CONTENTS

Introduction       
 1     Scope
 2     Normative references
        2.1     Identical Recommendations | International Standards
        2.2     Paired Recommendations | International Standards equivalent in technical content
        2.3     ISO/IEC Standards
        2.4     Other references
 3     Definitions
        3.1     OSI Reference Model Definitions
        3.2     Remote Operations Definitions
        3.3     Basic Directory Definitions
        3.4     Distributed Operation Definitions
        3.5     Upper layer security definitions
 4     Abbreviations
 5     Conventions
 6     OSI protocol overview
        6.1     Remote Operations – Specification and OSI Realization
        6.2     Directory ROS-Objects and Contracts
        6.3     DAP Contract and Packages
        6.4     DSP Contract and Packages
        6.5     DISP Contracts and Packages
        6.6     DOP Contract and Packages
        6.7     Use of underlying services
 7     Directory protocol OSI abstract syntax
        7.1     Abstract syntaxes
        7.2     Directory application contexts
        7.3     Operation Codes
        7.4     Error Codes
 8     Directory protocol mapping onto OSI services
        8.1     Application contexts omitting RTSE
        8.2     Application contexts including RTSE
 9     IDM protocol
        9.1     IDM-PDUs
        9.2     Use of OPERATION and ERROR classes
        9.3     Sequencing requirements
        9.4     Protocols
        9.5     Reject reasons
        9.6     Abort reasons
        9.7     Mapping onto TCP/IP
        9.8     Addressing
10     Directory protocol mapping onto the IDM protocol
       10.1     DAP-IP Protocol
       10.2     DSP-IP Protocol
       10.3     DISP-IP Protocol
       10.4     DOP-IP Protocol
11     Protocol stack coexistence
       11.1     Coexistence between OSI and IDM stacks
       11.2     Coexistence in the presence of LDAP
       11.3     Defining an NSAP format for LDAP
12     Versions and the rules for extensibility
       12.1     DUA to DSA
       12.2     DSA to DSA
       12.3     Rules of extensibility for object classes
       12.4     Rules of extensibility for user attribute types
13     Conformance
       13.1     Conformance by DUAs
       13.2     Conformance by DSAs
       13.3     Conformance by a shadow supplier
       13.4     Conformance by a shadow consumer
Annex A – DAP in ASN.1
Annex B – DSP in ASN.1
Annex C – DISP in ASN.1
Annex D – DOP in ASN.1
Annex E – IDM Protocol in ASN.1
Annex F – Directory IDM Protocols in ASN.1
Annex G – Reference definition of protocol object identifiers
Annex H – Directory operational binding types
Annex I – Amendments and corrigenda