CN113472859B - Method and system for solving nearby connection of equipment based on Azure IoT Hub - Google Patents
Method and system for solving nearby connection of equipment based on Azure IoT Hub Download PDFInfo
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- H—ELECTRICITY
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- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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- H04L67/1021—Server selection for load balancing based on client or server locations
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Abstract
The invention belongs to the field of communication, and discloses a method for nearby connection of Internet of things equipment, which specifically comprises the following steps: the internet of things equipment is connected to the nearest internet of things center according to the nearby principle; when the Internet of things equipment is at the replacement position, switching to the nearest Internet of things center according to the nearby principle; the Internet of things equipment is in communication connection with an Internet of things platform through an Internet of things center connected with the Internet of things equipment; the Internet of things centers are distributed in different geographic areas and are in communication connection with the Internet of things platforms. The method can realize that the Internet of things equipment is connected with the Internet of things center nearby, and stable communication connection between the Internet of things equipment and the Internet of things platform is realized. Meanwhile, a system for realizing the method is also disclosed.
Description
Technical Field
The invention relates to the field of communication, in particular to a method and a system for solving the problem of nearby connection of equipment based on Azur eIoT Hub.
Background
In the traditional technology, the internet of things equipment is a certain internet of things (IoT) center which is fixedly connected, if the equipment is scattered around the world, the nearby access of the equipment cannot be realized, and the connection stability of the equipment and the cloud can not be better ensured.
CN201911217172.3 discloses a multi-data center online management system and management method based on internet of things, the online management system comprises: a plurality of data centers, networks and management servers arranged in a distributed manner; the data center is provided with a control console which is responsible for monitoring the environment and hardware of the corresponding data center and monitoring the resource utilization condition of the data center; the network is a data transmission medium of a data center and a management server; the management server manages a plurality of data centers connected with the management server, monitors the environment, hardware and resource utilization conditions of the data centers, and coordinates the workload of each data center. In the invention, each data center is provided with an independent control console for management, so that the single-point fault problem and the performance bottleneck problem of the control console are solved; the management server distributes the data centers accessed in a login mode according to the resource utilization rate conditions in each data, coordinates the workload of each data center, and enables the load of the data centers to be averaged and the utilization rate to be maximized.
In the scheme, a plurality of data centers are provided, the management server is responsible for managing the plurality of data centers, and the management server does not bear the specific functions of processing, transmitting and receiving the data of the Internet of things. It is essentially a discrete combination of multiple data centers, and cannot implement centralized processing of data.
CN202010064657.X discloses an Internet of things platform, an Internet of things system and a management method of the Internet of things platform. The platform of thing networking includes: the system comprises a service function module, a service configuration module and a cascade module; the service function module comprises functions of a cloud center platform and functions of an edge domain platform; the service configuration module is used for managing each function in the service function module so as to realize the switching of the Internet of things platform between the cloud center platform and the edge domain platform; and the cascade module is used for adjusting at least one of data receiving and transmitting and task scheduling conditions according to the management results of all functions in the service function module by the service configuration module so as to adapt to the switched cloud center platform or edge domain platform. The application can be flexibly applicable to different domains, and can reasonably realize upward and downward two-pole capacity expansion, so as to meet the new demands of the Internet of things in the aspects of capacity expansion, upgrading, maintenance and the like.
The service configuration module is used for managing each function in the service function module so as to realize that the internet of things platform is switched between the cloud center platform and the edge domain platform, and the cloud center platform and the edge domain platform belong to the same-level platform and independently process data so as not to realize centralized processing of the data.
In summary, in the existing technical field of the internet of things, the general problem is that: the internet of things equipment can not realize nearby access to the internet of things platform, and the connection stability of the equipment and the cloud can not be better guaranteed.
Disclosure of Invention
The invention aims to provide a method for nearby connection of Internet of things equipment, which can realize that the Internet of things equipment is nearby connected with an Internet of things center and realize stable communication connection between the Internet of things equipment and an Internet of things platform;
meanwhile, the invention also provides a system based on the method.
In order to achieve the above purpose, the present invention provides the following technical solutions: a method for nearby connection of Internet of things equipment comprises the following steps:
the internet of things equipment is connected to the nearest internet of things center according to the nearby principle;
when the Internet of things equipment is at the replacement position, switching to the nearest Internet of things center according to the nearby principle;
the Internet of things equipment is in communication connection with an Internet of things platform through an Internet of things center connected with the Internet of things equipment;
the Internet of things centers are distributed in different geographic areas and are in communication connection with the Internet of things platforms.
In the method for nearby connection of the internet of things equipment, the internet of things center is an Azure IoT center, and the message sent by the internet of things center is sent to the internet of things platform through the message queue Azure Service Bus.
In the method for connecting the internet of things equipment nearby, the specific method for connecting the internet of things equipment to the nearest internet of things center according to the nearby principle comprises the following steps:
step 11: the method comprises the steps that an Internet of things device sends a first registration request to an Internet of things platform, wherein the first registration request contains a designated area of the Internet of things device;
step 12: the internet of things platform selects an internet of things center according to a first registration request and a nearby principle, and sends connection information of the internet of things center to internet of things equipment;
step 13: and the Internet of things equipment establishes connection with the Internet of things center according to the connection information.
In the method for nearby connection of the internet of things device, the specific method for switching to the nearest internet of things center according to the nearby principle after the internet of things device is changed in position comprises the following steps:
step 31: the method comprises the steps that the Internet of things equipment sends a second registration request to an Internet of things platform, wherein the second registration request contains a designated new area of the Internet of things equipment;
step 32: the internet of things platform deletes the equipment from the original internet of things center according to the second registration request, selects a new internet of things center according to the second registration request and sends the connection information of the new internet of things center to the internet of things equipment according to the nearby principle;
step 33: and the Internet of things equipment establishes connection with a new Internet of things center according to the connection information.
In the method for nearby connection of the internet of things equipment, the internet of things platform is a cloud platform;
the information of the appointed new area of the Internet of things equipment is obtained according to the selection of a user or is obtained automatically according to a built-in positioning module of the Internet of things equipment.
Meanwhile, the invention also discloses an Internet of things system, which comprises a plurality of Internet of things centers, at least one Internet of things platform and Internet of things equipment;
the Internet of things center is in communication connection with the Internet of things platform;
the internet of things platform comprises a first communication module and an internet of things center selection module;
the first communication module is used for communication connection with the Internet of things equipment and the Internet of things center;
the Internet of things equipment comprises a second communication module and a registration request generation module;
the second communication module is used for being in communication connection with the Internet of things platform and the Internet of things center;
the registration request generation module is used for sending a registration request to the Internet of things platform by the Internet of things equipment; the registration request contains a designated area of the Internet of things equipment;
the internet of things center selection module is used for selecting and sending the nearest internet of things center connection information to the internet of things equipment through the first communication module according to the registration request.
In the above internet of things system, the internet of things center is an Azure IoT center, and the message sent by the internet of things center is sent to the internet of things platform through the message queue Azure Service Bus.
In the above internet of things system, the registration request includes a first registration request and a second registration request, where the first registration request is generated by a registration request generating module after the internet of things device is started; the second registration request is generated by a registration request generation module after the equipment of the Internet of things changes regions; the first registration request and the second registration request both have designated areas of the internet of things device.
In the above internet of things system, the internet of things platform is a cloud platform;
the information of the appointed new area of the Internet of things equipment is obtained according to the selection of a user or is obtained automatically according to a built-in positioning module of the Internet of things equipment.
Compared with the prior art, the invention has the beneficial effects that:
the method can realize that the Internet of things equipment is connected with the Internet of things center nearby, and realize stable communication connection between the Internet of things equipment and the Internet of things platform.
Specifically, the internet of things platform is connected through a plurality of internet of things centers, the internet of things centers are distributed in different regions, when the internet of things equipment flows across regions, the internet of things centers are connected through switching, the nearby connection of the internet of things equipment and the nearest internet of things center can be realized, and stable communication connection between the internet of things equipment and the internet of things platform is realized.
The unstable communication connection between the existing Internet of things equipment and the Internet of things platform is effectively solved.
Drawings
FIG. 1 is a flow chart of embodiment 1 of the present invention;
fig. 2 is a structural diagram of embodiment 2 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, in the method for nearby connection of internet of things equipment, the internet of things centers are a plurality of internet of things centers distributed in different geographic areas, and the internet of things centers are in communication connection with an internet of things platform (i.e. the platform in fig. 1);
fig. 1 shows a process of registering and performing information interaction between platforms by using the internet of things device (i.e., the device in fig. 1) of the present invention;
the method specifically comprises the following steps:
the internet of things equipment is connected to the nearest internet of things center according to the nearby principle;
the specific method comprises the following steps:
step 11: the method comprises the steps that an Internet of things device sends a first registration request to an Internet of things platform, wherein the first registration request contains a designated area of the Internet of things device;
the designated area in the step can be an area designated by a user, and can also be positioning information based on a positioning module built in the Internet of things equipment;
the first registration request is that the Internet of things equipment is connected with the Internet of things platform for the first time after being started; in the following, if the internet center is to be switched, a second registration request is generated; the second registration request and the first registration request are substantially identical in composition.
Step 12: the internet of things platform selects an internet of things center according to a first registration request and a nearby principle, and sends connection information of the internet of things center to internet of things equipment;
the proximity principle is exemplified by the following example: for example, in the China district, the Internet of things centers can be divided into 5 centers, namely a south China center, a middle China center, a north China center, a Hua Xi center and an east China center;
when the Internet of things equipment is started in the Wuhan, the Internet of things platform selects the center of China as a corresponding Internet of things center according to a corresponding first registration request, connection information of the center of China is sent to the Internet of things equipment, and the Internet of things equipment establishes connection with the center of China according to the connection information;
as a preference of this embodiment, the internet of things center is Azure IoT center, that is Azure IoT Hub in fig. 1;
the Microsoft Azure service bus is a fully hosted enterprise message broker that contains message queues and publish-subscribe topics. The service bus is used to separate applications and services, providing the following advantages: implementing workload balancing across the contention-based worker nodes; secure routing and transmission of data and control across service and application boundaries; coordination requires highly reliable transactional work.
The Azure service bus supports a set of cloud-based, message-oriented middleware technologies, including reliable message queuing and persistent publish/subscribe messaging. These relay messaging functions may be considered as split messaging functions supporting publish-subscribe, temporary split, and load balancing schemes that use service bus messaging workloads. Separate communication has many advantages. For example, clients and servers may connect as needed and perform their operations in an asynchronous manner.
The Azure IoT hub provides a cloud hosting solution backend, almost any device can be connected. The solution is extended from the cloud to the edge through identity verification, built-in device management and extended configuration of each device. Highly secure, reliable communications are enabled between internet of things (IoT) applications and devices managed thereby. In addition, the Azure Iot Hub has an Iot Hub deployed worldwide, for example, western Europe, east Asia, eastern China, northern China, southeast Asia, the United states and the like have an Iot Hub, so that the world has Iot centers worldwide, the closest Iot center can be selected for connection according to the region where the device is located, and the stability of the device connection is well ensured.
Step 13: and the Internet of things equipment establishes connection with the Internet of things center according to the connection information.
When the Internet of things equipment is at the replacement position, switching to the nearest Internet of things center according to the nearby principle; the method specifically comprises the following steps:
step 31: the method comprises the steps that the Internet of things equipment sends a second registration request to an Internet of things platform, wherein the second registration request contains a designated new area of the Internet of things equipment;
step 32: the internet of things platform deletes the equipment from the original internet of things center according to the second registration request, selects a new internet of things center according to the second registration request and sends the connection information of the new internet of things center to the internet of things equipment according to the nearby principle; the original internet of things center refers to an internet of things center connected with the internet of things device;
step 33: and the Internet of things equipment establishes connection with a new Internet of things center according to the connection information.
The Internet of things equipment is in communication connection with an Internet of things platform through an Internet of things center connected with the Internet of things equipment;
the internet of things equipment sends data to an internet of things center through a corresponding interface, and a message sent by the internet of things center is sent to an internet of things platform through a message queue Azure Service Bus;
if the internet of things platform is to issue a message to the internet of things equipment, the internet of things platform directly sends the information with the address of the internet of things equipment to the corresponding internet of things center, and the internet of things center sends the information to the corresponding internet of things equipment.
In this embodiment, the internet of things platform is a cloud platform, and in practical application, the optional cloud platform is an RCMS (Lu Bangtong gateway cloud management platform).
The invention has the advantages that:
the Azure Iot Hub has the advantages that the Iot Hub is deployed worldwide, for example, western Europe, eastern Asia, eastern China, northern China, southeast Asia, the United states and the like have the Iot Hub, so that the Iot Hub is located worldwide, the platform can uniformly schedule the devices, the nearest Iot Hub is selected to connect according to the region where the devices are located, and the stability of the connection of the devices is well ensured.
Example 2
Referring to fig. 2, an internet of things system for implementing the method of embodiment 1 includes a plurality of internet of things centers 1, at least one internet of things platform 2, and internet of things devices 3;
the Internet of things center 1 is in communication connection with the Internet of things platform 2;
the internet of things platform 2 comprises a first communication module 21 and an internet of things center selection module 22;
the first communication module 21 is used for performing communication connection with the internet of things device 3 and the internet of things center 1;
the internet of things device 3 comprises a second communication module 31 and a registration request generation module 32;
the second communication module 31 is configured to perform communication connection with the internet of things platform 2 and the internet of things center 1;
the registration request generation module 32 is configured to send a registration request to the internet of things platform 2 by the internet of things device 3; the registration request contains a designated area of the internet of things device 3;
the internet of things center selection module 22 is configured to select, according to a registration request, to send the latest connection information of the internet of things center 1 to the internet of things device 3 through the first communication module 21; the internet of things center 1 is an Azure IoT center, a message sent by the internet of things center 1 is sent to the internet of things platform 2 through a message queue Azure Service Bus, the registration request comprises a first registration request and a second registration request, and the first registration request is generated by the registration request generation module 32 after the internet of things device 3 is started; the second registration request is generated by the registration request generating module 32 after the internet of things device 3 changes the region; the first registration request and the second registration request both have designated areas of the internet of things device 3, and the internet of things platform 2 is a cloud platform; the information of the designated new area of the internet of things device 3 is obtained according to the selection of a user or is obtained automatically according to a built-in positioning module of the internet of things device 3.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The method for nearby connection of the Internet of things equipment is characterized by comprising the following steps of:
the internet of things equipment is connected to the nearest internet of things center according to the nearby principle;
when the Internet of things equipment is at the replacement position, switching to the nearest Internet of things center according to the nearby principle;
the Internet of things equipment is in communication connection with an Internet of things platform through an Internet of things center connected with the Internet of things equipment;
the Internet of things centers are distributed in different geographic areas and are in communication connection with the Internet of things platforms;
the specific method for connecting the Internet of things equipment to the nearest Internet of things center according to the nearby principle comprises the following steps:
step 11: the method comprises the steps that an Internet of things device sends a first registration request to an Internet of things platform, wherein the first registration request contains a designated area of the Internet of things device;
step 12: the internet of things platform selects an internet of things center according to a first registration request and a nearby principle, and sends connection information of the internet of things center to internet of things equipment;
step 13: the Internet of things equipment establishes connection with an Internet of things center according to the connection information;
the specific method for switching the internet of things equipment to the nearest internet of things center according to the nearby principle after the internet of things equipment is changed is as follows:
step 31: the method comprises the steps that the Internet of things equipment sends a second registration request to an Internet of things platform, wherein the second registration request contains a designated new area of the Internet of things equipment;
step 32: the internet of things platform deletes the equipment from the original internet of things center according to the second registration request, selects a new internet of things center according to the second registration request and sends the connection information of the new internet of things center to the internet of things equipment according to the nearby principle;
step 33: the Internet of things equipment establishes connection with a new Internet of things center according to the connection information;
the step 33 specifically includes: the Internet of things equipment is in communication connection with the Internet of things platform through an Internet of things center connected with the Internet of things equipment.
2. The method of claim 1, wherein the internet of things center is an Azure IoT center, and the message sent by the internet of things center is sent to the internet of things platform through a message queue Azure Service Bus.
3. The method for nearby connection of internet of things equipment according to claim 1 or 2, wherein the internet of things platform is a cloud platform;
the information of the appointed new area of the Internet of things equipment is obtained according to the selection of a user or is obtained automatically according to a built-in positioning module of the Internet of things equipment.
4. An internet of things system for implementing the method of any of claims 1-3, comprising a plurality of internet of things centers, at least one internet of things platform, an internet of things device;
the Internet of things center is in communication connection with the Internet of things platform;
the internet of things platform comprises a first communication module and an internet of things center selection module;
the first communication module is used for communication connection with the Internet of things equipment and the Internet of things center;
the Internet of things equipment comprises a second communication module and a registration request generation module;
the second communication module is used for being in communication connection with the Internet of things platform and the Internet of things center;
the registration request generation module is used for sending a registration request to the Internet of things platform by the Internet of things equipment; the registration request contains a designated area of the Internet of things equipment;
the internet of things center selection module is used for selecting and sending the nearest internet of things center connection information to the internet of things equipment through the first communication module according to the registration request.
5. The internet of things system of claim 4, wherein the internet of things center is an Azure IoT center and the messages sent by the internet of things center are sent to the internet of things platform through a message queue Azure Service Bus.
6. The internet of things system of claim 4, wherein the registration request comprises a first registration request and a second registration request, the first registration request being generated by a registration request generation module after an internet of things device is started; the second registration request is generated by a registration request generation module after the equipment of the Internet of things changes regions; the first registration request and the second registration request both have designated areas of the internet of things device.
7. The internet of things system of claim 6, wherein the internet of things platform is a cloud platform;
the information of the appointed new area of the Internet of things equipment is obtained according to the selection of a user or is obtained automatically according to a built-in positioning module of the Internet of things equipment.
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| CN112769926A (en) * | 2020-12-31 | 2021-05-07 | 广州鲁邦通物联网科技有限公司 | Internet of things center, system and communication method |
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| US11678181B2 (en) * | 2018-04-05 | 2023-06-13 | Aeris Communications, Inc. | Global device management architecture for IoT devices with regional autonomy |
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| CN101931999A (en) * | 2010-08-31 | 2010-12-29 | 深圳市赫迪威信息技术有限公司 | Service access method, portal switching server and service access system |
| CN108141717A (en) * | 2016-01-11 | 2018-06-08 | 环球互连及数据中心公司 | Co-locate the distributed edge processing of the internet of things equipment data in facility |
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