Basic Encoding Rules

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Basic Encoding Rules

(protocol, standard)
(BER) ASN.1 encoding rules for producing self-identifying and self-delimiting transfer syntax for data structures described in ASN.1 notations.

BER is an self-identifying and self-delimiting encoding scheme, which means that each data value can be identified, extracted and decoded individually.

Huw Rogers once described BER as "a triumph of bloated theory over clean implementation". He also criticises it as designed around bitstreams with arbitrary boundaries between data which can only be determined at a high level.

Documents: ITU-T X.690, ISO 8825-1.

See also CER, DER, PER.
This article is provided by FOLDOC - Free Online Dictionary of Computing (


(1) (Basic Encoding Rules) A set of encoding rules for ASN.1 notation, which is a method for defining data structures. See ASN.1.

(2) (Bit Error Rate) The average number of bits transmitted in error. See BERT.
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References in periodicals archive ?
The binary encoding is based on Basic Encoding Rules (BER) description of the protocol and text encoding is based on Augmented Backus-Naur Form (ABNF) description.

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