Glossary

ASN.1

From wikipedia: Abstract Syntax Notation One is a standard and notation that describes rules and structures for representing, encoding, transmitting, and decoding data in telecommunications and computer networking.

In SNMP ASN.1 is used to define the structure of messages sent across the network. SNMP used BER encoding.

X.690

X.690 defines the encoding rules for ASN.1 notation. It is the underlying standard used by SNMP. It’s reference document can be found here: https://www.itu.int/rec/T-REC-X.690/en

Apart from encoding rules, it also defines a set of core variable types like ObjectIdentifier, Integer).

TLV

Type Length Value (See https://en.wikipedia.org/wiki/Type-length-value)