ISO 20794-3:2020

Road vehicles — Clock extension peripheral interface (CXPI) — Part 3: Transport and network layer

Publication date:   Feb 5, 2020

General information

60.60 Standard published   Feb 5, 2020

ISO

ISO/TC 22/SC 31 Data communication

International Standard

43.040.15   Car informatics. On board computer systems

Buying

  Published

PDF - €156.09

  English  



Buy

Scope

This document specifies the OSI transport layer and network layer by means of services and protocols. They can be used by different applications.
The transport layer:
— transforms a message into a single packet;
— adds protocol control information for diagnostic and node configuration into each packet;
— adds packet identifier for diagnostic and node configuration into each packet; and
— performs transport protocol error detection.
The transport layer protocol is not used for normal communication except to map the service interface parameters between lower and upper OSI layers.
The network layer:
— adds a node address for diagnostic and node configuration into each segment; and
— observes timing for diagnostic and node configuration of each segment.
The network layer is not used for normal communication except to map the service interface parameters between lower and upper OSI layers.

Life cycle

NOW

PUBLISHED
ISO 20794-3:2020
60.60 Standard published
Feb 5, 2020