC 9594-7 (Common)
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)
Development history