CN115643232A - Vehicle terminal network communication link control method and device and electronic equipment - Google Patents

Abstract

The application provides a vehicle terminal network communication link control method and device and electronic equipment. When the method is executed, firstly, VLAN is distributed to each ECU; then, for each ECU, local host network address configuration is carried out according to the service request; binding the VLAN with the corresponding APN; then, the target data of the target VLAN is sent to the target APN by using the NAT technology; and finally, the target APN is utilized to complete the transmission of target data. Therefore, the configuration of the accessed network address is completed by using the core technologies of the VLAN, the NAT and the APN, and the scheme of configuring a white list in the prior art is replaced, so that the problem that software version development and maintenance cost are high due to software upgrading when a new service is added is avoided. Meanwhile, different APNs are bound according to different services of the vehicle end to realize data distribution division and separate charging, and the operation cost is reduced.

Description

Vehicle terminal network communication link control method and device and electronic equipment

Technical Field

The application relates to the technical field of intelligent automobiles, in particular to a vehicle terminal network communication link control method and device and electronic equipment.

Background

With the continuous development of science and technology, automobiles tend to be more intelligent, in order to adapt to the development of automobile intelligence, the requirements of automobile terminals on network links are higher and higher, and the network link design of the automobile terminals is more and more complex. In order to ensure the security and reliability of the network link of the vehicle terminal, the vehicle terminal needs to perform division management on network services, such as: the system is divided into a video entertainment domain, an intelligent driving domain, a remote control domain, a vehicle end data management domain, a national data platform domain and the like.

In the prior art, the website access authority is managed by configuring a white list by a vehicle terminal, the white list needs to be modified whenever a new service is added, and the vehicle terminal needs to update software due to network adjustment, which not only causes difficulty in maintaining the software version, but also causes waste of development and maintenance cost.

Disclosure of Invention

In view of this, the present application provides a method and an apparatus for controlling a vehicle terminal network communication link, and an electronic device, and aims to solve the problem in the prior art that a white list is configured by a vehicle terminal to manage website access permissions, which results in high software version development and maintenance costs.

In a first aspect, the present application provides a vehicle terminal network communication link control method, including:

allocating a VLAN to each ECU;

for each ECU, local host network address configuration is carried out according to the service request;

binding the VLAN with the corresponding APN;

sending target data of the target VLAN to the target APN by using an NAT technology;

and completing the transmission of target data by using the target APN.

Optionally, before the binding the VLAN and the corresponding APN, the method further includes:

and carrying out APN division according to the service type of the network.

Optionally, after the VLAN is assigned to each ECU, the method further includes:

if the first ECU and the second ECU support the same VLAN, the first ECU and the second ECU can carry out local communication.

Optionally, the method further includes:

when a target ECU accesses an external network, a VLAN network address corresponding to a vehicle-mounted wireless terminal or a remote information control unit is added in the target ECU;

and taking the VLAN network address corresponding to the added vehicle-mounted wireless terminal or the remote information control unit as the gateway address of the target ECU.

Optionally, the configuring, for each ECU, a network address of a local host according to the service request specifically includes:

according to the local host network address configuration rule, for each ECU, the local host network address configuration is carried out according to the service request; the local host network address configuration rule at least comprises a local host network number and a local host network address.

In a second aspect, the present application provides a vehicle terminal network communication link control apparatus, the apparatus comprising: the device comprises a distribution module, a first configuration module, a binding module, a sending module and a transmission module;

the distribution module is used for distributing VLAN to each ECU;

the first configuration module is used for configuring the network address of the local host for each ECU according to the service request;

the binding module is used for binding the VLAN with the corresponding APN;

the sending module is used for sending the target data of the target VLAN to the target APN by using an NAT technology;

and the transmission module is used for completing the transmission of target data by using the target APN.

Optionally, the apparatus further includes a dividing module, and before the VLAN is bound to the corresponding APN, the dividing module is specifically configured to:

and carrying out APN division according to the service type of the network.

Optionally, the apparatus further includes a communication module, and after the VLAN is assigned to each ECU, the communication module is specifically configured to:

and if the first ECU and the second ECU support the same VLAN, the first ECU and the second ECU carry out local communication by utilizing the communication module.

Optionally, the apparatus further includes a second configuration module, and the second control module is specifically configured to:

when a target ECU accesses an external network, a VLAN network address corresponding to a vehicle-mounted wireless terminal or a remote information control unit is added in the target ECU;

and taking the VLAN network address corresponding to the added vehicle-mounted wireless terminal or the remote information control unit as the gateway address of the target ECU.

In a third aspect, the present application provides an electronic device, comprising: a memory and a processor; wherein the memory is used for storing programs;

the processor calls a program and is configured to perform the method of the first aspect of the application.

The application provides a vehicle terminal network communication link control method and device and electronic equipment. When the method is executed, firstly, VLAN is distributed to each ECU; then, for each ECU, local host network address configuration is carried out according to the service request; binding the VLAN with the corresponding APN; then, the target data of the target VLAN is sent to the target APN by using the NAT technology; and finally, the target APN is utilized to complete the transmission of target data. Thus, the network address configuration of the local host is carried out according to the service request, the NAT technology is utilized to send the target data of the target VLAN to the bound target APN, and the target APN is utilized to complete the transmission of the target data. The configuration of the accessed network address is completed by using VLAN, NAT and APN core technologies, and the scheme of configuring a white list in the prior art is replaced, so that the problem that software version development and maintenance cost are high due to the fact that software upgrading is needed when a new service is added is avoided.

Drawings

To illustrate the technical solutions in the present embodiment or the prior art more clearly, the drawings needed to be used in the description of the embodiment or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a flowchart of a vehicle terminal network communication link control method according to an embodiment of the present disclosure;

fig. 2 is a service block diagram provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a vehicle terminal network communication link control device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of another vehicle terminal network communication link control device according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of another vehicle terminal network communication link control device according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of another vehicle terminal network communication link control device according to an embodiment of the present application.

Detailed Description

With the continuous development of science and technology, automobiles tend to be more intelligent, in order to adapt to the development of automobile intelligence, the requirements of automobile terminals on network links are higher and higher, and the network link design of the automobile terminals is more and more complex. In order to ensure the security and reliability of the network link of the vehicle terminal, the vehicle terminal needs to perform division management on network services, such as: the system comprises a video entertainment domain, an intelligent driving domain, a remote control domain, a vehicle end data management domain, a national data platform domain and the like.

In the prior art, the website access authority is managed by configuring a white list by a vehicle terminal, the white list needs to be modified whenever a new service is added, and the vehicle terminal needs to update software due to network adjustment, which not only causes difficulty in maintaining the software version, but also causes waste of development and maintenance cost.

In view of this, the problems of frequent upgrading of equipment and increase of maintenance cost are caused by the need of frequently modifying network configuration and white lists for increasing and adjusting vehicle-end services; the inventor of the application proposes the scheme protected by the application, and the whole vehicle service is as follows according to the network type: the private network, the public network, the directional service and the like are divided into APNs; binding a designated port and a VLAN node to a designated APN through an NAT technology; each ECU of the vehicle terminal configures a local route according to service needs, so that the problem of frequently modifying a device network configuration table and a white list can be solved.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1, fig. 1 is a flowchart of a vehicle terminal network communication link control method provided in an embodiment of the present application, including:

and S101, allocating a VLAN to each ECU.

The gateway or the central computing unit divides the ECU of the whole vehicle into different VLANs to realize local service isolation. For example, the specific division manner may adopt the following manner:

the cockpit module HUT: VLAN2, VLAN3, VLAN4, VLAN11, VALN12 and VLAN13 are supported;

vehicle-mounted terminal control unit TBOX: support VLAN2, VLAN3, VLAN4, VLAN11, VALN12, VLAN13, VLAN19;

intelligent driving module IDC: support VLAN2, VLAN3, VLAN4, VLAN11, VLAN13, VLAN19;

the camera acquisition module DVR/VIMS: support VLAN2, VLAN3, VLAN4, VLAN12, VLAN13;

emergency call service ECALL: VLAN2 is supported.

Different VLANs are divided by each ECU according to the service, so that the safety isolation of the local network is realized. Namely: the same VLAN is supported only when related services are needed, and therefore data safety and communication safety of a vehicle end are improved. The TBOX binds different APN nodes according to different VLANs divided by the whole vehicle service, solves the defects of a white list and an IP access mode, and reduces the cost waste caused by software upgrading due to service addition, adjustment, deletion and the like.

And S102, configuring the network address of the local host for each ECU according to the service request.

Each ECU configures different local host network addresses for respective network service requests. In order to ensure the network security of the vehicle end, the whole vehicle accesses an external network through a TBOX, the TBOX realizes different local IP configurations according to the service requirements and VLAN configuration rules, and the external network IP is invisible to all other ECUs.

The method for local IP configuration may be: and each ECU realizes the division of all corresponding VLAN IP addresses according to the VLAN service requirement, and ensures that the ECUs in the same VLAN domain realize uniform network configuration. For example:

TBOX：

VLAN13 corresponds to an IP address: 172.68.13.xx; the VLAN is a routing address of a private network unified vehicle terminal host;

VLAN19 corresponds to an IP address: 172.68.19.xx; this VLAN unifies the vehicle end-host routing addresses for directed traffic.

ICU：

VLAN13 corresponds to an IP address: 172.68.13.Xxx;

VLAN19 corresponds to the IP address: 172.68.19.Xxx.

And S103, binding the VLAN with the corresponding APN.

For example, TBOX may bind VLAN19 to APN3 and general extranet data VLAN13 to APN2.

And S104, sending the target data of the target VLAN to the target APN by using the NAT technology.

For example, data of VLAN19 is transmitted to APN3 and data of VLAN13 is transmitted to APN2 by using NAT technology. The target VLAN is any one of a plurality of VLANs, and the target data is data corresponding to the target VLAN; the target APN is an APN corresponding to the target VLAN.

And S105, completing the transmission of target data by using the target APN.

The embodiment of the application provides a vehicle terminal network communication link control method. When the method is executed, firstly, VLAN is distributed to each ECU; then, for each ECU, local host network address configuration is carried out according to the service request; binding the VLAN with the corresponding APN; then, the target data of the target VLAN is sent to the target APN by using the NAT technology; and finally, the target APN is utilized to complete the transmission of the target data. Thus, local host network address configuration is carried out according to the service request, target data of the target VLAN is sent to the bound target APN by using the NAT technology, and the target data transmission is completed by using the target APN. The VLAN, NAT and APN technologies are used for completing vehicle-end network link configuration, a scheme of white list configuration in the prior art is replaced, software upgrading is avoided when new services are added, and the problem of high software version development and maintenance cost is avoided.

Further, in an optional embodiment of the present application, before the VLAN is bound to the corresponding APN, the APNs may be divided according to a service type of the network. For example, a vehicle terminal TBOX may implement multiple APN nodes: APN1, APN2 and APN3; the APN1, APN2 and APN3 are APNs for dividing APNs according to service types of networks, and the specific dividing mode is as follows:

APN1 private network: the special network and special line form is adopted, and the characteristics are high flow cost and strong safety. The method mainly completes vehicle-end private services such as: remote control, vehicle activation, management, and services related to user privacy data issues.

APN2 public network: the common network is characterized by low flow and security which can generally satisfy the common data service. The system mainly completes the business of vehicle-end entertainment, audio and video, wi-Fi hotspot sharing and the like, and provides entertainment and network service for customers.

APN3 directed traffic: the common network is characterized by low traffic cost, supporting the traffic pool form and general safety. The method mainly completes vehicle-end large data traffic services such as: video return and big data return.

The embodiment of the application has the following beneficial effects: the purpose of reducing cost of differential flow charging is realized through different APN division, and meanwhile, safe access isolation is realized. Further, in an alternative embodiment of the present application, after each ECU configures a network service request with a different local host network address, for example, TBOX configures VLAN13 with an IP address 172.68.13.Xx corresponding to the VLAN13; the VLAN is a routing address of a private network unified vehicle terminal host; configuring VLAN19 to correspond to an IP address of 172.68.19.Xx; this VLAN unifies the vehicle end-host routing addresses for directed traffic. The ICU configures VLAN13 corresponding to an IP address of 172.68.13.Xxx; VLAN19 corresponds to an IP address of 172.68.19.Xxx. When the first ECU and the second ECU both support VLAN13 or VALN19, local communication at the vehicle end can be realized. The first ECU and the second ECU may be a TBOX and an ICU, respectively. If the user wants to access the external network IP, a VLAN network address corresponding to the vehicle-mounted wireless terminal or the remote information control unit is added in the target ECU; and taking the VLAN network address corresponding to the added vehicle-mounted wireless terminal or the remote information control unit as the gateway address of the target ECU. That is, only the IP address of VLAN19 whose local host address is TBOX needs to be configured, in this embodiment of the present application, the entire vehicle is set to access the network through TBOX, and VLAN19 supports internet access.

The embodiment of the application has the following beneficial effects: the whole vehicle is set to access the network through the TBOX, so that the network security of the vehicle end can be ensured.

Further, in an optional embodiment of the present application, in the above embodiment, the step S102 may be specifically implemented in the following manner:

according to the network address configuration rule of the local host, for each ECU, the network address configuration of the local host is carried out according to the service request; for example, if the ICU needs to walk around a directed traffic node, it sends the data to TBOX VLAN19, or if it is normal extranet data, to TBOX VLAN13. The configuration rule of VLAN IP is 172.68.13.Xx, where 13 represents the corresponding VLAN ID and xx represents the VLAN local IP address.

The embodiment of the application has the following beneficial effects: through the arrangement of the embodiment of the application, the vehicle terminal does not cause planning adjustment of the vehicle terminal because of adjustment of other ECUs, and risks and cost waste caused by software upgrading are reduced.

Referring to fig. 2, fig. 2 is a service block diagram provided in an embodiment of the present application, and a specific service flow for execution includes:

1. configuring VLAN supported by each ECU for the whole vehicle; such as: TBOX supports VLAN19 (direct), VLAN13 (private network);

2. and the ECU sends the data to the designated local host IP according to the service requirement of the ECU. If the ICU needs to walk the directional flow node, the data is sent to the TBOX VLAN19, and if the data is the common external network data, the data is sent to the TBOX VLAN13;

3. TBOX defaults to bind VLAN19 data to APN3, and binds general extranet data VLAN13 to APN2;

4. the data sends the data of VALN19 or VLAN13 to a default APN (APN) through NAT technology;

5. completing data forwarding; at which point TBOX culls local white list plans.

TBOX establishes RTM connection with an operator to complete multi-path APN dialing and obtain an IP address. TBOX then establishes a secure connection with the private cloud based on TLS mutual authentication.

The TBOX forwards the public cloud service request out through a two-layer network by an iptable technology.

Therefore, the requirement for TBOX intranet deployment is simplified through the VLAN technology, and uniform distribution according to services is realized; by using NAT and APN technology, the white list scheme is abandoned, data transparent transmission and forwarding are realized, and the software development and maintenance cost is reduced.

The foregoing provides some specific implementation manners of a vehicle terminal network communication link control method for the embodiments of the present application, and based on this, the present application also provides a corresponding vehicle terminal network communication link control device. The device provided by the embodiment of the present application will be described in terms of functional modularity.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a vehicle terminal network communication link control device according to an embodiment of the present application, where the device includes: an allocation module 301, a first configuration module 302, a binding module 303, a sending module 304, and a transmission module 305;

the allocating module 301 is configured to allocate a VLAN to each ECU;

the first configuration module 302 is configured to configure a local host network address for each ECU according to a service request;

the binding module 303 is configured to bind the VLAN with the corresponding APN;

the sending module 304 is configured to send the target data of the target VLAN to the target APN by using an NAT technology;

the transmission module 305 is configured to complete transmission of target data by using the target APN.

The embodiment of the application provides a vehicle terminal network communication link control device which is used for executing a corresponding vehicle terminal network communication link control method. When the method is executed, firstly, VLAN is distributed to each ECU; then, for each ECU, local host network address configuration is carried out according to the service request; binding the VLAN with the corresponding APN; then, the target data of the target VLAN is sent to the target APN by using the NAT technology; and finally, the target APN is utilized to complete the transmission of target data. Thus, local host network address configuration is carried out according to the service request, target data of the target VLAN is sent to the bound target APN by using the NAT technology, and the target data transmission is completed by using the target APN. The configuration of the accessed network address is completed by using VLAN, NAT and APN core technologies, and the scheme of configuring a white list in the prior art is replaced, so that the problem that software version development and maintenance cost are high due to the fact that software upgrading is needed when a new service is added is avoided.

Referring to fig. 4, fig. 4 is a schematic structural diagram of another vehicle terminal network communication link control device provided in the embodiment of the present application, where the device further includes a dividing module 306, and before the VLAN is bound to a corresponding APN, the dividing module 306 is specifically configured to:

and carrying out APN division according to the service type of the network.

Referring to fig. 5, fig. 5 is a schematic structural diagram of another vehicle terminal network communication link control device according to an embodiment of the present application, where the device further includes a communication module 307, and after the VLAN is assigned to each ECU, the communication module 307 is specifically configured to:

if the first ECU and the second ECU support the same VLAN, the first ECU and the second ECU perform local communication using the communication module 307.

Referring to fig. 6, fig. 6 is a schematic structural diagram of another vehicle terminal network communication link control apparatus provided in the embodiment of the present application, where the apparatus further includes a second configuration module 308, and the second control module 308 is specifically configured to:

when a target ECU accesses an external network, a VLAN network address corresponding to a vehicle-mounted wireless terminal or a remote information control unit is added in the target ECU; and taking the VLAN network address corresponding to the added vehicle-mounted wireless terminal or the remote information control unit as the gateway address of the target ECU.

An embodiment of the present application provides an electronic device, which includes: a memory and a processor; wherein the memory is used for storing programs;

the processor calls a program and is used for executing the vehicle terminal network communication link control method provided by the embodiment.

In the names of "first ECU", "second ECU", etc., mentioned in the embodiments of the present application, "first" and "second" are used merely for name identification, and do not represent first and second in order.

As can be seen from the above description of the embodiments, those skilled in the art can clearly understand that all or part of the steps in the above embodiment methods can be implemented by software plus a general hardware platform. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a read-only memory (ROM)/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network communication device such as a router) to execute the method according to the embodiments or some parts of the embodiments of the present application.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus embodiment, since it is substantially similar to the method embodiment, it is relatively simple to describe, and reference may be made to some descriptions of the method embodiment for relevant points. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement without inventive effort.

The above description is only an exemplary embodiment of the present application, and is not intended to limit the scope of the present application.

Claims (10)

1. A vehicle terminal network communication link control method, the method comprising:

distributing a virtual local area network VLAN to each electronic control unit ECU;

for each ECU, local host network address configuration is carried out according to the service request;

binding the VLAN with the corresponding network node APN;

sending target data of the target VLAN to the target APN by using a Network Address Translation (NAT) technology;

and completing the transmission of target data by using the target APN.

2. The method of claim 1, wherein prior to said binding the VLAN to the corresponding APN, the method further comprises:

and carrying out APN division according to the service type of the network.

3. The method of claim 1, wherein after said assigning a VLAN to each ECU, the method further comprises:

if the first ECU and the second ECU support the same VLAN, the first ECU and the second ECU can carry out local communication.

4. The method of claim 1, further comprising:

when a target ECU accesses an external network, a VLAN network address corresponding to a vehicle-mounted wireless terminal or a remote information control unit is added in the target ECU;

and taking the VLAN network address corresponding to the added vehicle-mounted wireless terminal or the remote information control unit as the gateway address of the target ECU.

5. The method according to claim 1, wherein the configuring, for each ECU, a local host network address according to a service request specifically comprises:

according to the network address configuration rule of the local host, for each ECU, the network address configuration of the local host is carried out according to the service request; the local host network address configuration rule at least comprises a local host network number and a local host network address.

6. A vehicle terminal network communication link control apparatus, the apparatus comprising: the device comprises a distribution module, a first configuration module, a binding module, a sending module and a transmission module;

the distribution module is used for distributing VLAN to each ECU;

the first configuration module is used for configuring the network address of the local host for each ECU according to the service request;

the binding module is used for binding the VLAN with the corresponding APN;

the sending module is used for sending the target data of the target VLAN to the target APN by using an NAT technology;

and the transmission module is used for completing the transmission of target data by using the target APN.

7. The apparatus according to claim 6, wherein the apparatus further comprises a partitioning module, and before the binding of the VLAN with the corresponding APN, the partitioning module is specifically configured to:

and carrying out APN division according to the service type of the network.

8. The apparatus according to claim 6, further comprising a communication module, after said assigning a VLAN to each ECU, specifically configured to:

and if the first ECU and the second ECU support the same VLAN, the first ECU and the second ECU carry out local communication by utilizing the communication module.

9. The apparatus according to claim 6, further comprising a second configuration module, the second control module being specifically configured to:

when a target ECU accesses an external network, a VLAN network address corresponding to a vehicle-mounted wireless terminal or a remote information control unit is added in the target ECU;

and taking the VLAN network address corresponding to the added vehicle-mounted wireless terminal or the remote information control unit as the gateway address of the target ECU.

10. An electronic device, characterized in that the electronic device comprises: a memory and a processor; wherein the memory is used for storing programs;

the processor calls a program and is used to execute the vehicle terminal network communication link control method of any one of claims 1 to 5.

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