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BSI BS ISO 20794-3:2020

Road vehicles. Clock extension peripheral interface (CXPI) -- Transport and network layer
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BSI BS ISO 20794-3:2020

Road vehicles. Clock extension peripheral interface (CXPI) -- Transport and network layer

PUBLISH DATE 2020
PAGES 34
BSI BS ISO 20794-3:2020

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.

SDO BSI: British Standards Institution
Document Number ISO 20794-3
Publication Date Feb. 6, 2020
Language en - English
Page Count 34
Revision Level
Supercedes
Committee AUE/16
Publish Date Document Id Type View
Feb. 6, 2020 BS ISO 20794-3:2020 Revision