Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
  • H04L41/08—Configuration management of networks or network elements
  • H04L41/0803—Configuration setting
  • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L12/00—Data switching networks
  • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L67/00—Network arrangements or protocols for supporting network services or applications
  • H04L67/01—Protocols
  • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Definitions

• the present disclosure relates to a management device, a vehicle communication management method, and a vehicle communication management program.
• This application claims priority based on Japanese Application No. 2022-123582 filed on August 2, 2022, and incorporates all the contents described in the said Japanese application.
• Patent Document 1 International Publication No. 2020/179124 discloses the following technology. That is, the management device includes a detection unit that detects addition of a functional unit to a network including one or more in-vehicle functional units, and functional unit information of a new functional unit whose addition is detected by the detection unit. and a generation unit that acquires functional unit information of the in-vehicle functional unit and generates configuration information of a new network that is the network further including the new functional unit based on each acquired functional unit information, and a storage device. an acquisition unit that acquires feasibility information indicating the feasibility of the new network, which corresponds to the configuration information generated by the generation unit, from the database.
• the management device of the present disclosure includes a detection unit that detects addition of a functional unit to a network including one or more in-vehicle functional units, acquires functional unit information of the in-vehicle functional unit, and detects addition of a functional unit by the detection unit. If the target information that is the functional unit information of the new functional unit that is the functional unit cannot be obtained from the new functional unit, candidate information indicating candidates for the target information is transmitted, and the selection result of the candidate indicated by the candidate information is transmitted. an acquisition unit that acquires the target information by receiving the information; and a generation unit that generates configuration information of a new network, which is the network further including the new function unit, based on the respective functional unit information acquired by the acquisition unit. It is equipped with a section.
• One aspect of the present disclosure can be realized as a semiconductor integrated circuit that realizes part or all of a management device, or can be realized as a system that includes a management device.
• FIG. 1 is a diagram showing the configuration of a communication system according to an embodiment of the present disclosure.
• FIG. 2 is a diagram illustrating an example of a configuration of a vehicle communication system according to an embodiment of the present disclosure.
• FIG. 3 is a diagram illustrating an example of a network configuration in a vehicle communication system according to an embodiment of the present disclosure.
• FIG. 4 is a diagram illustrating a configuration of a management unit according to an embodiment of the present disclosure.
• FIG. 5 is a diagram illustrating an example of the configuration of a new network in the vehicle communication system according to the embodiment of the present disclosure.
• FIG. 6 is a diagram illustrating another example of the configuration of a new network in the vehicle communication system according to the embodiment of the present disclosure.
• FIG. 1 is a diagram showing the configuration of a communication system according to an embodiment of the present disclosure.
• FIG. 2 is a diagram illustrating an example of a configuration of a vehicle communication system according to an embodiment of the present disclosure.
• FIG. 3 is a diagram
• FIG. 7 is a diagram illustrating another example of the configuration of a new network in the vehicle communication system according to the embodiment of the present disclosure.
• FIG. 8 is a diagram showing a configuration of a server in a communication system according to an embodiment of the present disclosure.
• FIG. 9 is a diagram illustrating an example of a success/failure database stored in a storage device in a communication system according to an embodiment of the present disclosure.
• FIG. 10 is a diagram illustrating an example of a setting database stored in a storage device in a communication system according to an embodiment of the present disclosure.
• FIG. 11 is a diagram illustrating another example of the configuration of a new network after setting changes in the vehicle communication system according to the embodiment of the present disclosure.
• FIG. 12 is a diagram illustrating an example of temporary network configuration information generated by the management unit according to the embodiment of the present disclosure.
• FIG. 13 is a diagram illustrating an example of candidate information generated by the management unit according to the embodiment of the present disclosure.
• FIG. 14 is a diagram illustrating an example of selection information received by the management unit according to the embodiment of the present disclosure.
• FIG. 15 is a diagram illustrating an example of new network configuration information generated by the management unit according to the embodiment of the present disclosure.
• FIG. 16 is a flowchart defining an operation procedure when the management unit in the communication system according to the embodiment of the present disclosure constructs a new network.
• FIG. 17 is a diagram illustrating an example of a sequence of new network construction processing in the communication system according to the embodiment of the present disclosure.
• FIG. 18 is a diagram illustrating another example of the sequence of the new network construction process in the communication system according to the embodiment of the present disclosure.
• FIG. 19 is a diagram illustrating another example of the sequence of the new network construction process in the communication system according to the embodiment of the present disclosure.
• the new functional unit has a function of transmitting functional unit information.
• an in-vehicle ECU Electronic Control Unit
• the present disclosure has been made to solve the above-mentioned problems, and the purpose is to provide a management device, a vehicle communication management method, and a vehicle communication management method that can more reliably construct a network with a new configuration including in-vehicle functional units.
• the purpose is to provide a communication management program.
• a network with a new configuration including in-vehicle functional units can be more reliably constructed.
• a management device includes a detection unit that detects addition of a functional unit to a network including one or more in-vehicle functional units, and acquires functional unit information of the in-vehicle functional unit, If the target information, which is the functional unit information of the new functional unit whose addition has been detected by the detection unit, cannot be obtained from the new functional unit, candidate information indicating candidates for the target information is transmitted, and the candidate information is an acquisition unit that acquires the target information by receiving a selection result of candidates indicated by the information; and a new network that is the network further including the new function unit based on the respective functional unit information acquired by the acquisition unit. and a generation unit that generates network configuration information.
• the acquisition unit may acquire the candidate information based on the acquired functional unit information of the in-vehicle functional unit.
• the acquisition unit generates temporary configuration information of the network based on the functional unit information of the in-vehicle functional unit acquired by the acquisition unit, and the temporary configuration information,
• the candidate information may also be obtained based on feasibility information indicating the feasibility of the new network.
• the feasibility information may be information indicating a plurality of combinations of functional unit information of the in-vehicle functional unit, functional unit information of the new functional unit, and feasibility of the new network.
• the acquisition unit may acquire the candidate information based on functional unit information of the new functional unit that corresponds to the provisional configuration information in the feasibility information.
• candidate information can be generated through simple processing using the listed feasibility information.
• the acquisition unit may acquire the candidate information further based on the addition position of the new functional unit to the network.
• the management device further includes, from a database in a storage device, information about the new network that corresponds to the configuration information of the new network generated by the generation unit. It may also include a setting processing unit that acquires feasibility information indicating feasibility.
• a new network can be constructed using the network feasibility verification results generated in advance. As a result, it is possible to construct a new network whose feasibility is guaranteed by taking into consideration the logical and physical configurations. This makes it possible to suppress the occurrence of delays in communication.
• a vehicle communication management method is a vehicle communication management method in a management device, and includes a step of detecting addition of a functional unit to a network including one or more in-vehicle functional units; If the functional unit information of the in-vehicle functional unit is acquired and the target information that is the functional unit information of the new functional unit that is the functional unit whose addition is detected cannot be acquired from the new functional unit, a candidate indicating the candidate of the target information. the network further includes the new functional unit based on the acquired functional unit information, the step of acquiring the target information by transmitting information and receiving a selection result of candidates indicated by the candidate information and generating configuration information for a new network.
• a vehicle communication management program is a vehicle communication management program used in a management device, and is a vehicle communication management program that allows a computer to add a functional unit to a network including one or more in-vehicle functional units.
• a detection unit to be detected and functional unit information of the in-vehicle functional unit are acquired, and target information that is functional unit information of a new functional unit that is the functional unit whose addition is detected by the detection unit is acquired from the new functional unit.
• an acquisition unit that acquires the target information by transmitting candidate information indicating candidates for the target information and receiving a selection result of the candidates indicated by the candidate information; and each of the functions acquired by the acquisition unit.
• the present invention is a program for functioning as a generation unit that generates configuration information of a new network, which is the network further including the new function unit, based on unit information.
• FIG. 1 is a diagram showing the configuration of a communication system according to an embodiment of the present disclosure.
• communication system 400 includes a server 180 and one or more vehicle communication systems 300.
• Vehicle communication system 300 is mounted on vehicle 1.
• FIG. 2 is a diagram illustrating an example of the configuration of a vehicle communication system according to an embodiment of the present disclosure.
• vehicle communication system 300 includes one or more in-vehicle ECUs (Electronic Control Units) 111 and relay device 112. Specifically, the vehicle communication system 300 includes vehicle ECUs 111A, 111B, 111C, 111D, and 111E as the vehicle ECU 111.
• Relay device 112 includes a management section 200.
• the in-vehicle ECUs 111A, 111B, 111C, 111D, and 111E and the relay device 112 each include an application 100.
• in-vehicle ECU 111A includes application 100A
• in-vehicle ECU 111B includes application 100B
• in-vehicle ECU 111C includes application 100C
• in-vehicle ECU 111D includes application 100D
• in-vehicle ECU 111E includes application 100E.
• Device 112 includes application 100F.
• the on-vehicle ECUs 111A, 111B, 111C, 111D, and 111E and the relay device 112 constitute a network 12.
• the in-vehicle ECU 111 and the application 100 are examples of an in-vehicle functional unit that is a functional unit installed in the vehicle 1 among the functional units or objects in the network 12.
• Relay device 112 is an example of a management device.
• vehicle communication system 300 is not limited to a configuration including five vehicle-mounted ECUs 111, but may be configured to include one, two, three, four, or six or more vehicle-mounted ECUs 111.
• present invention is not limited to a configuration in which one application 100 is provided in one in-vehicle ECU 111, but may be a configuration in which two or more applications 100 are provided in one in-vehicle ECU 111.
• vehicle communication system 300 is not limited to a configuration including one relay device 112 but may be configured to include a plurality of relay devices 112. Further, the present invention is not limited to a configuration in which one application 100 is provided in one relay device 112, but may be a configuration in which two or more applications 100 are provided in one relay device 112.
• the network 12 may include an external device outside the vehicle 1 and an application installed in the external device as functional units, that is, objects.
• the in-vehicle ECU 111 is, for example, a TCU (Telematics Communication Unit), an automatic driving ECU, an engine ECU, a sensor, a navigation device, a human-machine interface, a camera, and the like.
• TCU Transmission Control Unit
• An automatic driving ECU an engine ECU
• a sensor a sensor
• a navigation device a human-machine interface
• a camera and the like.
• the on-vehicle ECUs 111A, 111B, 111C, 111D, and 111E are a TCU, an intake pressure sensor, an engine ECU, a temperature sensor, and a water temperature sensor, respectively.
• the on-vehicle ECUs 111A, 111B, 111C, 111D, and 111E are also referred to as TCU 111A, intake pressure sensor 111B, engine ECU 111C, temperature sensor 111D, and water temperature sensor 111E, respectively.
• in-vehicle ECUs 111A, 111B, 111C, 111D, and 111E are connected to a relay device 112 via an Ethernet (registered trademark) cable 11.
• the relay device 112 is, for example, a gateway device, and can relay data between a plurality of in-vehicle ECUs 111 connected to itself.
• the relay device 112 performs relay processing of Ethernet frames in accordance with the Ethernet communication standard. Specifically, the relay device 112 relays, for example, Ethernet frames exchanged between the in-vehicle ECUs 111. IP packets are stored in the Ethernet frame.
• the vehicle communication system 300 is not limited to a configuration in which Ethernet frames are relayed according to the Ethernet communication standard, but is also compatible with, for example, CAN (Controller Area Network) (registered trademark), CAN FD (CAN with Flexible Data Rate), and FlexRay (CAN with Flexible Data Rate).
• the configuration may be such that data is relayed according to communication standards such as (registered trademark), MOST (Media Oriented Systems Transport) (registered trademark), and LIN (Local Interconnect Network).
• TCU 111A can communicate with server 180.
• the TCU 111A can communicate with the server 180 via the wireless base station device 161 using, for example, IP packets.
• the TCU 111A can perform wireless communication with the wireless base station device 161, for example, in accordance with communication standards such as LTE (Long Term Evolution) or 5G.
• LTE Long Term Evolution
• 5G 5th Generation
• the wireless base station device 161 upon receiving an IP packet from the server 180 via an external network 170 such as the Internet, the wireless base station device 161 includes the received IP packet in a wireless signal and transmits it to the TCU 111A.
• the TCU 111A when the TCU 111A receives a wireless signal including an IP packet from the server 180 from the wireless base station device 161, the TCU 111A acquires the IP packet from the received wireless signal, stores the acquired IP packet in an Ethernet frame, and transmits it to the relay device 112. Send to.
• the TCU 111A upon receiving the Ethernet frame from the relay device 112, acquires an IP packet from the received Ethernet frame, includes the acquired IP packet in a wireless signal, and transmits the wireless signal to the wireless base station device 161.
• the wireless base station device 161 Upon receiving the wireless signal from the TCU 111A, the wireless base station device 161 acquires an IP packet from the received wireless signal, and transmits the acquired IP packet to the server 180 via the external network 170.
• the intake pressure sensor 111B can communicate with other in-vehicle ECUs 111 via the relay device 112, and periodically measures the intake pressure of the engine in the vehicle 1, for example.
• the engine ECU 111C can communicate with other in-vehicle ECUs 111 via the relay device 112, and controls the engine in the vehicle 1, for example.
• the engine ECU 111C acquires and acquires information indicating, for example, the engine rotation speed, the vehicle speed of the vehicle 1, the engine shaft torque, the transmission status, the throttle valve status, and the measured values of each sensor.
• the engine is controlled based on the information obtained.
• the engine ECU 111C can transmit part or all of the acquired information to the relay device 112, for example, in response to a request from the relay device 112.
• the temperature sensor 111D is capable of communicating with other in-vehicle ECUs 111 via the relay device 112, and periodically measures the outside temperature of the vehicle 1, for example.
• the water temperature sensor 111E is capable of communicating with other in-vehicle ECUs 111 via the relay device 112, and periodically measures the temperature of the cooling water circulating in the engine of the vehicle 1, for example.
• Each application 100 performs predetermined processing in the in-vehicle ECU 111 or relay device 112 in which it is installed, for example, by performing application layer processing.
• the application 100D in the temperature sensor 111D generates temperature information indicating the outside temperature of the vehicle 1 at a predetermined period.
• FIG. 3 is a diagram illustrating an example of a network configuration in a vehicle communication system according to an embodiment of the present disclosure.
• relay device 112 includes communication ports 120A, 120B, and 120C. Each of communication ports 120A, 120B, and 120C is also referred to as communication port 120.
• Communication port 120 is, for example, a terminal to which Ethernet cable 11 can be connected.
• TCU 111A is connected to communication port 120A
• intake pressure sensor 111B and engine ECU 111C are connected to communication port 120B
• temperature sensor 111D and water temperature sensor 111E are connected to communication port 120C.
• the TCU 111A belongs to a VLAN (Virtual Local Area Network) 10.
• Intake pressure sensor 111B and engine ECU 111C belong to VLAN20 different from VLAN10.
• Temperature sensor 111D and water temperature sensor 111E belong to VLAN30 different from VLAN10 and VLAN20.
• the relay device 112 performs, for example, relay processing of Ethernet frames between in-vehicle ECUs 111 belonging to the same VLAN. Specifically, the relay device 112 transmits the received Ethernet frame to the destination in-vehicle ECU 111 based on a source MAC (Media Access Control) address and a destination MAC address included in the received Ethernet frame.
• MAC Media Access Control
• the relay device 112 performs, for example, relay processing of IP packets between the in-vehicle ECUs 111 belonging to different VLANs. Specifically, the relay device 112 acquires an IP packet from the received Ethernet frame, and transmits the IP packet to the destination in-vehicle ECU 111 based on the destination IP address of the acquired IP packet.
• FIG. 4 is a diagram illustrating a configuration of a management unit according to an embodiment of the present disclosure.
• the management section 200 includes a detection section 210, a generation section 220, a setting processing section 230, a storage section 240, a notification section 250, and an acquisition section 270.
• a part or all of the detection unit 210, the generation unit 220, the setting processing unit 230, the notification unit 250, and the acquisition unit 270 are realized, for example, by a processing circuit including one or more processors.
• the storage unit 240 is, for example, a nonvolatile memory included in the processing circuit.
• the detection unit 210 detects a new functional unit that is newly added to the network 12. That is, the detection unit 210 detects addition of a new functional unit to the network 12. More specifically, the detection unit 210 detects addition of the in-vehicle ECU 111, external device, application 100, etc. to the network 12. As an example, the detection unit 210 detects the application 100 of the in-vehicle ECU 111 newly added to the network 12 as a new functional unit.
• the new function unit transmits connection request information for requesting a communication connection in the network 12 to the detection unit 210.
• the detection unit 210 receives the connection request information and detects the new functional unit that is the source of the connection request information.
• the detection unit 210 may be configured to periodically broadcast a search message for detecting a new functional unit, for example.
• the new function unit receives the search message and transmits the connection request information as a response to the received search message.
• the network 12 including the new functional unit is also referred to as a new network
• the network 12 before the new functional unit is added is also referred to as an existing network
• the functional units included in the existing network are also referred to as existing functional units.
• the in-vehicle ECU 111 included in the existing network is an example of an existing functional unit.
• FIG. 5 is a diagram illustrating an example of the configuration of a new network in the vehicle communication system according to the embodiment of the present disclosure.
• the in-vehicle ECU 111G is an image sensor.
• the in-vehicle ECU 111G will also be referred to as the image sensor 111G.
• the image sensor 111G includes an application 100G, which is a new functional unit.
• the image sensor 111G When the image sensor 111G receives power supply and is connected to the communication port 120C of the relay device 112 via, for example, the Ethernet cable 11, the image sensor 111G transmits connection request information for requesting communication connection in the network 12 to the detection unit 210. .
• the application 100G in the image sensor 111G generates an Ethernet frame that includes connection request information, its own ID, and the MAC address of the relay device 112 as the destination MAC address, and sends the generated Ethernet frame to the relay device 112. Send.
• the detection unit 210 in the relay device 112 Upon receiving the Ethernet frame transmitted from the application 100G, the detection unit 210 in the relay device 112 performs authentication processing for the application 100G using the ID included in the received Ethernet frame.
• the detection unit 210 When the application 100G is successfully authenticated, the detection unit 210 generates an Ethernet frame including authentication success information indicating that the authentication was successful and the MAC address of the image sensor 111G as the destination MAC address, and converts the generated Ethernet frame into an image. Send to sensor 111G.
• FIG. 6 is a diagram illustrating another example of the configuration of a new network in the vehicle communication system according to the embodiment of the present disclosure.
• the new functional unit detected by the detection unit 210 is not limited to the application 100 included in the in-vehicle ECU 111 newly connected to the relay device 112.
• the detection unit 210 may be configured to detect the application 100 newly installed in the in-vehicle ECU 111 in the existing network as a new functional unit.
• the application 100H When installed in the engine ECU 111C, the application 100H generates an Ethernet frame that includes connection request information, its own ID, and the MAC address of the relay device 112 as the destination MAC address, and transmits the generated Ethernet frame to the relay device 112. do.
• the detection unit 210 in the relay device 112 Upon receiving the Ethernet frame transmitted from the application 100H, the detection unit 210 in the relay device 112 performs authentication processing for the application 100H using the ID included in the received Ethernet frame.
• the detection unit 210 When the application 100H is successfully authenticated, the detection unit 210 generates an Ethernet frame including authentication success information indicating that the authentication was successful and the MAC address of the engine ECU 111C as the destination MAC address, and sends the generated Ethernet frame to the engine ECU 111C. Send to.
• FIG. 7 is a diagram showing another example of the configuration of a new network in the vehicle communication system according to the embodiment of the present disclosure.
• the new functional unit detected by the detection unit 210 is not limited to the application 100 included in the in-vehicle ECU 111 newly connected to the relay device 112 or the application 100 installed in the in-vehicle ECU 111 as described above.
• the detection unit 210 may be configured to detect the application 100 included in the external device 113 added to the network 12 outside the vehicle 1 as a new functional unit.
• External device 113 is a device provided outside of vehicle 1 .
• External device 113 includes application 100J, which is a new functional unit.
• the external device 113 can communicate with the TCU 111A. More specifically, the external device 113 can communicate with the TCU 111A via the wireless base station device 161 using, for example, IP packets.
• the external device 113 transmits connection request information for requesting communication connection in the network 12 to the detection unit 210 via the TCU 111A.
• the application 100J in the external device 113 transmits an IP packet containing connection request information, its own ID, and the MAC address of the relay device 112 to the wireless base station device 161 via the external network 170.
• the wireless base station device 161 When the wireless base station device 161 receives an IP packet from the external device 113 via the external network 170, it includes the received IP packet in a wireless signal and transmits it to the TCU 111A.
• the TCU 111A When the TCU 111A receives a wireless signal including an IP packet from the application 100J from the wireless base station device 161, the TCU 111A acquires the IP packet from the received wireless signal, and uses the acquired IP packet and the MAC of the relay device 112 as the destination MAC address. An Ethernet frame including the address is generated, and the generated Ethernet frame is transmitted to the relay device 112.
• the detection unit 210 in the relay device 112 Upon receiving the Ethernet frame from the TCU 111A, the detection unit 210 in the relay device 112 performs authentication processing for the application 100J using the ID included in the IP packet stored in the received Ethernet frame.
• the detection unit 210 When the application 100J is successfully authenticated, the detection unit 210 generates an Ethernet frame including authentication success information indicating that the authentication was successful and the MAC address of the external device 113 as the destination MAC address, and sends the generated Ethernet frame to the TCU 111A. Send to.
• the TCU 111A Upon receiving the Ethernet frame from the detection unit 210, the TCU 111A acquires an IP packet from the received Ethernet frame, includes the acquired IP packet in a wireless signal, and transmits the wireless signal to the external device 113 via the wireless base station device 161.
• the detection unit 210 When the detection unit 210 successfully authenticates the new function unit as described above, it outputs detection information indicating the ID of the new function unit, the port number of the corresponding communication port 120, etc. to the acquisition unit 270.
• the relay device 112 performs Ethernet link-up or LLDP (Link
• the configuration may be such that the connection of the in-vehicle ECU 111 is detected using Layer Discovery Protocol or the like, and the detection information regarding the new functional unit is transmitted to the management unit 200 in the other relay device 112.
• the acquisition unit 270 acquires the functional unit information of the existing functional unit and the functional unit information of the new functional unit. More specifically, upon receiving the detection information from the detection unit 210, the acquisition unit 270 starts acquisition processing of functional unit information of each functional unit. The acquisition unit 270 acquires the functional unit information of the new functional unit indicated by the detection information, and also acquires the functional unit information of the existing functional unit, and outputs the acquired functional unit information to the generating unit 220.
• the acquisition unit 270 acquires information that allows the topology of hardware devices such as the in-vehicle ECU 111, the relay device 112, and the external device 113 in the new network to be recognized as the functional unit information. Furthermore, for example, the acquisition unit 270 acquires, as functional unit information, information that allows recognition of constraints regarding placement of the application 100 on hardware devices in the new network. Further, for example, the acquisition unit 270 acquires information that allows recognition of constraints on communication methods between the applications 100.
• the acquisition unit 270 obtains vehicle information indicating the manufacturer and model of the vehicle 1 in which the in-vehicle ECU 111 and the relay device 112 are installed, and additional options installed in the vehicle 1, as information that allows the topology of the hardware device to be recognized. information on the additional option information shown, the in-vehicle device ID which is an identifier indicating the manufacturer and serial number of the in-vehicle ECU 111, the port number of the communication port in the connection between the hardware devices, and the bandwidth of the communication path between the hardware devices. do.
• the acquisition unit 270 acquires, for example, the ID of the application 100 as information that allows recognition of constraints regarding the placement of the application 100 on the hardware device.
• the acquisition unit 270 acquires information indicating a communication standard used for communication between the applications 100, such as Ethernet and CAN, as information that can recognize restrictions on communication methods between the applications 100.
• the acquisition unit 270 transmits an information request notification indicating the type of functional unit information to be transmitted among the types of functional unit information as described above to the existing functional unit and the new functional unit.
• the existing functional unit and the new functional unit transmit, for example, their own functional unit information of the type specified in the information request notification to the acquisition unit 270 as a response to the information request notification received from the acquisition unit 270.
• the generation unit 220 generates new network configuration information based on the functional unit information of the existing functional unit and the functional unit information of the new functional unit acquired by the acquisition unit 270.
• the generation unit 220 generates new network configuration information based on the functional unit information received from the acquisition unit 270 and outputs it to the setting processing unit 230.
• the generation unit 220 generates information that can specify the vehicle 1 and the functional units in the new network as the configuration information.
• the generation unit 220 generates configuration information indicating a combination of vehicle information, the ID of the application 100 in the existing network, and the ID of the application 100 to be added.
• the acquisition unit 270 may be configured to acquire the configuration information of the existing network as functional unit information of each existing functional unit and output it to the generation unit 220.
• the storage unit 240 may store configuration information of an existing network.
• the acquisition unit 270 refers to the storage unit 240, and if the configuration information of the existing network is registered in the storage unit 240, acquires the configuration information from the storage unit 240. In this case, the acquisition unit 270 transmits the information request notification to the new functional unit but does not transmit it to the existing functional unit.
• the generation unit 220 generates new network configuration information based on the functional unit information of the new functional unit and the existing network configuration information received from the acquisition unit 270. Specifically, the generation unit 220 generates new network configuration information by modifying the existing network configuration information acquired from the storage unit 240 using the function unit information of the new function unit. The generation unit 220 updates the configuration information in the storage unit 240 with the generated new configuration information.
• the setting processing unit 230 acquires feasibility information indicating the feasibility of the new network, which corresponds to the configuration information of the new network generated by the generation unit 220, from the database in the storage device.
• the setting processing unit 230 acquires, as feasibility information, for example, success/failure information indicating the success or failure of the new network, and setting information indicating the settings for communicating in the new network.
• FIG. 8 is a diagram showing the configuration of a server in a communication system according to an embodiment of the present disclosure.
• server 180 includes a storage device 181 and a database processing section 182.
• the database processing unit 182 is realized, for example, by a processing circuit including one or more processors.
• the storage device 181 is, for example, a nonvolatile memory included in the processing circuit.
• the storage device 181 stores a success/failure database that associates configuration information of the network 12 with success/failure information indicating the success or failure of the network 12.
• the setting processing unit 230 upon receiving the new network configuration information from the generation unit 220, the setting processing unit 230 communicates with the server 180 via the TCU 111A to generate information from the success/failure database in the storage device 181. Acquire success/failure information corresponding to the configuration information.
• the setting processing unit 230 transmits the configuration information received from the generation unit 220 to the database processing unit 182 in the server 180.
• the database processing unit 182 uses the configuration information received from the setting processing unit 230 as a search key to obtain corresponding success/failure information from the success/failure database.
• the database processing unit 182 transmits the acquired success/failure information to the setting processing unit 230.
• FIG. 9 is a diagram illustrating an example of a success/failure database stored in a storage device in a communication system according to an embodiment of the present disclosure.
• IDs of applications 100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H, and 100J are “ID-A,” “ID-B,” “ID-C,” “ID-D,” and “ID-E,” respectively. It is assumed that they are “ID-F”, “ID-G”, “ID-H”, and “ID-J".
• the feasibility information is information indicating a plurality of combinations of the functional unit information of the in-vehicle functional unit, the functional unit information of the new functional unit, and the feasibility of the new network.
• the success/failure database in the storage device 181 includes a configuration ID, configuration information indicating a combination of vehicle information, the ID of the application 100 in the existing network, and the ID of the application 100 to be added. , and success/failure information of the new network represented by the configuration information are registered in association with each other.
• the topology of the hardware devices, the bandwidth of the communication path between the hardware devices, etc. can be specified based on the vehicle information and the ID of the application 100.
• the success/failure information indicates, for example, "success” or "failure”.
• success/failure database if the success/failure information corresponding to the configuration information of a new network indicates "success", it means that the new network will be established; if the success/failure information indicates "failure”, it means that the new network will not be established.
• "unverified” in the success/failure database means that the success or failure of the new network has not been verified and no success/failure information exists.
• the database processing unit 182 determines that the manufacturer of the vehicle 1 is "Company A”, the vehicle type is “aaaa”, and the IDs of the application 100 in the existing network are “IDA”, “ID-B”, and “ID-C”. ", and the configuration information indicating that the ID of the application 100 to be added is "ID-G” is received from the setting processing unit 230. Then, the database processing unit 182 uses the received configuration information as a search key to obtain success/failure information indicating “success” from the success/failure database, and transmits the obtained success/failure information to the setting processing unit 230.
• the configuration processing unit 230 in the management unit 200 acquires the feasibility information from the database in the storage device 181 as described above, the configuration processing unit 230 in the management unit 200 generates the configuration information generated by the generation unit 220 and the feasibility information corresponding to the configuration information. It is registered in the storage unit 240.
• the setting processing unit 230 further acquires setting information indicating settings for communicating in the new network.
• the setting processing unit 230 acquires setting information indicating the settings of each functional unit for performing communication at layer 4 and below in the OSI (Open Systems Interconnection) reference model in the new network.
• OSI Open Systems Interconnection
• the storage device 181 in the server 180 stores a settings database that associates the configuration information of the network 12 with the settings of the functional units in the network 12.
• FIG. 10 is a diagram illustrating an example of a setting database stored in a storage device in a communication system according to an embodiment of the present disclosure.
• the port numbers of the communication ports 120A, 120B, and 120C of the relay device 112 are assumed to be “1,” "2,” and “3,” respectively. Furthermore, it is assumed that the in-vehicle ECU 111 includes one communication port, and the port number of the communication port is "1".
• VLAN ID the configuration contents of each functional unit in the network 12 indicated by the configuration ID, such as the VLAN ID for each communication port 120, are registered.
• the VLAN ID will also be referred to as "VID”.
• the success/failure information in the success/failure database and the setting information in the setting database are generated based on results verified in advance in consideration of the logical configuration and physical configuration of the network indicated by each piece of configuration information.
• the database processing unit 182 transmits the acquired setting information to the setting processing unit 230 in the management unit 200.
• the setting processing unit 230 acquires success/failure information indicating “success” and setting information as feasibility information, it outputs the acquired success/failure information and setting information to the notification unit 250.
• the notification section 250 Upon receiving feasibility information from the setting processing section 230, the notification section 250 configures at least one of the functional sections in the new network to perform communication in the new network based on the received feasibility information. Notify the contents.
• the notification unit 250 selects a functional unit whose settings need to be changed in order to communicate in the new network, from one or more existing functional units included in the existing network and the new functional unit. Specify the settings and notify the specified functional unit of the settings.
• the notification unit 250 upon receiving configuration information from the configuration processing unit 230, acquires configuration information indicating the configuration details of each functional unit in the existing network from the storage unit 240. Then, by comparing the setting information received from the setting processing section 230 and the setting information acquired from the storage section 240, the notification section 250 determines whether the setting contents need to be changed in order to perform communication in the new network. Identify multiple functional parts. The notification unit 250 transmits the setting information received from the setting processing unit 230 to the specified functional unit.
• the notification unit 250 does not send configuration information to the functional unit.
• one or more functional units in the new network When one or more functional units in the new network receive the setting information from the notification unit 250, they change settings based on the received setting information. Each functional unit in the new network communicates with each other according to the changed settings.
• the setting processing unit 230 determines that the ID of the VLAN to which the image sensor 111G including the application 100G, which is a new function unit, belongs is "VLAN20", and the communication port 120C of the relay device 112 including the application 100F The setting information indicating that the ID of the VLAN corresponding to "VLAN20, VLAN30" is obtained.
• the setting processing unit 230 outputs the acquired setting information to the notification unit 250.
• the notification section 250 notifies the image sensor 111G and other units (not shown) of the relay device 112 of the setting contents based on the setting information received from the setting processing section 230.
• FIG. 11 is a diagram illustrating another example of the configuration of the new network after the settings have been changed in the vehicle communication system according to the embodiment of the present disclosure.
• image sensor 111G and relay device 112 change settings based on the settings notified from notification unit 250. This enables the image sensor 111G to perform communication in the VLAN 20.
• the generation unit 220 When the generation unit 220 receives success/failure information indicating “failure” as feasibility information from the setting processing unit 230, it changes the generation conditions based on the received feasibility information, and creates new configuration information according to the changed generation conditions. generate.
• the generation unit 220 changes the current generation conditions to generation conditions that do not add some of the new functional units to the network 12, and updates the configuration information of the new network according to the changed generation conditions. to be generated.
• the generation unit 220 changes the generation condition by changing the functional arrangement between the functional units in the current generation condition, and newly generates the configuration information of the new network according to the changed generation condition.
• the generation unit 220 outputs the newly generated configuration information of the new network to the setting processing unit 230.
• the setting processing unit 230 Upon receiving the configuration information newly generated by the generation unit 220, the setting processing unit 230 acquires success/failure information corresponding to the received configuration information from the success/failure database in the storage device 181.
• the acquisition unit 270 acquires functional unit information (hereinafter also referred to as target information) of a new functional unit whose addition has been detected by the detection unit 210 from the new functional unit, the acquisition unit 270 acquires a candidate for target information, that is, a connection. Send candidate information indicating functional unit information of possible functional units. The acquisition unit 270 then acquires the target information by receiving the selection results of the candidates indicated by the transmitted candidate information.
• target information functional unit information
• FIG. 12 is a diagram illustrating an example of temporary network configuration information generated by the management unit according to the embodiment of the present disclosure.
• the acquisition unit 270 acquires candidate information based on the acquired functional unit information of the in-vehicle functional unit, that is, the functional unit information of the existing functional unit.
• the acquisition unit 270 generates temporary configuration information of the network 12 based on the acquired functional unit information of the existing functional unit, and creates candidates based on the temporary configuration information and feasibility information indicating the feasibility of the new network. Get information.
• the acquisition unit 270 determines that the new functional unit has a function of transmitting functional unit information. It is determined that there is no existing functional unit, and generates temporary configuration information of the network 12 based on the acquired functional unit information of the existing functional unit.
• the acquisition unit 270 determines, for example, that the manufacturer of the vehicle 1 is "Company A”, the vehicle type is “aaaa”, and the ID of the application 100 in the existing network is "ID-”.
• Existing network configuration information indicating that the networks are "A”, “ID-B”, and "ID-C” is generated.
• the acquisition unit 270 then transmits the generated configuration information to the database processing unit 182 in the server 180.
• FIG. 13 is a diagram illustrating an example of candidate information generated by the management unit according to the embodiment of the present disclosure.
• the acquisition unit 270 acquires candidate information based on the functional unit information of the new functional unit that corresponds to the temporary configuration information in the feasibility information.
• the database processing unit 182 uses the received configuration information of the existing network as a search key to search for the manufacturer of the vehicle 1, “Company A,” the vehicle model, “aaaa,” and the existing network.
• the ID of the application 100 to be added corresponding to the combination of the IDs "ID-A”, “ID-B” and “ID-C” of the application 100 is extracted from the success/failure database. Then, the database processing unit 182 transmits a candidate list CL indicating each extracted ID to the acquisition unit 270.
• the acquisition unit 270 transmits the candidate list CL received from the database processing unit 182, which is an example of candidate information, to the input unit 290.
• the input unit 290 is, for example, an IVI (In-Vehicle Infotainment), and an example is an in-vehicle ECU 111 that is a navigation device.
• the acquisition unit 270 is configured to download and refer to the contents of the success/failure database from the server 180 to generate candidate information indicating candidates such as the ID of the application 100 corresponding to the generated temporary configuration information. Good too.
• the acquisition unit 270 may be configured to acquire candidate information further based on the location of the new functional unit added to the network 12.
• the additional position is, for example, the port number of the communication port 120 of the relay device 112 to which the in-vehicle ECU 111 is newly connected.
• the acquisition unit 270 extracts the ID of the application that can connect to the communication port 120 with the port number from the candidate list CL received from the database processing unit 182 and transmits candidate information indicating the extracted ID to the input unit 290. .
• the navigation device which is the input unit 290, receives the candidate information from the acquisition unit 270 and performs a process of displaying on the screen the ID of the application indicated by the candidate information and the content prompting selection.
• FIG. 14 is a diagram illustrating an example of selection information received by the management unit according to the embodiment of the present disclosure.
• the acquisition unit 270 acquires target information based on the user's selection results for candidate information.
• a user who newly connects the in-vehicle ECU 111 to the network 12 checks the above screen and performs an operation on the navigation device to select "ID-G", which is the ID of the application 100, as the target information. .
• the navigation device accepts a user's operation to select target information, and transmits selection information indicating the selection result to the relay device 112.
• the acquisition unit 270 in the relay device 112 outputs target information indicated by the selection information received from the navigation device to the generation unit 220.
• the input unit 290 is not limited to the navigation device, but may be a mobile terminal of the user in the vehicle 1, or a device such as the server 180 outside the vehicle 1.
• FIG. 15 is a diagram illustrating an example of new network configuration information generated by the management unit according to the embodiment of the present disclosure.
• the generation unit 220 generates new network configuration information indicating a combination of vehicle information, the ID of the application 100 in the existing network, and the ID of the application 100 to be added. Specifically, the generation unit 220 determines that the manufacturer of the vehicle 1 is “Company A”, the vehicle type is “aaaa”, and the IDs of the application 100 in the existing network are “ID-A”, “ID-B”, and Configuration information indicating that the application 100 is "ID-C" and that the ID of the application 100 to be added is "ID-G" is generated.
• FIG. 16 is a flowchart defining an operation procedure when the management unit in the communication system according to the embodiment of the present disclosure constructs a new network.
• the management unit 200 waits for the addition of a new functional unit to the network 12 (NO in step S102), and when a new functional unit is detected (YES in step S102), the management unit 200 waits for the addition of a new functional unit to the network 12 (NO in step S102).
• the acquisition process of the functional unit information of the existing functional unit and the functional unit information of the existing functional unit is started (step S104).
• the management unit 200 acquires functional unit information of the existing functional unit by transmitting an information request notification (step S106), and also acquires functional unit information from the new functional unit within a predetermined time after transmitting the information request notification. If the unit information is successfully received (YES in step S108), new network configuration information is generated based on the acquired functional unit information of the new and existing functional units (step S118).
• the management unit 200 updates each functional unit information of the acquired existing functional unit to Based on this, temporary configuration information of the network 12 is generated, and the generated configuration information is transmitted to the database processing unit 182 in the server 180 (step S110).
• the management unit 200 receives a candidate list CL indicating each ID extracted from the success/failure database from the database processing unit 182, and generates candidate information based on the candidate list CL (step S112).
• the management unit 200 transmits the generated candidate information to the input unit 290 (step S114).
• the management unit 200 receives selection information indicating the selection result of the candidate indicated by the candidate information from the input unit 290 (step S116).
• the management unit 200 generates new network configuration information based on the target information indicated by the received selection information and the functional unit information of the existing functional units (step S118).
• the management unit 200 acquires success/failure information corresponding to the generated configuration information from the success/failure database in the storage device 181 of the server 180 (step S120).
• the management unit 200 retrieves settings indicating the settings for communicating in the new network from the settings database in the storage device 181 of the server 180. Information is acquired (step S124).
• the management unit 200 transmits the acquired setting information to one or more functional units in the new network (step S126).
• the management unit 200 waits for a new functional unit to be added to the new network (NO in step S102).
• the management unit 200 changes the configuration information generation condition and newly generates configuration information according to the changed generation condition (step S128). ).
• the management unit 200 acquires success/failure information corresponding to the newly generated configuration information from the success/failure database in the storage device 181 of the server 180 (step S120).
• FIG. 17 is a diagram illustrating an example of a sequence of a new network construction process in a communication system according to an embodiment of the present disclosure.
• FIG. 17 shows processing corresponding to the above-described operation example 1.
• the new functional unit newly added to the network 12 transmits connection request information to the management unit 200 (step S202).
• the management unit 200 upon receiving the connection request information from the new functional unit, the management unit 200 detects the new functional unit and performs authentication processing for the new functional unit (step S204).
• the management unit 200 when the management unit 200 successfully authenticates the new function unit, it transmits an information request notification to request function unit information to the existing function unit and the new function unit (step S206).
• the existing functional unit transmits its own functional unit information of the type specified in the information request notification to the management unit 200 as a response to the information request notification.
• the new functional unit since the new functional unit does not have the function of transmitting functional unit information to the management unit 200, it does not transmit functional unit information (step S208).
• the management unit 200 since the management unit 200 cannot receive functional unit information from the new functional unit even after a predetermined period of time has passed since sending the information request notification, the management unit 200 generates temporary configuration information of the network 12, for example, configuration information of the existing network. and transmits it to the server 180 (step S210).
• the management unit 200 receives the candidate list CL from the server 180 (step S212), generates candidate information based on the candidate list CL, and transmits it to the input unit 290 (step S214).
• the input unit 290 accepts a selection operation for target information by the user who has checked the above-mentioned screen, for example (step S216), and transmits selection information indicating the operation result to the management unit 200 (step S218).
• the management unit 200 generates new network configuration information based on the functional unit information received from the existing functional unit and the target information indicated by the selection information received from the input unit 290 (step S220).
• the management unit 200 transmits the generated configuration information to the server 180 (step S222).
• the server 180 acquires feasibility information indicating the feasibility of the new network corresponding to the configuration information received from the management unit 200 from the database, and transmits the acquired feasibility information to the management unit 200 (step S224 ).
• the management unit 200 registers the generated configuration information and feasibility information received from the server 180 in the storage unit 240 (step S226).
• the management unit 200 transmits the setting information to the existing function unit and the new function unit (step S228).
• the new function unit changes settings based on the setting information received from the management unit 200 (step S230). Furthermore, the existing functional unit changes settings based on the setting information received from the management unit 200 (step S232).
• the new functional unit and the existing functional unit in the new network communicate with each other according to the changed settings (step S234).
• FIG. 18 is a diagram illustrating another example of the sequence of the new network construction process in the communication system according to the embodiment of the present disclosure.
• FIG. 18 shows processing corresponding to the above-described operation example 1.
• the new functional unit newly added to the network 12 transmits connection request information to the management unit 200 (step S302).
• the management unit 200 upon receiving the connection request information from the new functional unit, the management unit 200 detects the new functional unit and performs authentication processing for the new functional unit (step S304).
• the management unit 200 when the management unit 200 succeeds in authenticating the new functional unit, it acquires the configuration information of the existing network from the storage unit 240 (step S306), and sends an information request notification to the new functional unit to request functional unit information. (Step S308).
• the new functional unit since the new functional unit does not have the function of transmitting functional unit information to the management unit 200, it does not transmit functional unit information (step S310).
• the management unit 200 since the management unit 200 cannot receive functional unit information from the new functional unit even after a predetermined period of time has passed since sending the information request notification, the management unit 200 generates temporary configuration information of the network 12, for example, configuration information of the existing network. and transmits it to the server 180 (step S312).
• the management unit 200 receives the candidate list CL from the server 180 (step S314), generates candidate information based on the candidate list CL, and transmits it to the input unit 290 (step S316).
• the input unit 290 accepts a selection operation for target information by the user who has checked the above-mentioned screen, for example (step S318), and transmits selection information indicating the operation result to the management unit 200 (step S320).
• the management unit 200 generates new network configuration information based on the target information indicated by the selection information received from the input unit 290 and the configuration information acquired from the storage unit 240 (step S322).
• step S324 to step S336 is the same as from step S222 to step S234 in FIG. 17.
• FIG. 19 is a diagram illustrating another example of the sequence of the new network construction process in the communication system according to the embodiment of the present disclosure.
• FIG. 19 shows processing corresponding to the second operation example described above.
• step S402 to step S424 in FIG. 19 is similar to the processing from step S202 to step S224 in FIG. 17.
• the management unit 200 changes the configuration information generation conditions and newly generates configuration information according to the changed generation conditions (step S426).
• the management unit 200 transmits the newly generated configuration information to the server 180 via the wireless base station device 161 (step S428).
• the server 180 obtains feasibility information indicating the feasibility of a new network corresponding to the configuration information received from the management unit 200 from the database, and transmits the obtained feasibility information to the management unit via the wireless base station device 161. 200 (step S430).
• step S432 to step S440 is similar to step S226 to step S234 in FIG. 17.
• the acquisition unit 270 is configured to acquire candidate information based on the acquired functional unit information of the in-vehicle functional unit, but the present invention is not limited to this.
• the acquisition unit 270 may be configured to transmit, for example, candidate information with fixed content to the input unit 290, in addition to the acquired functional unit information of the existing functional unit.
• the acquisition unit 270 is configured to acquire candidate information based on temporary configuration information and feasibility information indicating the feasibility of a new network. It is not limited to this.
• the acquisition unit 270 may be configured to acquire candidate information using some information other than the success/failure database.
• the detection unit 210 detects the application 100 included in the in-vehicle ECU 111 or the external device with a new function.
• the present invention is not limited to this configuration.
• the detection unit 210 may be configured to detect an in-vehicle ECU 111 or an external device that is added to the network 12 and is not equipped with the application 100 as a new functional unit.
• the generation unit 220 when the generation unit 220 receives success/failure information indicating “unsatisfied” from the setting processing unit 230, the generation unit 220 changes the generation condition of the configuration information, and changes the generation condition after the change.
• the configuration is such that configuration information is newly generated according to the configuration information, the configuration is not limited to this.
• the generation unit 220 may be configured not to generate new configuration information even if it receives success/failure information indicating “failure”. In this case, for example, the notification unit 250 notifies the new functional unit that the new functional unit will not be added to the network 12.
• the generation unit 220 when the generation unit 220 acquires the configuration information of the existing network from the storage unit 240, the generation unit 220 generates the functional unit information of the new function unit and the acquired configuration information of the existing network.
• the configuration information of the new network is generated based on the above, the present invention is not limited to this. Even if the generation unit 220 acquires the configuration information of the existing network from the storage unit 240, the generation unit 220 acquires the functional unit information from one or more existing functional units depending on the content of the functional unit information of the new functional unit.
• the configuration information of the new network may be generated based on the functional unit information of the new functional unit, the functional unit information of the existing functional unit, and the acquired configuration information of the existing network.
• the notification unit 250 selects a function whose settings need to be changed from one or more existing function units included in the existing network and a new function unit.
• the present invention has been described as having a configuration in which the specified functional unit is specified and the setting contents are notified to the specified functional unit, the present invention is not limited to this.
• the notification unit 250 may be configured to notify all the functional units in the new network of the setting content without specifying the functional unit whose setting content needs to be changed.
• the management unit 200 is configured to be included in the relay device 112 in the network 12, but the configuration is not limited to this. A part or all of each unit in the management section 200 may be included in a device other than the relay device 112 in the network 12, or may be provided outside the network 12. Note that the configuration in which the management unit 200 is included in the relay device 112 in a star topology as shown in FIG. 2, for example, allows the management unit 200 to perform each of the above processes more efficiently.
• the management section 200 may have a configuration that does not include the setting processing section 230 and the notification section 250.
• the storage unit 240 may be provided outside the relay device 112, which is an example of a management device.
• the management unit 200 may be realized by the server 180.
• part or all of the functions of the management unit 200 according to the embodiment of the present disclosure may be provided by cloud computing. That is, the management unit 200 according to the embodiment of the present disclosure may be configured by a plurality of cloud servers or the like.
• networks that require low cost such as networks that include in-vehicle functional units such as in-vehicle ECUs
• networks that include in-vehicle functional units such as in-vehicle ECUs
• communication band constraints described above so it is difficult to add new features to the network while maintaining stable network operation. It may be difficult to add functional units.
• a new network can be constructed using the network feasibility verification results generated in advance.
• Each process (each function) of the above-described embodiment is realized by a processing circuit (Circuitry) including one or more processors.
• the processing circuit may include an integrated circuit or the like in which one or more memories, various analog circuits, and various digital circuits are combined.
• the one or more memories store programs (instructions) that cause the one or more processors to execute each of the above processes.
• the one or more processors may execute each of the above processes according to the program read from the one or more memories, or may execute each of the above processes according to a logic circuit designed in advance to execute each of the above processes. May be executed.
• the above processors include a CPU (Central Processing Unit), a GPU (Graphics Processing Unit), a DSP (Digital Signal Processor), and an FPGA (Field Programmer). various types that are compatible with computer control, such as mmable Gate Array) and ASIC (Application Specific Integrated Circuit). processor.
• the plurality of physically separated processors may cooperate with each other to execute each of the above processes.
• the above-mentioned processors installed in each of a plurality of physically separated computers cooperate with each other via networks such as LAN (Local Area Network), WAN (Wide Area Network), and the Internet to perform the above-mentioned processes. May be executed.
• the above program may be installed in the above memory from an external server device etc.
• CD-ROM Compact Disc Read Only Memory
• DVD-ROM Digital Versatile Disk Read Only Memory
• semiconductors It may be distributed in a state stored in a recording medium such as a memory, and installed into the memory from the recording medium.
• a detection unit that detects addition of a functional unit to a network including one or more in-vehicle functional units; If the functional unit information of the in-vehicle functional unit is acquired, and the target information that is the functional unit information of the new functional unit whose addition is detected by the detection unit cannot be acquired from the new functional unit, the target information an acquisition unit that acquires the target information by transmitting candidate information indicating candidates and receiving a selection result of the candidates indicated by the candidate information; a generation unit that generates configuration information of a new network that is the network further including the new function unit, based on the each function unit information acquired by the acquisition unit,
• the acquisition unit is a management device that transmits the candidate information to a navigation device in the network, and receives the selection result based on the content of a user's operation on the navigation device.
• the processing circuit includes: Detecting addition of a functional unit to a network including one or more in-vehicle functional units, acquiring functional unit information of the in-vehicle functional unit, and detecting the addition of a new functional unit that is the functional unit whose addition has been detected by the detection unit.
• target information that is functional unit information cannot be acquired from the new functional unit
• the target information is acquired by transmitting candidate information indicating candidates for the target information and receiving selection results of candidates indicated by the candidate information.
• a management device that generates configuration information of a new network, which is the network further including the new functional unit, based on the acquired functional unit information.

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• 2023
  • 2023-05-23 CN CN202380053627.0A patent/CN119487793A/zh active Pending
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  • 2023-05-23 US US19/099,584 patent/US20260046202A1/en active Pending
  • 2023-05-23 WO PCT/JP2023/019126 patent/WO2024029166A1/ja not_active Ceased

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