CN115665226B - Internet of things multi-code identification cross-domain uniform mapping method and system - Google Patents
Internet of things multi-code identification cross-domain uniform mapping method and system Download PDFInfo
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Abstract
The invention discloses a cross-domain uniform mapping method and a cross-domain uniform mapping system for multi-code identifiers of an Internet of things, wherein the system or the method provides a uniform mapping standard for cross-domain heterogeneous multi-identifiers of the Internet of things, and enables Internet of things equipment adopting heterogeneous identifiers in different Internet of things domains to realize interconnection and intercommunication among the cross-domain multi-equipment and equipment cooperation through identification uniform mapping codes, so that universal analysis and query of various heterogeneous Internet of things identifiers and cooperative work among the Internet of things equipment adopting heterogeneous identifiers in cross-domain can be realized.
Description
Technical Field
The invention belongs to the technical field of information systems of the Internet of things, and particularly relates to a cross-domain uniform mapping method and system for multiple coding identifiers of the Internet of things.
Background
The technology of the internet of things is the expansion and extension of a communication network and the technology of the internet, and objects in the world are connected through the communication technology, the RFID, the intelligent sensor and the embedded technology, so that the interaction and seamless connection of all things in the world are realized. The internet of things technology carries out comprehensive real-time perception on the world through wide access equipment and is applied to multiple fields of urban public safety, industrial monitoring, environmental monitoring, intelligent transportation and the like, so that great heterogeneity exists, an islanding phenomenon exists on interoperability among systems, and the internet of things is more difficult to realize interconnection of everything by various heterogeneous identification systems in the research of the internet of things identification system.
The internet of things identification is used as the 'identification card number' of the article in the world of the internet of things, which is the basis of the internet of things for interconnecting all things, each article must be given a specific data identification, and a unique digital 'identification card number' is set for each article, so that the precise interaction between the article and between the person and the article in the internet of things can be realized through the digital 'identification card number' in the process of transmitting massive data information, and the acquisition, processing, transmission and exchange of information are realized.
With the rapid development of the technology of the internet of things and the deployment and use of large-scale low-cost intelligent terminal equipment of the internet of things, different terminal equipment uses different identification codes, so that different terminal equipment is analyzed and addressed, requirements for information interaction and communication between cross-equipment and cross-identification systems are met, the traditional internet of things adopts a closed construction mode, obvious isolation is caused, and a plurality of internet of things domains are formed. Because the representation systems and the identification codes adopted by the terminal equipment in different internet of things domains and between different internet of things domains are different and isolated from each other, and the internet of things equipment in different internet of things domains cannot be contacted, the internet of things multi-code identification needs to be subjected to cross-domain unified mapping to realize interconnection and intercommunication among different internet of things equipment.
Compatibility is a major requirement for internet of things identification coding. In the current internet of things, a plurality of heterogeneous representation systems exist and are used for realizing registration and analysis of services, communication and object identifications in different application scenes. Currently, the mainstream identification systems in the world mainly include DNS, OID, EPC, handle, ecode and the like, however, a plurality of identification systems have large heterogeneity, and different identification systems cannot be directly interconnected and intercommunicated. Various heterogeneous identification systems cannot be compatible with each other, and even the heterogeneous identification systems can cause conflict between identification services of the internet of things. Compatibility is the most main requirement of the internet of things to express coding, so that various heterogeneous coding identifiers are mapped uniformly, and it is necessary to be compatible with the existing heterogeneous coding identifier system.
Disclosure of Invention
The invention provides a cross-domain uniform mapping method and a cross-domain uniform mapping system for multi-code identifiers of the internet of things, aiming at the problems in the prior art, the system or the method provides a uniform mapping standard for cross-domain heterogeneous multi-identifiers of the internet of things, and enables internet of things devices adopting heterogeneous identifiers in different internet of things domains to realize interconnection and intercommunication among the cross-domain multi-devices and device cooperation through uniform identifier mapping codes, so that universal analysis and query of various heterogeneous internet of things identifiers and cooperative work among the internet of things devices adopting heterogeneous identifiers across domains can be realized.
In order to achieve the purpose, the invention adopts the technical scheme that: an Internet of things multi-code identification cross-domain uniform mapping system provides a uniform mapping standard for cross-domain heterogeneous multi-identifications of the Internet of things, and enables Internet of things equipment adopting heterogeneous identifications in different Internet of things domains to achieve interconnection and intercommunication among cross-domain multi-equipment and equipment cooperation through identification uniform mapping codes; the unified mapping code comprises a function code, a domain code, an Internet of things domain gateway code, an identification type and an equipment identification, the equipment completes the conversion from the function code to the equipment identification unified mapping code according to the function code, then obtains the communication address of the equipment through the equipment identification unified mapping code, realizes the mapping conversion from the function code to the equipment address, and completes the interconnection and intercommunication among the equipment and the equipment cooperation after obtaining the communication address of the equipment.
The function code is used for describing the specific functions of the equipment of the Internet of things, and when the cooperation among the cross-domain multiple equipment is realized, the unified mapping code of the identification of the needed cooperation equipment is indexed and inquired according to the function code; the domain code is used for describing the system domain where the Internet of things equipment is located, judging whether the equipment is located in the unified system domain or not according to the domain code when the cooperation among the cross-domain multiple equipment is realized, if so, directly realizing the cooperation among the equipment, and if not, firstly authorizing and then carrying out the cooperation among the equipment.
The invention provides an improvement that the Internet of things domain gateway code describes the Internet of things domain where the Internet of things equipment is located, and the position where the equipment is located can be obtained through the inquiry of the Internet of things domain gateway code of the equipment; the identification type and the equipment identification are the identification type originally adopted by the equipment of the Internet of things and the corresponding equipment identification.
As an improvement of the invention, the multi-code identification cross-domain uniform mapping system of the Internet of things further comprises an identification registration agent module, an identification mapping agent module and an address mapping agent module,
the equipment sends the function code to the identification mapping agent module to complete the conversion from the function code to the equipment identification unified mapping code, and then the equipment identification unified mapping code is sent to the address mapping agent module to obtain the communication address of the equipment, so that the mapping conversion from the function code to the equipment address is realized, and the interconnection and the cooperation between the equipment are completed after the communication address of the equipment is obtained.
As another improvement of the present invention, the identity registration agent module: the device is responsible for registering the Internet of things device in the system, allocating an identification unified mapping code for the device when the device is successfully registered, and sending the original device identification and the identification unified mapping code to an identification mapping agent module for storage; the identity mapping agent module: receiving and storing the identity unified mapping code which is registered in the identity registration agent module, and inquiring the cooperative equipment by taking a function code in the identity unified mapping code as a reference; the address mapping agent module: and the device identification unified mapping code is responsible for mapping the communication address of the Internet of things device.
As another improvement of the present invention, the identifier registration module allocates an identifier uniform mapping code to the device according to the device registration request parameter, sends the uniform mapping code to the address mapping proxy module, and stores the mapping relationship between the device identifier uniform mapping code and the device communication address.
As another improvement of the present invention, the identification types include but are not limited to DNS, OID, EPC, handle and Ecode.
In order to achieve the purpose, the invention also adopts the technical scheme that: a cross-domain uniform mapping method for multi-code identifiers of the Internet of things realizes two functions: (1) registration and mapping of Internet of things equipment identifiers, and (2) cooperation among multiple Internet of things equipment across domains.
As an improvement of the present invention, the implementation of the registration and mapping function of the device identifier of the internet of things specifically includes the following steps:
s1, when the Internet of things equipment is used under an Internet of things domain gateway, a registration request is sent to a multi-code identification cross-domain unified mapping system of the Internet of things, an original identification code of the equipment is uniformly mapped into a format of an identification unified mapping code through an identification registration agent module, and the original identification of the equipment and the identification unified mapping code of the equipment are sent to the identification mapping agent module for storage;
s2, after the equipment is successfully registered, the system sends a message of successful registration to the equipment of the Internet of things, and sends the mapping relation between the identification unified mapping code of the equipment and the communication address of the equipment to an address mapping agent module for storage;
and S3, when the equipment moves and is put under another Internet of things domain gateway to work, repeating the steps S1 and S2, re-registering the equipment, and updating the mapping relation between the original equipment identifier and the new unified identifier mapping code in the identifier mapping proxy module and the mapping relation between the unified identifier mapping code and the equipment address in the address mapping proxy module.
As an improvement of the present invention, the cooperation between the multiple internet of things devices across domains specifically includes the following steps:
s1, a cooperative device A sends a device cooperative request to an Internet of things multi-code identification cross-domain uniform mapping system, and inquires an identification uniform mapping code of a cooperative device B with a required function and a communication address of the device; the request message comprises an original identifier of the cooperative device A and a required device function code;
s2, the Internet of things multi-code identification cross-domain uniform mapping system inquires a corresponding identification uniform mapping code of the cooperative equipment B in an identification mapping agent module according to a function code in a request sent by the cooperative equipment A, compares the inquired equipment B with a neighborhood code in the identification uniform mapping code of the equipment A, and can be directly called if the neighborhood codes are the same; otherwise, authorization needs to be carried out on different fields;
s3, the Internet of things multi-code identification cross-domain unified mapping system sends the identification meeting the requirements to an address mapping agent module, the identification unified mapping code of the cooperative equipment B is mapped to the communication address of the cooperative equipment B, and the address mapping agent module sends the identification unified mapping code and the communication address of the cooperative equipment B to the cooperative equipment A;
s4, the cooperative device A initiates a cooperative request to the cooperative device B according to the returned identification unified mapping code and the communication address of the cooperative device B;
and S5, after the cooperative device B receives the cooperative request of the cooperative device A, the cooperative device B completes corresponding cooperative work together.
Compared with the prior art: the invention has the technical advantages and the technical effects that:
1. the invention provides a method for supporting cross-domain unified mapping of networking multi-code identifiers and cross-domain cooperation among multiple devices, wherein the unified mapping codes of the method are combined according to the type, original identifier and system field of the devices, and the gateway domain and device function information of the Internet of things, and are both an object identifier and an application identifier of the Internet of things;
2. compared with other internet of things identifiers, the equipment identifier unified mapping code can support equipment collaboration among multiple internet of things equipment in cross-internet of things domains, cross-system domains and cross-identifier types. Meanwhile, the multi-code identification of the Internet of things supported by the invention is compatible with various existing identification coding systems.
Drawings
FIG. 1 is an architecture diagram of a cross-domain uniform mapping system for multi-code identification of the Internet of things of the present invention;
FIG. 2 is a flowchart of the steps of the Internet of things device identification unified mapping registration of the present invention;
fig. 3 is a flow chart of the steps of the internet of things multi-device cooperation.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example 1
An internet of things multi-code identification cross-domain uniform mapping system is shown in fig. 1 and comprises an identification registration agent module, an identification mapping agent module and an address mapping agent module, wherein the identification registration agent module is responsible for registering internet of things equipment in the system, allocating identification uniform mapping codes for the equipment when the equipment is successfully registered, and sending original equipment identifications and the identification uniform mapping codes to the identification mapping agent module for storage; the identification mapping agent module receives and stores the identification unified mapping code which is registered in the identification registration agent module, and queries the cooperative equipment by taking the function code in the identification unified mapping code as a reference; the address mapping agent module: the device identification unified mapping code is responsible for mapping the communication address of the Internet of things device; the device comprises an identity registration agent module, an address mapping agent module, an identity registration agent module, an equipment communication address and a registration request module, wherein the identity registration agent module and the address mapping agent module in the modules jointly complete the unified mapping registration of the equipment identity of the Internet of things, the mapping from an original equipment identity to the unified device identity mapping code is realized, the equipment sends the registration request to the identity registration agent module in the registration process, the request parameters are the original equipment identity type, the original identity, the system field, the gateway field of the Internet of things and the equipment function description information, the identity registration module distributes the unified device identity mapping code to the equipment according to the equipment registration request parameters, sends the unified mapping code to the address mapping agent module, and stores the mapping relation between the unified device identity mapping code and the equipment communication address.
The identification mapping agent module and the address mapping agent module in the modules jointly complete the cooperation among the cross-domain multiple devices, the device sends a function code to the identification mapping agent module to complete the conversion from the function code to the device identification unified mapping code in the cooperation process, then the device identification unified mapping code is sent to the address mapping agent module to obtain the communication address of the device, the mapping conversion from the function code to the device address is realized, and the interconnection and intercommunication among the devices and the cooperation among the devices are completed after the communication address of the device is obtained.
The method includes that a function code + a domain code + an internet of things domain gateway code + an identification type + a device identification are used as an identification unified mapping code of the internet of things device, the function code is used for describing specific functions of the internet of things device, when cooperation among multiple devices across domains is achieved, the identification unified mapping code of the cooperation device needed by index inquiry is carried out according to the function code, a neighborhood code is used for describing a system field where the internet of things device is located, when cooperation among the multiple devices across domains is achieved, whether the device is located in the unified system field or not is judged according to the domain code, cooperation among the devices can be directly achieved if the device is located in the unified system field, if not, the device is authorized first and then cooperated among the devices is needed, the internet of things domain gateway code indicates which the internet of things domain the device is located under, the internet of things domain where the device is located is described, the location where the device is located can be obtained through inquiry of the internet of the device domain gateway code of the device, the identification type is an existing internet of various heterogeneous internet of things, and the identification type is not limited to one of the following identification types: the device identifier comprises DNS, OID, EPC, handle and Ecode, and the device identifier represents an original device identifier of the Internet of things device under the original device identifier type.
Finally, the system provides a uniform mapping standard for the cross-domain heterogeneous multi-identifiers of the Internet of things, and the Internet of things equipment adopting the heterogeneous identifiers in different Internet of things domains realizes interconnection and intercommunication among the cross-domain multi-equipment and equipment cooperation through the uniform identifier mapping code.
Example 2
In the embodiment, the internet of things equipment is used by registering through an identification registration agent module of the internet of things multi-code identification cross-domain uniform mapping system to uniformly map the original identification, and the internet of things equipment completes cooperative work among multiple equipment according to the identification uniform mapping code.
A cross-domain unified mapping method for multiple coded identifiers of an Internet of things is provided, assuming that the type of the identifier of the Internet of things used after a device A is produced is EPC, the device identifier is 01010101, the gateway code of the domain gateway of the Internet of things located is '001.001', and a registration flow of the device A for carrying out unified mapping of the device identifier through an identifier registration agent module is shown in FIG. 2, and the specific steps are as follows:
1) When the device A is used under the domain gateway of the Internet of things, a registration request needs to be initiated to an identifier registration agent module of an Internet of things multi-code identifier cross-domain unified mapping system through the domain gateway of the Internet of things, request parameters are { EPC,01010101, device description information }, and the device description information comprises functions of the device A and system field information where the device A is located;
2) The system maps the original equipment identifier of the equipment A into 'a/I/001.001/001/01010101' according to the registration request parameter of the equipment A and the information of the Internet of things domain gateway (001.001) where the equipment A is located, wherein 'a' represents the function code of the equipment A, 'I' represents the system field of the equipment A, '001.001' represents the information of the Internet of things domain gateway where the equipment A is located, '001' represents the original identifier type (EPC) of the equipment A, and '01010101' represents the original equipment identifier of the equipment A;
3) After the equipment A is successfully registered, the system sends a message of successful registration to the cooperative equipment A, and sends the mapping relation between the 'unified mapping code for identification' of the equipment A and the communication address to the address mapping agent module for storage;
4) When the equipment A moves, the equipment A works in a new Internet of things domain of 002.002.002% and a production system domain of II, the equipment needs to be re-registered with the system, the new uniform mapping code of the identifier is a/II/002.002/001/01010101', and the mapping relation in the system identifier mapping service agent module and the address mapping agent module is updated.
In this embodiment, the "unified mapping code for identification" of the cooperative device a is "a/i/001.001/001/01010101", the cooperative device a needs the cooperative device B with the function code B to cooperate with itself, and a process of the cooperative device a invoking the cooperative device B across domains is as shown in fig. 3, which includes the following specific steps:
1) The cooperative equipment A sends an equipment cooperative request to an Internet of things multi-code identification cross-domain uniform mapping system, inquires an identification uniform mapping code of equipment with a function code of 'b', and requests for { ID _ A, b };
2) An identifier mapping agent module of the Internet of things multi-code identifier cross-domain unified mapping system is mapped into a corresponding identifier unified mapping code according to the function code 'b';
3) The identification mapping agent module obtains a cross-domain unified mapping code 'B/II/002.002/002/002002' of the cooperative equipment B according to the function code 'B', the system field of the equipment B is 'II', the domain of the internet of things is '002.002', the original identification system is a Handle system of '002', the original equipment identification is 002002, the system compares the system fields of the cooperative equipment A and the cooperative equipment B, different systems of A and B are found, and the A needs to be authorized to have the authority of calling the B;
4) The system sends the 'identification unified mapping code' of the cooperative equipment B to the address mapping agent module to obtain the communication address of the cooperative equipment B, and the address mapping agent module returns the mapping relation between the 'identification unified mapping code' of the cooperative equipment B and the communication address to the cooperative equipment A;
5) The cooperative device A initiates a function cooperation request to the cooperative device B according to the returned 'identification unified mapping code' of the cooperative device B and the communication address of the cooperative device B, after receiving the request of the cooperative device A, the cooperative device B needs to verify whether the cooperative device A is authorized or not to the system, and if the request is authorized, a call request is returned to the cooperative device A to perform cooperative work with the cooperative device A.
In summary, the original identifier of the device is uniformly mapped into the uniform identifier mapping code, and the uniform identifier mapping code is formed by combining the type of the identifier of the device in the internet of things, the original identifier, the system field of the device, the gateway domain of the internet of things and the function information of the device, and is also the object identifier of the internet of things as the application identifier of the internet of things. Compared with other Internet of things identifiers, the equipment identifier uniform mapping code is compatible with multiple existing Internet of things identifier systems, and can realize the cooperative work among multiple Internet of things equipment in cross Internet of things domains, cross system domains and cross identifier types.
It should be noted that the above-mentioned contents only illustrate the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and it will be apparent to those skilled in the art that several modifications and embellishments can be made without departing from the principle of the present invention, and these modifications and embellishments fall within the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a thing networking multi-code sign is unified mapping system across domain which characterized in that: the system provides a uniform mapping standard for cross-domain heterogeneous multi-identifiers of the Internet of things, and Internet of things equipment adopting heterogeneous identifiers in different Internet of things domains realizes interconnection and intercommunication and equipment cooperation among the cross-domain multi-equipment through identifier uniform mapping codes;
the device completes the conversion from the function code to the device identification unified mapping code according to the function code, acquires the communication address of the device through the device identification unified mapping code, realizes the mapping conversion from the function code to the device address, and completes the interconnection and intercommunication between the devices and the device cooperation after acquiring the communication address of the device;
the function code is used for describing specific functions of the Internet of things equipment, and when the cooperation among the cross-domain multiple equipment is realized, the unified mapping code of the identification of the needed cooperation equipment is indexed and inquired according to the function code;
the domain code is used for describing the system field of the equipment of the Internet of things, judging whether the equipment is in the field of a unified system or not according to the domain code when the cooperation among the cross-domain multiple equipment is realized, if so, directly realizing the cooperation among the equipment, and if not, firstly authorizing and then carrying out the cooperation among the equipment;
two functions can be realized by using the system: (1) registering and mapping an internet of things device identifier, (2) coordinating among multiple internet of things devices across domains, wherein the function of coordinating among multiple internet of things devices across domains specifically comprises the following steps:
s1, a cooperative device A sends a device cooperative request to an Internet of things multi-code identification cross-domain uniform mapping system, and inquires an identification uniform mapping code of a cooperative device B with a required function and a communication address of the device; the request comprises an original identifier of the cooperative equipment A and a function code of the required equipment;
s2, the Internet of things multi-code identification cross-domain uniform mapping system inquires a corresponding identification uniform mapping code of the cooperative equipment B in an identification mapping agent module according to a function code in a request sent by the cooperative equipment A, compares the inquired equipment B with a domain code in the identification uniform mapping code of the equipment A, and can be directly called if the domain codes are the same; otherwise, authorization is required for different fields;
s3, the Internet of things multi-code identification cross-domain unified mapping system sends the identification meeting the requirements to an address mapping agent module, the identification unified mapping code of the cooperative equipment B is mapped to the communication address of the cooperative equipment B, and the address mapping agent module sends the identification unified mapping code and the communication address of the cooperative equipment B to the cooperative equipment A;
s4, the cooperative device A initiates a cooperative request to the cooperative device B according to the returned identification unified mapping code and the communication address of the cooperative device B;
and S5, after the cooperative device B receives the cooperative request of the cooperative device A, the cooperative device B completes corresponding cooperative work together.
2. The internet of things multi-code identification cross-domain uniform mapping system of claim 1, wherein:
the gateway code of the Internet of things domain describes the Internet of things domain where the equipment of the Internet of things is located, and the position where the equipment is located can be obtained through inquiring the gateway code of the Internet of things domain of the equipment;
the identification type and the equipment identification are the identification type originally adopted by the equipment of the Internet of things and the corresponding equipment identification.
3. The internet of things multi-code identification cross-domain uniform mapping system as claimed in claim 1 or 2, wherein: also comprises an identification registration agent module, an identification mapping agent module and an address mapping agent module,
the equipment sends the function code to the identification mapping agent module to complete the conversion from the function code to the equipment identification unified mapping code, and then the equipment identification unified mapping code is sent to the address mapping agent module to obtain the communication address of the equipment, so that the mapping conversion from the function code to the equipment address is realized, and the interconnection and the cooperation between the equipment are completed after the communication address of the equipment is obtained.
4. The internet of things multi-code identification cross-domain uniform mapping system of claim 3, wherein:
the identification registration agent module: the system is responsible for registering the equipment of the Internet of things in the system, allocating an identification unified mapping code to the equipment when the equipment is successfully registered, and sending an original equipment identification and the identification unified mapping code to an identification mapping agent module for storage;
the identity mapping agent module: receiving and storing the identification unified mapping code which is registered in the identification registration agent module, and inquiring the cooperative equipment by taking the function code in the identification unified mapping code as a reference;
the address mapping agent module: and the mapping from the unified mapping code of the cooperative equipment identifier to the communication address of the equipment of the Internet of things is responsible.
5. The internet of things multi-code identification cross-domain uniform mapping system of claim 4, wherein: the identification registration module distributes identification unified mapping codes for the equipment according to the equipment registration request parameters, sends the unified mapping codes to the address mapping agent module, stores the mapping relation between the equipment identification unified mapping codes and the equipment communication address, and realizes the mapping from the original equipment identification to the equipment identification unified mapping codes.
6. The internet of things multi-code identification cross-domain uniform mapping system of claim 5, wherein: the identification types include, but are not limited to, DNS, OID, EPC, handle, and Ecode.
7. The method for cross-domain uniform mapping of the multi-code identifier of the internet of things by using the system of claim 6 is characterized in that the function of registering and mapping the device identifier of the internet of things specifically comprises the following steps:
s1, when the Internet of things equipment is used under an Internet of things domain gateway, a registration request is sent to a multi-code identification cross-domain uniform mapping system of the Internet of things, an equipment original identification code is uniformly mapped into a format of an identification uniform mapping code through an identification registration agent module, and the original identification of the equipment and the identification uniform mapping code of the equipment are sent to an identification mapping agent module for storage;
s2, after the equipment is successfully registered, the system sends a message of successful registration to the Internet of things equipment, and sends the mapping relation between the identifier uniform mapping code of the equipment and the communication address of the equipment to an address mapping agent module for storage;
and S3, when the equipment is moved and put under another Internet of things domain gateway to work, repeating the steps S1 and S2, re-registering the equipment, and updating the mapping relation between the original equipment identifier and the new identifier unified mapping code in the identifier mapping proxy module and the mapping relation between the equipment identifier unified mapping code and the equipment address in the address mapping proxy module.
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