CN113687985A - Internet of things data backup method based on Internet of things equipment trust - Google Patents

Abstract

The invention provides an Internet of things data backup method based on the trust degree of Internet of things equipment, and relates to the technical field of Internet of things. In the invention, target trust degree information between the Internet of things devices is determined based on the first device position information corresponding to the Internet of things devices; judging whether the internet of things data sent by the internet of things equipment is acquired or not, determining the internet of things equipment sending the internet of things data as first internet of things equipment after judging that the internet of things data sent by the internet of things equipment is acquired, and determining each piece of internet of things equipment of which the target trust degree information between the first internet of things equipment and the first internet of things equipment meets the preset trust degree threshold information as second internet of things equipment corresponding to the first internet of things equipment, wherein the internet of things data is acquired based on the corresponding internet of things equipment; and performing backup processing on the data of the Internet of things based on each second networking device. Therefore, the safety of data backup of the Internet of things can be improved.

Description

Internet of things data backup method based on Internet of things equipment trust

Technical Field

The invention relates to the technical field of Internet of things, in particular to an Internet of things data backup method based on the trust degree of Internet of things equipment.

Background

The network technology is applied to all things, the internet of things can be formed, for example, a sensor is embedded into an oil net, a power grid, a road net, a water net, a building, a dam and other objects, then the internet of things and the internet are integrated, the human society and a physical system are integrated, a super computer group carries out real-time management and control on personnel, machine equipment and infrastructure of the integrated net, production and life are managed in a fine dynamic mode, the resource utilization rate and the productivity level are improved, and the human-natural relationship is improved.

Wherein, after the thing networking is constituteed, can send the thing networking data that thing networking equipment gathered for the server of rear end and handle, and in order to avoid data loss scheduling problem, generally will select to carry out backup processing to thing networking data. However, the inventor researches and finds that, in the prior art, data is generally backed up directly on the basis of a fixed device in a fixed mode, and thus, the data backup has a problem of low security.

Disclosure of Invention

In view of this, the present invention provides an internet of things data backup method based on the trust level of an internet of things device, so as to improve the security of the internet of things data backup.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

an Internet of things data backup method based on the trust degree of Internet of things equipment is applied to an Internet of things background server and comprises the following steps:

determining target trust degree information between every two pieces of internet-of-things equipment in a plurality of pieces of internet-of-things equipment in communication connection based on acquired first equipment position information corresponding to each piece of internet-of-things equipment in communication connection, wherein the first equipment position information is used for representing the equipment position of the corresponding internet-of-things equipment, and the target trust degree information is used for representing the trust degree between the two corresponding internet-of-things equipment;

judging whether the internet of things data sent by the internet of things equipment is acquired or not, determining the internet of things equipment sending the internet of things data as first internet of things equipment after judging that the internet of things data sent by the internet of things equipment is acquired, and determining each piece of internet of things equipment of which target trust degree information between the first internet of things equipment and the first internet of things equipment meets pre-configured trust degree threshold information as second internet of things equipment corresponding to the first internet of things equipment, wherein the internet of things data is acquired based on the corresponding internet of things equipment;

and performing backup processing on the data of the Internet of things based on each second networking device.

In some preferred embodiments, in the method for backing up data of an internet of things based on the trust level of the internet of things device, the step of determining whether to acquire the data of the internet of things sent by the internet of things device, and after determining that the data of the internet of things sent by the internet of things device is acquired, determining the internet of things device sending the data of the internet of things as a first internet of things device, and determining each internet of things device whose target trust level information with the first internet of things device meets the pre-configured trust level threshold information as a second internet of things device corresponding to the first internet of things device includes:

judging whether the Internet of things data sent by any one piece of Internet of things equipment is acquired or not;

after the fact that the internet of things data sent by one piece of internet of things equipment is obtained is judged, the internet of things equipment sending the internet of things data is determined to be first internet of things equipment;

for each piece of internet-of-things equipment except the first internet-of-things equipment, determining whether target trust degree information between the piece of internet-of-things equipment and the first internet-of-things equipment is larger than or equal to pre-configured trust degree threshold information;

counting the number of the internet of things devices corresponding to the target trust degree information which is greater than or equal to the trust degree threshold information to obtain a corresponding first device number, and determining the size relation between the first device number and a pre-configured device number threshold;

when the number of the first devices is smaller than or equal to the device number threshold, each piece of internet-of-things device corresponding to the target trust degree information which is larger than or equal to the trust degree threshold information is determined as a second internet-of-things device corresponding to the first internet-of-things device.

In some preferred embodiments, in the method for backing up data of an internet of things based on the trust level of the internet of things device, the step of determining whether to acquire the data of the internet of things sent by the internet of things device, and after determining that the data of the internet of things sent by the internet of things device is acquired, determining the internet of things device sending the data of the internet of things as a first internet of things device, and determining each internet of things device whose target trust level information with the first internet of things device meets the pre-configured trust level threshold information as a second internet of things device corresponding to the first internet of things device further includes:

when the number of the first devices is larger than the device number threshold value, determining that the device number threshold value number of the internet of things devices are used as second internet of things devices corresponding to the first internet of things devices in each internet of things device corresponding to target trust degree information larger than or equal to the trust degree threshold value information.

In some preferred embodiments, in the method for backing up data of an internet of things based on trust of devices of the internet of things, when the first number of devices is greater than the threshold number of devices, the step of determining, in each device of the internet of things corresponding to target trust information that is greater than or equal to the threshold trust information, that the device number threshold number of devices of the internet of things is used as the second networking device corresponding to the first device of the internet of things includes:

when the number of the first devices is larger than the device number threshold, sorting the target trust information of each piece of internet-of-things equipment corresponding to the target trust information which is larger than or equal to the trust threshold information based on the size relationship between the target trust information of the internet-of-things equipment to obtain a corresponding first internet-of-things equipment sequence;

and acquiring the Internet of things equipment with the maximum corresponding target trust degree information in the first Internet of things equipment sequence, wherein the number of the equipment with the maximum target trust degree information is the number of the Internet of things equipment, and using the equipment with the number of the equipment with the maximum number as second Internet of things equipment corresponding to the first Internet of things equipment.

In some preferred embodiments, in the method for backing up data of an internet of things based on trust of devices of the internet of things, when the first number of devices is greater than the threshold number of devices, the step of determining, in each device of the internet of things corresponding to target trust information that is greater than or equal to the threshold trust information, that the device number threshold number of devices of the internet of things is used as the second networking device corresponding to the first device of the internet of things includes:

when the number of the first devices is larger than the device number threshold, acquiring the times of the internet of things device serving as a second internet of things device corresponding to other internet of things devices in history aiming at each internet of things device corresponding to the target trust degree information which is larger than or equal to the trust degree threshold information, and acquiring the historical times corresponding to the internet of things device;

sorting the historical times of each piece of Internet of things equipment corresponding to the target credibility information which is greater than or equal to the credibility threshold information to obtain a corresponding second Internet of things equipment sequence;

and acquiring the Internet of things equipment with the minimum corresponding historical times by the equipment quantity threshold value in the second Internet of things equipment sequence, and taking the Internet of things equipment with the minimum equipment quantity threshold value as the second Internet of things equipment corresponding to the first Internet of things equipment.

In some preferred embodiments, in the method for backing up data of an internet of things based on trust of devices of the internet of things, when the first number of devices is greater than the threshold number of devices, the step of determining, in each device of the internet of things corresponding to target trust information that is greater than or equal to the threshold trust information, that the device number threshold number of devices of the internet of things is used as the second networking device corresponding to the first device of the internet of things includes:

when the number of the first devices is larger than the device number threshold, acquiring whether the internet of things device is used as a second internet of things device corresponding to other internet of things devices in a recent historical time period or not for each internet of things device corresponding to target trust degree information which is larger than or equal to the trust degree threshold information, and counting the number of the internet of things devices which are not used as the second internet of things devices corresponding to other internet of things devices in the historical time period to obtain the number of corresponding second devices;

determining a size relationship between the second number of devices and the number of devices threshold;

when the number of the second devices is greater than or equal to the device number threshold, determining that the device number threshold number of the internet of things devices are used as second internet of things devices corresponding to the first internet of things device in the internet of things devices which are not used as second internet of things devices corresponding to other internet of things devices in the historical time period;

when the number of the second devices is smaller than the device number threshold value, the internet of things devices which are not used as second internet of things devices corresponding to other internet of things devices in the historical time period are used as the second internet of things devices corresponding to the first internet of things devices, and a number difference value number of the internet of things devices which are used as the second internet of things devices corresponding to other internet of things devices in the historical time period are selected to be used as the second internet of things devices corresponding to the first internet of things devices.

In some preferred embodiments, in the method for backing up data of an internet of things based on the trust level of the internet of things device, when the number of the second devices is greater than or equal to the device number threshold, in the internet of things devices that are not used as second internet of things devices corresponding to other internet of things devices in the historical time period, determining that the internet of things devices with the device number threshold are used as the second internet of things devices corresponding to the first internet of things device includes:

when the number of the second devices is larger than or equal to the device number threshold value, determining the threshold number of devices which are used as the second networking devices corresponding to other Internet of things devices in history in the Internet of things devices which are not used as the second networking devices corresponding to other Internet of things devices, wherein the frequency of the devices which are used as the second networking devices corresponding to other Internet of things devices is the minimum, and using the threshold number of devices as the second networking devices corresponding to the first Internet of things devices.

In some preferred embodiments, in the method for backing up data of an internet of things based on the trust level of the internet of things device, the step of selecting, as the second internet of things device corresponding to the first internet of things device, an internet of things device having a number difference between the second device number and the device number threshold from the internet of things devices serving as the second internet of things devices corresponding to other internet of things devices in the historical time period includes:

and selecting the quantity difference value Internet of things equipment with the least number of times as the Internet of things equipment of the second Internet of things equipment corresponding to other Internet of things equipment in the historical time period from the Internet of things equipment of the second Internet of things equipment corresponding to other Internet of things equipment in the historical time period, and taking the quantity difference value Internet of things equipment as the second Internet of things equipment corresponding to the first Internet of things equipment.

In some preferred embodiments, in the method for backing up data of an internet of things based on the trust level of the internet of things device, the step of backing up the data of the internet of things based on each second internet of things device includes:

determining at least one data backup device from a plurality of predetermined data backup devices as a target data backup device, and sending the internet of things data to the target data backup device for backup storage;

and acquiring the equipment identity information of the target data backup equipment and the data identification information of the data of the Internet of things, and sending the identity-identifier corresponding relation established based on the equipment identity information and the data identification information to each second networking equipment for storage.

In some preferred embodiments, in the method for backing up data of an internet of things based on the trust level of the internet of things device, the step of backing up the data of the internet of things based on each second internet of things device includes:

in a plurality of predetermined data backup devices, carrying out election based on each second networking device to determine at least one data backup device as a target data backup device;

and sending the data of the Internet of things to the target data backup equipment for backup storage.

According to the method for backing up the data of the Internet of things based on the trust degree of the equipment of the Internet of things, after the data of the Internet of things sent by the equipment of the Internet of things is obtained, the corresponding second networking equipment is determined based on the predetermined target trust degree information between the equipment of the Internet of things, and the data of the Internet of things is backed up.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is an application schematic diagram of an internet of things background server provided by an embodiment of the invention.

Fig. 2 is a schematic diagram of an internet of things data backup method based on the trust level of the internet of things device according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of an internet of things data backup device based on the trust level of the internet of things device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides an internet of things background server. The internet of things background server can comprise a memory and a processor. The memory and the processor are electrically connected directly or indirectly to enable data transfer or interaction. For example, they may be electrically connected to each other via one or more communication buses or signal lines. The memory may store at least one software functional module (e.g., an internet of things data backup device based on the trust level of the internet of things device, which is described later) that may exist in the form of software or firmware (firmware). The processor may be configured to execute the executable computer program stored in the memory, so as to implement an internet of things data backup method based on the internet of things device trust level as described later.

In an alternative example, the Memory may be a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), or the like. The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), a System on Chip (SoC), and the like; the processor may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components.

With reference to fig. 2, an embodiment of the present invention further provides an internet of things data backup method based on the trust level of the internet of things device, which is applicable to the internet of things background server. The method steps defined by the process related to the Internet of things data backup method based on the Internet of things device trust level can be realized by the Internet of things background server. The specific process shown in FIG. 2 will be described in detail below.

Step 100, determining target trust degree information between every two pieces of internet of things equipment in a plurality of pieces of internet of things equipment in communication connection based on the acquired first equipment position information corresponding to each piece of internet of things equipment in communication connection.

In this embodiment of the present invention, the internet of things background server may first perform step 100, that is, determine target trust level information between every two internet of things devices in the plurality of internet of things devices in communication connection based on the obtained first device location information corresponding to each internet of things device in communication connection. The first device position information is used for representing the device position of the corresponding internet of things device, and the target trust degree information is used for representing the trust degree between the two corresponding internet of things devices.

Step 200, judging whether the internet of things data sent by the internet of things equipment is acquired or not, determining the internet of things equipment sending the internet of things data as first internet of things equipment after judging that the internet of things data sent by the internet of things equipment is acquired, and determining each piece of internet of things equipment, of which the target trust degree information between the first internet of things equipment meets the preset trust degree threshold information, as second internet of things equipment corresponding to the first internet of things equipment.

In this embodiment of the present invention, the internet of things background server may execute step 200 after executing step 100, that is, determine whether to acquire the internet of things data sent by the internet of things device, determine the internet of things device sending the internet of things data as a first internet of things device after determining that the internet of things data sent by the internet of things device is acquired, and determine each internet of things device whose target trust level information with the first internet of things device meets the pre-configured trust level threshold information as a second internet of things device corresponding to the first internet of things device. The Internet of things data is acquired based on corresponding Internet of things equipment.

And 300, performing backup processing on the internet of things data on the basis of each second internet of things device.

In the embodiment of the present invention, the internet of things background server may perform step 300 after performing step 200, that is, perform backup processing on the internet of things data based on each second networked device.

Therefore, after the internet of things data sent by the internet of things equipment is obtained, the corresponding second internet of things equipment is determined based on the predetermined target trust degree information between the internet of things equipment, and the internet of things data is backed up.

In an alternative example, step 100 may include step 110, step 130, and step 150 as shown below in an embodiment of the present invention.

Step 110, for each piece of internet of things equipment in communication connection, obtaining an equipment position of the internet of things equipment, and obtaining first equipment position information corresponding to the internet of things equipment.

In this embodiment of the present invention, the internet of things background server may first perform step 110, that is, obtain, for each internet of things device in communication connection, a device location of the internet of things device, and obtain first device location information corresponding to the internet of things device. The Internet of things background server is in communication connection with a plurality of Internet of things devices.

Step 130, for every two pieces of internet of things equipment, determining a correlation between the two pieces of internet of things equipment based on the first equipment position information corresponding to the two pieces of internet of things equipment, and obtaining first correlation information between the two pieces of internet of things equipment.

In this embodiment of the present invention, the background server of the internet of things may execute step 130 after executing step 110, that is, for every two pieces of internet of things equipment, based on the first device location information corresponding to the two pieces of internet of things equipment, determine a correlation between the two pieces of internet of things equipment, and obtain first correlation information between the two pieces of internet of things equipment.

Step 150, for every two pieces of internet of things equipment, determining the trust level between the two pieces of internet of things equipment based on the first correlation information between the two pieces of internet of things equipment, and obtaining target trust level information between the two pieces of internet of things equipment.

In this embodiment of the present invention, the internet of things background server may perform step 150 after performing step 130, that is, for each two pieces of internet of things equipment, based on the first correlation information between the two pieces of internet of things equipment, determining the trust level between the two pieces of internet of things equipment, and obtaining the target trust level information between the two pieces of internet of things equipment.

Therefore, after the first device position information corresponding to the internet of things device is obtained, the correlation between the two internet of things devices can be determined based on the first device position information corresponding to the two internet of things devices, so that the target trust degree information between the two internet of things devices can be obtained based on the correlation between the two internet of things devices, namely the position relationship between the internet of things devices is used as a basis for determining the target trust degree information between the internet of things devices, wherein the trust degree between the internet of things devices can be influenced to a greater extent by the position relationship between the internet of things devices, and therefore, by adopting the scheme provided by the invention, the determined device trust degree can have higher reliability, and the problem that the reliability of the determined device trust degree is difficult to guarantee in the prior art is solved.

In an alternative example, in the embodiment of the present invention, step 110 may include:

the method comprises the steps that firstly, equipment position obtaining request information is generated and sent to each piece of internet of things equipment in communication connection, wherein the internet of things equipment is used for sending first equipment position information used for representing equipment positions to an internet of things background server based on the received equipment position obtaining request information;

and secondly, respectively acquiring the first equipment position information sent by each piece of Internet of things equipment based on the equipment position acquisition request information so as to obtain the first equipment position information corresponding to each piece of Internet of things equipment.

In an alternative example, in the embodiment of the present invention, the step of generating device location obtaining request information and sending the device location obtaining request information to each internet of things device in communication connection may include:

the method comprises the steps of firstly, judging whether equipment trust degree determination request information is received or not;

secondly, if the equipment trust level determination request information is received, analyzing the equipment trust level determination request information to obtain the network address information of each internet of things equipment requested to be determined, or obtaining the network address information of each internet of things equipment based on the equipment identity information of each internet of things equipment obtained through analysis (for example, a corresponding relation between the equipment identity information and the network address information is established in advance);

and thirdly, generating equipment position acquisition request information, and respectively sending the equipment position acquisition request information to the Internet of things equipment based on the network address information of the Internet of things equipment.

In an alternative example, in the embodiment of the present invention, step 130 may include:

step one, for every two pieces of internet-of-things equipment, calculating the distance between the two pieces of internet-of-things equipment based on the first equipment position information corresponding to the two pieces of internet-of-things equipment to obtain first distance information between the two pieces of internet-of-things equipment;

and secondly, determining the correlation between the two pieces of Internet of things equipment based on the first distance information between the two pieces of Internet of things equipment aiming at every two pieces of Internet of things equipment to obtain the first correlation information between the two pieces of Internet of things equipment.

In an embodiment of the present invention, in an alternative example, the step of determining, for each two pieces of internet-of-things equipment, a correlation between the two pieces of internet-of-things equipment based on first distance information between the two pieces of internet-of-things equipment to obtain first correlation information between the two pieces of internet-of-things equipment may include:

firstly, for every two pieces of internet-of-things equipment, determining whether the positions corresponding to the two pieces of internet-of-things equipment belong to the same target planning region (as if the positions corresponding to the two pieces of internet-of-things equipment are determined according to configuration by a building and the like) based on the first equipment position information corresponding to the two pieces of internet-of-things equipment, and obtaining region characterization coefficients corresponding to the two pieces of internet-of-things equipment, wherein the region characterization coefficients corresponding to the two pieces of internet-of-things equipment belonging to the same target planning region are smaller than the region characterization coefficients corresponding to the two pieces of internet-of-things equipment belonging to different target planning regions;

and secondly, for every two pieces of Internet of things equipment, determining the correlation between the two pieces of Internet of things equipment based on the area characterization coefficients corresponding to the two pieces of Internet of things equipment and the first distance information between the two pieces of Internet of things equipment, and obtaining the first correlation information between the two pieces of Internet of things equipment.

In an embodiment of the present invention, in an alternative example, the determining, for every two pieces of internet of things devices, a correlation between the two pieces of internet of things devices based on area characterizing coefficients corresponding to the two pieces of internet of things devices and first distance information between the two pieces of internet of things devices to obtain the first correlation information between the two pieces of internet of things devices may include:

step one, for every two pieces of internet of things equipment, calculating a product between area characterization coefficients corresponding to the two pieces of internet of things equipment and first distance information between the two pieces of internet of things equipment to obtain a position correlation relationship characterization value corresponding to the two pieces of internet of things equipment, namely taking the calculated product as the position correlation relationship characterization value;

and secondly, for every two pieces of Internet of things equipment, obtaining first correlation relation information with a negative correlation relation between the two pieces of Internet of things equipment and the position correlation relation characterization values based on the position correlation relation characterization values corresponding to the two pieces of Internet of things equipment, namely, the position correlation relation characterization values and the first correlation relation information have a negative correlation relation, the larger the former is, the smaller the corresponding latter is, the smaller the former is, and the larger the corresponding latter is.

In an alternative example, in the embodiment of the present invention, step 150 may include:

firstly, for every two pieces of internet-of-things equipment, determining a correlation representation value having a negative correlation with the first correlation information based on the first correlation information between the two pieces of internet-of-things equipment, as a first correlation representation value between the two pieces of internet-of-things equipment, that is, the first correlation information and the correlation representation value have a negative correlation, the larger the former is, the smaller the corresponding latter is, the smaller the former is, and the larger the corresponding latter is;

and secondly, for every two pieces of Internet of things equipment, obtaining target trust information between the two pieces of Internet of things equipment based on a first correlation representation value between the two pieces of Internet of things equipment, wherein the first correlation representation value and the target trust information have positive correlation, namely the larger the former is, the larger the corresponding later is, the smaller the former is, and the smaller the corresponding later is.

In an embodiment of the present invention, in an alternative example, the step of obtaining, for each two pieces of internet-of-things equipment, target trust level information between the two pieces of internet-of-things equipment based on a first correlation characterization value between the two pieces of internet-of-things equipment may include:

step one, for every two pieces of internet-of-things equipment, obtaining a second correlation relationship representation value between the two pieces of internet-of-things equipment based on equipment type information between the two pieces of internet-of-things equipment, namely, on the basis of representing the equipment relationship through the position relationship, further representing the equipment relationship through the equipment type relationship;

and secondly, for every two pieces of Internet of things equipment, obtaining target trust degree information between the two pieces of Internet of things equipment based on a first correlation relation characteristic value and a second correlation relation characteristic value between the two pieces of Internet of things equipment.

In an embodiment of the present invention, in an alternative example, the step of obtaining, for each two pieces of internet-of-things devices, a second correlation characterization value between the two pieces of internet-of-things devices based on device type information between the two pieces of internet-of-things devices may include:

first, for every two pieces of internet-of-things equipment, determining first equipment type relation information between the two pieces of internet-of-things equipment based on equipment type information between the two pieces of internet-of-things equipment, for example, information similarity calculation can be performed on the equipment type information to obtain corresponding similarity information, and the similarity information is used as the corresponding first equipment type relation information;

secondly, for each piece of Internet of things equipment, determining first equipment type relation representative information corresponding to the piece of Internet of things equipment based on first equipment type relation information between the piece of Internet of things equipment and each piece of other piece of Internet of things equipment;

third, for every two pieces of internet-of-things equipment, determining second equipment type relation information between the two pieces of internet-of-things equipment (for example, the obtained information similarity is used as the second equipment type relation information) based on information similarity between first equipment type relation representative information corresponding to the two pieces of internet-of-things equipment (for example, a difference between the first equipment type relation representative information can be calculated, wherein the larger the difference is, the larger the information similarity can be obtained);

and fourthly, for every two pieces of equipment of the Internet of things, obtaining a second correlation representation value between the two pieces of equipment of the Internet of things based on the first equipment type relation information and the second equipment type relation information (such as a calculation product) between the two pieces of equipment of the Internet of things.

In an embodiment of the present invention, in an alternative example, the step of determining, for each piece of internet-of-things equipment, first equipment type relationship representing information corresponding to the piece of internet-of-things equipment based on the first equipment type relationship information between the piece of internet-of-things equipment and each other piece of internet-of-things equipment may include:

and for each piece of Internet of things equipment, the piece of Internet of things equipment is used as target Internet of things equipment, target information determination operation is executed based on first equipment type relation information between the target Internet of things equipment and each piece of other Internet of things equipment, and first equipment type relation representative information corresponding to the target Internet of things equipment is obtained.

Wherein the target information determination operation comprises:

the method comprises the steps that firstly, for each other internet of things device except the target internet of things device, the other internet of things device is used as a first other internet of things device or a second other internet of things device of the target internet of things device based on the size relationship between first device type relationship information and pre-configured device type relationship threshold information between the other internet of things device and the target internet of things device, wherein the first device type relationship information between each first other internet of things device and the target internet of things device is larger than or equal to the device type relationship threshold information, and the first device type relationship information between each second other internet of things device and the target internet of things device is smaller than the device type threshold information;

secondly, determining first candidate other internet of things equipment in the first other internet of things equipment based on the magnitude relation of first distance information between the first candidate other internet of things equipment and the target internet of things equipment, wherein the first distance information between the first candidate other internet of things equipment and the target internet of things equipment has the minimum value in the first distance information between the first candidate other internet of things equipment and the target internet of things equipment;

thirdly, in the second other internet of things devices, determining second candidate other internet of things devices based on the magnitude relation of the first distance information between the second candidate other internet of things devices and the target internet of things devices, wherein the first distance information between the second candidate other internet of things devices and the target internet of things devices has the minimum value in the first distance information between the second other internet of things devices and the target internet of things devices;

fourthly, based on the first device type relationship information between the first candidate other internet-of-things device and the target internet-of-things device and the first device type relationship information between the second candidate other internet-of-things device and the target internet-of-things device, device type relationship range information is constructed (namely, the larger value of the two obtained first device type relationship information is used as the upper limit value of the device type relationship range information, and the smaller value of the two obtained first device type relationship information is used as the lower limit value of the device type relationship range information), and the relationship between the device type range information and pre-configured device type range reference information is determined;

fifthly, if the width of the intersection range between the equipment type range information and the equipment type range reference information is larger than or equal to a preset width threshold, taking the equipment type range information as target equipment type range information;

sixthly, if the width of the intersection range between the device type range information and the device type range reference information is smaller than the width threshold, re-determining the first candidate other internet of things device and/or the second candidate other internet of things device (such as the minimum value of the first distance information corresponding to the other first other internet of things device and the minimum value of the first distance information corresponding to the other second other internet of things device) until the width of the intersection range between the obtained new device type range information and the device type range reference information is larger than or equal to the width threshold, and taking the new device type range information as target device type range information;

seventhly, in the plurality of first other internet of things devices, using each first other internet of things device of which the corresponding first device type relation information belongs to the target device type range information as a first representative internet of things device, and using each second other internet of things device of which the corresponding first device type relation information belongs to the target device type range information in the plurality of second other internet of things devices as a second representative internet of things device;

and eighthly, calculating a weighted value of the first device type relation information corresponding to each first representative Internet of things device and each second representative Internet of things device, wherein the weighted value is the same as the weighted value corresponding to each first representative Internet of things device, the weighted value corresponding to each second representative Internet of things device is the same as the weighted value corresponding to each second representative Internet of things device, and the weighted value corresponding to the first representative Internet of things device is larger than the weighted value corresponding to the second representative Internet of things device.

In an embodiment of the present invention, in an alternative example, the step of obtaining, for each two pieces of internet-of-things equipment, target trust level information between the two pieces of internet-of-things equipment based on a first correlation characteristic value and a second correlation characteristic value between the two pieces of internet-of-things equipment may include:

and calculating the product of the first correlation characteristic value and the second correlation characteristic value between every two pieces of the internet of things equipment to obtain a characterization fusion value between the two pieces of the internet of things equipment (namely, the calculated product is used as the characterization fusion value), and using the characterization fusion value as target trust information between the two pieces of the internet of things equipment.

In an alternative example, in the embodiment of the present invention, step 200 may include:

step one, judging whether to acquire the Internet of things data sent by any one piece of Internet of things equipment;

secondly, after the fact that the internet of things data sent by one piece of internet of things equipment is obtained is judged, the internet of things equipment sending the internet of things data is determined to be first internet of things equipment;

thirdly, determining whether target trust degree information between the internet of things equipment and the first internet of things equipment is larger than or equal to pre-configured trust degree threshold information or not for each internet of things equipment except the first internet of things equipment;

fourthly, counting the number of the Internet of things devices corresponding to the target trust degree information which is greater than or equal to the trust degree threshold value information to obtain a corresponding first device number, and determining the size relation between the first device number and a pre-configured device number threshold value;

and fifthly, when the number of the first devices is smaller than or equal to the device number threshold, determining each piece of internet-of-things device corresponding to the target trust degree information which is larger than or equal to the trust degree threshold information as a second internet-of-things device corresponding to the first internet-of-things device.

In the embodiment of the present invention, in an alternative example, step 200 may further include:

when the number of the first devices is larger than the device number threshold value, determining that the device number threshold value number of the internet of things devices are used as second internet of things devices corresponding to the first internet of things devices in each internet of things device corresponding to target trust degree information larger than or equal to the trust degree threshold value information.

In this embodiment of the present invention, in an alternative example, when the first number of devices is greater than the device number threshold, the step of determining, in each piece of internet of things device corresponding to target trust level information that is greater than or equal to the trust level threshold information, that the device number threshold number of pieces of internet of things device is used as a second piece of internet of things device corresponding to the first piece of internet of things device may include:

firstly, when the number of the first devices is larger than the device number threshold, sorting the first devices based on the size relationship between the target trust degrees of the internet of things devices corresponding to the target trust degree information larger than or equal to the trust degree threshold information to obtain a corresponding first internet of things device sequence, such as first-size-first-then-small or first-size-second-size;

and secondly, acquiring the Internet of things equipment with the maximum corresponding target trust degree information in the first Internet of things equipment sequence, wherein the number of the equipment with the maximum target trust degree information is the number of the Internet of things equipment, and using the equipment with the number of the equipment with the maximum target trust degree information as second Internet of things equipment corresponding to the first Internet of things equipment.

In this embodiment of the present invention, in another alternative example, when the first number of devices is greater than the device number threshold, the step of determining, in each piece of internet of things devices corresponding to target trust level information that is greater than or equal to the trust level threshold information, that the device number threshold number of pieces of internet of things devices is used as a second piece of networking equipment corresponding to the first piece of internet of things devices may include:

the method comprises the steps that firstly, when the number of first equipment is larger than an equipment number threshold value, for each piece of internet of things equipment corresponding to target credibility information which is larger than or equal to the credibility threshold value information, the times of the internet of things equipment serving as second internet of things equipment corresponding to other internet of things equipment in history are obtained, and the historical times corresponding to the internet of things equipment are obtained;

secondly, sorting the historical times of each piece of Internet of things equipment corresponding to the target credibility information which is greater than or equal to the credibility threshold information based on the size relationship to obtain a corresponding second Internet of things equipment sequence;

and thirdly, acquiring the Internet of things equipment with the minimum corresponding historical times in the second Internet of things equipment sequence, and taking the Internet of things equipment with the minimum historical times as the second Internet of things equipment corresponding to the first Internet of things equipment.

In this embodiment of the present invention, in another alternative example, when the first number of devices is greater than the device number threshold, the step of determining, in each piece of internet of things devices corresponding to target trust level information that is greater than or equal to the trust level threshold information, that the device number threshold number of pieces of internet of things devices is used as a second piece of networking equipment corresponding to the first piece of internet of things devices may include:

the method comprises the steps that firstly, when the number of first devices is larger than a device number threshold value, whether the internet of things device is used as a second internet of things device corresponding to other internet of things devices in a latest historical time period (specific duration can be generated according to pre-performed configuration operation) or not is obtained for each internet of things device corresponding to target trust degree information which is larger than or equal to the trust degree threshold value information, the number of the internet of things devices which are not used as the second internet of things devices corresponding to other internet of things devices in the historical time period is counted, and the corresponding number of the second devices is obtained;

secondly, determining the size relation between the second equipment quantity and the equipment quantity threshold value;

thirdly, when the number of the second devices is larger than or equal to the device number threshold, determining that the internet of things devices with the device number threshold are used as second internet of things devices corresponding to the first internet of things devices in the internet of things devices which are not used as second internet of things devices corresponding to other internet of things devices in the historical time period;

and fourthly, when the number of the second devices is smaller than the device number threshold value, the internet of things devices which are not used as second internet of things devices corresponding to other internet of things devices in the historical time period are used as the second internet of things devices corresponding to the first internet of things devices, and a number difference value number of the internet of things devices between the number of the second devices and the device number threshold value is selected from the internet of things devices which are used as the second internet of things devices corresponding to other internet of things devices in the historical time period to be used as the second internet of things devices corresponding to the first internet of things devices.

In an embodiment of the present invention, in an alternative example, when the second device number is greater than or equal to the device number threshold, the step of determining, as the second internet-of-things device corresponding to the first internet-of-things device, the internet-of-things device with the device number threshold from among the internet-of-things devices that have not been used as the second internet-of-things devices corresponding to other internet-of-things devices in the historical time period may include:

when the number of the second devices is larger than or equal to the device number threshold value, determining the threshold number of devices which are used as the second networking devices corresponding to other Internet of things devices in history in the Internet of things devices which are not used as the second networking devices corresponding to other Internet of things devices, wherein the frequency of the devices which are used as the second networking devices corresponding to other Internet of things devices is the minimum, and using the threshold number of devices as the second networking devices corresponding to the first Internet of things devices.

In an alternative example, in the embodiment of the present invention, the step of selecting, as the second internet-of-things device corresponding to the first internet-of-things device, an internet-of-things device with a number difference between the second device number and the device number threshold from the internet-of-things devices serving as the second internet-of-things devices corresponding to other internet-of-things devices in the historical time period may include:

and selecting the quantity difference value Internet of things equipment with the least number of times as the Internet of things equipment of the second Internet of things equipment corresponding to other Internet of things equipment in the historical time period from the Internet of things equipment of the second Internet of things equipment corresponding to other Internet of things equipment in the historical time period, and taking the quantity difference value Internet of things equipment as the second Internet of things equipment corresponding to the first Internet of things equipment.

In an alternative example, in the embodiment of the present invention, step 300 may include:

firstly, determining at least one data backup device (such as any one or the least backup device) from a plurality of predetermined data backup devices as a target data backup device, and sending the internet of things data to the target data backup device for backup storage;

and secondly, acquiring the equipment identity information of the target data backup equipment and the data identification information of the data of the Internet of things, and sending the identity-identification corresponding relation established based on the equipment identity information and the data identification information to each piece of second networking equipment for storage.

In an embodiment of the present invention, in another alternative example, step 300 may include:

the method comprises the steps that firstly, in a plurality of predetermined data backup devices, election is carried out on the basis of each second networking device to determine at least one data backup device, and the at least one data backup device is used as a target data backup device;

and secondly, sending the data of the internet of things to the target data backup device for backup storage (respectively carrying out backup storage).

With reference to fig. 3, an embodiment of the present invention further provides an internet of things data backup device based on the trust level of the internet of things device, which is applicable to the internet of things background server. The internet of things data backup device based on the internet of things device trust level may include the following software function modules (stored in the memory of the internet of things background server):

the trust degree information determining module is used for determining target trust degree information between every two pieces of internet of things equipment in a plurality of pieces of internet of things equipment in communication connection based on the acquired first equipment position information corresponding to each piece of internet of things equipment in communication connection, wherein the first equipment position information is used for representing the equipment position of the corresponding internet of things equipment, and the target trust degree information is used for representing the trust degree between the two pieces of internet of things equipment;

the internet of things equipment determining module is used for judging whether internet of things data sent by the internet of things equipment is obtained or not, determining the internet of things equipment sending the internet of things data as first internet of things equipment after the internet of things data sent by the internet of things equipment is obtained, and determining each internet of things equipment of which target trust degree information between the first internet of things equipment and the first internet of things equipment meets pre-configured trust degree threshold information as second internet of things equipment corresponding to the first internet of things equipment, wherein the internet of things data is acquired based on the corresponding internet of things equipment;

and the Internet of things data backup module is used for performing backup processing on the Internet of things data based on each second Internet of things device.

As described above, the processor of the internet of things background server may execute the software function module included in the networking data backup device to implement the networking data backup method, and thus, the specific functions of the trust level information determining module, the internet of things equipment determining module, and the internet of things data backup module may refer to the foregoing step 100, step 200, and step 300.

In summary, according to the internet of things data backup method based on the internet of things device trust level provided by the invention, after the internet of things data sent by the internet of things device is obtained, the corresponding second internet of things device is determined based on the predetermined target trust level information between the internet of things devices, and the internet of things data is backed up.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An Internet of things data backup method based on the trust degree of Internet of things equipment is characterized by being applied to an Internet of things background server and comprising the following steps:

determining target trust degree information between every two pieces of internet-of-things equipment in a plurality of pieces of internet-of-things equipment in communication connection based on acquired first equipment position information corresponding to each piece of internet-of-things equipment in communication connection, wherein the first equipment position information is used for representing the equipment position of the corresponding internet-of-things equipment, and the target trust degree information is used for representing the trust degree between the two corresponding internet-of-things equipment;

judging whether the internet of things data sent by the internet of things equipment is acquired or not, determining the internet of things equipment sending the internet of things data as first internet of things equipment after judging that the internet of things data sent by the internet of things equipment is acquired, and determining each piece of internet of things equipment of which target trust degree information between the first internet of things equipment and the first internet of things equipment meets pre-configured trust degree threshold information as second internet of things equipment corresponding to the first internet of things equipment, wherein the internet of things data is acquired based on the corresponding internet of things equipment;

and performing backup processing on the data of the Internet of things based on each second networking device.

2. The method for backing up the data of the internet of things based on the trust degree of the device of the internet of things according to claim 1, wherein the step of judging whether the data of the internet of things sent by the device of the internet of things is obtained or not, determining the device of the internet of things sending the data of the internet of things as a first device of the internet of things after judging that the data of the internet of things sent by the device of the internet of things is obtained, and determining each device of the internet of things, of which the target trust degree information with the first device of the internet of things meets the preset trust degree threshold information, as a second device of the internet of things corresponding to the first device of the internet of things, comprises the steps of:

judging whether the Internet of things data sent by any one piece of Internet of things equipment is acquired or not;

after the fact that the internet of things data sent by one piece of internet of things equipment is obtained is judged, the internet of things equipment sending the internet of things data is determined to be first internet of things equipment;

for each piece of internet-of-things equipment except the first internet-of-things equipment, determining whether target trust degree information between the piece of internet-of-things equipment and the first internet-of-things equipment is larger than or equal to pre-configured trust degree threshold information;

counting the number of the internet of things devices corresponding to the target trust degree information which is greater than or equal to the trust degree threshold information to obtain a corresponding first device number, and determining the size relation between the first device number and a pre-configured device number threshold;

when the number of the first devices is smaller than or equal to the device number threshold, each piece of internet-of-things device corresponding to the target trust degree information which is larger than or equal to the trust degree threshold information is determined as a second internet-of-things device corresponding to the first internet-of-things device.

3. The method for backing up data of the internet of things based on the trust level of the internet of things device according to claim 2, wherein the step of determining whether to acquire the data of the internet of things sent by the internet of things device, determining the internet of things device sending the data of the internet of things as a first internet of things device after determining that the data of the internet of things sent by the internet of things device is acquired, and determining each internet of things device, of which target trust level information with the first internet of things device meets pre-configured trust level threshold information, as a second internet of things device corresponding to the first internet of things device further comprises:

when the number of the first devices is larger than the device number threshold value, determining that the device number threshold value number of the internet of things devices are used as second internet of things devices corresponding to the first internet of things devices in each internet of things device corresponding to target trust degree information larger than or equal to the trust degree threshold value information.

4. The method for backing up data of the internet of things based on the trust level of the internet of things devices according to claim 3, wherein when the first number of devices is greater than the threshold number of devices, the step of determining the threshold number of devices of the internet of things as the second internet of things device corresponding to the first internet of things device in each internet of things device corresponding to the target trust level information which is greater than or equal to the threshold trust level information comprises:

when the number of the first devices is larger than the device number threshold, sorting the target trust information of each piece of internet-of-things equipment corresponding to the target trust information which is larger than or equal to the trust threshold information based on the size relationship between the target trust information of the internet-of-things equipment to obtain a corresponding first internet-of-things equipment sequence;

and acquiring the Internet of things equipment with the maximum corresponding target trust degree information in the first Internet of things equipment sequence, wherein the number of the equipment with the maximum target trust degree information is the number of the Internet of things equipment, and using the equipment with the number of the equipment with the maximum number as second Internet of things equipment corresponding to the first Internet of things equipment.

5. The method for backing up data of the internet of things based on the trust level of the internet of things devices according to claim 3, wherein when the first number of devices is greater than the threshold number of devices, the step of determining the threshold number of devices of the internet of things as the second internet of things device corresponding to the first internet of things device in each internet of things device corresponding to the target trust level information which is greater than or equal to the threshold trust level information comprises:

when the number of the first devices is larger than the device number threshold, acquiring the times of the internet of things device serving as a second internet of things device corresponding to other internet of things devices in history aiming at each internet of things device corresponding to the target trust degree information which is larger than or equal to the trust degree threshold information, and acquiring the historical times corresponding to the internet of things device;

sorting the historical times of each piece of Internet of things equipment corresponding to the target credibility information which is greater than or equal to the credibility threshold information to obtain a corresponding second Internet of things equipment sequence;

and acquiring the Internet of things equipment with the minimum corresponding historical times by the equipment quantity threshold value in the second Internet of things equipment sequence, and taking the Internet of things equipment with the minimum equipment quantity threshold value as the second Internet of things equipment corresponding to the first Internet of things equipment.

6. The method for backing up data of the internet of things based on the trust level of the internet of things devices according to claim 3, wherein when the first number of devices is greater than the threshold number of devices, the step of determining the threshold number of devices of the internet of things as the second internet of things device corresponding to the first internet of things device in each internet of things device corresponding to the target trust level information which is greater than or equal to the threshold trust level information comprises:

when the number of the first devices is larger than the device number threshold, acquiring whether the internet of things device is used as a second internet of things device corresponding to other internet of things devices in a recent historical time period or not for each internet of things device corresponding to target trust degree information which is larger than or equal to the trust degree threshold information, and counting the number of the internet of things devices which are not used as the second internet of things devices corresponding to other internet of things devices in the historical time period to obtain the number of corresponding second devices;

determining a size relationship between the second number of devices and the number of devices threshold;

when the number of the second devices is greater than or equal to the device number threshold, determining that the device number threshold number of the internet of things devices are used as second internet of things devices corresponding to the first internet of things device in the internet of things devices which are not used as second internet of things devices corresponding to other internet of things devices in the historical time period;

when the number of the second devices is smaller than the device number threshold value, the internet of things devices which are not used as second internet of things devices corresponding to other internet of things devices in the historical time period are used as the second internet of things devices corresponding to the first internet of things devices, and a number difference value number of the internet of things devices which are used as the second internet of things devices corresponding to other internet of things devices in the historical time period are selected to be used as the second internet of things devices corresponding to the first internet of things devices.

7. The method for backing up data of the internet of things based on the trust degree of the device of the internet of things according to claim 6, wherein when the number of the second devices is greater than or equal to the threshold number of the devices, the step of determining the threshold number of the devices of the internet of things as the second networking device corresponding to the first internet of things device in the internet of things devices which are not used as the second networking devices corresponding to other internet of things devices in the historical time period comprises:

when the number of the second devices is larger than or equal to the device number threshold value, determining the threshold number of devices which are used as the second networking devices corresponding to other Internet of things devices in history in the Internet of things devices which are not used as the second networking devices corresponding to other Internet of things devices, wherein the frequency of the devices which are used as the second networking devices corresponding to other Internet of things devices is the minimum, and using the threshold number of devices as the second networking devices corresponding to the first Internet of things devices.

8. The method for backing up data of the internet of things based on the trust degree of the device of the internet of things as claimed in claim 6, wherein the step of selecting the internet of things device with the quantity difference between the second device quantity and the device quantity threshold value from the internet of things devices serving as the second internet of things devices corresponding to the other internet of things devices in the historical time period as the second internet of things device corresponding to the first internet of things device comprises the steps of:

and selecting the quantity difference value Internet of things equipment with the least number of times as the Internet of things equipment of the second Internet of things equipment corresponding to other Internet of things equipment in the historical time period from the Internet of things equipment of the second Internet of things equipment corresponding to other Internet of things equipment in the historical time period, and taking the quantity difference value Internet of things equipment as the second Internet of things equipment corresponding to the first Internet of things equipment.

9. The internet of things data backup method based on the internet of things device trust degree as claimed in any one of claims 1 to 8, wherein the step of performing backup processing on the internet of things data based on each second internet of things device comprises:

determining at least one data backup device from a plurality of predetermined data backup devices as a target data backup device, and sending the internet of things data to the target data backup device for backup storage;

and acquiring the equipment identity information of the target data backup equipment and the data identification information of the data of the Internet of things, and sending the identity-identifier corresponding relation established based on the equipment identity information and the data identification information to each second networking equipment for storage.

10. The internet of things data backup method based on the internet of things device trust degree as claimed in any one of claims 1 to 8, wherein the step of performing backup processing on the internet of things data based on each second internet of things device comprises:

in a plurality of predetermined data backup devices, carrying out election based on each second networking device to determine at least one data backup device as a target data backup device;

and sending the data of the Internet of things to the target data backup equipment for backup storage.

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