Home · Core Terms · Architecture Communication View Terms · access layer
access layer¶
communications layer that corresponds to the physical and data link layers of the OSI model
Clause: 3.1.5.2
Admitted term: link layer
Admitted term: subnet layer
Note 1 to entry: Within the Internet Engineering Task Force (IETF), the term "link layer" is used to describe the same functionality as the access layer.
Note 2 to entry: Within the US, the NTCIP standards use the term "subnet layer" to describe the same functionality as the access layer.
History note: 2025: Revised based on input from WG 16 and to align more closely with the other definitions within ISO 14812.
History note: Introduced in ISO/TS 14812:2022.
Specializations of access layer¶
| Class | Description |
|---|---|
| ITS-S access layer | communications layer in the ITS station reference architecture corresponding to the physical and data link layers of the OSI model for ITS communications |