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• ITU-T Rec. X.519 (11/1988) – THE DIRECTORY – PROTOCOL SPECIFICATIONS
• CONTENTS
• 0 Introduction
• 1 Scope
• 2 References
• 3 Definitions
  • 3.1 OSI Reference Model definitions
  • 3.2 Basic Directory definitions
  • 3.3 Distributed Operation definitions
• 4 Abbreviations
• 5 Conventions
• 6 Protocol Overview
  • 6.1 Directory Protocol Model
  • 6.2 Directory Access Protocol
  • 6.3 Directory System Protocol
  • 6.4 Use of Underlying Services
• 7 Directory Protocol Abstract Syntax
  • 7.1 Abstract Syntaxes
  • 7.2 Directory Application Service Elements
  • 7.3 Directory Application Contexts
  • 7.4 Errors
• 8 Mapping onto Used Services
  • 8.1 Mapping onto ACSE
  • 8.2 Mapping onto ROSE
• 9 Conformance
  • 9.1 Conformance by DUAs
  • 9.2 Conformance by DSAs
• ANNEX A – DAP in ASN.1
• ANNEX B – DSP in ASN.1
• ANNEX C – Reference definition of protocol object identifiers