| 摘要 |
PROBLEM TO BE SOLVED: To provide an in-vehicle system which secures a communication path for stable update if an update source device updates software of an update device through a plurality of networks.SOLUTION: An in-vehicle system 500 which is connected to a plurality of networks 1 to 4 connected with an electronic control device 14 through a relay device 12 comprises structure reproduction means 42 for reproducing a network structure on the basis of the electronic control device list linked to the relay device, and communication path determination means 43 for determining a communication path capable of transmitting software from the first electronic control device to the second electronic control device on the basis of communication path determination information and the network structure to transmit software of an update device through the communication path. |
