CN114338833A - Cross-heterogeneous protocol cooperative transmission method, system, terminal equipment and storage medium - Google Patents
Cross-heterogeneous protocol cooperative transmission method, system, terminal equipment and storage medium Download PDFInfo
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- CN114338833A CN114338833A CN202111628373.XA CN202111628373A CN114338833A CN 114338833 A CN114338833 A CN 114338833A CN 202111628373 A CN202111628373 A CN 202111628373A CN 114338833 A CN114338833 A CN 114338833A
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Abstract
The application discloses a cross-heterogeneous protocol cooperative transmission method, which comprises the following steps: receiving unidentifiable information sent by source gateway equipment, wherein the unidentifiable information comprises receiving time information, equipment ID information and identification content information; the identification content information is a network identification address or a protocol type data packet; extracting the reception time information and the device ID information; carrying out cross encryption on the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information; combining the encrypted reception time information and the encrypted device ID information with the identification content information to obtain encrypted unidentifiable information; extracting a conversion strategy corresponding to the identification content information from a conversion knowledge base; decrypting the encrypted receiving time information and the encrypted device ID information to obtain receiving time information and device ID information; and sending the conversion strategy and the receiving time information to the source gateway equipment corresponding to the equipment ID information.
Description
Technical Field
The present disclosure relates generally to the field of heterogeneous network technologies, and in particular, to a method, a system, a terminal device, and a storage medium for cross-heterogeneous protocol cooperative transmission.
Background
With the advent of the internet of things and the cloud computing era, networks are deeply fused, networking and application of various heterogeneous protocols are increasingly widespread, and therefore a method capable of converting the protocols into the protocols readable by the gateways is needed.
Different heterogeneous protocols comprise different consensus mechanisms and state storage modes, and how to transmit state information generated by a source gateway in the middle, the received converted information is not tampered, so that the safety of the information cannot be ignored.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies in the prior art, it is desirable to provide a method, system, terminal device and storage medium for cooperative transmission across heterogeneous protocols.
In a first aspect, the present application provides a cross-heterogeneous protocol cooperative transmission method, including the following steps:
receiving unidentifiable information sent by a universal gateway device, wherein the unidentifiable information comprises receiving time information, device ID information and identification content information; the identification content information is a network identification address or a protocol type data packet;
extracting the reception time information and the device ID information;
carrying out cross encryption on the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information;
combining the encrypted reception time information and the encrypted device ID information with the identification content information to obtain encrypted unidentifiable information;
extracting a conversion strategy corresponding to the identification content information from a conversion knowledge base;
decrypting the encrypted receiving time information and the encrypted device ID information to obtain receiving time information and device ID information;
and sending the conversion strategy and the receiving time information to the universal gateway equipment corresponding to the equipment ID information.
According to the technical scheme provided by the embodiment of the application, the receiving time information and the equipment ID information are subjected to cross encryption to obtain encrypted receiving time information and encrypted equipment ID information, and the method specifically comprises the following steps:
determining the time interval sequence number to which the receiving time information belongs;
determining the serial number of the equipment to which the equipment ID information belongs;
adding the time period serial number and the equipment serial number to obtain an encryption equipment serial number as an encryption equipment ID;
multiplying the equipment serial number by the set time period duration to obtain a progressive duration;
and adding the adding time length and the receiving time information to obtain the encrypted receiving time.
According to the technical scheme provided by the embodiment of the application, the encryption receiving time information, the encryption equipment ID information and the identification content information are combined to obtain encryption unidentifiable information, and the encryption unidentifiable information comprises the following specific steps:
and combining the time period serial number, the encryption receiving time, the equipment serial number and the encryption equipment ID information to obtain the encryption unidentifiable information.
According to the technical scheme provided by the embodiment of the application, the step of decrypting the encrypted receiving time information and the encrypted device ID information to obtain the receiving time information and the device ID information specifically comprises the following steps:
the serial number of the encrypted equipment ID information in the descending time period is obtained to obtain equipment ID information;
multiplying the equipment serial number by the set time period duration to obtain a decreasing duration;
and subtracting the degressive duration from the encrypted receiving time to obtain receiving time information.
In a second aspect, the present application provides a cross-heterogeneous protocol cooperative transmission system, including:
the system comprises a plurality of universal receiving gateways, a plurality of receiving gateways and a plurality of processing units, wherein the universal receiving gateways are used for sending unidentifiable information, and the unidentifiable information comprises receiving time information, equipment ID information and identification content information; the identification content information is a network identification address or a protocol type data packet;
wisdom control platform has:
the receiving module is used for receiving the unidentifiable information;
an encryption module to:
extracting the reception time information and the device ID information;
carrying out cross encryption on the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information;
combining the encrypted reception time information and the encrypted device ID information with the identification content information to obtain encrypted unidentifiable information;
the calculation module is used for extracting a conversion strategy corresponding to the identification content information from a conversion knowledge base;
the decryption module is used for decrypting the encrypted receiving time information and the encrypted equipment ID information to obtain receiving time information and equipment ID information;
and the sending module is used for sending the conversion strategy and the receiving time information to the universal gateway equipment corresponding to the equipment ID information.
According to the technical scheme provided by the embodiment of the application, the encryption module is specifically configured to:
determining the time interval sequence number to which the receiving time information belongs;
determining the serial number of the equipment to which the equipment ID information belongs;
adding the serial number to the equipment serial number in the time period to obtain an encryption equipment serial number as an encryption equipment ID;
multiplying the equipment serial number by the set time period duration to obtain a progressive duration;
and adding the adding time length and the receiving time information to obtain the encrypted receiving time.
According to the technical scheme provided by the embodiment of the application, the encryption module specifically combines the encrypted reception time information and the encrypted device ID information with the identification content information by the following method to obtain encrypted unidentifiable information:
and combining the time period serial number, the encryption receiving time, the equipment serial number and the encryption equipment ID information to obtain the encryption unidentifiable information.
According to the technical scheme provided by the embodiment of the application, the decryption module is specifically configured to:
the serial number of the encrypted equipment ID information in the descending time period is obtained to obtain equipment ID information;
multiplying the equipment serial number by the set time period duration to obtain a decreasing duration;
and subtracting the degressive duration from the encrypted receiving time to obtain receiving time information.
In a third aspect, the present application provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the above steps of the cooperative transmission method across heterogeneous protocols when executing the computer program.
In a fourth aspect, the present application proposes a computer readable storage medium, having a computer program embodied thereon, which, when being executed by a processor, realizes the steps of the cooperative transmission method across heterogeneous protocols as described above.
In summary, the application provides a cross-heterogeneous protocol cooperative transmission method, which extracts receiving time information and device ID information from information that cannot be identified by a gateway, and cross-encrypts the receiving time information and the device ID information; extracting a conversion strategy corresponding to the content information which cannot be identified from a conversion knowledge base; and decrypting the encrypted receiving time information and the encrypted equipment ID information to obtain a source gateway, sending a conversion strategy to the source gateway, converting the source gateway into a network protocol which can be received by the source gateway through the conversion strategy, and reading content information which cannot be identified before. The receiving time information and the equipment ID information are encrypted and then decrypted in the conversion process, so that the source of the content information cannot be identified when the corresponding conversion strategy is extracted, and the information safety is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a flowchart of a cross-heterogeneous protocol cooperative transmission method according to an embodiment of the present application;
fig. 2 is a flowchart of an encryption method provided in an embodiment of the present application;
fig. 3 is a flowchart of a decryption method provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a cross-heterogeneous-protocol cooperative transmission system according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a computer system according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
As mentioned in the background, the present application provides a method for cooperative transmission across heterogeneous protocols, as shown in fig. 1, for solving the problems in the prior art, the method includes the following steps:
s10, receiving unidentifiable information sent by source gateway equipment, wherein the unidentifiable information comprises receiving time information, equipment ID information and identification content information; the identification content information is a network identification address or a protocol type data packet;
s20 extracting the reception time information and the device ID information;
s30, cross-encrypting the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information;
s40 combining the encrypted reception time information and encrypted device ID information with the identification content information to obtain encrypted unidentifiable information;
s50 extracting a conversion policy corresponding to the identification content information from a conversion knowledge base;
s60, decrypting the encrypted receiving time information and the encrypted device ID information to obtain receiving time information and device ID information;
s70, the conversion strategy and the receiving time information are sent to the source gateway equipment corresponding to the equipment ID information.
In summary, the receiving time information and the device ID information are extracted from the unidentifiable information sent by the source gateway device, and the two are cross-encrypted; extracting a conversion strategy corresponding to the identification content in the information which cannot be identified from the conversion knowledge base; and decrypting the encrypted receiving time information and the encrypted equipment ID information to obtain source gateway equipment, sending the conversion strategy to the source gateway equipment, converting the source gateway equipment into a network protocol which can be received by the source gateway equipment through the conversion strategy, and further reading content information which cannot be identified before. The receiving time information and the equipment ID information are encrypted and then decrypted in the conversion process, so that the source of the content information cannot be identified when the corresponding conversion strategy is extracted, and the information safety is improved.
Further, cross-encrypting the receiving time information and the device ID information to obtain encrypted receiving time information and encrypted device ID information specifically includes the following steps, as shown in fig. 2:
s31 determining a time period number to which the reception time information belongs;
s32 determining the device serial number to which the device ID information belongs;
s33 adding the time interval serial number and the equipment serial number to obtain an encryption equipment serial number as an encryption equipment ID;
s34, multiplying the equipment serial number by the set time interval duration to obtain a progressive duration;
and S35, adding the adding time length and the receiving time information to obtain the encrypted receiving time.
Optionally, in this embodiment, a correspondence between time and a time period sequence number is shown in table 1, and a correspondence between device ID information and a device sequence number is shown in table 2;
TABLE 1 correspondence of time periods to time period numbers
| Time period | Time period sequence number |
| 0:00-4:00 | 1 |
| 4:00-8:00 | 2 |
| 8:00-12:00 | 3 |
| 12:00-16:00 | 4 |
| 16:00-20:00 | 5 |
| 20:00-0:00 | 6 |
TABLE 2 correspondence between device ID information and device serial number
| Device ID information | Device serial number |
| A | 1 |
| B | 2 |
| C | 3 |
| D | 4 |
| E | 5 |
| F | 6 |
| ........... | ........... |
For example: the equipment ID information of the source gateway equipment is C, when the receiving time is 9:00, the time period serial number of the source gateway equipment is 3 through the table 1, the equipment serial number of the source gateway equipment is 3 through the table 2, the time period serial number and the equipment serial number are added to be 6, namely the encryption equipment serial number, the corresponding encryption equipment ID is F through the table 2, the set time period duration is known to be 4 hours through the table 1, so that the equipment serial number is multiplied by the set time period duration to obtain a adding duration, namely the adding duration is 12 hours, the adding duration and the receiving time information are added, and 9:00 plus 12 hours are used for obtaining the encryption receiving time to be 21: 00.
Further, the combination of the encrypted reception time information and the encrypted device ID information with the identification content information is used to obtain encrypted unidentifiable information, specifically:
and combining the time period serial number, the encryption receiving time, the equipment serial number and the encryption equipment ID information to obtain the encryption unidentifiable information. The encryption unrecognizable information in the above example is the period number 3, the encryption reception time 21:00, the device number 3, and the encrypted device ID information F.
Further, decrypting the encrypted reception time information and the encrypted device ID information to obtain the reception time information and the device ID information specifically includes the following steps, as shown in fig. 3:
s61, subtracting the time interval serial number from the encrypted equipment ID information to obtain equipment ID information;
s62, multiplying the equipment serial number by the set time interval duration to obtain a decrement duration;
s63 subtracts the decrement duration from the encrypted reception time to obtain reception time information.
Continuing with the above example as an example, the encrypted device ID information is F, and the device serial number is 6 and the time period serial number is 3 as obtained from table 2, so the device serial number is 3, and the device ID information is C as obtained from table 2; because the time duration of the set time interval is 4 hours, the time duration of the decrement is 12 hours, the encryption receiving time is 21:00 minus 12 hours, and the receiving time information is 9:00, so that the source gateway equipment is obtained.
Example 2
On the basis of the embodiment, a cooperative transmission system across heterogeneous protocols is proposed, as shown in fig. 4, including:
a plurality of universal receiving gateways 100 for transmitting unidentifiable information including receiving time information, device ID information and identification content information; the identification content information is a network identification address or a protocol type data packet; preferably, the receiving gateway 100 of this embodiment develops the data plane programmable switch CS6200-54X-EI-XC by using the china digital code and using the domestic new switching chip CTC 7132;
an intelligent control platform 200 having:
a receiving module 210, configured to receive the unrecognized information;
an encryption module 220 for:
extracting the reception time information and the device ID information;
carrying out cross encryption on the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information;
combining the encrypted reception time information and the encrypted device ID information with the identification content information to obtain encrypted unidentifiable information;
a calculation module 230, configured to extract a conversion policy corresponding to the identification content information from a conversion knowledge base; the heterogeneous protocol conversion method adopts the prior art, such as the heterogeneous protocol network system and the data exchange method thereof of the invention patent application with the publication number of CN108055290A, and can realize interconnection and intercommunication among a plurality of network protocols by arranging heterogeneous protocol interconnection equipment among different protocol networks, so that the formed heterogeneous protocol network has better universality.
A decryption module 240, configured to decrypt the encrypted receiving time information and the encrypted device ID information to obtain receiving time information and device ID information;
a sending module 250, configured to send the conversion policy and the receiving time information to a universal gateway device corresponding to the device ID information.
Specifically, for example, the information received by the receiving module 210 is unrecognizable information, and includes the receiving time information 9:00, device ID information C and identification content information; a data plane and control plane communication interface is arranged between the programmable switch CS6200-54X-EI-XC and the intelligent control platform 200, and through the communication interface, the switch can upload unidentifiable information including identification content information including network identification addresses and protocol type data packets.
Further, the encryption module 220 is specifically configured to:
determining the time interval sequence number to which the receiving time information belongs;
determining the serial number of the equipment to which the equipment ID information belongs;
adding the serial number to the equipment serial number in the time period to obtain an encryption equipment serial number as an encryption equipment ID;
multiplying the equipment serial number by the set time period duration to obtain a progressive duration;
and adding the adding time length and the receiving time information to obtain the encrypted receiving time.
Specifically, for example, the encryption module 220 obtains the time period number 3, the device number 3, and the encryption device ID F, the increment time is 12 hours, and the encryption receiving time is 21:00, and combines the above information and the identification content information sent by the receiving gateway to form the encrypted unidentifiable information.
Further, the encryption module 220 specifically combines the encrypted reception time information and the encrypted device ID information with the identification content information by the following method to obtain encrypted unidentifiable information:
and combining the time period serial number, the encryption receiving time, the equipment serial number and the encryption equipment ID information to obtain the encryption unidentifiable information.
Specifically, taking the above example as an example, the encryption unidentifiable information includes: the time period serial number is 3, the encryption receiving time is 21:00, the device serial number is 3, and the encryption device ID information is F.
Further, the decryption module 240 is specifically configured to:
subtracting the time interval serial number from the encrypted equipment ID information to obtain equipment ID information;
multiplying the equipment serial number by the set time period duration to obtain a decreasing duration;
and subtracting the degressive duration from the encrypted receiving time to obtain receiving time information.
Specifically, for example, the encryption device ID is 6, the time period number is 3, the obtained device ID information is C, the device number is 3, the time period duration is set to be 4 hours, so the time duration of the decrement is 12 hours, the encryption receiving time is 21:00, and the decrement time duration is 12 hours to obtain the receiving time information 9:00, so the decryption module 240 can obtain the receiving time and the device ID information of the receiving gateway: and C9: 00.
Example 3
The application provides a terminal device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and is characterized in that the processor implements the steps of the above cross-heterogeneous protocol cooperative transmission method when executing the computer program. Referring now to FIG. 3, shown is a block diagram of a computer system 700 suitable for use in implementing a terminal device or server of an embodiment of the present application.
As shown in fig. 5, the computer system 700 includes a Central Processing Unit (CPU)701, which can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)702 or a program loaded from a storage section 708 into a Random Access Memory (RAM) 703. In the RAM703, various programs and data necessary for the operation of the system 700 are also stored. The CPU 701, the ROM 702, and the RAM703 are connected to each other via a bus 704. An input/output (I/O) interface 705 is also connected to bus 704.
The following components are connected to the I/O interface 705: an input portion 706 including a keyboard, a mouse, and the like; an output section 707 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 708 including a hard disk and the like; and a communication section 709 including a network interface card such as a LAN card, a modem, or the like. The communication section 709 performs communication processing via a network such as the internet. A drive 710 is also connected to the I/O interface 705 as needed. A removable medium 711 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 710 as necessary, so that a computer program read out therefrom is mounted into the storage section 708 as necessary.
In particular, the process described above with reference to fig. 1 may be implemented as a computer software program, according to an embodiment of the present disclosure. For example, embodiments of the present disclosure include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program comprising program code for performing the method of 1. In such an embodiment, the computer program can be downloaded and installed from a network through the communication section 709, and/or installed from the removable medium 711.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Example 4
A computer-readable storage medium having a computer program, the computer program when executed by a processor implementing the above steps of the method for cooperative transmission across heterogeneous protocols; or it may be a separate computer readable storage medium not incorporated into the device. The computer readable storage medium stores one or more programs, which are used by one or more processors to execute the steps of the entity relationship query method of the logistics industry in the first embodiment.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A method for cooperative transmission across heterogeneous protocols, the method comprising the steps of:
receiving unidentifiable information sent by source gateway equipment, wherein the unidentifiable information comprises receiving time information, equipment ID information and identification content information; the identification content information is a network identification address or a protocol type data packet;
extracting the reception time information and the device ID information;
carrying out cross encryption on the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information;
combining the encrypted reception time information and the encrypted device ID information with the identification content information to obtain encrypted unidentifiable information;
extracting a conversion strategy corresponding to the identification content information from a conversion knowledge base;
decrypting the encrypted receiving time information and the encrypted device ID information to obtain receiving time information and device ID information;
and sending the conversion strategy and the receiving time information to the source gateway equipment corresponding to the equipment ID information.
2. The cooperative transmission method across heterogeneous protocols according to claim 1, wherein the cross-encryption of the reception time information and the device ID information is performed to obtain encrypted reception time information and encrypted device ID information, and specifically includes the following steps:
determining the time interval sequence number to which the receiving time information belongs;
determining the serial number of the equipment to which the equipment ID information belongs;
adding the time period serial number and the equipment serial number to obtain an encryption equipment serial number as an encryption equipment ID;
multiplying the equipment serial number by the set time period duration to obtain a progressive duration;
and adding the adding time length and the receiving time information to obtain the encrypted receiving time.
3. The cooperative transmission method across heterogeneous protocols according to claim 1, wherein the combination of the encrypted reception time information and the encrypted device ID information with the identification content information is used to obtain encrypted unidentifiable information, specifically:
and combining the time period serial number, the encryption receiving time, the equipment serial number and the encryption equipment ID information to obtain the encryption unidentifiable information.
4. The cooperative transmission method across heterogeneous protocols according to claim 3, wherein decrypting the encrypted reception time information and the encrypted device ID information to obtain reception time information and device ID information specifically includes the following steps:
subtracting the time interval serial number from the encrypted equipment ID information to obtain equipment ID information;
multiplying the equipment serial number by the set time period duration to obtain a decreasing duration;
and subtracting the degressive duration from the encrypted receiving time to obtain receiving time information.
5. A system for cooperative transmission across heterogeneous protocols, comprising:
a plurality of general receiving gateways (100) for transmitting unidentifiable information including receiving time information, device ID information and identification content information; the identification content information is a network identification address or a protocol type data packet;
an intelligent control platform (200) having:
a receiving module (210) for receiving the unrecognized information;
an encryption module (220) to:
extracting the reception time information and the device ID information;
carrying out cross encryption on the receiving time information and the equipment ID information to obtain encrypted receiving time information and encrypted equipment ID information;
combining the encrypted reception time information and the encrypted device ID information with the identification content information to obtain encrypted unidentifiable information;
a calculation module (230) for extracting a conversion policy corresponding to the identified content information from a conversion repository;
a decryption module (240) for decrypting the encrypted reception time information and the encrypted device ID information to obtain reception time information and device ID information;
a sending module (250) for sending the conversion policy and the receiving time information to a universal gateway device corresponding to the device ID information.
6. The system according to claim 5, wherein the encryption module (220) is specifically configured to:
determining the time interval sequence number to which the receiving time information belongs;
determining the serial number of the equipment to which the equipment ID information belongs;
adding the serial number to the equipment serial number in the time period to obtain an encryption equipment serial number as an encryption equipment ID;
multiplying the equipment serial number by the set time period duration to obtain a progressive duration;
and adding the adding time length and the receiving time information to obtain the encrypted receiving time.
7. The cooperative transmission system across heterogeneous protocols according to claim 6, wherein the encryption module (220) is configured to combine the encrypted reception time information and encrypted device ID information with the identification content information to obtain encrypted unidentifiable information by:
and combining the time period serial number, the encryption receiving time, the equipment serial number and the encryption equipment ID information to obtain the encryption unidentifiable information.
8. The system according to claim 7, wherein the decryption module (240) is specifically configured to:
the serial number of the encrypted equipment ID information in the descending time period is obtained to obtain equipment ID information;
multiplying the equipment serial number by the set time period duration to obtain a decreasing duration;
and subtracting the degressive duration from the encrypted receiving time to obtain receiving time information.
9. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the method for cooperative transmission across heterogeneous protocols according to any of claims 1-8.
10. A computer-readable storage medium having a computer program, wherein the computer program when executed by a processor implements the steps of the method for cooperative transmission across heterogeneous protocols according to any of claims 1 to 8.
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| CN110995759A (en) * | 2019-12-23 | 2020-04-10 | 中国联合网络通信集团有限公司 | Access method and device of Internet of things |
| CN112468453A (en) * | 2020-11-10 | 2021-03-09 | 杭州博联智能科技股份有限公司 | Access method, system, electronic device and storage medium of multi-protocol device |
| CN112671809A (en) * | 2021-03-17 | 2021-04-16 | 北京红云融通技术有限公司 | Data transmission method, signal source end and receiving end |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115499161A (en) * | 2022-08-15 | 2022-12-20 | 上海嘉柒智能科技有限公司 | Internet of things equipment data security protection method and device |
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