ASN.1

ASN.1 ( Abstract Syntax Notation One ) is an international standard intended for the origin to describe the data exchanged in the protocols of telecommunication (OSI model). Standardized in 1984, used at the origin for the exchanges of emails, it provides a formal notation which describes the format of the messages. It is implemented in a great number of applications (network management, transport, safety, telephony, Internet, etc).

The initial standard goes back to 1988 (CCITT Recommendation X.208: Specification off Abstract Syntax Notation One ), a new version (ISO/CEI 8824-1/UIT-T X.680) was emitted in 1993.

Example

Customer:: = SEQUENCE { name PrintableString (SIZE (1..40)), rue PrintableString (SIZE (1..50)) OPTIONAL, codepostal NumericString (SIZE (10)), city PrintableString (SIZE (1..30)), country PrintableString (SIZE (1..20)) DEFAULT country-pardefaut} PrintableString country-pardefaut:: = " France"

ASN.1 one of the formats is used by NCBI

Related subject

SNMP

External bond

Site of information on ASN.1
ASN.1 with the NCBI

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