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ITU-T X.500 (10/2016)

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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:	http://handle.itu.int/11.1002/1000/13029
Approval date:	2016-10-14
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

EditionsRelated supplement(s)Implementer's guide(s)

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
8	X.500 (10/2016)	In force	here	here	here
7	X.500 (10/2012)	Superseded	here	here	here
6	X.500 (11/2008)	Superseded	here	here	here
5	X.500 (08/2005)	Superseded	here	here	here
4	X.500 (02/2001)	Superseded	here	here	here
3.1	X.500 (1997) Amd. 1 (03/2000)	Superseded	here	-	here
3	X.500 (08/1997)	Superseded	here	here	here
2	X.500 (11/1993)	Superseded	-	-	here
1	X.500 (11/1988)	Superseded	-	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
X Suppl. 34 (01/2019)	Code of practice for information security control base on ITU-T X.1051 for Malaysian telecommunications organizations information and network security management	In force	here	-	here

Title	Approved on	Download
Directory Implementers' Guide for ITU-T X.500-series - Version 15, August 2001	2001-09-07	here
Directory Implementers' Guide for ITU-T X.500-series - Version 14, March 2001	2001-03-01	here