TWI735633B - Data transmission method, equipment, device and system - Google Patents

Abstract

This application discloses a data transmission method, equipment, device, and system. The method includes: in response to receiving data information, determining whether the source device from which the data information originates is a cloud device or a user device; According to the result of the judgment, corresponding processing is performed on the data information to obtain processed data; the target device indicated by the data information is determined; and data is transmitted to the target device based on the processed data. This implementation mode realizes the mutual access between the cloud device and the user device, avoids the waste of public resources caused by allocating public network IP addresses to the cloud device, and saves public resources.

Description

Data transmission method, equipment, device and system

This application relates to the field of network technology, and in particular to a method, equipment, device and system for data transmission.

With the continuous development of network technology, cloud technology has become more and more mature, making people's lives and work more convenient. More and more cloud computing service providers provide various cloud computing platforms to the public. Each cloud computing platform has rich computing resources, including: virtual machines, databases, load equalizers, cloud storage platforms, and cloud network security Defense platforms, etc., these computing resources work in coordination with each other and can provide users with a variety of services. The computing resources of each cloud computing platform are in the same private network, so computing resources corresponding to the same cloud computing platform can be connected to each other through private network addresses. However, the computing resources in the user equipment and the cloud computing platform are not in the same private network, so they cannot be connected to each other through private network addresses.

In the prior art, the computing resources of the cloud computing platform are generally configured with public network IP addresses to achieve mutual access to user equipment. However, public network IP addresses are currently in short supply. If a large number of cloud computing platform computing resources are allocated with public network IP addresses, a large number of public network IP addresses will be consumed, resulting in a waste of resources.

In order to solve the above technical problems, this application provides a method, equipment, device and system for data transmission.

According to a first aspect of the embodiments of the present application, there is provided a data transmission method, the method includes: in response to receiving data information, determining whether the source device from which the data information originates is a cloud device or a user device; According to the result of the judgment, corresponding processing is performed on the data information to obtain processed data; the target device indicated by the data information is determined; and data is transmitted to the target device based on the processed data.

According to a second aspect of the embodiments of the present application, there is provided a data transmission method, the method includes: in response to obtaining data information, determining whether the source device from which the data information originates is a cloud device or a user device; The source device is a cloud device, which obtains tunnel protocol information matching the data transmission channel for transmitting the data information; decapsulates the data information according to the tunnel protocol information to obtain the original data information; and determines the data information instruction The target device of is used as the first target device; the original data information is transmitted to a predetermined unit included in the first target device.

According to a third aspect of the embodiments of the present application, a gateway device is provided, the gateway device includes: a receiver, a central processing unit, a processing unit, a data analysis unit, and a transmitter; wherein the receiver receives data In response to the data information received by the receiver, the central processing unit determines whether the source device from which the data information originates is a cloud device or a user device, and the processing unit based on the result determined by the central processing unit, The data information performs corresponding processing to obtain processed data, the data analysis unit determines the target device indicated by the data information, and the transmitter transmits data to the target device based on the processed data .

According to a fourth aspect of the embodiments of the present application, a device is provided, the device includes: an information acquisition unit, a central processing unit, a processing unit, a data analysis unit, and a transmission unit; wherein the information acquisition unit acquires data information, In response to the data information being acquired by the information acquiring unit, the central processing unit determines whether the source device from which the data information originates is a cloud device or a user device, and if the determination result of the central processing unit is that the source device is a cloud device, Then the processing unit decapsulates the data information according to the tunnel agreement information to obtain the original data information, and the data analysis unit determines the target device indicated by the data information as the first target device; The unit transmits the original data information to a predetermined unit included in the first target device.

According to a fifth aspect of the embodiments of the present application, there is provided a data transmission device, the device comprising: a determining unit for determining whether the source device from which the data information originates is a cloud device or a device in response to receiving data information者 equipment; a processing unit for performing corresponding processing on the data information based on the result of the judgment to obtain processed data; a determining unit for determining the target equipment indicated by the data information; a transmission unit, It is used to transmit data to the target device based on the processed data.

According to a sixth aspect of the embodiments of the present application, there is provided a data transmission device, the device comprising: a determining unit for determining whether the source device from which the data information originates is a cloud device or a device in response to obtaining data information者 device; an acquisition unit for acquiring tunnel protocol information matching the data transmission channel for transmitting the data information when the source device is a cloud device; a decapsulation unit for acquiring the data according to the tunnel agreement information The information is decapsulated to obtain the original data information; the determining unit is used to determine the target device indicated by the data information as the first target device; the transmission unit is used to transmit the data to a predetermined unit included in the first target device State the original data information.

According to a seventh aspect of the embodiments of the present application, a system is provided. The system includes multiple cloud devices, multiple user devices, and at least one gateway device; wherein, the gateway device includes the third aspect Gateway equipment, or the data transmission device according to the fifth aspect; The user equipment includes the equipment according to the fourth aspect, or the data transmission device according to the sixth aspect.

Applying the above-mentioned embodiment, by judging whether the source device from which the received data information originates is a cloud device or a user device, the received data information is processed accordingly, and the target device indicated by the data information is determined Then, based on the processed data, it transmits data to the target device. In this way, the mutual access between the cloud device and the user device is realized, the waste of public resources caused by the allocation of public network IP addresses to the cloud device is avoided, and public resources are saved.

It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the application.

100‧‧‧System Architecture

101, 102‧‧‧Cloud device

103‧‧‧Gateway equipment

104, 105, 106‧‧‧User equipment

700‧‧‧Equipment

701‧‧‧Data Transmission Device

702‧‧‧Processor

703‧‧‧Memory

704‧‧‧Network interface

705‧‧‧Non-volatile memory

706‧‧‧Internal bus

801‧‧‧Receiver

802‧‧‧Central Processing Unit

803‧‧‧Processing unit

804‧‧‧Data Analysis Unit

805‧‧‧Transmitter

901‧‧‧Information Acquisition Unit

902‧‧‧Central Processing Unit

903‧‧‧Processing unit

904‧‧‧Data Analysis Unit

905‧‧‧Transmission unit

1001‧‧‧Judging unit

1002‧‧‧Processing unit

1003‧‧‧Determining the unit

1004‧‧‧Transmission unit

1101‧‧‧Judging unit

1102‧‧‧Acquisition Unit

1103‧‧‧Decapsulation unit

1104‧‧‧Determining the unit

1105‧‧‧Transmission unit

The drawings here are incorporated into the specification and constitute a part of the specification, show embodiments conforming to the application, and are used together with the specification to explain the principle of the application.

Fig. 1 is a schematic diagram of an exemplary system architecture applying an embodiment of the application; Fig. 2 is a flowchart of an embodiment of a data transmission method of the application; Fig. 3A is a flowchart of another embodiment of the data transmission method of the application; 3B is a flowchart of another embodiment of the application data transmission method; FIG. 4 is a flowchart of another embodiment of the application data transmission method; FIG. 5 is a flowchart of another embodiment of the application data transmission method; Fig. 6 is a flowchart of another embodiment of the application data transmission method; Fig. 7 is a hardware structure diagram of the equipment where the application data transmission device is located; Fig. 8 is a block diagram of an embodiment of the gateway device of the application 9 is a block diagram of an embodiment of a device in this application; FIG. 10 is a block diagram of an embodiment of a data transmission device in this application; FIG. 11 is a block diagram of another embodiment of a data transmission device in this application.

The exemplary embodiments will be described in detail here, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with this application. On the contrary, they are only examples of devices and methods consistent with some aspects of this application as detailed in the scope of the appended application.

The terms used in this application are only for the purpose of describing specific embodiments, and are not intended to limit the application. The singular forms of "a", "the" and "the" used in the patent scope of this application and the appended applications are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and/or" as used herein refers to and includes any or all possible combinations of one or more associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information can also be referred to as second information, and similarly, the second information can also be referred to as first information. Depending on the context, the word "if" as used herein can be interpreted as "when" or "when" or "in response to certainty".

Refer to FIG. 1, which is a schematic diagram of an exemplary system architecture applying the embodiment of the present application: As shown in FIG.

The cloud devices 101, 102 can be various computing devices in the cloud computing platform (such as terminals or servers). The cloud devices 101, 102 and the gateway device 103 are all in the private network of the cloud computing platform, and they are mutually connected. You can directly interact with each other to receive or send requests or information. The gateway device 103 may be a gateway device that manages communication between cloud devices and devices outside the private network. The cloud devices 101 and 102 can establish a communication connection with the gateway device 103 in any wired or wireless manner, and interact with devices outside the private network through the gateway device 103.

The user equipment 104, 105, 106 can be various computing devices other than the cloud computing platform (for example, it can be a terminal, a server, or a gateway device, etc.). Moreover, the user equipment 104, 105, 106 and the cloud equipment 101, 102 are not in the same private network, therefore, they cannot directly interact with the cloud equipment 101, 102, and the gateway device 103 needs to communicate with the cloud equipment 101, 102. interactive.

It should be understood that the numbers of cloud devices, user devices, and gateway devices in FIG. 1 are merely illustrative. According to implementation needs, there can be any number of cloud devices, user devices, and gateway devices.

The application will be described in detail below in conjunction with specific embodiments.

Refer to FIG. 2, which is a flowchart of an embodiment of the data transmission method of this application. This embodiment can be applied to a cloud gateway device and includes the following steps: In step 201, in response to receiving the data information, determine the data information Whether the source device from which it originated is a cloud device or a user device.

Generally speaking, a cloud computing platform can include some computing resources, and these computing resources work in coordination with each other to realize the external service function of the cloud computing platform. The computing resources in the cloud computing platform may include, but are not limited to, virtual machines, databases, load equalizers, cloud storage platforms, cloud network security defense platforms, and so on.

In this embodiment, the cloud device may be various computing devices (such as a terminal, or a server, etc.) included in the cloud computing platform. For example, the cloud device can be a computer running a virtual machine, a storage device for storing a database, a load equalizer, a server running a cloud storage platform, and so on. The user equipment may be equipment other than the equipment included in the cloud computing platform. For example, the user equipment may be a personal computer, or it may be an Internet data center or equipment in a computer room of an organization such as a company or government.

In this embodiment, the execution subject may be a cloud gateway device. The cloud gateway device and the aforementioned cloud device are both in the private network of the cloud computing platform, and the cloud gateway device can be used to manage the cloud device and the aforementioned device outside the private network. (Such as user equipment, etc.) communication between.

In step 202, based on the result of the foregoing judgment, corresponding processing is performed on the foregoing data information to obtain processed data.

In this embodiment, different processing can be performed on the above-mentioned data information according to the different results of the above-mentioned judgment, so as to obtain the processed data. For example, if the source device is a cloud device, the tunnel protocol information matching the data transmission channel can be obtained, and the data information can be encapsulated into a tunnel protocol data packet based on the tunnel protocol information, and the tunnel protocol data packet is the processed data.

If the source device is a user device, it is determined whether the aforementioned data information includes an address resolution protocol ARP request. If the ARP request is not included, obtain the tunnel protocol information matching the data transmission channel that transmits the data information, and decapsulate the above data information according to the tunnel protocol information to obtain the original data information. The original data information is the processed material.

In step 203, the target device indicated by the aforementioned data information is determined.

In this embodiment, the above-mentioned data information includes the information of the target device, and the above-mentioned data information can be parsed to obtain the information of the target device therefrom to determine the target device indicated by the data information. Among them, the target device is the final transmission target of the data information.

Generally speaking, if the source device is a cloud device, the target device is usually a user device, and if the source device is a user device, the target device is usually a cloud device.

In step 204, data is transmitted to the above-mentioned target device based on the above-mentioned processed data.

In this embodiment, data can be transmitted to the target device based on the processed data. For example, if the source device is a cloud device, the processed data is the obtained tunnel protocol data packet. Then, the tunnel protocol data packet can be sent to the corresponding target device through a dedicated data transmission channel, and the target device can decapsulate the tunnel protocol data packet to obtain the aforementioned data information. It is also possible to send the tunnel protocol data packet to the gateway corresponding to the target device (the gateway used to manage the communication between the target device and other devices) through a dedicated data transmission channel. After the gateway decapsulates the tunnel protocol data packet, Obtain the above-mentioned data information, and send the data information to the target device.

If the source device is a user device, and the above data information does not include an ARP request, the processed data is the original data information. Then, the original data information can be sent directly to the corresponding target cloud device.

Applying the above-mentioned embodiment, by judging whether the source device from which the received data information originates is a cloud device or a user device, the received data information is processed accordingly, and the target device indicated by the data information is determined Then, based on the processed data, it transmits data to the target device. In this way, the mutual access between the cloud device and the user device is realized, the waste of public resources caused by the allocation of public network IP addresses to the cloud device is avoided, and public resources are saved.

Referring to Figures 3A and 3B, this is a flow chart of another embodiment of the application data transmission method. This embodiment can be applied to a cloud gateway device. This embodiment is based on the embodiment of Figure 2 in combination with specific examples. The process of processing data information and transmitting data to the target device is described in further detail. The method includes the following steps: In step 301, in response to receiving the data information, it is determined that the source device from which the data information originates is the cloud The equipment is still user equipment.

In this embodiment, when the aforementioned cloud gateway device receives data information, it first needs to determine the source device that sends the data information. The source device for sending data information can be a cloud device or a user device. If the aforementioned source device is a cloud device, it means that the data information is transmitted from the cloud device to the user device. If the aforementioned source device is a user device, it means that the data information is transferred from the user device to the cloud device.

In step 302, if the source device is a cloud device, obtain tunnel protocol information matching the data transmission channel.

In step 303, the above-mentioned data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information.

In this embodiment, the data information can be sent to the target device through a preset data transmission channel. Among them, the data transmission channel is a dedicated channel pre-set between the cloud gateway device and the user device, and is dedicated to the media that provides a communication link between the cloud gateway device and the user device. It can include various connection types, such as Wired, wireless communication link or fiber optic cable, etc.

Specifically, first, the tunnel protocol information matching the above-mentioned data transmission channel can be obtained. The tunnel protocol information can be obtained from the mapping table of the computing resources of the computing platform and the tunnel protocol information (such as the vni value (VXLAN Network Identifier, VXLAN network identifier) of vxlan (virtual Extensible LAN)).

Then, the data information is encapsulated into a tunnel protocol data packet based on the tunnel protocol information. The tunnel protocol data packet is a data packet generated by adding an outer header to the original data packet, and the outer header contains the address information of the target device , Or contains the address information of the gateway corresponding to the target device.

In step 304, the target user equipment of the data information transmission is parsed from the data information as the first target equipment.

In this embodiment, if the source device is a cloud device, it can be determined that the data information is transmitted from the cloud device to the user device. First, it is necessary to determine the target user equipment indicated by the data information as the first target equipment. The target user equipment indicated by the data information is the final transmission target of the data information. Generally speaking, the data information carries the relevant information of the transmission target. Therefore, the target user equipment of the data information transmission can be determined by analyzing the data information as the first target device.

In step 305a, the tunnel agreement data packet is sent to the first target device through the above-mentioned data transmission channel.

In step 305b, the tunnel agreement data packet is sent to the gateway corresponding to the first target device through the above-mentioned data transmission channel.

In this embodiment, the first target device can directly communicate with the cloud gateway device, or it can communicate with the cloud gateway device through the user gateway device. When the first target device can directly communicate with the cloud gateway device, the cloud gateway device can send the tunnel protocol data packet to the first target device through the above-mentioned preset data transmission channel, so that the first target device can use The tunnel protocol data packet is decapsulated, and the data information is obtained after removing the outer header.

When the first target device needs to communicate with the cloud gateway device through the user gateway device, the cloud gateway device can send the tunnel to the user gateway device corresponding to the first target device through the above-mentioned preset data transmission channel Protocol data packet for the user gateway device to decapsulate the tunnel protocol data packet, after removing the outer header, obtain the above data information, and send the data information to the first target device.

Applying the above embodiment, when the source device is a cloud device, the received data information is encapsulated into a tunnel protocol data packet according to the tunnel protocol information matched by the data transmission channel, the target user device is determined, and the target user is sent to the target user through the data transmission channel The device or sends the tunnel protocol data packet to the gateway corresponding to the target user device. In this way, the mutual access between the cloud device and the user device is realized, the waste of public resources caused by the allocation of public network IP addresses to the cloud device is avoided, and public resources are saved.

Refer to FIG. 4, which is a flowchart of another embodiment of the data transmission method of this application. This embodiment can be applied to a cloud gateway device. This embodiment compares data information with specific examples on the basis of the embodiment in FIG. The process of processing and transmitting data to the target device is described in further detail. The method includes the following steps: In step 401, in response to receiving data information, it is determined whether the source device from which the data information originates is a cloud device or a user者设备.

In step 402, if the source device is a user device, it is determined whether the aforementioned data information includes an address resolution protocol ARP request.

In this embodiment, the cloud gateway device may also have an ARP (Address Resolution Protocol, Address Resolution Protocol) proxy function, which can process the ARP request of the user device. Therefore, if the source device is a user device, it can be further determined whether the data information includes an ARP request. ARP stands for Address Resolution Protocol, which is a TCP/IP protocol for obtaining physical addresses based on IP addresses. The user device can send an ARP request containing the IP address of the target device to the cloud gateway device to obtain the physical address of the target device, so that it can directly communicate with the target device through the preset data transmission channel based on the physical address of the target device Communication.

In step 403, if the data information does not include an ARP request, obtain tunnel protocol information matching the data transmission channel for transmitting the data information.

In step 404, the data information is decapsulated according to the tunnel protocol information to obtain the original data information.

In step 405, the target cloud device for data information transmission is parsed from the data information and used as the second target device.

In step 406, the above-mentioned original data information is sent to the second target device.

In this embodiment, if the aforementioned data information does not include an ARP request, it can be determined that the data information is transmitted from the user equipment to the cloud equipment. Therefore, the target cloud device indicated by the data information can be further determined as the second target device. Then, obtain the original data information corresponding to the data information. Specifically, firstly, the tunnel protocol information matching the data transmission channel can be obtained, the data information is decapsulated according to the tunnel protocol information, and the outer header is removed to obtain the original data information. Then, the original data information corresponding to the data packet is sent to the second target device.

In step 407, if the data information includes an ARP request, the physical address of the third target device is found, and the third target device is the target cloud device indicated by the ARP request.

In step 408, the physical address is returned to the source device for the source device to communicate with the third target device based on the physical address.

In this embodiment, if the source device is a user device, and the aforementioned data information includes an ARP request, the physical address of the third target device (the target cloud device indicated by the ARP request) is found. Generally speaking, in the local cache of the cloud gateway device, the mapping relationship between the IP address and the physical address of some cloud devices may be stored. Therefore, the physical location of the third target device can be searched first from the cache. site. If the physical address of the third target device is not found from the cache, the ARP request can also be broadcast on the private network of the cloud computing platform to broadcast the ARP request to find the third target indicated by the ARP request The physical address of the device.

Applying the above embodiment, when the source device is a user device, if the data information does not include an ARP request, the data information can be decapsulated according to the tunnel protocol information matched by the data transmission channel through which the data information is transmitted to obtain the original data Information, and determine the target cloud device, and send the above-mentioned raw data information to the target cloud device. If the above data information includes an ARP request, the ARP proxy function of the cloud gateway device can provide the user device with the physical address of the target cloud device, thereby further realizing the mutual access between the cloud device and the user device and avoiding The waste of public resources caused by allocating public network IP addresses to user equipment saves public resources.

Refer to Figure 5, which is a flowchart of another embodiment of a data transmission method for this application. This embodiment can be applied to a user equipment and includes the following steps: In step 501, in response to obtaining data information, determine the data information Whether the source device from which it originated is a cloud device or a user device.

In this embodiment, the execution subject is the user equipment, and the user equipment may be a terminal, a server, or a gateway device. This application does not limit the specific form of the user equipment. The user device can access the cloud device in the cloud computing platform through the cloud gateway device, and the user device can directly communicate with the cloud gateway device, or it can communicate with the cloud gateway device through the user gateway device.

In step 502, if the source device is a cloud device, obtain tunnel protocol information matching the data transmission channel for transmitting the above-mentioned data information.

In step 503, the above-mentioned data information is decapsulated according to the tunnel protocol information to obtain the original data information.

In this embodiment, the tunnel protocol information matching the data transmission channel can be obtained first, and then the data packet is decapsulated according to the tunnel protocol information, and the outer header is removed to obtain the original data information.

In step 504, the target device indicated by the data information is determined as the first target device.

In this embodiment, if the source device is a cloud device, it can be determined that the aforementioned data information is transmitted from the cloud device to the user device. And it is necessary to determine the target user equipment indicated by the data information as the first target equipment. Among them, the data information is sent by the cloud device through a preset data transmission channel. The first target device indicated by the data information is the final transmission target of the data information. Generally speaking, the data information carries the relevant information of the transmission target. Therefore, the first target device indicated by the data information can be determined by analyzing the data information.

In step 505, the original data information is transmitted to a predetermined unit included in the first target device.

In this embodiment, the first target device may be a user device that is the execution subject of this embodiment, or may be a user device other than the execution subject. If the first target device is the user device as the execution subject of this embodiment, the unit that obtains the original data information in the user device transmits the original data information to the predetermined unit included in the user device. If the first target device is a user device other than the execution subject, the user device as the execution subject of this embodiment transmits the original data information to the predetermined unit included in the first target device. Wherein, the predetermined unit is a unit in the first target device that requests to obtain original data information.

Applying the above embodiment, when the source device of the acquired data information is a cloud device, the received data information is decapsulated according to the tunnel protocol information matched by the data transmission channel to obtain the original data information and determine the target user device. And transmit the original data information to the predetermined unit included in the target user equipment. In this way, the mutual access between the cloud device and the user device is realized, the waste of public resources caused by the allocation of public network IP addresses to the cloud device is avoided, and public resources are saved.

Refer to FIG. 6, which is a flowchart of another embodiment of the data transmission method of this application. This embodiment can be applied to user equipment. This embodiment uses specific examples for the source equipment on the basis of the embodiment in FIG. 5 In the case of a user device, the process of the method is described in further detail. The method includes the following steps: In step 601, in response to obtaining data information, determine whether the source device from which the data information originates is a cloud device or a user equipment.

In step 602, if the source device is a cloud device, obtain tunneling protocol information matching the data transmission channel for transmitting the above-mentioned data information.

In step 603, the above-mentioned data information is decapsulated according to the tunnel protocol information to obtain the original data information.

In step 604, the target device indicated by the data information is determined as the first target device.

In step 605, the original data information is transmitted to a predetermined unit included in the first target device.

In step 606, if the source device is a user device, it is determined whether the data information includes an address resolution protocol ARP request.

In this embodiment, the user equipment can access the cloud device through the cloud gateway device, or send an ARP request to the cloud gateway device to obtain the physical address corresponding to the target cloud device that needs to be accessed, so as to directly pass the The physical address accesses the target cloud device. Therefore, the data information transmitted from the user equipment to the cloud device can also be the ARP request data information. It is understandable that this application does not limit the specific content of the data information. Generally speaking, the ARP request data information carries the relevant information of the transmission target. Therefore, the target cloud device indicated by the data information and the corresponding cloud gateway device can be determined by analyzing the data information.

In step 607, if the data information does not include an ARP request, obtain tunnel protocol information matching the data transmission channel.

In step 608, the data information is encapsulated into a tunneling protocol data packet according to the tunneling protocol information.

In step 609, the target device indicated by the data information is determined as the second target device.

In step 610, the tunnel agreement data packet is sent to the gateway corresponding to the second target device through the data transmission channel.

In this embodiment, if the source device is a user device, and the data information does not include an ARP request, it can be determined that the data information is transmitted from the user device to the cloud device. Therefore, the target cloud device indicated by the data information can be further determined as the second target device. The data information can be sent to the second target device through a preset data transmission channel.

Specifically, first, the tunnel agreement information matching the data transmission channel can be obtained. The above-mentioned tunnel agreement information can be obtained from the mapping table between the computing resources of the computing platform and the tunnel agreement information. Then, the data information is encapsulated into a tunnel protocol data packet according to the tunnel protocol information, which is data information generated by adding an outer header on the basis of the original data packet.

Finally, through the preset data transmission channel, the tunnel protocol data packet is sent to the gateway corresponding to the second target device, so that the gateway can decapsulate the tunnel protocol data packet, and remove the outer header to obtain the data information. The data information is sent to the second target device.

In step 611, if the data information includes an ARP request, the gateway corresponding to the third target device is determined, and the third target device is the target cloud device indicated by the ARP request.

In step 612, the data information is sent to the aforementioned gateway for the gateway to find the physical address of the third target device.

In step 613, the physical address of the third target device returned by the gateway is received.

In this embodiment, the physical address of the third target device returned by the gateway corresponding to the resource on the cloud is received, and then the physical address is returned to the user device that sent the ARP request.

Applying the above embodiment, when the source device of the received data information is the user device, if the data information does not include the ARP request, the data information can be encapsulated according to the tunnel protocol information matched by the data transmission channel for transmitting the data information The tunnel protocol data packet is formed, and the target cloud device is determined, and the above-mentioned data information is transmitted to the target cloud device based on the tunnel protocol data packet. If the above data information includes an ARP request, the ARP proxy function of the cloud gateway device can provide the user device with the physical address of the target cloud device, thereby further realizing the mutual access between the cloud device and the user device and avoiding The waste of public resources caused by allocating public IP addresses to cloud devices saves public resources.

It should be noted that although the operations of the method of this application are described in a specific order in the drawings, this does not require or imply that these operations must be performed in the specific order, or that all the operations shown must be performed to achieve the desired result. Conversely, the steps depicted in the flowchart can change the order of execution. Additionally or alternatively, some steps may be omitted, multiple steps may be combined into one step for execution, and/or one step may be decomposed into multiple steps for execution.

In the following, a complete data transmission application example will be used to illustrate the scheme of this application.

The application scenario may be: a process in which the user device A obtains computing resource data from the cloud computing platform, and a process in which the user device A sends computing resource data to the cloud computing platform.

Specifically, first, a dedicated data transmission channel can be set up between the cloud gateway device of the cloud computing platform and the user equipment A in advance, so that the cloud gateway device can communicate with the user equipment through the dedicated data transmission channel A communicates.

When user device A requests to obtain computing resource data from the cloud computing platform, the cloud device in the cloud computing platform may send the computing resource data requested by user device A to the cloud gateway device. The cloud gateway device encapsulates the aforementioned computing resource data into a tunnel protocol data packet. If user device A has the function of a gateway device, the tunnel protocol data packet can be directly sent to user device A, and user device A Unpack the tunnel protocol data package to restore the above-mentioned calculation resource data. If user device A does not have the function of a gateway device, the tunnel protocol data packet can be sent to the user gateway device corresponding to user device A, and then the user gateway device will decapsulate the tunnel protocol data packet. To restore the above-mentioned calculation resource data, and send the calculation resource data to the user device A.

When user device A transmits computing resource data to the cloud computing platform, if user device A has the function of a gateway device, it can directly encapsulate the computing resource data into a tunnel agreement data packet, and then, the tunnel agreement data The package is sent to the cloud gateway device in the cloud computing platform. If user device A does not have the function of a gateway device, the computing resource data can be sent to the user gateway device corresponding to user device A, and the user gateway device encapsulates the computing resource data into a tunnel Protocol data package, and send the tunnel protocol data package to the cloud gateway device in the cloud computing platform. Finally, the cloud gateway device unpacks the tunnel protocol data package to restore the aforementioned computing resource source data, and sends the computing resource source data to the cloud device.

User device A can also send an ARP request to the cloud gateway device. The ARP request includes the IP address of the target cloud device. The cloud gateway device can obtain the mapping table from the local cache. The mapping table records part of the cloud The mapping relationship between the IP address of the device and the physical address. Find the physical address of the target cloud device from the mapping table. The physical address of the target cloud device is returned to the aforementioned user device A, and the user device A can directly communicate with the target cloud device through the data transmission channel according to the physical address to send or request to obtain computing resource data.

It can be seen that by applying the above solution, it is possible to realize the mutual access between the cloud device and the user device without assigning a public network IP address to the cloud device, thereby saving public resources.

Corresponding to the embodiments of the data transmission method of this application, this application also provides embodiments of data transmission equipment, devices, and systems.

The embodiments of the data transmission device of this application can be applied to equipment. The device embodiments can be implemented by software, or can be implemented by hardware or a combination of software and hardware. Taking software implementation as an example, as a logical device, it is formed by reading the corresponding computer program instructions in the non-volatile memory into the memory through the processor of the device where it is located. From the perspective of hardware, as shown in FIG. 7, it is a hardware structure diagram of the device 700 where the data transmission device 701 of this application is located. The device 700 includes a processor 702, a memory 703, a network interface 704, and a non-volatile memory. The non-volatile memory 705 and the internal bus 706, wherein the processor 702, the memory 703, the network interface 704, and the non-volatile memory 705 can communicate with each other through the internal bus 706. In addition to the processor 702, memory 703, network interface 704, non-volatile memory 705, and internal bus 706 shown in FIG. 7, the device 700 where the device is located in the embodiment usually depends on the actual function of the device. Other hardware may also be included, which are not shown one by one in FIG. 7.

Refer to Fig. 8, which is a block diagram of an embodiment of the gateway device of this application.

The gateway device includes: a receiver 801, a central processing unit 802, a processing unit 803, a data analysis unit 804, and a transmitter 805; wherein the receiver 801 receives data information, and the central processing unit 802 responds to the data received by the receiver 801 Information to determine whether the source device from which the data information originated is a cloud device or a user device. The processing unit 803 performs corresponding processing on the data information based on the result determined by the central processing unit 802 to obtain the processed data. The data analysis unit 804 determines the target device indicated by the data information, and the sender 805 transmits the data to the target device based on the processed data.

In an optional implementation manner, the processing unit 803 is configured to: when the source device is a cloud device, encapsulate the data information into a tunnel protocol data packet according to the tunnel protocol information matched by the data transmission channel.

In another optional implementation manner, the data analysis unit 804 is configured to analyze the target user equipment for data information transmission from the data information as the first target equipment.

The transmitter 805 is configured to send a tunnel protocol data packet to the first target device through the data transmission channel, so that the first target device can decapsulate the tunnel protocol data packet to obtain data information. Or send the tunnel protocol data packet to the gateway corresponding to the first target device through the data transmission channel, so that the gateway can decapsulate the tunnel protocol data packet and send the data information to the first target device.

In another optional implementation manner, the processing unit 803 is configured to: when the source device is a user device, and the data information does not include an ARP request, according to a tunnel protocol that matches the data transmission channel for transmitting the data information The information unpacks the data information to obtain the original data information.

In another optional implementation manner, the data analysis unit 804 is configured to analyze the target cloud device for data information transmission from the data information as the second target device.

The transmitter 805 is configured to send the original data information to the second target device.

In another optional implementation manner, the aforementioned gateway device further includes a physical address search unit (not shown in FIG. 8): the physical address search unit searches for a third target when the aforementioned data information includes an ARP request The physical address of the device, and the third target device is the target cloud device indicated by the ARP request.

The transmitter 805 is further configured to return a physical address to the source device, so that the source device can communicate with the third target device based on the physical address.

Refer to Fig. 9, which is a block diagram of an embodiment of a device of this application.

The device includes: an information acquisition unit 901, a central processing unit 902, a processing unit 903, a data analysis unit 904, and a transmission unit 905.

The data information is acquired by the information acquisition unit 901, and the central processing unit 902 responds to the data information acquired by the information acquisition unit 901 and determines whether the source device from which the data information originates is a cloud device or a user device. If the central processing unit 902 determines The result is that the source device is a cloud device, and the processing unit 903 decapsulates the above-mentioned data information according to the tunnel protocol information to obtain the original data information. The data analysis unit 904 determines that the target device indicated by the data information is the first target device. The unit 905 transmits the above-mentioned original data information to a predetermined unit included in the first target device.

In an optional implementation manner, if the central processing unit 902 determines that the source device is a user device, the processing unit 903 is configured to, when the above data information does not include an ARP request, according to the tunnel protocol matched by the data transmission channel The information encapsulates the data information into a tunnel protocol data packet, the data analysis unit 904 determines that the target device indicated by the data information is the second target device, and the transmission unit 905 sends the tunnel protocol to the gateway corresponding to the second target device through the data transmission channel A data packet for the gateway to decapsulate the tunnel protocol data packet and send the data information to the second target device.

In another optional implementation manner, the data analysis unit 904 is further configured to determine the gateway corresponding to the third target device when the data information includes the ARP request, and the third target device is the target cloud device indicated by the ARP request. The transmission unit 905 is also configured to send the aforementioned data information to the aforementioned gateway, so that the aforementioned gateway can find the physical address of the third target device. The information acquiring unit 901 is also configured to receive the physical address of the third target device returned by the gateway.

Refer to FIG. 10, which is a block diagram of an embodiment of a data transmission device in this application.

The device includes: a judgment unit 1001, a processing unit 1002, a determination unit 1003, and a transmission unit 1004.

The determining unit 1001 is used to determine whether the source device from which the data information originates is a cloud device or a user device in response to receiving the data information.

The processing unit 1002 is configured to perform corresponding processing on the data information based on the result of the above judgment to obtain processed data.

The determining unit 1003 is used to determine the target device indicated by the data information.

The transmission unit 1004 is used to transmit data to the target device based on the processed data.

Refer to FIG. 11, which is a block diagram of an embodiment of another data transmission device in this application.

The device includes: a judgment unit 1101, an acquisition unit 1102, a decapsulation unit 1103, a determination unit 1104, and a transmission unit 1105.

Wherein, the determining unit 1101 is configured to determine whether the source device from which the data information originates is a cloud device or a user device in response to obtaining the data information.

The obtaining unit 1102 is configured to obtain tunnel protocol information matching the data transmission channel for transmitting the above-mentioned data information when the source device is a cloud device.

The decapsulation unit 1103 is used to decapsulate the above-mentioned data information according to the tunnel protocol information to obtain the original data information.

The determining unit 1104 is configured to determine the target device indicated by the aforementioned data information as the first target device.

The transmission unit 1105 is used to transmit the original data information to the predetermined unit included in the first target device.

For the implementation process of the functions and roles of each unit in the above-mentioned device, please refer to the implementation process of the corresponding steps in the above-mentioned method for details, which will not be repeated here.

For the device embodiment, since it basically corresponds to the method embodiment, the relevant part can refer to the part of the description of the method embodiment. The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this application. Those of ordinary skill in the art can understand and implement it without making progressive labor.

After considering the specification and practicing the invention disclosed herein, those skilled in the art will easily think of other embodiments of this application. This application is intended to cover any variations, uses, or adaptive changes of this application. These variations, uses, or adaptive changes follow the general principles of this application and include common knowledge in the technical field that is not disclosed in this application. Or conventional technical means. The specification and embodiments are only regarded as exemplary, and the true scope and spirit of this application are pointed out by the following patent scope.

It should be understood that the application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is only limited by the scope of the attached patent application.

Claims (19)

A data transmission method, characterized in that the method is executed by a cloud gateway device of a cloud computing platform, and a dedicated data transmission channel is preset between the cloud gateway device and user equipment; the cloud computing platform includes Cloud equipment; the method includes: in response to receiving data information, determining whether the source device from which the data information originates is a cloud device or a user equipment; based on the result of the determination, performing corresponding processing on the data information , To obtain the processed data; determine the target device indicated by the data information; transmit data to the target device based on the processed data; the corresponding data information is performed based on the result of the judgment The processing includes: if the source device is a cloud device, obtaining tunnel protocol information matching a data transmission channel; a mapping relationship between the VNI value of the tunnel protocol information and the cloud device; and converting the data according to the tunnel protocol information The information is encapsulated into a tunnel protocol packet. The method according to item 1 of the scope of patent application, wherein the determining the target device indicated by the data information includes: analyzing the target user device of the data information transmission from the data information, as the first Target device The transmitting data to the target device based on the processed data includes: sending the tunnel agreement data packet to the first target device through the data transmission channel, so that the first target device can transfer the data to the first target device. After the tunnel protocol data packet is decapsulated, the data information is obtained; or the tunnel protocol data packet is sent to the gateway corresponding to the first target device through the data transmission channel, so that the gateway can After the tunnel protocol data packet is decapsulated, the data information is sent to the first target device. The method according to item 1 of the scope of patent application, wherein the corresponding processing of the data information based on the result of the judgment includes: if the source device is a user device, determining the data Whether the information includes an address resolution protocol ARP request; if the data information does not include an ARP request, obtain tunnel protocol information matching the data transmission channel for transmitting the data information; decapsulate the data information according to the tunnel protocol information To get raw data information. The method according to item 3 of the scope of patent application, wherein the determining the target device indicated by the data information includes: analyzing the target cloud device for the data information transmission from the data information as the second target equipment; The transmitting data to the target device based on the processed data includes: sending the original data information to the second target device. The method according to item 3 of the scope of patent application, wherein the method further includes: if the data information includes an ARP request, searching out the physical address of a third target device, and the third target device is the The target cloud device indicated by the ARP request; returning the physical address to the source device for the source device to communicate with the third target device based on the physical address. A data transmission method, characterized in that, the method comprises: in response to obtaining data information, determining whether the source device from which the data information originates is a cloud device or a user device; if the source device is a cloud device, obtaining The tunnel protocol information matched by the data transmission channel for transmitting the data information; the VNI value of the tunnel protocol information has a mapping relationship with the cloud device; the data transmission channel is the cloud gateway device and the cloud device preset on the cloud computing platform Channel between user equipment, and the cloud computing platform includes cloud equipment; decapsulate the data information according to the tunnel agreement information to obtain the original data information; determine the target device indicated by the data information as the first A target device; The original data information is transmitted to a predetermined unit included in the first target device, and the predetermined unit is a unit in the first target device that requests to obtain the original data information. The method according to item 6 of the scope of patent application, wherein the method further includes: if the source device is a user device, determining whether the data information includes an address resolution protocol ARP request; if the data information Without including the ARP request, obtain the tunnel protocol information matching the data transmission channel; encapsulate the data information into a tunnel protocol data packet according to the tunnel protocol information; determine the target device indicated by the data information as the second target device; The data transmission channel sends the tunnel protocol data packet to the gateway corresponding to the second target device, so that the gateway can decapsulate the tunnel protocol data packet and send the data information to the second target device. 2. Target equipment. The method according to item 7 of the scope of patent application, wherein the method further includes: if the data information includes an ARP request, determining a gateway corresponding to a third target device, and the third target device is the ARP The target cloud device of the request instruction; Sending the data information to the gateway for the gateway to find the physical address of the third target device; receiving the physical address of the third target device returned by the gateway. A gateway device, characterized in that the gateway device includes: a receiver, a central processing unit, a processing unit, a data analysis unit, and a transmitter; a dedicated data transmission is set in advance between the gateway device and user equipment Channel; wherein the data information is received by the receiver, and the central processing unit determines whether the source device from which the data information originates is a cloud device or a user device in response to the data information received by the receiver, the processing unit Based on the judgment result of the central processing unit, corresponding processing is performed on the data information to obtain the processed data, the data analysis unit determines the target device indicated by the data information, and the transmitter is based on the The processed data transmits data to the target device; the processing unit is configured to: when the source device is a cloud device, encapsulate the data information into tunnel agreement data according to the tunnel agreement information matched by the data transmission channel Package; the VNI value of the tunnel agreement information has a mapping relationship with the cloud device. The gateway device according to item 9 of the scope of patent application, wherein the data analysis unit is configured to: parse the data information from the data information to determine the destination of the data information transmission The user device serves as the first target device; the transmitter is configured to: send the tunnel agreement data packet to the first target device through the data transmission channel, so that the first target device can After the tunnel agreement data packet is decapsulated, the data information is obtained; or the tunnel agreement data packet is sent to the gateway corresponding to the first target device through the data transmission channel for the gateway to transfer the tunnel After the protocol data package is decapsulated, the data information is sent to the first target device. The gateway device according to item 9 of the scope of patent application, wherein the processing unit is configured to: when the source device is a user device and the data information does not include an ARP request, transmit the data according to The tunnel protocol information matching the data transmission channel of the information decapsulates the data information to obtain the original data information. The gateway device according to item 11 of the scope of patent application, wherein the data analysis unit is configured to: parse the data information from the data information to obtain the target cloud device for the data information transmission as the second target device; The transmitter is configured to send the original data information to the second target device. The gateway device according to item 11 of the scope of patent application, wherein the gateway device further includes a physical address search unit: the physical address search unit searches for a third address when the data information includes an ARP request The physical address of the target device, the third target device is the target cloud device indicated by the ARP request; the sender is further configured to: return the physical address to the source device for the source The device communicates with the third target device based on the physical address. A user equipment, characterized in that the equipment comprises: an information acquisition unit, a central processing unit, a processing unit, a data analysis unit, and a transmission unit; wherein the information acquisition unit acquires data information, and the central processing unit responds to the The information obtaining unit obtains the data information, and determines whether the source device from which the data information originates is a cloud device or a user device. If the result of the determination by the central processing unit is that the source device is a cloud device, the processing unit is based on The tunnel protocol information decapsulates the data information to obtain the original data information, the data analysis unit determines the target device indicated by the data information as the first target device; A predetermined unit included in the target device transmits the original data information, the predetermined unit is a unit in the first target device that requests to obtain the original data information; there is a mapping relationship between the VNI value of the tunnel agreement information and the cloud device; The data transmission channel is a cloud pre-set on the cloud computing platform A channel between an end gateway device and a user device, and the cloud computing platform includes a cloud device. The device according to item 14 of the scope of patent application, wherein, if the result determined by the central processing unit is that the source device is a user device, the processing unit is configured to, when the data information does not include an ARP request, According to the tunnel protocol information matched by the data transmission channel, the data information is encapsulated into a tunnel protocol data packet, the data analysis unit determines that the target device indicated by the data information is used as the second target device, and the transmission unit transmits to the data transmission channel through the data transmission channel. The gateway corresponding to the second target device sends the tunnel agreement data packet, so that the gateway can send the data information to the second target device after decapsulating the tunnel agreement data packet. The device according to item 15 of the scope of patent application, wherein the data analysis unit is further configured to determine a gateway corresponding to a third target device when the data information includes an ARP request, and the third target device is the The target cloud device indicated by the ARP request; the transmission unit is also configured to send the data information to the gateway so that the gateway can find the physical address of the third target device; the information acquisition unit is also configured to receive The physical address of the third target device returned by the gateway. A data transmission device, characterized in that, the device comprises: a judging unit for judging the data in response to receiving the data information Whether the source device from which the material information originates is a cloud device or a user device; the processing unit is configured to perform corresponding processing on the data information based on the result of the judgment to obtain the processed data; As a result of the judgment, corresponding processing of the data information includes: if the device is a cloud device, obtaining tunnel protocol information matching the data transmission channel; there is a mapping relationship between the VNI value of the tunnel protocol information and the cloud device Encapsulate the data information into a tunnel agreement data packet according to the tunnel agreement information; the data transmission channel is a dedicated channel preset between the cloud gateway device and the user equipment; the determining unit is used to determine the data The target device indicated by the information; a transmission unit for transmitting data to the target device based on the processed data. A data transmission device, characterized in that the device comprises: a judging unit for judging whether the source device from which the data information comes from is a cloud device or a user device in response to acquiring data information; and the acquiring unit is used for When the source device is a cloud device, obtain tunnel protocol information matching the data transmission channel for transmitting the data information; there is a mapping relationship between the VNI value of the tunnel protocol information and the cloud device; the data transmission channel is in advance A channel between a cloud gateway device and a user device of a cloud computing platform, and the cloud computing platform includes a cloud device; a decapsulation unit for decapsulating the data information according to the tunnel protocol information, To obtain the original data information; The determining unit is used to determine the target device indicated by the data information as the first target device; the transmission unit is used to transmit the original data information of the data to a predetermined unit included in the first target device, and the predetermined unit is the first target device. The unit in the first target device that requests to obtain the original data information. A data transmission system, characterized in that the system includes multiple cloud devices, multiple user devices, and at least one gateway device; wherein, the gateway device includes any one of items 9 to 13 in the scope of patent application The gateway device, or the device described in item 17 of the scope of patent application; the user equipment includes the device described in any one of the scope of patent application 14 to 16, or the device described in the scope of patent application 18 The device described in the item.

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