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ITU-T X.680 (11/2008)

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Information technology – Abstract Syntax Notation One (ASN.1): Specification of basic notation
This Recommendation | International Standard provides a notation called Abstract Syntax Notation One (ASN.1) for defining the syntax of information data. It defines a number of simple data types and specifies a notation for referencing these types and for specifying values of these types.The ASN.1 notations can be applied whenever it is necessary to define the abstract syntax of information without constraining in any way how the information is encoded for transmission.
Citation: http://handle.itu.int/11.1002/1000/9604
Approval date: 2008-11-13
Identical standard:ISO/IEC 8824-1:2008 (Common)
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)
Development history
[22 related work items in progress]
Ed. ITU-T Recommendation Status Summary Table of Contents Download
4.2 X.680 (2008) Cor. 2 (03/2014) In force
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4.1 X.680 (2008) Cor. 1 (10/2011) In force - - here
4 X.680 (11/2008) In force
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3.5 X.680 (2002) Amd. 4 (05/2007) Superseded
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3.4 X.680 (2002) Amd. 3 (06/2006) Superseded
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3.3 X.680 (2002) Technical Cor. 1 (05/2005) Superseded
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3.2 X.680 (2002) Amd. 2 (08/2004) Superseded
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3.1 X.680 (2002) Amd. 1 (10/2003) Superseded
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3 X.680 (07/2002) Superseded - - here
2.8 X.680 (1997) Amd. 4 (10/2001) Superseded
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2.7 X.680 (1997) Amd. 3 (10/2001) Superseded
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2.6 X.680 (1997) Technical Cor. 4 (03/2001) Superseded
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2.5 X.680 (1997) Technical Cor. 3 (02/2001) Superseded
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2.4 X.680 (1997) Technical Cor. 2 (03/2000) Superseded -
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2.3 X.680 (1997) Amd. 2 (06/1999) Superseded
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2.2 X.680 (1997) Amd. 1 (06/1999) Superseded
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2.1 X.680 (1997) Technical Cor. 1 (06/1999) Superseded
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2 X.680 (12/1997) Superseded
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1.5 X.680 (1994) Amd. 2 (12/1997) Superseded - - here
1.4 X.680 (1994) Amd. 1/Technical Cor.1 (12/1997) Superseded - - here
1.3 X.680 (1994) Technical Cor. 2 (12/1997) Superseded - - here
1.2 X.680 (1994) Technical Cor. 1 (11/1995) Superseded - - here
1.1 X.680 (1994) Amd. 1 (04/1995) Superseded - - here
1 X.680 (07/1994) Superseded - - here