Welcome to the SDV Protocols Hub
Welcome to the definitive guide on Software-Defined Vehicle (SDV) Protocols, a cornerstone of modern automotive innovation. This resource explores communication standards like UDS, DoIP, CAN, Bluetooth (A2DP, HFP, Physical Layer), ISO 15118, and SOME/IP, powering intelligent vehicles with seamless connectivity, advanced diagnostics, and autonomous driving capabilities. Designed for automotive system engineers and managers, it provides detailed insights into OSI model layers, vendor technologies (e.g., ISO, Bluetooth SIG, AUTOSAR), and evolving trends to enhance your expertise in vehicle design and management. For a comprehensive understanding of SDVs, explore this guide alongside the Automotive HPC Comparison and Automotive Operating Systems Comparison pages.
How to Use This Page
Getting Started
- Explore Protocols: Hover over table cells to view vendor details (e.g., Bluetooth SIG, ISO) after a 2-second delay. An overlay provides additional information for engineers and managers.
- View Details: Click "Go to [Standard] Details" in the overlay to scroll to in-depth information on standards like UDS, CAN, or A2DP.
- Navigate Back: Use the "Back to Table" button under each standard section to return to the protocol overview.
Enjoy navigating this comprehensive SDV protocol landscape tailored for automotive professionals!
Protocol Overview
Below, discover a structured breakdown of SDV protocols mapped to the OSI model layers, highlighting key standards such as UDS, DoIP, CAN, Bluetooth Physical Layer, and ISO 15118. These standards define roles in vehicle communication, including diagnostics, connectivity, and autonomous driving, with insights from vendors like ISO, Bluetooth SIG, and ETSI. Hover over the standards to explore dynamic vendor details.
| OSI Layer | Standards | Sender | Receiver | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 - Application | UDS | Charging | DoIP | User/Device Applications | A2DP | HFP | V2X Applications | Converts the data to be sent over the network stack | Converts the data to be usable by the application | |||||
| 6 - Presentation | IEC 61851: Control Pilot line | ISO 15118: PnC | SOME/IP | MQTT | DDS | HTTPS/REST | SBC | AAC | CVSD | mSBC | Converts the data to be sent over the network stack | Converts the data to be usable by the application | ||
| SecOC | ||||||||||||||
| 5 - Session | AVDTP | SCO/eSCO | Manages a user and/or device session for authentication and authorization | |||||||||||
| 4 - Transport | TLS | Decrypts the payload | Encrypts the payload | |||||||||||
| TCP/UDP | Segments the payload into transportable chunks and secures data integrity | Checks the received data integrity and integrates it into processible payload | ||||||||||||
| 3 - Network | IP | Geo-Networking | Sends the data chunk to the destination | Receives the data chunk from the sender | ||||||||||
| 2 - Data-Link | CAN | IEC 61851: Conductive Charging | IEEE 1901 PLC | Cellular Communication | MAC | L2CAP | LMP | ITS-G5 MAC | Sends the data to the next node | Receives the data from the previous node | ||||
| MACsec | Encrypts the data link | Decrypts the data link | ||||||||||||
| 1 - Physical | Automotive Ethernet | WLAN | Bluetooth Physical Layer | ITS-G5 PHY | Encodes the data bits | Decodes the data bits | ||||||||
Protocol Details
Explore in-depth information about each protocol, including technical specifications, evolution, and industry applications. Dynamically generated content below covers standards like UDS, CAN, Bluetooth A2DP, ISO 15118, and more, providing comprehensive insights from leading standardization bodies (e.g., ISO, Bluetooth SIG, ETSI) and vendors. Perfect for automotive system engineers and managers. For a holistic view of SDVs, complement this with the HPC Comparison and Vehicle Operating Systems Comparison pages.