• ICAO 9880 Part 4
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ICAO 9880 Part 4

  • Manual on Detailed Technical Specifications for the Aeronautical Telecommunication Network (ATN) using ISO/OSI Standards and Protocols - Part 4 - Directory Services, Security and Systems Management (Doc 9880 - Part 4 AN/466)
  • Report / Survey by International Civil Aviation Organization, 2010
  • Publisher: ICAO

$33.00$65.00


This manual contains the detailed technical specifications for the ATN based on relevant standards and protocols established for open systems interconnection (OSI) by the International Organization for Standardization (ISO) and the Telecommunication Standardization Sector of the International Telecommunication Union (ITU-T).

The ATN directory service (ATN DIR) application allows ATN users to obtain directory information about ATN users, applications and services participating in the ATN. The ATN DIR is composed of three parts: a directory information base, directory system agents (DSAs) and directory user agents (DUAs).

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