Standard
BS ISO 17987-2:2025
Road vehicles. Local Interconnect Network (LIN) - Transport protocol and network layer services
Current
•Published:
1 Scope
This document specifies a transport protocol and network layer services tailored to
meet the requirements of LIN‑based vehicle network systems on local interconnect networks.
The protocol specifies an unconfirmed communication.
The LIN protocol supports the standardized service primitive interface as specified
in ISO 14229‑2.
This document provides the transport protocol and network layer services to support
different application layer implementations such as:
-
— normal communication messages, and
-
— diagnostic communication messages.
The transport layer defines transportation of data that is contained in one or more
frames. The transport layer messages are transported by diagnostic frames. A standardized
API is specified for the transport layer.
Use of the transport layer is targeting systems where diagnostics are performed on
the backbone bus (e.g. CAN) and where the system builder wants to use the same diagnostic capabilities on the
LIN sub-bus clusters. The messages are in fact identical to ones in ISO 15765‑2 and the PDUs carrying the messages are very similar.
The goals of the transport layer are:
-
— to have low load on commander node,
-
— to provide full (or a subset thereof) diagnostics directly on the responder nodes, and
-
— to target clusters built with powerful LIN nodes (not the mainstream low cost).
A typical system configuration is shown in Figure 1.
Product Details
Descriptors
Vehicles
Communication networks
Transportation
Error detection
Data transmission
Information
Network layer (OSI)
Information exchange
Road vehicles
Computer networks
ICS Codes
35.240.60 IT applications in transport
43.040.15 Car informatics. On board computer systems
Committee
AUE/16
International relationships
Identical to:ISO 17987-2
ISBN
978 0 539 22715 4
Publisher
BSI