BSI 21/30387812 DC:2021 Edition
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BS ISO 14229-2. Road vehicles. Unified diagnostic services (UDS) – Part 2. Session layer services
Published By | Publication Date | Number of Pages |
BSI | 2021 | 62 |
This document specifies common session layer services and requirements to provide independence between unified diagnostic services (ISO 14229-1) and all transport protocols and network layer services (e.g. ISO 13400-2 DoIP, ISO 15765-2 DoCAN, ISO 10681-2 Communication on FlexRay, ISO 14230-2 DoK-Line, and ISO 20794-3 CXPI).
This document specifies a common service primitive interface between OSI layer 5 (Session) and layer 4 (Transport) via so-called service request/confirmation/indication primitives.
Annex B (informative) describes vehicle diagnostic OSI layer architecture examples.