CN107040483A - A kind of method for sending information of vehicle communication system and vehicle communication system - Google Patents
A kind of method for sending information of vehicle communication system and vehicle communication system Download PDFInfo
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- CN107040483A CN107040483A CN201710193506.2A CN201710193506A CN107040483A CN 107040483 A CN107040483 A CN 107040483A CN 201710193506 A CN201710193506 A CN 201710193506A CN 107040483 A CN107040483 A CN 107040483A
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- domain gateway
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
- H04L49/3081—ATM peripheral units, e.g. policing, insertion or extraction
- H04L49/309—Header conversion, routing tables or routing tags
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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- Computer Networks & Wireless Communication (AREA)
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Abstract
This disclosure relates to the method for sending information and vehicle communication system of a kind of vehicle communication system.The system includes interchanger, at least one function domain gateway and at least one controller；First controller is sent to interchanger by the first function domain gateway information that will E-Packet, interchanger determines the second function domain gateway according to the information that E-Packets, and the information that will E-Packet is sent to the second function domain gateway, then second controller is sent to by the second function domain gateway information that will E-Packet.So, first controller to second controller transmission when information is E-Packeted, forwarding by the first function domain gateway and interchanger to the information that E-Packets respectively, determine the second function domain gateway of control second controller message forwarding, second controller is sent to by the second function domain gateway information that will E-Packet again, the degree of accuracy of message forwarding is improved.
Description
Technical field
This disclosure relates to areas of information technology, in particular it relates to the letter of a kind of vehicle communication system and vehicle communication system
Cease sending method.
Background technology
With making rapid progress for science and technology, automobile plays more and more important role in the life of people, meanwhile, people
Various performances for automobile it is also proposed higher requirement.To adapt to the various demands of people, automobile gradually moves towards intelligent,
Various intelligent controllers also emerge in an endless stream.So, the control system of vehicle becomes more complicated, and wherein needs the number of transmission
Also greatly added according to amount.
Because Ethernet disclosure satisfy that the demand of the transmission of massive dataflow, Ethernet is gradually applied to auto communication net
In network.In correlation technique, the core network of Ethernet automotive communication network is constituted using multiple function domain gateways, wherein, often
Individual function domain gateway is connected with multiple controllers.In Ethernet automotive communication network, message information is sent to phase by controller
Message information is sent to other function domain gateways, other work(by corresponding function domain gateway, function domain gateway by Ethernet
Message information is transmitted to the controller being connected with other function domain gateways by energy domain gateway again.
However, function domain gateway is when information is sent, all function domain gateways in access network based on ethernet can all be received
The information, need not more so receive the controller of the information can also receive this information.So that controller is by unnecessary
Information interference, cause junk information to block, and network resources waste.
The content of the invention
To overcome problem present in correlation technique, present disclose provides a kind of vehicle communication system and vehicle communication system
Method for sending information, improve message forwarding specific aim, reduce waste and the information occlusion of Internet resources.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of method for sending information of vehicle communication system, the system
System includes interchanger, the first function domain gateway and the first controller, wherein, the interchanger connects with the first function domain gateway
Connect, first controller is connected with the first function domain gateway, and methods described includes：
Message information is sent to and the first function domain gateway by first controller；
When the message information is to E-Packet information, the first function domain gateway sends out the information that E-Packets
Give the interchanger；
The interchanger information that E-Packeted according to determines the second function domain gateway；
The information that E-Packets is sent to the second function domain gateway by the interchanger；
The information that E-Packets is sent to second controller by the second function domain gateway, the second controller with
The second function domain gateway connection.
Alternatively, when the message information is to E-Packet information, the first function domain gateway reports the forwarding
Literary information is sent to the interchanger, including：
The first function domain gateway determines the first forwarding identification information corresponding with the information that E-Packets；
Described first forwarding identification information is added in the information that E-Packets by the first function domain gateway；
The information that E-Packets for carrying the first forwarding identification information is sent to institute by the first function domain gateway
State interchanger；
The interchanger information that E-Packeted according to determines the second function domain gateway, including：
The interchanger extracts the first forwarding identification information from the information that E-Packets；
The interchanger determines the second function domain gateway corresponding with the described first forwarding identification information.
Alternatively, when the message information is to E-Packet information, the first function domain gateway reports the forwarding
Literary information is sent to the interchanger, including：
It is described E-Packet information including M son E-Packet information when, the first function domain gateway is by the M
Son that Information encapsulation is N number of protocol data unit format that E-Packets E-Packets information, wherein, M is just whole more than 2
Number, N is the positive integer less than M；
The son of N number of protocol data unit format is E-Packeted Information encapsulation for P by the first function domain gateway
The son of ether frame format E-Packets information, wherein, P is the positive integer less than N；
The son of the P ether frame format information that E-Packets is sent to the exchange by the first function domain gateway
Machine.
Alternatively, when the message information is to E-Packet information, the first function domain gateway reports the forwarding
Literary information is sent to the interchanger, including：
Safety verification code is added in the information that E-Packets by the first function domain gateway；
The information that E-Packets for carrying the safety verification code is sent to the exchange by the first function domain gateway
Machine；
The information that E-Packets is sent to second controller by the second function domain gateway, including：
The second function domain gateway carries out safety check to the information that E-Packets for carrying the safety verification code, obtains
To safety check code；
When safety check code is matched with safety verification code, the second function domain gateway will carry described
The information that E-Packets of safety verification code is sent to the second controller.
Alternatively, the safety verification code includes first kind safety verification code and Equations of The Second Kind safety verification code, wherein, it is described
The safety check complexity of first kind safety verification code and the safety check complexity of Equations of The Second Kind safety verification code are not
Together；
Safety verification code is added in the information that E-Packets by the first function domain gateway, including：
It is described when the second forwarding identification information carried in the information that E-Packets is that the first kind forwards identification information
First function domain gateway will E-Packet information described in first kind safety verification code write-in；
When the described second forwarding identification information is that Equations of The Second Kind forwards identification information, the first function domain gateway will be described
E-Packet information described in the code write-in of Equations of The Second Kind safety verification.
According to the second aspect of the embodiment of the present disclosure there is provided a kind of vehicle communication system, the system includes：
Interchanger；
First function domain gateway, is connected with the interchanger；
First controller, is connected with the first function domain gateway；
Second function domain gateway, is connected with the interchanger；
Second controller, is connected with the second function domain gateway；
Wherein, first controller is used to message information being sent to the first function domain gateway；First work(
Energy domain gateway is used to, when the message information is to E-Packet information, the information that E-Packets is sent into the exchange
Machine；The interchanger information that is used to E-Packeting according to determines the second function domain gateway, and by the forwarding
Message information is sent to the second function domain gateway；The second function domain gateway is used to send the information that E-Packets
To the second controller.
Alternatively, the first function domain gateway includes：
First determining module, for determining the first forwarding identification information corresponding with the information that E-Packets；
First add module, for the described first forwarding identification information to be added in the information that E-Packets；
First sending module, it is described for the information that E-Packets for carrying the first forwarding identification information to be sent to
Interchanger；
The interchanger includes：
Extraction module, for extracting the first forwarding identification information from the information that E-Packets；
Second determining module, for determining the second function domain gateway corresponding with the described first forwarding identification information.
Alternatively, the first function domain gateway includes：
First package module, for it is described E-Packet information including M son E-Packet information when, by the M
Son that Information encapsulation is N number of protocol data unit format that E-Packets E-Packets information, wherein, M is just whole more than 2
Number, N is the positive integer less than M；
Second package module, for by the son of N number of protocol data unit format E-Packet Information encapsulation for P with
The son of too frame format E-Packets information, wherein, P is the positive integer less than N；
Second sending module, for the son of the P ether frame format information that E-Packets to be sent into the interchanger.
Alternatively, the first function domain gateway includes：
Second add module, for safety verification code to be added in the information that E-Packets；
3rd sending module, for the information that E-Packets for carrying the safety verification code to be sent into the exchange
Machine；
The second function domain gateway includes：
Safety check module, for carrying out safety check to the information that E-Packets for carrying the safety verification code, is obtained
To safety check code；
4th sending module, for when safety check code is matched with safety verification code, will carry described
The information that E-Packets of safety verification code is sent to the second controller.
Alternatively, the safety verification code includes first kind safety verification code and Equations of The Second Kind safety verification code, wherein, it is described
The safety check complexity of first kind safety verification code and the safety check complexity of Equations of The Second Kind safety verification code are not
Together；
Second add module includes：
First sub- add module, the second forwarding identification information for being carried in the information that E-Packets is the first kind
When forwarding identification information, by the information that E-Packeted described in first kind safety verification code write-in；
Second sub- add module, for when the described second forwarding identification information is that Equations of The Second Kind forwards identification information, by institute
State the information that E-Packeted described in the code write-in of Equations of The Second Kind safety verification.
Said one or multiple technical schemes in the embodiment of the present disclosure, at least have the following technical effect that：
The vehicle communication system that the disclosure is proposed includes interchanger, the first function domain gateway and the first controller；First control
Device processed is sent to interchanger by the first function domain gateway information that will E-Packet, and interchanger is determined according to the information that E-Packets
Second function domain gateway, and the information that will E-Packet is sent to the second function domain gateway, then will be forwarded by the second function domain gateway
Message information is sent to second controller.So, the first controller to second controller send E-Packet information when,
Forwarding by the first function domain gateway and interchanger to the information that E-Packets respectively, determines the second of control second controller
Function domain gateway, then second controller is sent to by the second function domain gateway information that will E-Packet, improve message forwarding
The degree of accuracy.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute a part for specification, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings：
Fig. 1 is a kind of flow chart of the method for sending information of vehicle communication system according to an exemplary embodiment.
Fig. 2 is a kind of schematic diagram of vehicle communication system according to an exemplary embodiment.
Fig. 3 is a kind of another flow of the method for sending information of vehicle communication system according to an exemplary embodiment
Figure.
Fig. 4 is a kind of another flow of the method for sending information of vehicle communication system according to an exemplary embodiment
Figure.
Fig. 5 is a kind of another flow of the method for sending information of vehicle communication system according to an exemplary embodiment
Figure.
Fig. 6 is a kind of another flow of the method for sending information of vehicle communication system according to an exemplary embodiment
Figure.
Fig. 7 is a kind of schematic diagram of vehicle communication system according to an exemplary embodiment.
Embodiment
It is described in detail below in conjunction with accompanying drawing embodiment of this disclosure.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
Controller is the One function module or system for controlling automobilism, auxiliary driving or automobile entertainment, such as carries out
The tire pressure monitoring system controller of tire pressure monitoring, controls the display controller of display image, or control turning for Vehicular turn
To controller.In automotive communication network, according to the function of controller, controller is divided into multiple domains, each domain is by a domain
Gateway control data transfer., it is necessary to which data (message information) transmission is carried out between each controller to be protected in vehicle operation
The normal operation of vehicle is demonstrate,proved, such as driver is sent to when reversing, it is necessary to which camera is photographed into rear view of vehicle image
In the display of automobile, to facilitate driver to watch rear situation.Due to some data (such as video datas, audio of transmission
Data) data volume it is very big, so disclosure satisfy that big data quantity transmission Ethernet be gradually applied in vehicle communication system.
By multiple functional domain gateway accessing Ethernets, that is, constitute the automotive communication network of Ethernet.
When message information is sent to reception controller by transmission controller, if receiving controller and sending controller not
In same domain, then send controller and message information is sent to the function domain gateway that control sends controller, function domain gateway
Data are sent in a broadcast manner by Ethernet, all function domain gateways of such access network based on ethernet can all receive hair
The message information of controller is sent, and is transmitted to controlled controller.So receive controller receive message information when
Wait, other controllers can also receive the message information, influence the operating efficiency of other controllers, and receive in other controllers
During required message information, these message informations can take the information transfer channel of other controllers, cause information occlusion.To car
Normally travel impact.
To solve problem above, present disclose provides the method for sending information of vehicle communication system and vehicle communication system,
Illustrate separately below.Fig. 1 is refer to, Fig. 1 is a kind of letter of vehicle communication system according to an exemplary embodiment
The flow chart of sending method is ceased, as shown in figure 1, the method comprising the steps of S11, step S12, step S13, step S14 and step
S15.Each step is illustrated in turn below.
In step s 11, message information is sent to the first function domain gateway by the first controller；
In step s 12, when the message information is to E-Packet information, the first function domain gateway described will turn
Hair message information is sent to the interchanger；
In step s 13, the interchanger information that E-Packeted according to determines the second function domain gateway；
In step S14, the information that E-Packets is sent to the second function domain gateway by the interchanger；
In step S15, the information that E-Packets is sent to second controller by the second function domain gateway, described
Second controller is connected with the second function domain gateway.
In the disclosure, auto communication breath system includes interchanger, multiple function domain gateways and multiple controllers, multiple functions
Domain gateway controls several controllers in multiple controllers respectively by ethernet access switch, each functional domain gateway control
Message forwarding.
Specifically, Fig. 2 is refer to, Fig. 2 is a kind of signal of vehicle communication system according to an exemplary embodiment
Figure.It can be divided into four big domains according to the function of controller in the disclosure：Vehicle body domain, power chassis domain, auxiliary drives domain, amusement system
System domain.Vehicle body domain includes：Tire pressure monitoring system controller, car body controller, combination instrument controller, automatic air conditioning controller etc.
Controller, the message for controlling these controllers by vehicle body domain gateway is forwarded；Power chassis domain includes：Engine controller, speed change
The controllers such as device controller, safety air sac controller, VSC controller, these controllers are controlled by vehicle body domain gateway
Message forwarding；Auxiliary, which drives domain, to be included：The controllers such as radar controller, camera controller, domain gateway control is driven by auxiliary
Make the message forwarding of these controllers；Entertainment systems domain includes：The controllers such as display controller, power amplification controller, by entertaining
The message forwarding of these controllers of system domain gateway control.
The present embodiment is helped supplemented by the first function domain gateway and driven using the first controller as the camera controller installed in the tailstock
Domain gateway is sailed, second controller is display controller, and the second function domain gateway is exemplified by entertainment systems domain gateway.Work as driver
, it is necessary to which the rear view of vehicle image transmission that camera is shot is on the display of vehicle front, then needing shooting when reversing
The message information of rear view of vehicle image is sent to display controller by head controller.Then camera controller sends out message information
Give the auxiliary being connected with camera controller and drive domain gateway, auxiliary drives domain gateway when receiving message information, can sentenced
Disconnected message information is destined to other controllers of same area, is also destined to the controller in other domains.If being destined to same area
Other controllers, then auxiliary drive domain gateway message information is transmitted directly to controlled controller；If be destined to
The controller (i.e. message information is when E-Packeting information) in other domains, then be sent to interchanger by auxiliary driving domain gateway, by
Interchanger is forwarded.
Interchanger receive E-Packet information when can according to E-Packet information from four function domain gateways really
Entertainment systems domain gateway is made, and the information that E-Packets is sent to entertainment systems domain gateway, such entertainment systems domain gateway is just
The information that E-Packets can be sent to display controller.
By the method for the present embodiment, the information that will can E-Packet is forwarded targeted specifically, it is to avoid E-Packeted
Interference of the information to other controllers, reduces the obstruction to the information transfer channel of other controllers.
Alternatively, Fig. 3 is refer to, Fig. 3 is a kind of information of vehicle communication system according to an exemplary embodiment
Another flow chart of sending method.As shown in figure 3, the method comprising the steps of S301, step S302, step S303, step S304,
Step S305 and procedure described above S11, step S14 and step S15.
In step S301, the first function domain gateway determines the first forwarding corresponding with the information that E-Packets
Identification information；
In step s 302, the described first forwarding identification information is added to the forwarding and reported by the first function domain gateway
In literary information；
In step S303, the first function domain gateway will carry E-Packeting for the first forwarding identification information
Information is sent to the interchanger；
In step s 304, the interchanger extracts the first forwarding mark letter from the information that E-Packets
Breath；
In step S305, the interchanger determines the second functional domain net corresponding with the described first forwarding identification information
Close.
In the disclosure, the first corresponding relation of can be stored with the first function domain gateway message information and identification information,
Can also be stored with identification information and the second corresponding relation of function domain gateway in interchanger, when the first controller is sending forwarding report
When literary information, the first function domain gateway can just add the first forwarding mark according to the first corresponding relation in the information that E-Packets
Know information, and interchanger then can determine second function corresponding with the first forwarding identification information according to the second corresponding relation
Domain gateway, when interchanger will E-Packet information be transmitted to the second function domain gateway when, the second function domain gateway can with will turn
Hair message information is transmitted to second controller., can be according in message information repeating process by the method for the present embodiment
The forwarding of one function domain gateway and interchanger, progressively determines the purpose function domain gateway for receiving message information and purpose control
Device, it is ensured that the degree of accuracy of message forwarding.
Specifically, continue to continue to use above-mentioned example, auxiliary drives domain gateway and can be stored with pair of message information and identification information
Should be related to, when auxiliary drive domain gateway receive E-Packet information when, can be according to the message information of storage and identification information
Corresponding relation, determines the first forwarding identification information corresponding with the information that E-Packets, and the first forwarding identification information is added
It is added in the information that E-Packets, and is sent to interchanger.Interchanger can also be stored with the correspondence of identification information and function domain gateway
Relation, after the information that E-Packets is received, can extract the first forwarding identification information from the information that E-Packets, and from
The identification information and the corresponding relation of function domain gateway stored, determines from four function domain gateways and is identified with the first forwarding
The corresponding entertainment systems domain gateway of information, the information that will E-Packet is sent to entertainment systems domain gateway.Such entertainment systems domain net
Close receive E-Packet information when, with regard to can the information that will E-Packet be transmitted to display controller.
Alternatively, Fig. 4 is refer to, Fig. 4 is a kind of information of vehicle communication system according to an exemplary embodiment
Another flow chart of sending method.As shown in figure 4, the method comprising the steps of S401, step S402, step S403 and above institute
Step S11, step S13, step S14 and the step S15 stated.
In step S401, it is described E-Packet information including M son E-Packet information when, first functional domain
Gateway E-Packets the M son that Information encapsulation is N number of protocol data unit format that E-Packets information, wherein, M is
Positive integer more than 2, N is the positive integer less than M；
In step S402, the first function domain gateway E-Packets the son of N number of protocol data unit format
Information encapsulation E-Packets information for the son of P ether frame format, wherein, P is the positive integer less than N；
In step S403, the first function domain gateway by the son of the P ether frame format E-Packet information send out
Give the interchanger.
In the disclosure, function domain gateway can be packaged, so when information is E-Packeted to the information that E-Packets
The packaged information that E-Packets is forwarded again afterwards.E-Packeted letter because the information that E-Packets includes multiple (M) sons
Breath, in data encapsulation process, function domain gateway needs the information that E-Packeted to every height to handle, and packaging efficiency is relatively low.
So in the disclosure, the M son information that E-Packets is divided into N groups, N groups are encapsulated as N number of son and E-Packeted information simultaneously, then will
N number of son E-Packets information, is encapsulated as P son and E-Packets information, improves the packaging efficiency of message information.
Specifically, be by 10, N of M 5, P be 1 exemplified by.First function domain gateway first by 10 sons E-Packet information carry out
Classification, is divided into five groups, and 10 sons synchronizing information that E-Packets is encapsulated as the sons of 5 protocol data unit formats and E-Packeted
Information, then the son of 5 protocol data unit formats that Information encapsulation is 1 ether frame format that E-Packets is E-Packeted letter
Breath, and the son of the ether frame format information that E-Packets is transmitted to interchanger.
It should be noted that in the disclosure antithetical phrase E-Packet information block when, can also E-Packet information according to son
Type packet, the packet such as data volume size for the information that can also be E-Packeted according to son can be according to the actual feelings of user
Condition is set, and is not limited in the present embodiment.
Alternatively, Fig. 5 is refer to, Fig. 5 is a kind of information of vehicle communication system according to an exemplary embodiment
Another flow chart of sending method.As shown in figure 5, the method comprising the steps of S501, step S502, step S503, step S504
And procedure described above S11 and step S14.
In step S501, safety verification code is added in the information that E-Packets by the first function domain gateway；
In step S502, the first function domain gateway sends out the information that E-Packets for carrying the safety verification code
Give the interchanger；
In step S503, the second function domain gateway is entered to the information that E-Packets for carrying the safety verification code
Row safety check, obtains safety check code；
In step S504, when safety check code is matched with safety verification code, the second functional domain net
Close and the information that E-Packets for carrying the safety verification code is sent to the second controller.
Because the information that E-Packets of the first controller is by the first function domain gateway, interchanger and the second function domain gateway
Second controller can be just sent to, repeating process is more, and the message information of function domain gateway and switch processes is more, can
The situation of error forward can occurs.And these information that E-Packet be normally run closely bound up information with vehicle, it is necessary to
Ensure the degree of accuracy of information of E-Packeting.
So, safety verification code can be added in the disclosure in the information that E-Packets, when the second function domain gateway is received
To E-Packet information when, can first carry out safety check, obtain safety check code.If safety verification code and safe school
Test code mismatch when, safety check not over, show this E-Packet information forwarding mistake, the second function domain gateway need not
To the information that E-Packets is transmitted into second controller；If safety check code and the safety verification code in the information that E-Packets
Matching, then safety check passes through, and the second function domain gateway information that will E-Packet is transmitted to second controller.
By the method for the present embodiment, the second function domain gateway will could be forwarded only in the case of safety check is successful
Message information is transmitted to second controller, it is to avoid interference of the controller by the message information of error forward, improves message forwarding
The degree of accuracy.
Alternatively, Fig. 6 is refer to, Fig. 6 is a kind of information of vehicle communication system according to an exemplary embodiment
Another flow chart of sending method.As shown in fig. 6, the method comprising the steps of S601 and step S602 and procedure described above
S11, step S502, step S503, step S504 and step S14.
In step s 601, the second forwarding identification information carried in the information that E-Packets is that the first kind forwards mark
When knowing information, the first function domain gateway will E-Packet information described in first kind safety verification code write-in；
In step S602, when the described second forwarding identification information is that Equations of The Second Kind forwards identification information, first work(
Can domain gateway will be E-Packeted information described in Equations of The Second Kind safety verification code write-in.
Because some controllers can be connected (such as, display external connection storage apparatus plays video) with external equipment, when this
A little controllers may will be related to the information of vehicle driving safety or the privacy of vehicle is believed when with external equipment data transfer
Breath leakage, influences normal vehicle operation.So, in the disclosure, message letter is sent mutually in these controllers and other controllers
During breath, the grade of safety verification can be improved, use the high safety verification code of complexity.
Specifically, the message sent between the controller in entertainment systems domain and the controller in other regions is believed in the disclosure
Breath is set as that the first kind E-Packets information, and the information that E-Packets sent between the controller in other regions is Equations of The Second Kind forwarding
Message information, complexity of the complexity higher than Equations of The Second Kind safety verification code of first kind safety verification code.With the first control
Device is tire pressure monitoring system controller, and the first function domain gateway is exemplified by vehicle body domain gateway.When tire pressure monitoring system controller hair
Send when E-Packet information, the vehicle body domain gateway information that can judge to E-Packet is that the first kind E-Packets information or second
Class E-Packets information.If the information that E-Packets is destined to display controller, the information that judges to E-Packet is
One class is E-Packeted information, and the high first kind safety verification code write-in of complexity is E-Packeted in information；If forwarding report
Literary information is destined to camera controller, then the information that judges to E-Packet E-Packets information as Equations of The Second Kind, by complicated journey
The low Equations of The Second Kind safety verification code write-in of degree E-Packets in information.
By the method for the present embodiment, the degree of safety of message forwarding is improved, it is ensured that the normal operation of vehicle.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of vehicle communication system.Fig. 7 is refer to, Fig. 7 is according to one
A kind of schematic diagram of vehicle communication system shown in exemplary embodiment.As shown in fig. 7, the system 700 include interchanger 701,
First function domain gateway, the second function domain gateway, the first controller, second controller.
Interchanger 701, wherein；
First function domain gateway 702, is connected with the interchanger；
First controller 703, is connected with the first function domain gateway；
Second function domain gateway 704, is connected with the interchanger；
Second controller 705, is connected with the second function domain gateway；
Wherein, the first controller is used to message information being sent to the first function domain gateway；First functional domain
Gateway is used to, when the message information is to E-Packet information, the information that E-Packets is sent into the interchanger；Institute
State interchanger be used for according to described in the information that E-Packets determine the second function domain gateway, and by the letter that E-Packets
Breath is sent to the second function domain gateway；The second function domain gateway is described for the information that E-Packets to be sent to
Second controller.
Alternatively, the first function domain gateway includes：
First determining module, for determining the first forwarding identification information corresponding with the information that E-Packets；
First add module, for the described first forwarding identification information to be added in the information that E-Packets；
First sending module, it is described for the information that E-Packets for carrying the first forwarding identification information to be sent to
Interchanger；
The interchanger includes：
Extraction module, for extracting the first forwarding identification information from the information that E-Packets；
Second determining module, for determining the second function domain gateway corresponding with the described first forwarding identification information.
Alternatively, the first function domain gateway includes：
First package module, for it is described E-Packet information including M son E-Packet information when, by the M
Son that Information encapsulation is N number of protocol data unit format that E-Packets E-Packets information, wherein, M is just whole more than 2
Number, N is the positive integer less than M；
Second package module, for by the son of N number of protocol data unit format E-Packet Information encapsulation for P with
The son of too frame format E-Packets information, wherein, P is the positive integer less than N；
Second sending module, for the son of the P ether frame format information that E-Packets to be sent into the interchanger.
Alternatively, the first function domain gateway includes：
Second add module, for safety verification code to be added in the information that E-Packets；
3rd sending module, for the information that E-Packets for carrying the safety verification code to be sent into the exchange
Machine；
The second function domain gateway includes：
Safety check module, for carrying out safety check to the information that E-Packets for carrying the safety verification code, is obtained
To safety check code；
4th sending module, for when safety check code is matched with safety verification code, will carry described
The information that E-Packets of safety verification code is sent to the second controller.
Alternatively, the safety verification code includes first kind safety verification code and Equations of The Second Kind safety verification code, wherein, it is described
The safety check complexity of first kind safety verification code and the safety check complexity of Equations of The Second Kind safety verification code are not
Together；
Second add module includes：
First sub- add module, the second forwarding identification information for being carried in the information that E-Packets is the first kind
When forwarding identification information, by the information that E-Packeted described in first kind safety verification code write-in；
Second sub- add module, for when the described second forwarding identification information is that Equations of The Second Kind forwards identification information, by institute
State the information that E-Packeted described in the code write-in of Equations of The Second Kind safety verification.
Said one or multiple technical schemes in the embodiment of the present disclosure, at least have the following technical effect that：
The vehicle communication system that the disclosure is proposed includes interchanger, the first function domain gateway and the first controller；First control
Device processed is sent to interchanger by the first function domain gateway information that will E-Packet, and interchanger is determined according to the information that E-Packets
Second function domain gateway, and the information that will E-Packet is sent to the second function domain gateway, then will be forwarded by the second function domain gateway
Message information is sent to second controller.So, controller is when transmission E-Packets information, and interchanger can be according to turning
Hair message information determines purpose receiving terminal, and message forwarding is more targeted, while decreasing the information that E-Packets to being not required to
The controller for receiving the information that E-Packets is bothered, and reduces waste and the information occlusion of Internet resources.
Each functional module in the application each embodiment can be integrated in a processing unit or each
Module is individually physically present, can also two or more modules it is integrated in a unit.The realization of this technology is by each hard
Embedded software and application software in part module and hardware module are completed.The technical scheme of the application is substantially right in other words
The part that prior art contributes is embodied in the form of the logical algorithm of hardware module and software and software.
Described above, above example is implemented above only technical scheme to be described in detail
The explanation of example is only intended to the method and its core concept for helping to understand the present invention, should not be construed as limiting the invention.This
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.
Claims (10)
1. a kind of method for sending information of vehicle communication system, it is characterised in that the system includes interchanger, the first functional domain
Gateway and the first controller, wherein, the interchanger is connected with the first function domain gateway, first controller with it is described
First function domain gateway is connected, and methods described includes：
Message information is sent to the first function domain gateway by first controller；
When the message information is to E-Packet information, the information that E-Packets is sent to by the first function domain gateway
The interchanger；
The interchanger information that E-Packeted according to determines the second function domain gateway；
The information that E-Packets is sent to the second function domain gateway by the interchanger；
The information that E-Packets is sent to second controller by the second function domain gateway, the second controller with it is described
Second function domain gateway is connected.
2. according to the method described in claim 1, it is characterised in that described when the message information is to E-Packet information
The information that E-Packets is sent to the interchanger by the first function domain gateway, including：
The first function domain gateway determines the first forwarding identification information corresponding with the information that E-Packets；
Described first forwarding identification information is added in the information that E-Packets by the first function domain gateway；
The information that E-Packets for carrying the first forwarding identification information is sent to the friendship by the first function domain gateway
Change planes；
The interchanger information that E-Packeted according to determines the second function domain gateway, including：
The interchanger extracts the first forwarding identification information from the information that E-Packets；
The interchanger determines the second function domain gateway corresponding with the described first forwarding identification information.
3. according to the method described in claim 1, it is characterised in that described when the message information is to E-Packet information
The information that E-Packets is sent to the interchanger by the first function domain gateway, including：
It is described E-Packet information including M son E-Packet information when, the first function domain gateway by described M son turn
Literary Information encapsulation of transmitting messages E-Packets information for the son of N number of protocol data unit format, wherein, M is the positive integer more than 2, and N is
Positive integer less than M；
The son of N number of protocol data unit format is E-Packeted Information encapsulation for P ether by the first function domain gateway
The son of frame format E-Packets information, wherein, P is the positive integer less than N；
The son of the P ether frame format information that E-Packets is sent to the interchanger by the first function domain gateway.
4. according to the method described in claim 1, it is characterised in that described when the message information is to E-Packet information
The information that E-Packets is sent to the interchanger by the first function domain gateway, including：
Safety verification code is added in the information that E-Packets by the first function domain gateway；
The information that E-Packets for carrying the safety verification code is sent to the interchanger by the first function domain gateway；
The information that E-Packets is sent to second controller by the second function domain gateway, including：
The second function domain gateway carries out safety check to the information that E-Packets for carrying the safety verification code, is pacified
Full check code；
When safety check code is matched with safety verification code, the second function domain gateway will carry the safety
The information that E-Packets of identifying code is sent to the second controller.
5. method according to claim 4, it is characterised in that
The safety verification code includes first kind safety verification code and Equations of The Second Kind safety verification code, wherein, the first kind safety
The safety check complexity of identifying code is different from the safety check complexity of Equations of The Second Kind safety verification code；
Safety verification code is added in the information that E-Packets by the first function domain gateway, including：
When the second forwarding identification information carried in the information that E-Packets is that the first kind forwards identification information, described first
Function domain gateway will E-Packet information described in first kind safety verification code write-in；
When the described second forwarding identification information is that Equations of The Second Kind forwards identification information, the first function domain gateway is by described second
E-Packet information described in the code write-in of class safety verification.
6. a kind of vehicle communication system, it is characterised in that the system includes：
Interchanger；
First function domain gateway, is connected with the interchanger；
First controller, is connected with the first function domain gateway；
Second function domain gateway, is connected with the interchanger；
Second controller, is connected with the second function domain gateway；
Wherein, first controller is used to message information being sent to the first function domain gateway；First functional domain
Gateway is used to, when the message information is to E-Packet information, the information that E-Packets is sent into the interchanger；Institute
State interchanger be used for according to described in the information that E-Packets determine the second function domain gateway, and by the letter that E-Packets
Breath is sent to the second function domain gateway；The second function domain gateway is described for the information that E-Packets to be sent to
Second controller.
7. system according to claim 6, it is characterised in that the first function domain gateway includes：
First determining module, for determining the first forwarding identification information corresponding with the information that E-Packets；
First add module, for the described first forwarding identification information to be added in the information that E-Packets；
First sending module, for the information that E-Packets for carrying the first forwarding identification information to be sent into the exchange
Machine；
The interchanger includes：
Extraction module, for extracting the first forwarding identification information from the information that E-Packets；
Second determining module, for determining the second function domain gateway corresponding with the described first forwarding identification information.
8. system according to claim 6, it is characterised in that the first function domain gateway includes：
First package module, for it is described E-Packet information including M son E-Packet information when, by described M son turn
Literary Information encapsulation of transmitting messages E-Packets information for the son of N number of protocol data unit format, wherein, M is the positive integer more than 2, and N is
Positive integer less than M；
Second package module, for the son of N number of protocol data unit format to be E-Packeted into Information encapsulation for P Ether frame
The son of form E-Packets information, wherein, P is the positive integer less than N；
Second sending module, for the son of the P ether frame format information that E-Packets to be sent into the interchanger.
9. system according to claim 6, it is characterised in that the first function domain gateway includes：
Second add module, for safety verification code to be added in the information that E-Packets；
3rd sending module, for the information that E-Packets for carrying the safety verification code to be sent into the interchanger；
The second function domain gateway includes：
Safety check module, for carrying out safety check to the information that E-Packets for carrying the safety verification code, is pacified
Full check code；
4th sending module, for when safety check code is matched with safety verification code, the safety will to be carried
The information that E-Packets of identifying code is sent to the second controller.
10. system according to claim 9, it is characterised in that the safety verification code includes first kind safety verification code
With Equations of The Second Kind safety verification code, wherein, the safety check complexity of the first kind safety verification code is pacified with the Equations of The Second Kind
The safety check complexity of full identifying code is different；
Second add module includes：
First sub- add module, the second forwarding identification information for being carried in the information that E-Packets forwards for the first kind
During identification information, by the information that E-Packeted described in first kind safety verification code write-in；
Second sub- add module, for when the described second forwarding identification information is that Equations of The Second Kind forwards identification information, by described the
E-Packet information described in two class safety verification code write-ins.
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| CN107040483B (en) | 2020-04-28 |
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