TW201818699A - Data transmission method, equipment, device and system - Google Patents

Abstract

Disclosed in the present application are a data transmission method, equipment, a device, and a system. The method comprises: in response to receiving data information, determining whether a source device from which the data information is originated is a cloud equipment or a user equipment; performing corresponding processing on the data information on the basis of a result of the determining, so as to obtain processed data; determining a target equipment indicated by the data information; and transmitting data to the target equipment on the basis of the processed data. The embodiment realizes a mutual access between the cloud equipment and the user equipment, avoids the waste of public resources caused by allocating a public network IP address to the cloud equipment, and saves the public resources.

Description

   Data transmission method, equipment, device and system   

The present application relates to the field of network technologies, and in particular, to a method, device, 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 multiple services. The computing resources of each cloud computing platform are in the same private network, so the computing resources corresponding to the same cloud computing platform can access each other through the private network address. However, the computing resources in the user equipment and the cloud computing platform are not in the same private network, so they cannot access each other through the private network address.

In the prior art, a public network IP address is generally allocated to a computing resource of a cloud computing platform to achieve mutual access with user equipment. However, the current public network IP address is relatively scarce. If a large number of cloud computing platform computing resources are allocated to the public network IP address, a large amount of public network IP address will be consumed, resulting in a waste of resources.

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

According to a first aspect of the embodiments of the present application, a data transmission method is provided. The method includes: in response to receiving data information, determining whether a 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; a 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, a data transmission method is provided. The method includes: in response to obtaining data information, determining whether a source device from which the data information originates is a cloud device or a user device; The source device is a cloud device, and obtains tunnel agreement information matching a data transmission channel transmitting the data information; decapsulates the data information according to the tunnel agreement information to obtain original data information; and determines the data information instruction The target device of is the first target device; and the raw material 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. Information, in response to the receiver receiving the data information, 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 determines the result based on the result of the determination by the central processing unit. The data information is processed correspondingly to obtain processed data, the data analysis unit determines a 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, which 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 obtains data information, The central processing unit responds to the information obtained by the information obtaining unit, 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 decapsulates the data information according to the tunnel agreement information to obtain original data information, and the data analysis unit determines a target device indicated by the data information as a first target device; The unit transmits the raw material information to a predetermined unit included in the first target device.

According to a fifth aspect of the embodiments of the present application, a data transmission device is provided. The device includes: a judging unit configured to determine whether a source device from which the data information originates is a cloud device or a response in response to receiving the data information. A processing unit, configured to perform corresponding processing on the data information based on a result of the judgment, to obtain processed data; a determination unit, configured to determine a target device indicated by the data information; a transmission unit, And used for transmitting data to the target device based on the processed data.

According to a sixth aspect of the embodiments of the present application, a data transmission device is provided. The device includes a judgment unit configured to determine whether the source device from which the data information originates is a cloud device or a response in response to obtaining the data information. An acquisition unit, configured to obtain tunnel agreement information matching a data transmission channel for transmitting the data information when the source device is a cloud device; and a decapsulation unit, configured to compare the data according to the tunnel agreement information Information is decapsulated to obtain original data information; a determination unit is configured to determine a target device indicated by the data information as a first target device; a transmission unit is configured to transmit a data office to a predetermined unit included in the first target device The source information is described.

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. The gateway device includes the gateway device described in the third aspect. The gateway device, or the data transmission device according to the fifth aspect; the user equipment includes the device according to the fourth aspect, or the data transmission device according to the sixth aspect.

Applying the above embodiment, the judgment result of the source device from which the received data information is derived is a cloud device or a user device, the corresponding processing is performed on the received data information, and the target device indicated by the data information is determined Then, the data is transmitted to the target device based on the processed data. As a result, mutual access between the cloud device and the user device is achieved, public resources are not wasted due to the allocation of public network IP addresses to the cloud devices, and public resources are saved.

It should be understood that the above general description and the following detailed description are merely exemplary and explanatory, and should not limit the present application.

100‧‧‧System Architecture

101, 102‧‧‧ cloud devices

103‧‧‧Gateway equipment

104, 105, 106‧‧‧ user equipment

700‧‧‧ equipment

701‧‧‧data transmission device

702‧‧‧ processor

703‧‧‧Memory

704‧‧‧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‧‧‧Judgment unit

1002‧‧‧Processing unit

1003‧‧‧ Confirmation unit

1004‧‧‧Transmission Unit

1101‧‧‧Judgment Unit

1102‧‧‧Get Unit

1103‧‧‧Unpacking Unit

1104‧‧‧Determine unit

1105‧‧‧Transmission Unit

The drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the description serve to explain the principles of the application.

1 is a schematic diagram of an exemplary system architecture to which an embodiment of the present application is applied; 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 a data transmission method of the application; 3B is a flowchart of another embodiment of the data transmission method of the application; FIG. 4 is a flowchart of another embodiment of the data transmission method of the application; FIG. 5 is a flowchart of another embodiment of the data transmission method of the application; 6 is a flowchart of another embodiment of a data transmission method of the present application; FIG. 7 is a hardware structure diagram of a device where the data transmission device of the present application is located; FIG. 8 is a block diagram of an embodiment of a gateway device of the present application 9 is a block diagram of an embodiment of a device of the present application; FIG. 10 is a block diagram of an embodiment of a data transmission device of the present application; FIG. 11 is a block diagram of another embodiment of a data transmission device of the present application.

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of devices and methods consistent with some aspects of this application as detailed in the scope of the appended application patents.

The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. The singular forms "a", "said" and "the" used in this application and the scope of the appended patents are also intended to include the plural forms unless the context clearly indicates otherwise. 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 projects.

It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, these 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 the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "at" or "when" or "responding to determination".

Referring to FIG. 1, a schematic diagram of an exemplary system architecture to which an embodiment of the present application is applied is shown. As shown in FIG. 1, the system architecture 100 may include cloud devices 101, 102, user devices 104, 105, 106, and gateway devices 103.

The cloud devices 101 and 102 can be various computing devices (such as terminals and servers) in the cloud computing platform. The cloud devices 101, 102 and the gateway device 103 are all in the private network of the cloud computing platform. You can interact directly with each other to receive or send requests or information. The gateway device 103 may be a gateway device that manages communication between the cloud device and the device 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 may be various computing devices other than the cloud computing platform (such as a terminal, a server, a gateway device, etc.). In addition, the user equipment 104, 105, 106 and the cloud devices 101, 102 are not in the same private network. Therefore, the user equipment 104, 105, 106 and the cloud devices 101, 102 cannot directly interact with the cloud devices 101, 102, and need to perform the gateway device 103 and the cloud devices 101, 102 interactive.

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

The following describes the present application in detail with reference to specific embodiments.

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

Generally speaking, a cloud computing platform can include some computing resources. These computing resources work in coordination with each other to achieve 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 a cloud computing platform. For example, the cloud device may 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 a device other than the devices included in the cloud computing platform. For example, the user equipment can be a personal computer, or it can be an Internet data center in an enterprise, government, or other organization, or equipment in a computer room.

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

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

In this embodiment, different processing may be performed on the above-mentioned data information according to different results of the foregoing judgments to obtain processed data. For example, if the source device is a cloud device, the tunnel agreement information matched by the data transmission channel can be obtained, and the above data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information, and the tunnel agreement data packet is the processed data.

If the source device is a user device, it is determined whether the 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 transmitting the data information, and decapsulate the above data information according to the tunnel protocol information to obtain the original data information, which is the processed data information. data.

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

In this embodiment, the above-mentioned data information includes information of the target device, and the above-mentioned data information may be parsed to obtain the information of the target device from which to determine the target device indicated by the data information. The target device is the final transmission target of the data information.

Generally, 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 target device based on the processed data.

In this embodiment, data may 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 agreement data packet. Then, the tunnel agreement data packet can be sent to a corresponding target device through a dedicated data transmission channel, and the target device can decapsulate the tunnel agreement data packet to obtain the above-mentioned data information. The tunnel agreement data packet can also be sent 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 decapsulating the tunnel agreement data packet, Get the above information and send it 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 raw data information can be sent directly to the corresponding target cloud device.

Applying the above embodiment, the judgment result of the source device from which the received data information is derived is a cloud device or a user device, the corresponding processing is performed on the received data information, and the target device indicated by the data information is determined Then, the data is transmitted to the target device based on the processed data. As a result, mutual access between the cloud device and the user device is achieved, public resources are not wasted due to the allocation of public network IP addresses to the cloud devices, and public resources are saved.

Referring to FIG. 3A and FIG. 3B, a flowchart of another embodiment of a data transmission method of the present application. This embodiment can be applied to a cloud gateway device. This embodiment is based on the embodiment of FIG. 2 and combines specific examples. The process of processing the data information and transmitting the 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 device is also the user device.

In this embodiment, when the cloud gateway device receives data information, it is necessary to first determine a 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 source device is a cloud device, the data information is transmitted from the cloud device to the user device. If the source device is a user device, the data information is transmitted from the user device to the cloud device.

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

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

In this embodiment, the material information may be sent to the target device through a preset data transmission channel. The data transmission channel is a dedicated channel set in advance between the cloud gateway device and the user device, and the media dedicated to providing a communication link between the cloud gateway device and the user device may include various connection types, such as Wired, wireless communication links or fiber optic cables, etc.

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

Then, the data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information. The tunnel agreement data packet is a data packet generated by adding an outer header to the original data packet. The outer header contains the address information of the target device. , Or contain 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 device.

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

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

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

In this embodiment, the first target device may directly communicate with the cloud gateway device, or may 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 may send the tunnel agreement data packet to the first target device through the foregoing preset data transmission channel, so that the first target device may send the tunnel agreement data packet 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 aforementioned pre-set data transmission channel. An agreement data packet for the user gateway device to decapsulate the tunnel agreement data packet, remove the outer header, obtain the above-mentioned 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 packaged 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 transmitted to the target user through the data transmission channel. The device sends the tunnel agreement data packet to the gateway corresponding to the target user equipment. As a result, mutual access between the cloud device and the user device is achieved, public resources are not wasted due to the allocation of public network IP addresses to the cloud devices, and public resources are saved.

Referring to FIG. 4, a flowchart of another embodiment of a data transmission method of this application. This embodiment can be applied to a cloud gateway device. This embodiment is based on the embodiment of 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 the data information, determining whether the source device from which the data information originates is a cloud device or is used Person equipment.

In step 402, 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 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. It is a TCP / IP protocol for obtaining a physical address based on an IP address. 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 be directly performed with the target device through the pre-set 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, the tunnel protocol information matching the data transmission channel for transmitting the data information is obtained.

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

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

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

In this embodiment, if 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. Then, obtain the raw data information corresponding to the data information. Specifically, first, the tunnel agreement information matching the data transmission channel can be obtained, and the data information is decapsulated according to the tunnel agreement information, and the outer header is removed to obtain the original data information. Then, the original data information corresponding to the data package is sent to the second target device.

In step 407, if the data information includes an ARP request, the physical address of a 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 above-mentioned 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 bit of the third target device may be found from the cache first. site. If the physical address of the third target device is not found in the cache, the ARP request can also be broadcasted on the private network of the cloud computing platform by broadcasting, so as 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 may be decapsulated according to the tunnel protocol information matched by the data transmission channel transmitting the data information to obtain the original data. Information, and determine the target cloud device, and send the original data information to the target cloud device. If the above information includes an ARP request, the physical address of the target cloud device can be provided to the user device through the ARP proxy function of the cloud gateway device, thereby further achieving mutual access between the cloud device and the user device, avoiding The waste of public resources caused by assigning public network IP addresses to user equipment saves public resources.

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

In this embodiment, the execution subject is user equipment. The user equipment may be a terminal, a server, or a gateway device. The specific form of the user equipment is not limited in this application. 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 can communicate with the cloud gateway device through the user gateway device.

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

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

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

In step 504, the target device indicated by the profile 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 above-mentioned data information is transmitted from the cloud device to the user device. It is also necessary to determine the target user equipment indicated by the data information as the first target device. 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, the data information carries information about 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 material information is transmitted to a predetermined unit included in the first target device.

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

Applying the foregoing embodiment, when the source device of the obtained data information is a cloud device, the received data information is decapsulated according to the tunneling protocol information matched by the data transmission channel to obtain the original data information and determine the target user device. The original data information is transmitted to a predetermined unit included in the target user equipment. As a result, mutual access between the cloud device and the user device is achieved, public resources are not wasted due to the allocation of public network IP addresses to the cloud devices, and public resources are saved.

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

In step 602, if the source device is a cloud device, the tunnel protocol information matching the data transmission channel for transmitting the data information is obtained.

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

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

In step 605, the original material 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 device can access the cloud device through the cloud gateway device, or can 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 pass directly through the cloud gateway device. The physical address accesses the target cloud device. Therefore, the data information transmitted from the user device to the cloud device may also be ARP request data information. It can be understood that the specific content of the data information is not limited in this application. Generally, the ARP request data information carries information about 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, the tunnel protocol information matching the data transmission channel is obtained.

In step 608, the data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information.

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

In step 610, a 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 may 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 a mapping table of the computing resources of the computing platform and the tunnel agreement information. Then, the data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information. The tunnel agreement data packet is data information generated by adding an outer header to the original data packet.

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

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

In step 612, the data information is sent to the gateway for the gateway to find out 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 equipment that sends the ARP request.

Applying the foregoing embodiment, when the source device of the received data information is a user device, if the data information does not include an ARP request, the data information may be encapsulated according to the tunnel protocol information matched by the data transmission channel transmitting the data information. A tunnel agreement data packet is formed, and a target cloud device is determined, and the above data information is transmitted to the target cloud device based on the tunnel agreement data packet. If the above information includes an ARP request, the physical address of the target cloud device can be provided to the user device through the ARP proxy function of the cloud gateway device, thereby further achieving mutual access between the cloud device and the user device, avoiding The waste of public resources caused by the allocation of public network IP addresses to cloud devices saves public resources.

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

In the following, a complete data transmission application example is used to schematically illustrate the solution of this application.

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

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

When user equipment A requests computing resource source data from the cloud computing platform, the cloud device in the cloud computing platform may send the computing resource source data requested by user device A to the cloud gateway device. The cloud gateway device encapsulates the above computing resource source data into a tunnel agreement data package. If user equipment A has the function of a gateway device, the tunnel agreement data package can be sent directly to user equipment A, and user equipment A Decapsulate the tunnel agreement data package to restore the above-mentioned computing resource source data. If the user equipment A does not have the function of a gateway device, the tunnel agreement data packet can be sent to the user gateway device corresponding to the user equipment A, and the user gateway device decapsulates the tunnel agreement data packet. The computing resource source data is restored, and the computing resource source data is sent to the user device A.

When user equipment A transmits computing resource source data to the cloud computing platform, if user equipment A has the function of a gateway device, the computing resource source data can be directly packaged into a tunnel agreement data package, and then the tunnel agreement data The package is sent to the cloud gateway device in the cloud computing platform. If the user equipment A does not have the function of a gateway device, the computing resource source data can be sent to the user gateway device corresponding to the user equipment A, and the user gateway device encapsulates the computing resource source data into a tunnel. Agreement data package, and send the tunnel agreement data package to the cloud gateway device in the cloud computing platform. Finally, the cloud gateway device decapsulates the tunnel agreement data package to restore the above-mentioned 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 a mapping relationship table from the local cache. The mapping relationship table records part of the cloud. The mapping between the IP address and physical address of the device. Find out the physical address of the target cloud device from the mapping relationship table. The physical address of the target cloud device is returned to the above-mentioned 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 the computing resource source data.

It can be seen that by applying the above solution, the cloud device and the user device can be connected to each other 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 the present application, the present 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 a device. The device embodiments can be implemented by software, or by a combination of hardware or 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 in which it is located. In terms 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 nonvolatile memory. The internal memory 705 and the internal bus 706, among which 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. Except for the processor 702, the memory 703, the network interface 704, the non-volatile memory 705, and the internal bus 706 shown in FIG. 7, the device 700 in which the device is located in the embodiment is generally based on the actual function of the device. Other hardware may also be included, which are not shown one by one in FIG. 7.

Referring to FIG. 8, a block diagram of an embodiment of a gateway device according to the present application is shown.

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. Among them, the receiver 801 receives data information, and the central processing unit 802 responds to the receiver 801 receiving data Information to determine whether the source device from which the data information originates is a cloud device or a user device. The processing unit 803 performs corresponding processing on the data information based on the result of the determination by the central processing unit 802 to obtain processed data and a data analysis unit 804 determines the target device indicated by the data information, and the transmitter 805 transmits 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, package the data information into a tunnel agreement data packet according to the tunnel agreement information matched by the data transmission channel.

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

The transmitter 805 is configured to send a tunnel agreement data packet to the first target device through a data transmission channel, so that the first target device decapsulates the tunnel agreement data packet to obtain data information. Alternatively, a tunnel agreement data packet is sent to a gateway corresponding to the first target device through a data transmission channel, so that the gateway decapsulates the tunnel agreement data packet and sends 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, match a tunneling protocol that matches a data transmission channel for transmitting the data information Information decapsulates the data information to obtain the original data information.

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

The transmitter 805 is configured to: send raw material information to the second target device.

In another optional implementation manner, the gateway device further includes a physical address search unit (not shown in FIG. 8): the physical address search unit finds a third target when the above-mentioned 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 for the source device to communicate with the third target device based on the physical address.

Referring to FIG. 9, a block diagram of an embodiment of a device according to the present application is shown.

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

In an optional implementation manner, if the result of the determination by the central processing unit 902 is that the source device is a user device, the processing unit 903 is configured to match the tunneling protocol according to the data transmission channel when the above data information does not include an ARP request. The information encapsulates the data information into a tunnel agreement data packet, the data analysis unit 904 determines the target device indicated by the data information as the second target device, and the transmission unit 905 sends the tunnel agreement to the gateway corresponding to the second target device through the data transmission channel A data packet for the gateway to decapsulate the tunnel agreement 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 a gateway corresponding to a third target device when the foregoing data information includes an ARP request, and the third target device is a target cloud device indicated by the ARP request. The transmission unit 905 is further configured to send the data information to the gateway for the gateway to find out the physical address of the third target device. The information obtaining unit 901 is further configured to receive a physical address of a third target device returned by the gateway.

Referring to FIG. 10, a block diagram of a data transmission device according to an embodiment of the present application is shown.

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 configured 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 a result of the foregoing judgment to obtain processed data.

A determining unit 1003 is configured to determine a target device indicated by the material information.

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

Referring to FIG. 11, it is a block diagram of another embodiment of a data transmission device of 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.

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 the obtained data information.

The obtaining unit 1102 is configured to obtain tunnel agreement information matching a data transmission channel for transmitting the foregoing data information when the source device is a cloud device.

The decapsulating unit 1103 is configured to decapsulate the foregoing data information according to the tunnel protocol information to obtain original data information.

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

The transmission unit 1105 is configured to transmit data source information to a predetermined unit included in the first target device.

For details about the implementation process of the functions and functions of the units in the foregoing device, see the implementation process of the corresponding steps in the foregoing method for details, and details are not described herein again.

As for the device embodiment, since it basically corresponds to the method embodiment, the relevant part may refer to the description of the method embodiment. The device embodiments described above are only schematic, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, may be located One place, or it can be distributed across 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 paying progressive labor.

Those skilled in the art will readily contemplate other embodiments of the present application after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application. These variations, uses, or adaptations follow the general principles of this application and include common general knowledge in the technical field not disclosed in this application. Or conventional technical means. The description and examples are to be regarded as merely exemplary, and the true scope and spirit of this application is indicated by the scope of the patent application below.

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

Claims (21)

    A data transmission method, characterized in that the method includes: in response to receiving data information, determining whether a source device from which the data information originates is a cloud device or a user device; and based on a result of the determination, The data information is processed correspondingly to obtain the processed data; the target device indicated by the data information is determined; and the data is transmitted to the target device based on the processed data.         The method according to item 1 of the scope of patent application, wherein the corresponding processing of the data information based on a result of the judgment includes: if the source device is a cloud device, obtaining a matching data transmission channel Tunnel agreement information; the data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information.         The method according to item 2 of the scope of patent application, wherein determining the target device indicated by the data information comprises: parsing the target user device of the data information transmission from the data information as the first A target device; and 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 for the first target The device decapsulates the tunnel agreement data packet to obtain the data information; or sends the tunnel agreement data packet to the gateway corresponding to the first target device through the data transmission channel for the gateway After decapsulating the tunnel agreement data packet, 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 a 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 transmitting the data information; and decapsulate the data information according to the tunnel protocol information To get raw data information.         The method according to item 4 of the scope of patent application, wherein determining the target device indicated by the data information comprises: parsing the target cloud device of the data information transmission from the data information as a 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 4 of the scope of patent application, wherein the method further comprises: if the data information includes an ARP request, finding a physical address of a third target device, where the third target device is the The target cloud device indicated by the ARP request; 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.         A data transmission method, characterized in that 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; if the source device is a cloud device, obtaining The tunnel protocol information matched by the data transmission channel transmitting the data information; decapsulating the data information according to the tunnel protocol information to obtain the original data information; determining the target device indicated by the data information as the first target device Transmitting the raw material information to a predetermined unit included in the first target device.         The method according to item 7 of the scope of patent application, wherein the method further comprises: if the source device is a user device, determining whether the data information includes an address resolution protocol ARP request; if the data information The ARP request is not included, and the tunnel agreement information matching the data transmission channel is obtained; the data information is encapsulated into a tunnel agreement data packet according to the tunnel agreement information; the target device indicated by the data information is determined as the second target device; The data transmission channel sends the tunnel agreement data packet to a gateway corresponding to the second target device for the gateway to decapsulate the tunnel agreement data packet, and then sends the data information to the first Two target devices.         The method according to item 8 of the scope of patent application, wherein the method further comprises: 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 Request the indicated target cloud device; send the data information to the gateway for the gateway to find out the physical address of the third target device; receive the physical address of the third target device returned by the gateway Address.         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; wherein the receiver receives data information, and the central processing unit responds to The receiver receives the data information, determines whether the source device from which the data information originates is a cloud device or a user device, and the processing unit performs corresponding processing on the data information based on a result of the determination by the central processing unit. To obtain processed data, the data analysis unit determines a target device indicated by the data information, and the transmitter transmits data to the target device based on the processed data.         The gateway device according to item 10 of the scope of patent application, wherein the processing unit is configured to: when the source device is a cloud device, encapsulate the data information according to the tunnel agreement information matched by the data transmission channel Into a tunnel agreement packet.         The gateway device according to item 11 of the scope of patent application, wherein the data analysis unit is configured to: parse out the target user equipment for the data information transmission from the data information as the first target device; The sender 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 decapsulates the tunnel agreement data packet and obtains the tunnel agreement data packet. Or send the tunnel agreement data packet to the gateway corresponding to the first target device through the data transmission channel, for the gateway to decapsulate the tunnel agreement data packet, and then The data information is sent to the first target device.         The gateway device according to item 10 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 information of the data transmission channel matches the tunnel protocol information. The data information is decapsulated to obtain the original data information.         The gateway device according to item 13 of the scope of the patent application, wherein the data analysis unit is configured to: parse out the target cloud device for transmission of the data information from the data information as the second target device; The transmitter is configured to: send the raw material information to the second target device.         The gateway device according to item 13 of the scope of patent application, wherein the gateway device further includes a physical address search unit: the physical address search unit finds a third address when the data information includes an ARP request A physical address of a target device, and the third target device is a target cloud device indicated by the ARP request; the transmitter 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 device, characterized in that 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 obtains data information, and the central processing unit responds to the information The obtaining unit obtains the data information and determines whether the source device from which the data information is derived 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 The tunnel agreement information decapsulates the data information to obtain original data information, and the data analysis unit determines a target device indicated by the data information as a first target device; the transmission unit sends the first target device to the first target device. The included predetermined unit transmits the original data information.         The device according to item 16 of the scope of patent application, wherein if the result of the determination 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, The data information is encapsulated into a tunnel protocol data packet according to the tunnel agreement information matched by the data transmission channel. The data analysis unit determines the target device indicated by the data information as the second target device, and the transmission unit sends the data transmission channel to the data transmission channel. The gateway corresponding to the second target device sends the tunnel agreement data packet for the gateway to decapsulate the tunnel agreement data packet, and then sends the data information to the second target device.         The device according to item 17 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 further configured to send the data information to the gateway for the gateway to find out the physical address of the third target device; the information acquisition unit is also configured to receive A physical address of the third target device returned by the gateway.         A data transmission device, characterized in that the device comprises: a judgment unit for determining whether a source device from which the data information originates is a cloud device or a user device in response to receiving the data information; and a processing unit for: Based on the result of the judgment, corresponding processing is performed on the data information to obtain processed data; a determination unit is used to determine a target device indicated by the data information; and a transmission unit is used based on the processed information The data is transmitted to the target device.         A data transmission device, characterized in that the device includes: a judgment unit for determining 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; and an acquisition unit for When the source device is a cloud device, obtaining tunnel agreement information matching a data transmission channel transmitting the data information; and a decapsulating unit for decapsulating the data information according to the tunnel agreement information to obtain an original Material information; a determining unit for determining the target device indicated by the material information as a first target device; a transmission unit for transmitting the raw material information to the predetermined unit included in the first target device.         A 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 claims 10 to 15 Gateway equipment, or the device described in the scope of patent application No. 20; the user equipment includes the device described in any of the scope of patent applications 16 to 18, or Describing the device.