To improve security in an on-vehicle network.SOLUTION: An on-vehicle communication system includes a plurality of on-vehicle devices, and a relay device, and a first on-vehicle device transmits, to a relay device, a frame addressed to a second on-vehicle device for transmitting/receiving information to/from the second on-vehicle device, and the relay device determines whether to relay the frame to the second on-vehicle device on the basis of the comparison result between a required safety level which is the level of safety required for communication between the first on-vehicle device and the second on-vehicle device, and the system safety level based at least on the functional safety level regarding the safety of the vehicle possessed by the first on-vehicle device and the second on-vehicle device.SELECTED DRAWING: Figure 1
【課題】車載ネットワークにおけるセキュリティを向上させる。【解決手段】車載通信システムは、複数の車載装置と、中継装置とを備え、第1の前記車載装置は、第2の前記車載装置との間において情報の送受信を行うための第2の前記車載装置宛のフレームを前記中継装置へ送信し、前記中継装置は、前記第1の車載装置および前記第2の車載装置の間における通信に要求される安全性のレベルである要求安全レベルと、前記第1の車載装置および前記第2の車載装置がそれぞれ有する車両の安全性に関する機能安全レベルに少なくとも基づくシステム安全レベルとの比較結果に基づいて、前記フレームの前記第2の車載装置への中継の可否を決定する。【選択図】図1
ON-VEHICLE COMMUNICATION SYSTEM, RELAY DEVICE, AND RELAY METHOD
車載通信システム、中継装置および中継方法
2022-11-11
Patent
Electronic Resource
Japanese
IPC: | H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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