International standards



Abstract Syntax Notation One (ASN.1)

Standard title ITU-T ISO
Information technology -
Abstract Syntax Notation One (ASN.1):
Specification of basic notation
X.680 8824-1
Information technology -
Abstract Syntax Notation One (ASN.1):
Information object specification.
X.681 8824-2
Information technology -
Abstract Syntax Notation One (ASN.1):
Constraint specification.
X.682 8824-3
Information technology -
Abstract Syntax Notation One (ASN.1):
Parameterization of ASN.1 specification.
X.683 8824-4

Download standards


ASN.1 encoding rules

Standard title ITU-T ISO
Information technology -
ASN.1 encoding rules:
Specification of Basic Encoding Rules (BER),
Canonical Encoding Rules (CER),
and Distinguished Encoding Rules (DER).
X.690 8825-1
Information technology -
ASN.1 encoding rules:
Specification of Packed Encoding Rules (PER).
X.691 8825-2
Information technology -
ASN.1 encoding rules:
Specification of Encoding Control Notation (ECN).
X.692 8825-3
Information technology -
ASN.1 encoding rules:
XML encoding rules (XER).
X.693 8825-4

Download standards


Remote Operations (ROS)

Standard title ITU-T ISO
Information technology -
Remote Operations:
Concepts, model and notation.
X.880 13712-1
Information technology -
Remote Operations:
OSI realizations - Remote Operations Service Element (ROSE) service definition.
X.881 13712-2
Information technology -
Remote Operations:
OSI realizations - Remote Operations Service Element (ROSE) protocol specification.
X.882 13712-3


Programming standards

Standard title ISO/IEC IEEE
Programming languages -- C 9899  
Information technology -
Portable Operating System Interface (POSIX) -
Part 1: System Application Programme Interface (API) (C Language)
9945-1 1003.1


Copyright © 1996-2024 Talura ApS