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ITU-T X.500 (10/2019)

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Information technology – Open Systems Interconnection – The Directory: Overview of concepts, models and services
Recommendation ITU-T X.500 | International Standard ISO/IEC 9594-1 introduces the concepts of the Directory and the DIB (Directory Information Base) and overviews the services and capabilities which they provide.
Citation: https://handle.itu.int/11.1002/1000/14031
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 9594-1 (Common)
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)
Development history
Ed. ITU-T Recommendation Status Summary Table of Contents Download
9 X.500 (10/2019) In force
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8 X.500 (10/2016) Superseded
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7 X.500 (10/2012) Superseded
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6 X.500 (11/2008) Superseded
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5 X.500 (08/2005) Superseded
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4 X.500 (02/2001) Superseded
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3.1 X.500 (1997) Amd. 1 (03/2000) Superseded
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3 X.500 (08/1997) Superseded
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2 X.500 (11/1993) Superseded - - here
1 X.500 (11/1988) Superseded -
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