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ITU-T X.501 (10/2016)

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Information technology – Open Systems Interconnection – The Directory: Models
Recommendation ITU-T X.501 | ISO/IEC 9594-2 provides a number of different models for the Directory as a framework for the other Recommendations in the ITU-T X.500-series. The models are the overall (functional) model, the administrative authority model, generic Directory Information models providing Directory User and Administrative User views on Directory information, generic Directory System Agent (DSA) and DSA information models and operational framework, and a security model.
Citation: http://handle.itu.int/11.1002/1000/13030
Approval date: 2016-10-14
Identical standard:ISO/IEC 9594-2:2017 (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
8 X.501 (10/2016) In force
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7 X.501 (10/2012) Superseded
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6.3 X.501 (2008) Cor. 3 (10/2012) Superseded - - here
6.2 X.501 (2008) Cor. 2 (04/2012) Superseded - - here
6.1 X.501 (2008) Cor. 1 (02/2011) Superseded -
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6 X.501 (11/2008) Superseded
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5.4 X.501 (2005) Cor. 4 (04/2012) Superseded - - here
5.3 X.501 (2005) Cor. 3 (02/2011) Superseded -
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5.2 X.501 (2005) Cor. 2 (11/2008) Superseded - - here
5.1 X.501 (2005) Cor. 1 (05/2008) Superseded - - here
5.0 X.501 (2005) Erratum 1 (08/2006) Superseded - - here
5 X.501 (08/2005) Superseded
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4.3 X.501 (2001) Cor. 3 (05/2008) Superseded - - here
4.2 X.501 (2001) Technical Cor. 2 (11/2005) Superseded - - here
4.1 X.501 (2001) Technical Cor. 1 (05/2005) Superseded - - here
4 X.501 (02/2001) Superseded
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3.4 X.501 (1997) Technical Cor. 3 (05/2005) Superseded - - here
3.3 X.501 (1997) Technical Cor. 2 (02/2001) Superseded -
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3.2 X.501 (1997) Amd. 1 (03/2000) Superseded
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3.1 X.501 (1997) Technical Cor. 1 (03/2000) Superseded -
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3 X.501 (08/1997) Superseded
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2 X.501 (11/1993) Superseded - - here
1 X.501 (11/1988) Superseded -
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