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• ITU-T Rec.X.521 (11/1988) – THE DIRECTORY – SELECTED OBJECT CLASSES
• CONTENTS
• 0 Introduction
• 1 Scope and field of application
• 2 References
• 3 Definitions and abbreviations
  • 3.1 OSI Reference Model Definitions
  • 3.2 Directory Model Definitions
• 4 Notation
• 5 Definition of Useful Attribute Sets
  • 5.1 Telecommunication Attribute Set
  • 5.2 Postal Attribute Set
  • 5.3 Locale Attribute Set
  • 5.4 Organizational Attribute Set
• 6 Definition of Selected Object Classes
  • 6.1 Top
  • 6.2 Alias
  • 6.3 Country
  • 6.4 Locality
  • 6.5 Organization
  • 6.6 Organizational Unit
  • 6.7 Person
  • 6.8 Organizational Person
  • 6.9 Organizational Rôle
  • 6.10 Group of Names
  • 6.11 Residential Person
  • 6.12 Application Process
  • 6.13 Application Entity
  • 6.14 DSA
  • 6.15 Device
  • 6.16 Strong Authentication User
  • 6.17 Certification Authority
• ANNEX A – Selected Object Classes in ASN.1
• ANNEX B – Suggested Name Forms and DIT Structures
• B.1 Country
• B.2 Organization
• B.3 Locality
• B.4 Organizational Unit
• B.5 Organizational Person
• B.6 Organizational Rôle
• B.7 Group of Names
• B.8 Residential Person
• B.9 Application Entity
• B.10 Device
• B.11 Application Process