CN111641717A - Management method of node data in Internet of things system - Google Patents
Management method of node data in Internet of things system Download PDFInfo
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- CN111641717A CN111641717A CN202010484421.1A CN202010484421A CN111641717A CN 111641717 A CN111641717 A CN 111641717A CN 202010484421 A CN202010484421 A CN 202010484421A CN 111641717 A CN111641717 A CN 111641717A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2212/00—Encapsulation of packets
Abstract
The invention relates to a method for managing node data in an Internet of things system, which comprises the following steps: packaging the data of each node according to a standardized format to obtain a business card file of each node, and correspondingly storing the business card files; exchanging the business card files among the nodes, so that the business card files of the set nodes are stored in the node state information table in each node; and carrying out dynamic interaction among the nodes according to the node state information table, and executing corresponding actions. The invention directly transmits data among the nodes, thereby improving the transmission efficiency.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a method for managing node data in an Internet of things system.
Background
With the continuous progress of information technology, the internet of things industry is rapidly developing, and various internet of things terminal products are increasingly abundant in the consumer market. However, the internet of things terminals from different equipment manufacturers or different batches and different models of the same manufacturer often cannot directly interact or share data among the equipment terminals due to the fact that the service data format packaging standards are not uniform or the software and hardware interfaces are not uniform. The range of product choices for consumers is therefore somewhat limited. The homologous barriers between the devices can cause that the terminal node cannot perform efficient data transmission, sharing and management with other non-homologous nodes, and also cause that the nodes lack effective management on data, cannot fully mine system and environment state information, and can execute corresponding operations in time.
Disclosure of Invention
The invention aims to provide a method for managing node data in an Internet of things system, so that efficient data transmission, sharing and management can be performed among nodes.
In order to achieve the purpose, the invention provides the following scheme:
a management method for node data in an Internet of things system comprises the following steps:
packaging the data of each node according to a standardized format to obtain a business card file of each node, and correspondingly storing the business card files;
exchanging the business card files among the nodes, so that the business card files of the set nodes are stored in the node state information table in each node;
and carrying out dynamic interaction among the nodes according to the node state information table, and executing corresponding actions.
Preferably, the standardized format is specifically:
based on the national standard of the Internet of things, regarding the content related to the national standard of the Internet of things, deleting and/or supplementing according to the actual use scene by using the format in the national standard of the Internet of things; and for the content which is not related in the national standard of the Internet of things, performing extension design according to an actual use scene by taking the national standard of the Internet of things as a reference.
Preferably, the exchanging of the business card files among the nodes is performed so that the business card file of the set node is stored in the node state information table in each node, and specifically includes:
when the transmission protocol is UDP, each node sends a broadcast message containing the business card file to a set node in a broadcast mode, so that the business card file of the set node is stored in a node state information table in each node;
when the transmission protocol is TCP, each node broadcasts a testability message to a set node, the set node responds after receiving the testability message, each node acquires IP address information/MAC address information of the set node and establishes connection, and each node sends a data packet containing the business card file to the set node through the connection, so that the business card file of the set node is stored in a node state information table in each node.
Preferably, the business card files in the data packet are business card files only including self nodes or business card files including self nodes and business card files including set nodes;
the business card file in the broadcast message is the business card file only comprising the node of the business card file or the business card file comprising the node of the business card file and the set node of the business card file.
Preferably, each node is provided with a C-IoT module, and the exchange and dynamic interaction of the business card files are performed between the nodes through the C-IoT modules.
Preferably, the method further comprises:
and updating the business card file of each node, and updating the business card file of the set node stored in the node state information table in each node.
Preferably, the connection is a connection established by a three-way handshake.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention relates to a method for managing node data in an Internet of things system, which comprises the following steps: packaging the data of each node according to a standardized format to obtain a business card file of each node, and correspondingly storing the business card files; exchanging the business card files among the nodes, so that the business card files of the set nodes are stored in the node state information table in each node; and carrying out dynamic interaction among the nodes according to the node state information table, and executing corresponding actions. The invention directly transmits data among the nodes, thereby improving the transmission efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a method for managing node data in an Internet of things system according to the invention.
Detailed Description
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. 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.
The invention aims to provide a method for managing node data in an Internet of things system, so that efficient data transmission, sharing and management can be performed among nodes.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a flowchart of a method for managing node data in an internet of things system according to the present invention, and as shown in fig. 1, the present invention provides a method for managing node data in an internet of things system, including:
and packaging the data of each node according to a standardized format to obtain a business card file of each node, and correspondingly storing the business card files. The standardized format specifically includes:
based on the national standard of the Internet of things, regarding the content related to the national standard of the Internet of things, deleting and/or supplementing according to the actual use scene by using the format in the national standard of the Internet of things; and for the content which is not related in the national standard of the Internet of things, performing extension design according to an actual use scene by taking the national standard of the Internet of things as a reference.
In the embodiment, an air conditioner is taken as an example, and the designed business card file is as shown in table 1.
TABLE 1 name card file of air conditioner
And exchanging the business card files among the nodes, so that the business card files of the set nodes are stored in the node state information table in each node.
The set nodes are all nodes except self nodes in the current Internet of things system or a plurality of nodes set in the current Internet of things system.
Specifically, when the transmission Protocol is a User Datagram Protocol (UDP), each node sends a broadcast packet including the business card file to a set node in a broadcast manner, so that the node state information table in each node stores the business card file of the set node.
When the Transmission Protocol is a Transmission Control Protocol (TCP), each node broadcasts a testability packet to a set node, the set node receives the testability packet and then responds, each node obtains IP address information/MAC address information of the set node and establishes a connection, and each node sends a data packet containing the name card file to the set node through the connection, so that the name card file of the set node is stored in a node state information table in each node. In this embodiment, the connection is established through three-way handshake.
As an optional implementation manner, the business card file in the data packet of the present invention is a business card file that only includes its own node or a business card file that includes both its own node and a set node.
The business card file in the broadcast message is the business card file only comprising the node of the business card file or the business card file comprising the node of the business card file and the set node of the business card file.
Specifically, the method is actually selected according to the link quality, for example, if the link quality of a certain node is poor, only the business card file of the node is sent; if the network quality of a certain node is particularly poor and data cannot be sent, the business card file of the node with particularly poor network quality needs to be sent out by other certain nodes.
And generating corresponding instructions according to a service logic rule determined by user requirements, performing dynamic interaction among the nodes according to the node state information table, and executing corresponding actions.
As an optional implementation manner, each node of the present invention is provided with a cellular internet of Things (C-IoT) module, and the exchange of the business card files and the transmission of instructions are performed between the nodes through the C-IoT module.
As an optional embodiment, the method of the present invention further comprises:
and updating the business card file of each node, and updating the business card file of the set node stored in the node state information table in each node.
The specific update conditions include:
and updating after adding or deleting nodes in the Internet of things system.
And updating after dynamic interaction.
And setting an updating period and updating according to the updating period.
The technical scheme described in the application is specifically described below by taking an intelligent home as an example.
The intelligent home Internet of things system comprises 4 nodes, wherein the node 1 is a temperature sensor, the node 2 is an air conditioner, the node 3 is a curtain, and the node 4 is a light intensity sensor.
Before the system initially operates, the data of each node is packaged by 4 nodes according to GB/T-35143 Internet of things intelligent home data and equipment codes, and a business card file of each node is obtained.
Each node broadcasts a testability message to other nodes, the other nodes respond after receiving the testability message, each node acquires IP address information/MAC address information of the other nodes, connection is established through three-way handshake, each node sends a name card file to the other nodes through the connection, and the node state information table in each node stores the name card files of the other nodes.
The temperature sensor senses that the ambient temperature changes, generates a corresponding instruction and sends the instruction to the air conditioner, and the air conditioner enables the ambient temperature to return to the preset range by adjusting the self setting, so that the intelligent home system is in the set stable state. After the air conditioner adjusts the self setting, the parameters are changed, the business card files need to be updated, and the business card files of the air conditioners in the other nodes are updated through the updating method.
The light intensity sensor senses that the light intensity of the surrounding environment changes, corresponding instructions are generated and sent to the curtain, and the curtain enables the light intensity of the surrounding environment to return to the preset range by adjusting the state of the curtain, so that the intelligent home system is in the set stable state. After the state of the air conditioner is adjusted by the initial bar, the parameters are changed, the business card files need to be updated, and the business card files of the air conditioners in the other nodes are updated through the updating method.
If the node 5 is newly added during the operation of the system, the business card file of the node 5 is obtained according to the method, and the node state information table in each node is updated through the method.
Aiming at the traditional scheme, the invention provides a novel node data management method in a communication chip protocol layer operating system in an auxiliary Internet of things terminal communication module based on a distributed decentralized architecture. Information including node state information, operation instructions and the like is packaged into a node business card file through a unified service data format, and specific processes in three aspects of data storage, data updating and data transmission are designed on the basis. The invention solves the problems that non-homologous equipment from different equipment manufacturers or different product models are difficult to directly interconnect and intercommunicate, so that the information sharing is difficult, the interoperability is poor and the data cooperation among the nodes is difficult to realize.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A method for managing node data in an Internet of things system is characterized by comprising the following steps:
packaging the data of each node according to a standardized format to obtain a business card file of each node, and correspondingly storing the business card files;
exchanging the business card files among the nodes, so that the business card files of the set nodes are stored in the node state information table in each node;
and carrying out dynamic interaction among the nodes according to the node state information table, and executing corresponding actions.
2. The management method according to claim 1, characterized in that said standardized format is in particular:
based on the national standard of the Internet of things, regarding the content related to the national standard of the Internet of things, deleting and/or supplementing according to the actual use scene by using the format in the national standard of the Internet of things; and for the content which is not related in the national standard of the Internet of things, performing extension design according to an actual use scene by taking the national standard of the Internet of things as a reference.
3. The management method according to claim 1 or 2, wherein the exchanging of the business card files between the nodes is performed so that the node state information table in each node stores the business card file of the set node, and specifically includes:
when the transmission protocol is UDP, each node sends a broadcast message containing the business card file to a set node in a broadcast mode, so that the business card file of the set node is stored in a node state information table in each node;
when the transmission protocol is TCP, each node broadcasts a testability message to a set node, the set node responds after receiving the testability message, each node acquires IP address information/MAC address information of the set node and establishes connection, and each node sends a data packet containing the business card file to the set node through the connection, so that the business card file of the set node is stored in a node state information table in each node.
4. The management method according to claim 3, wherein the business card files in the data packet are business card files including only self nodes or business card files including both self nodes and set nodes;
the business card file in the broadcast message is the business card file only comprising the node of the business card file or the business card file comprising the node of the business card file and the set node of the business card file.
5. The management method according to claim 1 or 2, wherein each of the nodes is provided with a C-IoT module, and the exchange and dynamic interaction of the business card files between the nodes are performed through the C-IoT module.
6. The method for managing according to claim 1 or 2, characterized in that it further comprises:
and updating the business card file of each node, and updating the business card file of the set node stored in the node state information table in each node.
7. The data management method according to claim 1 or 2, wherein the connection is a connection established through a three-way handshake.
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| CN112948687A (en) * | 2021-03-25 | 2021-06-11 | 重庆高开清芯智联网络科技有限公司 | Node message recommendation method based on name card file characteristics |
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| CN112965381A (en) * | 2021-02-09 | 2021-06-15 | 重庆高开清芯智联网络科技有限公司 | Method for establishing cooperative intelligent self-adaptive decision model |
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