WO2025030525A1 - Data backup method and apparatus, and storage medium - Google Patents

Abstract

Provided in the present invention are a data backup method and apparatus, and a storage medium. The method comprises: an edge backup device acquiring a data backup request sent by a gateway, and evaluating the backup request on the basis of the backup request and the data processing capacity of the backup device; if the requirements in the backup request are met, receiving and saving backup data; and sending the backup data to the gateway or an application server with the guidance of the request according to a recovery request of the gateway. The gateway confirms with the application server regarding whether the application server can communicate with the edge backup device; and if so, the backup data is guided to be sent to the application server, otherwise, the backup data is guided to be sent to the gateway, and then sent to the application server by means of the gateway. By means of the technical solution in the embodiments of the present invention, data backup can be performed after a backup request is evaluated by taking into consideration the processing capability of an edge backup device, and thus backup requirements can be flexibly handled; moreover, the cost of deploying a large amount of backup devices is reduced, and a more flexible backup network structure is realized.

Description

Data backup method, device and storage medium Technical Field

The present invention relates to the fields of edge computing and network communications, and in particular to a data backup method, device and storage medium.

Background Art

As digitalization becomes more and more important in the manufacturing industry, more and more data is collected and stored to support various applications such as process tracking, equipment monitoring, predictive maintenance, AI-based analysis and optimization, etc. With the development of IoT technology, more and more data is now collected through sensors and on-site lightweight IoT gateways or IoT edge devices, and then transmitted to application servers.

Occasional disconnections between IoT gateways and servers are unavoidable due to updates to the operating system/application/library on the server, unexpected service interruptions on the server, network outages due to cable problems or configuration changes, network reconstruction, etc. In order to continue collecting important data and avoid data loss during server disconnection, IoT gateways are usually designed to be able to temporarily cache the collected data and upload the cached data as soon as the server connection is restored.

In order to avoid data loss due to long-term disconnection from the server, especially in cases where a large amount of data needs to be collected, an IoT gateway with large data storage capacity is required. For example, there are more than 1 sensor connected to the gateway and the frequency of data collection is high. Since IoT gateways in most IoT applications are envisioned to be low-cost, low-functionality, and deployed on a large scale, the demand for industrial-grade large data storage capacity will greatly increase the cost. In addition, it is difficult to have a storage redundancy system to ensure the security of cached data on the gateway, such as a double-disk backup system.

Summary of the invention

To solve the above problems, the present invention proposes a multiple backup method, device and storage medium to back up data, reduce the cost of backup equipment and improve the flexibility of system architecture.

A data backup method proposed in an embodiment of the present invention is deployed on the edge backup device side, and the method includes: an edge backup device information acquisition step, obtaining the data processing capability of the edge backup device; a backup request acquisition step, obtaining the data backup request sent by the gateway; wherein the data backup request includes data backup requirement information; a backup request evaluation step, including: evaluating the data backup request based on the data backup requirement information and the data processing capability of the edge backup device; if the edge backup device is able to process the data backup request, then sending data backup request confirmation information to the gateway; a backup data receiving step, receiving the backup data sent by the gateway after obtaining the data backup request confirmation information, and saving the backup data to the edge backup device; a backup recovery request acquisition step, obtaining the backup recovery request sent by the gateway; a backup data sending step, sending the backup data stored in the edge backup device to the gateway or application server according to the backup recovery request. The data backup requirement is realized. Evaluation ensures reliable data backup and reduces the cost of backup equipment.

A data backup method proposed in an embodiment of the present invention is deployed on the gateway side, and the method includes: a backup request sending step, sending a data backup request to an edge backup device; wherein the data backup request includes data backup requirement information; a data backup request confirmation information obtaining step, obtaining the data backup request confirmation information sent by the edge backup device; a backup data sending step, sending backup data to the edge backup device that sent the data backup request confirmation information; a backup recovery request sending step, sending a backup recovery request to the edge backup device that stores the backup data; and a backup data receiving step, obtaining the backup data sent by the edge backup device. The evaluation of data backup requirements is realized, reliable data backup is guaranteed, and the cost of backup devices is reduced.

A data backup method proposed in an embodiment of the present invention is deployed on the application server side, and the method includes: obtaining backup recovery guidance inquiry information step, obtaining backup recovery query information sent by the gateway; backup recovery guidance inquiry information response step, judging whether the application server can communicate with the edge backup device; if so, sending backup recovery confirmation information to the gateway; backup data receiving step, obtaining backup data sent by the edge backup device. The evaluation of data backup requirements is realized, reliable data backup is guaranteed, and the cost of backup equipment is reduced.

In an embodiment of the present invention, a data backup device is proposed, which is arranged on the edge backup device side, and includes: an edge backup device information acquisition module, which is configured to: acquire the data processing capability of the edge backup device; a backup request acquisition module, which is configured to: acquire the data backup request sent by the gateway; wherein the data backup request includes data backup requirement information; a backup request evaluation module, which is configured to: evaluate the data backup request based on the data backup requirement information and the data processing capability of the edge backup device; if the edge backup device can process the data backup request, then send data backup request confirmation information to the gateway; a backup data receiving module, which is configured to: receive the backup data sent by the gateway after obtaining the data backup request confirmation information, and save the backup data to the edge backup device; a backup recovery acquisition request module, which is configured to: acquire the backup recovery request sent by the gateway; and a backup data sending module, which is configured to: send the backup data stored in the edge backup device to the gateway or application server according to the backup recovery request. The evaluation of data backup requirements is realized, reliable data backup is guaranteed, and the cost of backup devices is reduced.

In an embodiment of the present invention, a data backup device is proposed, which is arranged on the gateway side and includes: a backup request sending module, which is configured to send a data backup request to an edge backup device; wherein the data backup request includes data backup requirement information; a data backup request confirmation information obtaining module, which is configured to obtain the data backup request confirmation information sent by the edge backup device; a backup data sending module, which is configured to send backup data to the edge backup device that sends the data backup request confirmation information; a backup recovery request sending module, which is configured to send a backup recovery request to the edge backup device that stores the backup data; a backup data receiving module, which is configured to obtain the backup data sent by the edge backup device. This implements the evaluation of data backup requirements, ensures reliable data backup, and reduces backup time. The cost of the equipment.

In an embodiment of the present invention, a data backup device is proposed, which is arranged on the application server side and includes: a backup recovery guide inquiry information acquisition module, which is configured to acquire backup recovery inquiry information sent by a gateway; a backup recovery guide inquiry information response module, which is configured to: determine whether the application server can communicate with an edge backup device; if so, send backup recovery inquiry confirmation information to the gateway; a backup data receiving module, which is configured to acquire backup data sent by the edge backup device. The evaluation of data backup requirements is realized, reliable data backup is guaranteed, and the cost of backup devices is reduced.

An electronic device proposed in an embodiment of the present invention includes: at least one processor; and a memory coupled to the at least one processor, wherein the memory is used to store instructions, and when the instructions are executed by the at least one processor, the processor executes the method described above.

An embodiment of the present invention provides a computer-readable storage medium on which computer instructions are stored. When the computer instructions are executed, the method described in any of the above embodiments is executed.

A computer program product provided in an embodiment of the present invention includes a computer program. When the computer program is executed by a processor, the method described in any one of the above embodiments is implemented.

BRIEF DESCRIPTION OF THE DRAWINGS

The following drawings are intended only to illustrate and explain the present invention, and do not limit the scope of the present invention.

FIG. 1 is a schematic diagram of an architecture of a data backup network according to an embodiment of the present invention.

FIG. 2 is a schematic flow chart of a data backup method deployed on an edge backup device according to an embodiment of the present invention.

FIG3 is a schematic flow chart of a data backup method deployed on a gateway side according to an embodiment of the present invention.

FIG. 4 is a schematic flow chart of a data backup method deployed on an application server side according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of the structure of a data backup device disposed at an edge backup device side according to an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a data backup device disposed at a gateway side according to an embodiment of the present invention.

FIG. 7 is a schematic diagram of the structure of a data backup device disposed on an application server side according to an embodiment of the present invention.

FIG. 8 is a schematic diagram of an electronic device according to an embodiment of the present invention.

The following are the descriptions of the reference numerals:

DETAILED DESCRIPTION

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific embodiments of the present invention are now described with reference to the accompanying drawings.

In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "an" and/or "the" do not refer to the singular and may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of the steps and elements that have been clearly identified, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

In order to avoid data loss due to long-term disconnection from the server, an IoT gateway with large data storage capacity is required, especially in cases where a large amount of data needs to be collected. For example, there are more than 1 sensor connected to the gateway and the frequency of data collection is high. Since IoT gateways in most IoT applications are envisioned to be low-cost, low-functionality, and deployed on a large scale, the need for industrial-grade large data storage capacity will greatly increase the cost.

Therefore, the embodiment of the present invention provides a more optimized data backup method, device and storage medium. The method includes: the edge backup device obtains the data backup request sent by the gateway, and evaluates the backup request based on the backup request and the data processing capability of the backup device; if the backup request is met, the backup data is received and saved; and the backup data is sent to the gateway or application server according to the request guidance according to the recovery request of the gateway. The gateway confirms with the application server whether the application server can communicate with the edge backup device; if so, the backup data is guided to be sent to the application server; otherwise, it is guided to be sent to the gateway, and then sent to the application server by the gateway. The technical solution in the embodiment of the present invention can evaluate the backup request in combination with the processing capability of the edge backup device and then back up the data, can flexibly handle backup needs, and at the same time reduce the cost of deploying a large number of backup devices, and realize a more flexible backup network structure.

Fig. 1 is a schematic diagram of the architecture of a data backup network in an embodiment of the present invention. As shown in Fig. 1, the network may include:

The edge backup device 101 is a computer-like device, mainly including a CPU, memory, storage disk, network card, etc. It can be a device similar to a server, a PC or an IoT gateway. It is able to connect to the network, receive data from other devices, transmit data to other devices, and store data to one or more storage disks. The edge backup device can be a general lightweight IoT backup device, independent of any specific IT application. There may be more than one edge backup device in the network. The edge backup device can be a separate device that is only responsible for data backup, or it can be an ordinary IoT gateway with a large storage capacity, which supports IoT data collection services, as an IoT gateway, and data backup services, as an edge backup device. This means that each gateway can be an edge backup device and can easily share storage with each other if it has more processing power and storage space than required for its own tasks.

The gateway 102 can be used as a data transfer point to send edge devices to the data center for scheduling and sending to the application server, or it can forward the server data to the edge device. When the communication between the gateway and the application server is blocked, it requests the edge backup device to perform cache backup of the data. When restoring data, it acts as a bridge to ask the application server whether it can directly receive the backup data in the edge backup device, and request the edge backup device to extract the backup data.

The application server 103 can communicate directly with the gateway or the edge backup device. After verifying the communication possibility with the edge backup device, the application server 103 can directly receive the backup book stored therein.

Fig. 2 is a flow chart of a data backup method 200 deployed on an edge backup device in an embodiment of the present invention. As shown in Fig. 2, the method 200 may include:

The edge backup device information acquisition step S201 is to acquire the data processing capability of the edge backup device.

The backup request acquisition step S202 is to acquire a data backup request sent by the gateway; wherein the data backup request includes data backup requirement information.

Specifically, there are two ways for the gateway to send a backup request to the edge backup device. The first is to reserve some specific network addresses for the edge backup devices and put the address list in the configuration file of each gateway. When the gateway needs backup service, it can send request messages to the edge backup device addresses one by one to find the edge backup device in the network. The second is that each edge device or gateway can provide data backup service as an edge backup device. The gateway can broadcast a request message in the network and select one from all responding edge backup devices.

The backup request evaluation step S203 includes: evaluating the data backup request based on the data backup requirement information and the data processing capability of the edge backup device; and sending data backup request confirmation information to the gateway if the edge backup device can process the data backup request.

In one embodiment, the data processing capability of the edge backup device includes: computing power, network bandwidth, storage space and/or ongoing backup tasks;

The data backup requirement information includes: storage space requirement, communication requirement and/or data priority.

Specifically, the storage space requirement and the communication requirement may be a sampling frequency, a data size of each sampling, and/or a time required for backup, etc.

Specifically, data backup requests from other edge devices or gateways can be evaluated based on the capabilities of the edge backup device, such as processing power, network bandwidth, storage space, ongoing backup services, etc., and request information. After accepting the request from the IoT gateway, it will receive and store all data from the gateway. The request message may include the identity information and specific requirements of the gateway, such as device ID, security check token, etc., storage requirements, such as a sample size of collected data, collection frequency, storage capacity required for one minute, etc., communication requirements, TCP, UDP, whether ACK is required, etc., and even the priority of the data, similar to QoS (Quality of Services). After the evaluation, if the storage requirements can be well met, the edge backup device will send a confirmation message to the gateway.

The backup data receiving step S204 receives the backup data sent by the gateway after obtaining the data backup request confirmation information, and saves the backup data to the edge backup device.

Specifically, the gateway sends the collected data to the edge backup device. After receiving the data from the gateway, the edge backup device will not try to interpret the content or structure of the data, and will simply store the data as is.

In the backup and recovery request acquisition step S205, a backup and recovery request sent by the gateway is acquired.

In the backup data sending step S206, the backup data stored in the edge backup device is sent to the gateway or application server according to the backup recovery request.

In one embodiment, the backup and recovery request includes backup and recovery guiding information; the backup and recovery guiding information is used to guide the backup data to be sent to the gateway or application server.

Specifically, when the connection between the gateway and the application server is restored, if the application server does not support the services related to the edge backup device, the gateway will try to retrieve the backup data from the edge backup device and send it to the application server. The gateway can send a query message to the application server to query whether the application server supports the edge backup device service. If a confirmation message is obtained from the server, the gateway will notify the edge backup device to transmit the backup data directly to the application server instead of returning the data to the gateway.

FIG3 is a flow chart of a data backup method 300 deployed on a gateway side in an embodiment of the present invention. As shown, the method 300 may include:

In the backup request sending step S301, a data backup request is sent to an edge backup device; wherein the data backup request includes data backup requirement information.

Specifically, there are two ways for the gateway to send a backup request to the edge backup device. The first is to reserve some specific network addresses for the edge backup devices and put the address list in the configuration file of each gateway. When the gateway needs backup service, it can send request messages to the edge backup device addresses one by one to find the edge backup device in the network. The second is that since each edge device or gateway can provide data backup services as an edge backup device, the gateway can broadcast the request message in the network and select one from all responding edge backup devices.

The data backup request confirmation information acquisition step S302 is to acquire the data backup request confirmation information sent by the edge backup device.

Specifically, data backup requests from other edge devices or gateways can be evaluated based on the capabilities of the edge backup device, such as processing power, network bandwidth, storage space, ongoing backup services, etc., and request information. After accepting the request from the IoT gateway, it will receive and store all data from the gateway. The request message may include the identity information and specific requirements of the gateway, such as device ID, security check token, etc., storage requirements, such as a sample size of collected data, collection frequency, storage capacity required for one minute, etc., communication requirements, TCP, UDP, whether ACK is required, etc., and even the priority of the data, similar to QoS (Quality of Services). After the evaluation, if the storage requirements can be well met, the edge backup device will send a confirmation message to the gateway.

The backup data sending step S303 is to send the backup data to the edge backup device that sent the data backup request confirmation information.

The backup and recovery request sending step S304 is to send a backup and recovery request to the edge backup device storing the backup data.

The backup data receiving step S305 is to obtain the backup data sent by the edge backup device.

In one embodiment, before the backup recovery request sending step S304, the method further includes: a backup recovery guide inquiry step S306, including: sending backup recovery query information to the application server, inquiring whether the application server can communicate with the edge backup device, obtaining backup recovery confirmation information from the application server in response to the backup recovery query information, and generating a backup recovery request based on the backup recovery confirmation information.

In one embodiment, the backup and recovery request includes: backup and recovery guide information, which is used to guide the backup data to be sent to the gateway or application server; if the gateway receives the backup and recovery confirmation information, it generates a backup and recovery request containing the backup and recovery guide information that guides the backup data to be sent to the application server; otherwise, it generates a backup and recovery request containing the backup and recovery guide information that guides the backup data to be sent to the gateway.

Specifically, when the connection between the gateway and the application server is restored, if the application server does not support the services related to the edge backup device, the gateway will try to retrieve the backup data from the edge backup device and send it to the application server. The gateway can send a query message to the application server to query whether the application server supports the edge backup device service. If a confirmation message is obtained from the server, the gateway will notify the edge backup device to transmit the backup data directly to the application server instead of returning the data to the gateway.

Fig. 4 is a flow chart of a data backup method 400 deployed on an application server side in an embodiment of the present invention. As shown in Fig. 4, the method 400 may include:

Obtain backup and recovery guidance inquiry information step S401, obtaining backup and recovery inquiry information sent by the gateway;

Backup recovery guidance inquiry information response step S402, determining whether the application server can communicate with the edge backup device; if so, sending backup recovery confirmation information to the gateway;

The backup data receiving step S403 is to obtain the backup data sent by the edge backup device.

Specifically, when the connection between the gateway and the application server is restored, if the application server does not support the services related to the edge backup device, the gateway will try to retrieve the backup data from the edge backup device and send it to the application server. The gateway can send a query message to the application server to query whether the application server supports the edge backup device service. If a confirmation message is obtained from the server, the gateway will notify the edge backup device to transmit the backup data directly to the application server instead of returning the data to the gateway.

Fig. 5 is a schematic diagram of the structure of a data backup device 500 disposed on the edge backup device side in an embodiment of the present invention. As shown in Fig. 5, the device 500 may include:

The edge backup device information acquisition module 501 acquires the data processing capability of the edge backup device.

The backup request acquisition module 502 acquires a data backup request sent by the gateway; wherein the data backup request includes data backup requirement information.

Specifically, there are two ways for the gateway to send a backup request to the edge backup device. The first is to reserve some specific network addresses for the edge backup devices and put the address list in the configuration file of each gateway. When the gateway needs backup service, it can send request messages to the edge backup device addresses one by one to find the edge backup device in the network. The second is that since each edge device or gateway can provide data backup services as an edge backup device, the gateway can broadcast the request message in the network and select one from all responding edge backup devices.

The backup request evaluation module 503 includes: evaluating the data backup request based on the data backup requirement information and the data processing capability of the edge backup device; and sending data backup request confirmation information to the gateway if the edge backup device can process the data backup request.

In one embodiment, the data processing capability of the edge backup device includes: computing power, network bandwidth, storage space and/or ongoing backup tasks;

The data backup requirement information includes: storage space requirement, communication requirement and/or data priority.

Specifically, the storage space requirement and the communication requirement may be a sampling frequency, a data size of each sampling, and/or a time required for backup, etc.

Specifically, data backup requests from other edge devices or gateways can be evaluated based on the capabilities of the edge backup device, such as processing power, network bandwidth, storage space, ongoing backup services, etc., and request information. After accepting the request from the IoT gateway, it will receive and store all data from the gateway. The request message may include the identity information and specific requirements of the gateway, such as device ID, security check token, etc., storage requirements, such as a sample size of collected data, collection frequency, storage capacity required for one minute, etc., communication requirements, TCP, UDP, whether ACK is required, etc., and even the priority of the data, similar to QoS (Quality of Services). After the evaluation, if the storage requirements can be well met, the edge backup device will send a confirmation message to the gateway.

The backup data receiving module 504 receives the backup data sent by the gateway after obtaining the data backup request confirmation information, and saves the backup data to the edge backup device.

Specifically, the gateway sends the collected data to the edge backup device. After receiving the data from the gateway, the edge backup device will not try to interpret the content or structure of the data, and will simply store the data as is.

The backup and recovery request acquisition module 505 acquires the backup and recovery request sent by the gateway.

The backup data sending module 506 sends the backup data stored in the edge backup device to the gateway or application server according to the backup recovery request.

In one embodiment, the backup and recovery request includes backup and recovery guiding information; the backup and recovery guiding information is used to guide the backup data to be sent to the gateway or application server.

Specifically, when the connection between the gateway and the application server is restored, if the application server does not support the services related to the edge backup device, the gateway will try to retrieve the backup data from the edge backup device and send it to the application server. The gateway can send a query message to the application server to query whether the application server supports the edge backup device service. If a confirmation message is obtained from the server, the gateway will notify the edge backup device to transmit the backup data directly to the application server instead of returning the data to the gateway.

Fig. 6 is a schematic diagram of the structure of a data backup device 600 disposed on the gateway side in an embodiment of the present invention. As shown in Fig. 6, the device 600 may include:

The backup request sending module 601 sends a data backup request to an edge backup device; wherein the data backup request includes data backup requirement information.

Specifically, there are two ways for the gateway to send a backup request to the edge backup device. First, some specific network addresses can be reserved for the edge backup devices, and the address list can be placed in the configuration file of each gateway. When the gateway needs backup service, it can send request messages to the edge backup device addresses one by one, so as to find the edge backup device in the network. The second one is that since each edge device or gateway can provide data backup service as an edge backup device, the gateway can broadcast the request message in the network and select one from all the responding edge backup devices.

The data backup request confirmation information acquisition module 602 acquires the data backup request confirmation information sent by the edge backup device.

Specifically, data backup requests from other edge devices or gateways can be evaluated based on the capabilities of the edge backup device, such as processing power, network bandwidth, storage space, ongoing backup services, etc., and request information. After accepting the request from the IoT gateway, it will receive and store all data from the gateway. The request message may include the identity information and specific requirements of the gateway, such as device ID, security check token, etc., storage requirements, such as a sample size of collected data, collection frequency, storage capacity required for one minute, etc., communication requirements, TCP, UDP, whether ACK is required, etc., and even the priority of the data, similar to QoS (Quality of Services). After the evaluation, if the storage requirements can be well met, the edge backup device will send a confirmation message to the gateway.

The backup data sending module 603 sends the backup data to the edge backup device that sent the data backup request confirmation information.

The backup and recovery request sending module 604 sends a backup and recovery request to the edge backup device storing the backup data.

The backup data receiving module 605 obtains the backup data sent by the edge backup device.

In one embodiment, before executing the backup recovery request sending module 604, the device further includes: a backup recovery guidance inquiry module 606, including: sending backup recovery query information to the application server, inquiring whether the application server can communicate with the edge backup device, obtaining the backup recovery confirmation information of the application server in response to the backup recovery query information, and generating a backup recovery request according to the backup recovery confirmation information.

In one embodiment, the backup and recovery request includes: backup and recovery guide information, which is used to guide the backup data to be sent to the gateway or application server; if the gateway receives the backup and recovery confirmation information, it generates a backup and recovery request containing the backup and recovery guide information that guides the backup data to be sent to the application server; otherwise, it generates a backup and recovery request containing the backup and recovery guide information that guides the backup data to be sent to the gateway.

Specifically, when the connection between the gateway and the application server is restored, if the application server does not support the services related to the edge backup device, the gateway will try to retrieve the backup data from the edge backup device and send it to the application server. The gateway can send a query message to the application server to query whether the application server supports the edge backup device service. If a confirmation message is obtained from the server, the gateway will notify the edge backup device to transmit the backup data directly to the application server instead of returning the data to the gateway.

FIG. 7 is a schematic structural diagram of a data backup device 700 disposed on an application server side according to an embodiment of the present invention. As shown in FIG. 7 , the apparatus 700 may include:

The module 701 for obtaining the backup and recovery guidance query information obtains the backup and recovery query information sent by the gateway;

The backup and recovery guidance inquiry information response module 702 determines whether the application server can communicate with the edge backup device; if so, sends a backup and recovery confirmation message to the gateway;

The backup data receiving module 703 obtains the backup data sent by the edge backup device.

Specifically, when the connection between the gateway and the application server is restored, if the application server does not support the services related to the edge backup device, the gateway will try to retrieve the backup data from the edge backup device and send it to the application server. The gateway can send a query message to the application server to query whether the application server supports the edge backup device service. If a confirmation message is obtained from the server, the gateway will notify the edge backup device to transmit the backup data directly to the application server instead of returning the data to the gateway.

The present invention further provides an electronic device 800. Fig. 8 is a schematic diagram of an electronic device 800 according to an embodiment of the present invention. As shown in Fig. 8, the electronic device 800 includes a processor 810 and a memory 820, wherein the memory 820 stores instructions, wherein when the instructions are executed by the processor 810, the methods 100 to 700 described above are implemented.

The present invention further provides a computer-readable storage medium on which computer instructions are stored. When the computer instructions are executed, the method described above is executed.

The present invention also provides a computer program product, comprising a computer program, and when the computer program is executed by a processor, the method described above is implemented.

Some aspects of the methods and apparatus of the present invention may be performed entirely by hardware, entirely by software (including firmware, resident software, microcode, etc.), or by a combination of hardware and software. The above hardware or software may be referred to as "data blocks", "modules", "engines", "units", "components" or "systems". The processor may be one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DAPDs), programmable logic devices (PLCs), field programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors or combinations thereof. In addition, various aspects of the present invention may be expressed as computer products located in one or more computer-readable media, which include computer-readable program codes. For example, computer-readable media may include, but are not limited to, magnetic storage devices (e.g., hard disks, floppy disks, tapes, etc.), optical disks (e.g., compact disks (CDs), digital versatile disks (DVDs) ...), smart cards, and flash memory devices (e.g., cards, sticks, key drives ...).

Flowchart is used here to illustrate the operations performed according to the method of the embodiment of the present application. It should be understood that the above operations are not necessarily performed accurately in order. On the contrary, various steps can be processed in reverse order or simultaneously. At the same time, other operations may be added to these processes, or a certain step or several steps of operations may be removed from these processes.

It should be understood that although this specification is described according to various embodiments, not every embodiment includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should understand the description of the specification. As a whole, the technical solutions in the various embodiments may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations made by any person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims (17)

A data backup method (200) is deployed on an edge backup device side, characterized in that the method comprises: An edge backup device information acquisition step (S201) is to acquire the data processing capability of the edge backup device; A backup request acquisition step (S202) is to acquire a data backup request sent by a gateway; wherein the data backup request includes data backup requirement information; The backup request evaluation step (S203) includes: evaluating the data backup request based on the data backup requirement information and the data processing capability of the edge backup device; if the edge backup device can process the data backup request, sending data backup request confirmation information to the gateway; A backup data receiving step (S204), receiving the backup data sent by the gateway after obtaining the data backup request confirmation information, and saving the backup data to the edge backup device; A backup and recovery request acquisition step (S205), acquiring a backup and recovery request sent by the gateway; The backup data sending step (S206) sends the backup data stored in the edge backup device to the gateway or application server according to the backup recovery request. The method according to claim 1 is characterized in that the data processing capability of the edge backup device includes: computing power, network bandwidth, storage space and/or ongoing backup tasks; the data backup demand information includes: storage space requirements, communication requirements and/or data priority. The method according to claim 1, wherein the backup and restore request comprises: Backup and recovery guide information, wherein the backup and recovery guide information is used to guide the backup data to be sent to the gateway or application server. A data backup method (300), deployed on a gateway side, is characterized in that the method comprises: A backup request sending step (S301) sends a data backup request to an edge backup device; wherein the data backup request includes data backup requirement information; A data backup request confirmation information acquisition step (S302), acquiring the data backup request confirmation information sent by the edge backup device; A backup data sending step (S303) is to send the backup data to the edge backup device that sends the data backup request confirmation information; A backup recovery request sending step (S304), sending a backup recovery request to an edge backup device storing the backup data; The backup data receiving step (S305) is to obtain the backup data sent by the edge backup device. The method according to claim 4 is characterized in that before the backup recovery request sending step (S304), The method further comprises: The backup recovery boot inquiry step (S306) includes: sending backup recovery query information to the application server, inquiring whether the application server can communicate with the edge backup device, obtaining backup recovery confirmation information from the application server in response to the backup recovery query information, and generating a backup recovery request based on the backup recovery confirmation information. The method according to claim 5, wherein the backup and restore request comprises: Backup and recovery guide information, the backup and recovery guide information is used to guide the backup data to be sent to the gateway or application server; If the gateway receives the backup and recovery confirmation information, it generates a backup and recovery request containing backup and recovery guidance information for guiding the backup data to be sent to the application server; otherwise, it generates a backup and recovery request containing backup and recovery guidance information for guiding the backup data to be sent to the gateway. A data backup method (400), deployed on an application server side, is characterized in that the method comprises: Obtaining backup and recovery guidance inquiry information step (S401), obtaining backup and recovery inquiry information sent by the gateway; A backup and recovery guidance inquiry information response step (S402) determines whether the application server can communicate with the edge backup device; if so, sends a backup and recovery confirmation message to the gateway; The backup data receiving step (S403) is to obtain the backup data sent by the edge backup device. A data backup device (500), arranged on an edge backup device side, is characterized by comprising: The edge backup device information acquisition module (501) is configured to: acquire the data processing capability of the edge backup device; The backup request acquisition module (502) is configured to: acquire a data backup request sent by a gateway; wherein the data backup request includes data backup requirement information; The backup request evaluation module (503) is configured to: evaluate the data backup request based on the data backup requirement information and the data processing capability of the edge backup device; if the edge backup device can process the data backup request, send data backup request confirmation information to the gateway; A backup data receiving module (504) is configured to: receive the backup data sent by the gateway after obtaining the data backup request confirmation information, and save the backup data to the edge backup device; The backup and recovery request acquisition module (505) is configured to: acquire the backup and recovery request sent by the gateway; The backup data sending module (506) is configured to send the backup data stored in the edge backup device to the gateway or application server according to the backup recovery request. The apparatus according to claim 8, wherein the data processing capability of the edge backup device includes: computing power, network bandwidth, storage space and/or ongoing backup tasks; and the data backup requirement information includes: Storage space requirements, communication requirements, and/or data priorities. The device according to claim 8, characterized in that The backup and recovery request includes backup and recovery guidance information; The backup and recovery guide information is used to guide the backup data to be sent to the gateway or application server. A data backup device (600), arranged at a gateway side, is characterized by comprising: The backup request sending module (601) is configured to: send a data backup request to an edge backup device; wherein the data backup request includes data backup requirement information; The data backup request confirmation information acquisition module (602) is configured to: acquire the data backup request confirmation information sent by the edge backup device; The backup data sending module (603) is configured to: send the backup data to the edge backup device that sends the data backup request confirmation information; The backup recovery request sending module (604) is configured to: send a backup recovery request to the edge backup device storing the backup data; The backup data receiving module (605) is configured to obtain the backup data sent by the edge backup device. The device according to claim 11, characterized in that the device further comprises: The backup and recovery boot confirmation module (606) is configured to: send backup and recovery query information to the application server, inquire whether the application server can communicate with the edge backup device, obtain backup and recovery confirmation information from the application server in response to the backup and recovery query information, and generate a backup and recovery request based on the backup and recovery confirmation information. The device according to claim 12, wherein the backup and restore request comprises: Backup and recovery guide information, the backup and recovery guide information is used to guide the backup data to be sent to the gateway or application server; If the gateway receives the backup and recovery confirmation information, it generates a backup and recovery request containing backup and recovery guidance information for guiding the backup data to be sent to the application server; otherwise, it generates a backup and recovery request containing backup and recovery guidance information for guiding the backup data to be sent to the gateway. A data backup device (700), arranged on an application server side, is characterized by comprising: The module (701) for obtaining the backup and recovery guidance query information is configured to obtain the backup and recovery query information sent by the gateway; The backup recovery guidance inquiry information response module (702) is configured to: determine whether the application server can communicate with the edge backup device; if so, send backup recovery inquiry confirmation information to the gateway; The backup data receiving module (703) is configured to obtain the backup data sent by the edge backup device. An electronic device (800) comprising: at least one processor (810); and A memory (820) coupled to the at least one processor (810), the memory (820) being used to store instructions, which, when executed by the at least one processor (810), causes the processor (810) to perform the method according to any one of claims 1 to 7. A computer-readable storage medium stores computer instructions, which, when executed, execute the method according to any one of claims 1 to 7. A computer program product, characterized in that it comprises a computer program, and when the computer program is executed by a processor, the method according to any one of claims 1 to 7 is implemented.