Gateway ECU B
Vehicle network
ECU A.1
sub-network B
CAN network
ECU A.2
ECU B.2
ECU B.1
sub-network A
IP-based network
IP-based network
sub-network C
IP-based network
Gateway ECU C
ECU C.1
External test equipment 1
External test equipment 2
OEM server
direct connection via OBD port
IP-based network
External network
diagnostic services via DoIP
network routing capabilities
DoIP Edge node Gateway ECU A
vehicle diagnostic functions
no DoIP capability
wireless connection