KR20190057806A - IoT platform based on OneM2M International Standards to ensure interoperability and method thereof - Google Patents

Abstract

The present invention relates to a oneM2M international standard IoT platform system for ensuring interoperability between a oneM2M IoT standard terminal and a non-standard terminal. More particularly, provided is an IoT platform for effectively controlling IoT terminals of a oneM2M standard terminal and a oneM2M non-standard terminal using different platforms by transmitting requests and responses by providing interoperability of an IoT standard terminal and an IoT non-standard terminal to the IoT terminals through a communication unit using a web client, a server platform, and middleware in a single platform.

Description

OneM2M International Standard for Ensuring Interoperability The Internet Platform System (IoT platform based on OneM2M International Standards to ensure interoperability and method thereof)

More particularly, the present invention relates to a OneM2M IoT standard terminal and a non-standard terminal object Internet platform system for supporting interoperability between a OneM2M IoT standard terminal and a non-standard terminal, The present invention relates to a OneM2M international standard object Internet platform system for ensuring interoperability for efficiently controlling interoperability of terminals (Things) through a communication unit using a web client, a server platform and a middleware in a single platform .

Recently, Internet of Things (IoT) has been attracting attention. IoT devices use the various sensor / sensor networks, MCUs, actuators and motors, wired / wireless communication part, RFID tag, NFC tag technology, IT technology and communication technology to connect things, people, processes and data to things through wired / IoT gateway provides new IoT application service by interworking with server on the Internet by converting to wireless communication (Bluetooth, Wi-Fi, ZigBee, PLC, LTE / 5G, 6LoWPAN) and TCP / IP over Ethernet protocol through IoT gateway , IoT application service is applied to various fields such as IoT appliances, smart home, smart building, smart factory, smart farm, smart health care, intelligent automobile, smart device, fire / disaster prevention, disaster safety management.

IoT devices and IoT gateways have an IoT protocol stack for IEEE 802.15.1 Bluetooth (BLE), IEEE 802.11 Wi-Fi, IEEE 802.15.4 ZigBee, IEEE 1901.2 PLC, LTE / 5G, 6LoWPAN, IEEE 802.3 Ethernet A physical layer such as a physical layer; A network layer providing access control such as IPv6, TCP, UDP, ICMP, RTP, SCTP, and QUIC, AAA, EAP, and SSL / TLS IoT network protocols; It includes a service platform for IOT services in the application layer of HTTP / HTTPS, CoAP, MQTT, XMPP, DDS, SIP, DNS and SSDP.

The RTOS for IoT devices provides message integrity and encryption at the data link layer such as tinyOS, Contiki, and RIOT.

IoT device (BLE node, Wi-Fi node, ZigBee node, etc.) - IoT Gateway (agent) -router - Application server -

- LoRa base station (uplink / downlink resource allocation and data transmission / reception) - LoRa network server (subscriber / session management) - ThingPlug (IoT platform) - Application LoRa network (IOT device using LoRa RF) server - client structure.

When using NB IoT (NarrowBand Internet of Things) terminal, NB IoT terminal - LTE base station - LTE exchange - IoT platform - Application server - client structure.

As a related art 1, Patent Document 10-2017-0093680 discloses a resource unit configuration method for uplink signal transmission of a NB IOT (Narrowband Internet of Things) terminal in a 3GPP LTE / LTE-Advanced system, A technique for setting a transmission resource for transmitting an HARQ ACK / NACK of an NB IoT terminal that transmits / receives data using a band is known. In particular, an embodiment provides a method for transmitting an uplink signal by a NarrowBand IoT terminal, comprising: receiving downlink data from a base station; generating HARQ ACK / NACK feedback information for downlink data; and generating HARQ ACK / And transmitting the information to the base station via a Narrowband Physical Uplink Shared Channel (NPUSCH), wherein the NPUSCH is mapped to a resource unit consisting of M subcarriers and K slots. to provide.

As a related art 2, Patent Publication No. 10-2017-0107878 discloses " Uplink data transmission method and apparatus of NB-IoT terminal ", and in the 3GPP LTE / LTE-Advanced system, NB IoT (NarrowBand Internet of What is involved in the uplink data transmission and reception technology of the terminal. More specifically, the present invention relates to a method and apparatus for allocating resources of an uplink data channel of an NB IoT terminal that transmits and receives data using a narrow band. One embodiment provides a method for transmitting uplink data by a NarrowBand Internet of things (NB IoT) terminal, comprising: receiving downlink control information (DCI) including a sub-carrier indication field from a base station; Setting a radio resource of an uplink data channel based on at least one of a carrier indication field and subcarrier spacing information set in an NB IoT terminal, and transmitting uplink data using a radio resource of an uplink data channel A method and an apparatus are provided.

As a related art 3, Patent Registration No. 10-17373450000 discloses a " method and apparatus for authenticating an IoT device in a cloud-based IoT system ", and the IoT device is an IoT device for authenticating another IoT device, A communication unit for receiving the encrypted data generated by the cloud server from the cloud server and for receiving the first authentication code generated by the other IoT device and transmitted through the cloud server to extract the anonymous identity by decrypting the encrypted data, And an authentication unit for authenticating another IoT device based on a result of comparison between the first authentication code and the second authentication code.

However, the IoT network security has been studied in the Internet Protocol Smart Objects (IPSO), OneM2M, etc., and the IoT device control and object Internet security management standards are being reviewed. Gateways do not support super-connectivity security features that support different hardware resources, communication methods, and security architectures.

In addition, IoT terminals differ in hardware, operating system, and communication method for each manufacturer, so interoperability between IoT standard terminals and non-standard terminal service layers is required.

Patent Publication No. 10-2017-0093680 (published on Aug. 16, 2017), "Method and apparatus for configuring resource units for uplink signal transmission of NB-IoT terminal" Patent Publication No. 10-2017-0107878 (published on Sep. 26, 2017), "Uplink Data Transmission Method and Device of NB-IoT Terminal", Keitai Corporation Patent Registration No. 1017373450000 (registered on May 12, 2017), "Method and Apparatus for Authentication of IoT Device in Cloud-based IoT System", Ajou University Industry-Academic Cooperation Foundation

The object of the present invention to solve the problems of the prior art is to provide a web platform for a web client, a server platform and a middleware by providing a OneM2M international standard Internet platform for ensuring interoperability between OneM2M IoT standard terminal and non- OneM2M IoT standard terminal and non-standard terminal which can control each terminal by using OneM2M international standard regardless of the operation structure of various platforms according to things Internet terminal (things) through communication unit Based Internet platform system for the Internet.

In order to achieve the object of the present invention, an international standard-based object Internet platform system for ensuring interoperability between a OneM2M IoT standard terminal and a non-standard terminal includes a real-time terminal of Things Internet terminals (things including OneM2M IoT standard terminal and non- A web client of the user receiving monitoring and control requests and responses; A server platform connected through the web client and the web server for transmitting / receiving and storing data of the low-level Internet terminals (Things), managing the data, and verifying the object Internet service; And middleware for controlling the lower-level Internet terminals according to a platform as a medium for connecting the server platform and lower-level Internet terminals (Things). And Things Internet terminals including the OneM2M IoT standard terminal and the non-standard terminal.

Also, the international standard based Internet platform system for ensuring interoperability includes a web client receiving real-time terminal monitoring and control requests and responses of things Internet terminals (Things); A server platform connected through the web client and the web server for transmitting / receiving and storing data of the low-level Internet terminals (Things), managing the data, and verifying the object Internet service; And middleware for controlling the lower-level Internet terminals according to a platform as a medium for connecting the server platform and lower-level Internet terminals (Things). And Things Internet terminals including the IoT standard terminal and the non-standard terminal,

If the object Internet terminal does not have its own server, it is connected to a server platform conforming to the Internet standard through the middleware,

In the case of Internet terminals using a Cloud API that provides a cloud-based IoT service and has its own server, the communication unit of its own server is provided with an HTTP communication module, Server platform.

According to the present invention, the OneM2M-based object Internet platform system for ensuring interoperability between OneM2M IoT standard terminal and non-standard terminal is an international standard for ensuring interoperability between OneM2M IoT standard terminal and non-standard terminal using different platforms By providing the object Internet platform, it is possible to control each terminal using the international standard irrespective of the operation structure of various platforms existing according to the object Internet terminal.

By providing the control and resource monitoring function through the Web client, the user can freely access and utilize through the user interface.

Although the M2M service platform in the existing service provider domain has a limited structure depending on its own service, the Internet platform of Things has changed into a structure of an open common platform capable of accommodating various devices and accommodating various application services based on sharing of data have. Future Internet platform is expected to develop including data distribution processing function, data sharing function through open API, big data analysis function in device connection and data collection / provision function, and technology enabling intelligent service.

FIG. 1 is a block diagram of a one-by-one Internet platform system based on the OneM2M international standard for ensuring interoperability between a OneM2M IoT standard terminal and a non-standard terminal according to the present invention.
FIG. 2 is a diagram illustrating a common platform operation procedure based on the OneM2M international standard for object Internet terminal control through middleware.
FIG. 3 is a diagram illustrating an object Internet service verification procedure using a OneM2M international standard-based verification module.
4 is a diagram illustrating a structure of an MQTT message fixed header including a priority level.
5 is a block diagram of a priority-based MQTT system.
FIG. 6 is a diagram showing one subscriber and an MQTT communication protocol through N publishers and a broker.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of an international standard-based Internet platform system for ensuring interoperability between a OneM2M IoT standard terminal and a non-standard terminal according to the present invention.

OneM2M IoT An international standard-based Internet platform system and method for ensuring interoperability between standard and non-standard terminals is based on the Internet standard (Things - OneM2M IoT standard terminal or nonstandard terminal) running on different platforms So that users can freely access and utilize them.

The Internet standard based on the international standard for ensuring the interoperability between the OneM2M IoT standard terminal and the nonstandard terminal of the present invention can be realized in real time by using the web client 100 and real time information of Things Internet terminals including OneM2M IoT standard terminal and non- A Web client 100 of a user receiving terminal monitoring and control requests and responses;

A server platform 200 connected to the web client 100 through a web server and configured to send / receive and store data of things in the low-level Internet terminals (Things), and to manage and manage the objects Internet service;

Middleware 300 for controlling the lower-level Internet terminals according to a platform as a medium for connecting the server platform 200 and lower-level Internet terminals (Things); And

A Things Internet terminal (Things) including the OneM2M IoT standard terminal and the non-standard terminal,

The server platform and the middleware perform a procedure for ensuring interoperability between the OneM2M IoT standard terminal and the non-standard terminal,

The web client 100 and the server platform 200 use the HTTP / HTTPS protocol or the MQTT protocol. The server platform 200, the middleware, the middleware 300, and the Internet terminal exchange data using the MQTT protocol.

Things Internet terminals (Things) include OneM2M IoT standard terminals and other non-standard terminals.

The server platform 200 receives a message from the external application in accordance with the Internet standard OneM2M message format and delivers the message to the middleware 300.

The middleware 300 analyzes the received message, processes the application request according to the platform of each object Internet terminal (Things), and transmits / receives data.

If the Things Internet terminal does not have its own server, it is connected to a server platform conforming to the OneM2M international standard through the middleware,

In the case of Internet terminals using a Cloud API that provides a cloud-based IoT service and has its own server, the communication unit of its own server is provided with an HTTP communication module, And communicating with the server platform.

FIG. 1 is an overall system configuration diagram of an object Internet platform based on OneM2M international standard for ensuring interoperability between a OneM2M IoT standard terminal and a non-standard terminal.

The user can receive the service execution interface through the web client 100 and control the object Internet terminal at a remote place. The terminal can be divided into terminal control having a solution through its own server and terminal control through middleware .

The server platform 200 is a medium for connecting the middleware 300 and the web client 100. The server platform 200 transmits data received from the external application to the middleware 300 or transmits the terminal data received from the middleware 300 to the database 300. [ And sends it back to the web client. The server platform 200 includes an international standard platform based verification module 211 and an event handler 220 for providing a customized service in a specific scenario set by the user.

The middleware 300 includes a communication unit 320, a terminal information searching unit 310, and a service executing unit 330.

The communication unit 320 transmits and receives data to and from the server platform 200 and the terminal information searching unit 310 obtains information on things Internet terminals connected to the network such as the middleware 300.

The service execution unit 330 includes a message decode module 331, a platform classification module 332, a platform API conversion module 333, and a service execution module 334.

The message decode module 331 analyzes data received from the server platform 200 and classifies the data according to the object internet terminal platform in the platform classification module 332. [

The platform API conversion module 333 changes the API to an API conforming to the terminal requested to be controlled (Things - OneM2M IoT standard terminal or nonstandard terminal) and executes the control command finally in the service execution module 334, . The object Internet terminal having the solution through its own server of the cloud-based IoT service platform performs a direct control request using the REST API in the server platform 200 without passing through the middleware 300. [

The web-based monitoring module 101 can visually confirm the status of a Things Internet (Things-OneM2M IoT standard terminal or non-standard terminal) that changes in real time through communication with the server platform 200. [

○ User

The web client 100 includes a web-based monitoring / control module 101. The web-based monitoring / control module 101 transmits a control request for lower-level terminals through a user interface (UI) A terminal control request is transmitted to the server platform 200 as a module for receiving and controlling a response. The web based monitoring / control module 101 can visually confirm the status of the lower terminals in real time.

○ Server platform

The server platform 200 is a server platform conforming to the OneM2M international standard for the Internet of Things, and includes a object Internet service verifying unit 200, an event handler 220, a communication unit 230, a registration unit 240, a web server 273, And a database 270.

The object Internet service verifying unit 200 includes an international standard platform based verification module 211 And the international standard platform based verification module 211 receives the standard based verification request from the web client 100 through the interworking with the server platform 200 conforming to the Internet standard OneM2M to test for the CRUD function in the module Run the case. In each test case, CRUD (Create, Retrieve, Update, Delete) requests are sent, and the response is analyzed to confirm that the system is implemented on an international standard basis.

The event handler 220 includes an event monitoring module 221 and an event processing module 222.

The event monitoring module 221 includes an event handler module 221 for providing a customized IoT service in a specific scenario (e.g., a door lock opening / closing scenario) set by the user. At this time, if the specific scenario situation set by the user is satisfied It monitors the values stored in the database and determines the satisfaction condition.

Event handling module 222 processes a scheduled event when the user is satisfied with the configuration specific scenario situation (e.g., turns on the bulb when the door lock is opened or closed).

The communication unit 230 is connected to the event handler 220 and includes an MQTT communication module 231 and an HTTP communication module 232.

The MQTT communication module 231 establishes a connection with an MQTT broker for MQTT communication with the external application and the middleware 300 in the server platform 200 and performs a Subscribe / Publish operation.

The HTTP communication module 232 is a module for connecting with an HTTP server for HTTP communication with an external application and middleware in the server platform 200 and giving an HTTP response according to an HTTP request (GET, POST, PUT, DELETE) request.

The registration unit 240 is connected to the communication unit 230 and includes a terminal registration module 241. The terminal registration module 241 registers the resources of the terminal Things from the middleware 300 and the cloud-based service platforms 700, 710, 720, Upon receipt of the creation request, it is a module that stores it in the database according to the OneM2M international standard resource model.

The terminal information database 270 is interlocked with the web server 273 and is connected to the event handler 220 and the registration unit 240. The terminal information database 270 stores the state information about the low-level Internet terminals according to the OneM2M international standard resource model do.

The web server 273 is connected to the web client 100.

For reference, as shown in FIGS. 4 to 6, the MQTT system having priority is briefly supplemented.

Referring to FIG. 4, the priority-based MQTT system uses an MQTT message fixed header including priority information.

The MQTT message fixed header includes a 4-bit message type, a 1-bit DUP flag for checking whether a duplicate message is received, a 2-bit QoS level, and whether the broker stores messages (0.stored, 1: stored) Bit RETAIN, 6-bit Reserved, 2-bit Priority Level flag, and 8-bit Remaining Length indicating the length of the message payload.

The priority level flag of the fixed header of the modified MQTT message consists of 2 bits and has priority of 4 levels from Priority Levels 0 to 3. The higher the number, the higher priority messages and the urgent or important messages.

In another embodiment, the priority level flag of the MQTT message fixed header is composed of 2 bits, and the priority level of the MQTT message is set to 5, 6, 0, 6, 0 to 7, , 7, and 8, and is an urgent or important message having a higher priority as the number is higher.

5 is a block diagram of a priority-based MQTT system.

A priority-based MQTT system that provides differential IoT services

In an IoT system using the Message Queue Telemetry Transport (MQTT) protocol, N publishers;

(Broker) receives a PUBLISH type message (Topic, Data, Priority) from the N publishers and the broker reads each message and parses MQTT header, message payload, message type If the PUBLISH type is used, the priority level is checked and enqueued to a message queue having the corresponding priority level to handle a message. When a broker receives a plurality of messages simultaneously from a publisher, a broker that processes a message having a high priority in order from a plurality of message queues according to a priority and publishes a message by dequeuing from the corresponding message queue; And

And a subscriber that receives and subscribes to a non-PUBLISH type message or a PUBLISH type message from the broker,

Upon receiving the PUBLISH type message, the broker inserts the message into each message queue of, for example, four independent message queues according to the priority information of the MQTT message fixed header, The messages are processed in order from the message queue with high priority to provide differential services.

The priority-based MQTT system has four independent message queues according to priority levels (0, 1, 2, 3). Another approach is to use Priority Queue, or use one Queue and sort by priority. However, because of the additional sorting overhead of sorting internally, even with priority sorting through efficient sorting algorithms, independent message queues (four message queues) are constructed. When a broker receives a PUBLISH-type message from a client, the broker inserts it into each message queue of four independent message queues according to the priority information of the MQTT message fixed header, and processes the messages in order from the queue having a higher priority .

FIG. 6 is a diagram showing one subscriber and an MQTT communication protocol through N publishers and a broker.

○ Middleware

The middleware 300 includes a terminal information search unit 310, a communication unit 320, and a service execution unit 330.

The terminal information search unit 310 includes a terminal search module 311. The terminal search module 311 is a module for obtaining terminal information on things Internet terminals connected to the network through the middleware 300, Discovery method used in each terminal platform is used.

The communication unit 320 includes an MQTT communication module 321. The MQTT communication module 321 is connected to the MQTT broker for MQTT communication with the server platform and the sensor devices in the middleware and subscribe / publish.

The service execution unit 330 includes a message decode module 331, a platform classification module 332, a platform API conversion module 333, and a service execution module 334.

The message decode module 331 is a module for analyzing message data by parsing the header and data of the message when the message is transferred from the server platform 200 to the middleware 300 according to the OneM2M international standard message format.

The platform classification module 332 is a module for analyzing data by the message decode module 331, and then determining what platform the terminal to control conforms to IoT standard / non-standard.

The platform API conversion module 333 is a module for converting a message requested to be controlled according to the platform identified by the platform classification module 332 into an OPEN API provided from each platform (e.g., Philips, AllSeal Alliance).

The service execution module 334 is a module that directly transmits an execution request to the device of the corresponding object Internet terminal by using the OPEN API for each platform.

○ Things Internet terminal (Things)

The things Internet terminal Things including a OneM2M IoT standard terminal or a nonstandard terminal includes a communication unit and the communication unit 400 includes a Wi-Fi communication module 410. The Wi-Fi communication module 410 includes a Wi- Using the device API of It is a module that communicates with middleware through Wi-Fi communication module. Basically, Wi-Fi communication module is built in for the Internet terminal product, and communication is possible through OPEN API which is a device API.

○ Cloud-based IoT Service

Nest server, and Foobot server, in case of using a cloud API that provides a cloud-based IoT service in a cloud-based IoT service platform, in case of a terminal having its own server, the communication unit 700 of the own server uses the HTTP communication module 710 With (E.g., a Nest server, a Foobot server) for communication with the server platform 200 in order to communicate with the server platform 200 in the case of terminals having its own server.

In the cloud-based IoT service platform, the things Internet terminals (Things) including the OneM2M IoT standard terminal or the non-standard terminal include the communication unit 720, the communication unit 720 includes the Wi-Fi communication module 730, The Wi-Fi communication module 730 uses the device API of the IoT terminal It communicates with middleware via Wi-Fi communication module and communicates via OPEN API which is cloud API.

FIG. 2 is a diagram illustrating a common platform operation procedure based on the OneM2M international standard for object Internet terminal control through middleware.

The server platform 200, the middleware, the middleware 300 and the Internet terminal use the MQTT protocol between the node and the node, that is, the web client 100 and the server platform 200 use the HTTP / HTTPS protocol or the MQTT protocol. And transmits and receives data.

Before the user controls the things Internet terminal (Things) remotely, the information of the Internet terminal should be stored in the middleware and the server platform. As a procedure for this, the middleware saves the object Internet terminal information in the middleware by performing information discovery about the object Internet terminal, and transmits the object internet terminal information to the server platform through the communication module. The object Internet terminal information (hereinafter referred to as terminal information) includes a device ID, a type of IoT protocol, state information (e.g., door lock / unlock), and a sensor value.

The server platform stores the received terminal information in the database and updates the terminal information in a database connected to the web server for web based monitoring and terminal control. After the terminal information setting is completed, when the user accesses the web server, terminal information is requested to the server platform, and the terminal control response and terminal status information for the terminal controlled by the middleware are transmitted to the web client through the following process .

The actual terminal control request is made through the service execution interface of the web client and the terminal control request is transmitted to the server platform. The server platform transmits the received terminal control request back to the middleware. The service execution unit of the middleware parses the MQTT header and data to decode the message. The IOT terminal classifies the IoT protocol and the terminal using the platform After passing through the platform classification module, the platform API conversion module for converting to the device API, and the service execution module, the things Internet terminals (Things) are ultimately controlled through the terminal control API.

Thereafter, a response to the user terminal control request is transmitted from the Internet terminal to the web client through the middleware and the server platform, and the internet terminal status of the object is updated in the server platform database and the web-based monitoring / control module.

FIG. 3 is a diagram illustrating an object Internet service verification procedure using a OneM2M international standard-based verification module.

(1M2M) standard verification module, if the web client receives the request based on OneM2M standard verification module with the international standard platform based verification module (OneM2M standard verification module) of the server platform through interworking with the server platform conforming to the OneM2M international standard, Retrieve, Update, Delete) function. In each test case, the CRUD request is sent, the CRUD response is received, and the CRUD response is analyzed to send the standard verification result from the standard verification module of the server platform to the web client. The user can confirm that the IoT system is implemented based on the OneM2M international standard Check.

Also, the international standard based Internet platform system for ensuring interoperability includes a web client receiving real-time terminal monitoring and control requests and responses of things Internet terminals (Things); A server platform connected through the web client and the web server for transmitting / receiving and storing data of the low-level Internet terminals (Things), managing the data, and verifying the object Internet service; And middleware for controlling the lower-level Internet terminals according to a platform as a medium for connecting the server platform and lower-level Internet terminals (Things). And Things Internet terminals including the IoT standard terminal and the non-standard terminal,

If the object Internet terminal does not have its own server, it is connected to a server platform conforming to the Internet standard through the middleware,

In the case of Internet terminals using a Cloud API that provides a cloud-based IoT service and has its own server, the communication unit of its own server is provided with an HTTP communication module, Server platform.

According to the present invention, the Internet platform and method based on the international standard for ensuring interoperability can provide a OneM2M IoT standard terminal and a non-standard terminal interoperability guaranteeing oneM2M IoT standard It is possible to control each IoT terminal using the OneM2M international standard irrespective of the operation structure of various IoT platforms existing according to things Internet terminals (Things) such as terminals and non-standard terminals.

By providing the control and resource monitoring function through the Web client, the user can freely access and utilize through the user interface.

Although the M2M service platform in the existing service provider domain has a limited structure depending on its own service, the Internet platform of Things has changed into a structure of an open common platform capable of accommodating various devices and accommodating various application services based on sharing of data have. Future Internet platform is expected to develop including data distribution processing function, data sharing function through open API, big data analysis function in device connection and data collection / provision function, and technology enabling intelligent service.

Embodiments according to the present invention may be implemented in the form of program instructions that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The computer-readable recording medium may be any type of storage medium such as magnetic media such as storage, hard disk, floppy disk and magnetic tape, optical media such as CD-ROM, DVD, magnetic recording media such as floppy disks, Any type of hardware device configured to store and perform program instructions, such as magneto-optical media, and ROM, ROM, flash memory, and the like, may be included. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like. Such hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that various modifications and changes may be made without departing from the scope of the present invention.

100: Web client 101: Web-based monitoring / control module
200: server platform 210: object Internet service verification unit
211: International standard platform based verification module
220: Event Handler 221: Event Monitoring Module
222: Event processing module 230:
231: MQTT communication module 232: HTTP communication module
240: registration unit 241: terminal registration module
270: terminal information database
300: Middleware 310:
311: terminal search module 320:
321: MQTT communication module 330: Service execution part
331: Message Decode Module 332: Platform Classification Module
333: Platform API conversion module 334: Service execution module
400: communication unit 410: Wi-Fi communication module
700: communication unit 710: HTTP communication module
720: communication unit 730: Wi-Fi communication module

Claims (13)

A web client of a user receiving real-time terminal monitoring and control requests and responses of things Internet terminals (Things) including OneM2M IoT standard terminal and non-standard terminal;
A server platform connected through the web client and the web server for transmitting / receiving and storing data of the low-level Internet terminals (Things), managing the data, and verifying the object Internet service; And
Middleware for controlling the lower-level Internet terminal according to a platform as a medium for connecting the server platform and lower-level Internet terminals (Things); And
OneM2M international standard based object Internet platform system for interoperability assurance, including the OneM2M IoT standard terminal and Things Internet terminal including the nonstandard terminal. The method according to claim 1,
The server platform, the middleware, the middleware, and the Internet terminal use the OneM2M international standard for ensuring interoperability to transmit and receive data using the MQTT protocol, and the server platform, the middleware, and the Internet terminal use the HTTP / HTTPS protocol or the MQTT protocol. Based objects Internet platform system. The method according to claim 1,
The server platform is a server platform conforming to the OneM2M international standard for Internet of Things,
International standard platform based verification module Based verification request is received from the web client through an interworking with the server platform conforming to the OneM2M Internet standard of OneM2M, the test case for the CRUD function in the module is executed. In each test case, a CRUD (Create, Retrieve, Update , Delete request), analyzing the response to the response, and verifying that the system is implemented based on the OneM2M international standard;
Event handler;
A communication unit connected to the event handler;
And a terminal registration module, wherein the terminal registration module receives a resource creation request of things Internet terminals (things) from the middleware and the cloud-based service platform, and transmits the device ID, the type of IoT protocol, A registration unit for storing object Internet terminal information including sensor values in a database according to an international standard resource model;
A terminal information database which is connected to the event handler and the registering unit and is interlocked with the web server and stores status information about the lower-level Internet terminals according to the OneM2M international standard resource model;
A web server connected to the web client;
OneM2M international standards-based Internet platform system to ensure interoperability. The method of claim 3,
The event handler
An event monitoring module that monitors values stored in a database and determines a satisfaction condition, in order to provide a customized IoT service in a specific scenario (e.g., door lock opening / closing) set by a user, And
OneM2M international standards-based Internet platform system for interoperability assuring interoperability, including an event handling module that handles a scheduled event (eg, turns on the bulb when the door lock is turned on) when the user has satisfied the configuration specific scenario situation. The method of claim 3,
The communication unit
An MQTT communication module for connecting to an MQTT broker for MQTT communication with the external application and the middleware in the server platform, and performing Subscribe / Publish; And
An HTTP communication module for connecting to an HTTP server for HTTP communication with an external application and middleware in the server platform and providing an HTTP response according to a HTTP request (GET, POST, PUT, DELETE) request, and a OneM2M International Standards based Internet platform system. The method according to claim 1,
The middleware
A module for obtaining information on things Internet terminals connected to the network via the middleware and including a terminal search module using a discovery method used in a platform of each terminal;
A communication unit connected to the MQTT broker for MQTT communication with the server platform and the sensor devices in the middleware and having an MQTT communication module for Subscribe / Publish; And
A service execution unit;
OneM2M international standards-based Internet platform system to ensure interoperability. The method according to claim 6,
The service execution unit
A message decode module for parsing the header and data of the message and analyzing the message data when the message is delivered to the middleware according to the OneM2M international standard message format from the server platform;
A platform classification module for analyzing data by the message decode module and confirming what platform the terminal to control conforms to IoT standard / non-standard;
A platform API conversion module for converting a message requested to be controlled according to a platform identified by the platform classification module into an OPEN API provided by each platform; And
A service execution module for transmitting an execution request directly to a device of the object Internet terminal by using an OPEN API for each platform;
OneM2M international standards-based Internet platform system to ensure interoperability. The method according to claim 1,
The object Internet terminal
And a communication unit having a Wi-Fi communication module as a things Internet terminal including a OneM2M IoT standard terminal or a nonstandard terminal, OneM2M international standards-based Internet platform system to ensure interoperability, communicated to middleware via Wi-Fi communication module. The method according to claim 1,
In Cloud-based IoT Service Platform, Cloud API that provides cloud-based IoT service is used. In case of terminals that have its own server, the communication part of its own server has HTTP communication module Server platform,
Things Internet terminals (things) including a OneM2M IoT standard terminal or a nonstandard terminal include a communication unit, and the communication unit includes a Wi-Fi communication module and uses the device API of the IoT terminal The OneM2M international standards-based Internet platform system for interoperability, communicating with middleware via Wi-Fi communication module and communicating via OPEN API, a cloud API. The method according to claim 1,
If the object Internet terminal does not have its own server, it is connected to a server platform conforming to the OneM2M international standard through the middleware,
In the case of Internet terminals using a Cloud API that provides a cloud-based IoT service and has its own server, the communication unit of its own server is provided with an HTTP communication module, OneM2M international standards based object Internet platform system for interoperability to communicate with server platform. The method according to claim 1,
The object Internet terminal information is stored in the middleware and the server platform before controlling the things Internet terminal at a remote place. As a procedure for the object internet terminal information, the middleware discovers information about the object Internet terminal, The Internet terminal information is transmitted to the server platform through the communication module, and the object Internet terminal information includes a device ID, a kind of IoT protocol, state information (e.g., door lock / unlock), a sensor value ≪ / RTI &
The server platform stores the received object Internet terminal information in a database and updates terminal information in a database connected to the web server for web based monitoring and terminal control. After the terminal information setting is completed, the server accesses the web server When the server platform requests terminal information,
The actual terminal control request is transmitted through the service execution interface of the web client, and a terminal control request is transmitted to the server platform. After transmitting the terminal control request to the middleware, the service execution unit of the middleware transmits the MQTT header and data A platform decryption module for decrypting a message, a platform decryption module for decrypting a message, a platform decryption module for deciding which IoT protocol and platform the IoT terminal uses, a platform API conversion module for converting to a device API, and a service execution module, Controls things Internet terminals (things) via control API,
Thereafter, a terminal control response to the terminal control request of the user is transmitted from the Internet terminal to the web client through the middleware and the server platform, and the state of the Internet terminal is updated to the database of the server platform and the web-based monitoring / OneM2M international standards-based Internet platform system to ensure interoperability. The method according to claim 1,
If you receive a request based on the OneM2M standard as an international standard platform based verification module (OneM2M standard verification module) of the server platform conforming to the Internet OneM2M international standard from the above Web client, CRUD (Create, Retrieve, Update, Delete ) Function. In each test case, a CRUD request is sent, a CRUD response is received, a CRUD response is analyzed, a standard verification result is transmitted from the standard verification module of the server platform to a web client, Is a OneM2M international standards-based Internet platform system for interoperability ensuring that the IoT system is implemented on the basis of the OneM2M international standard.
A web client for receiving real-time terminal monitoring and control requests and responses of things Internet terminals (Things) including IoT standard terminals and non-standard terminals;
A server platform connected through the web client and the web server for transmitting / receiving and storing data of the low-level Internet terminals (Things), managing the data, and verifying the object Internet service; And
Middleware for controlling the lower-level Internet terminal according to a platform as a medium for connecting the server platform and lower-level Internet terminals (Things); And
(Things) including the IoT standard terminal and the non-standard terminal,
If the object Internet terminal does not have its own server, it is connected to a server platform conforming to the Internet standard through the middleware,
In the case of Internet terminals using a Cloud API that provides a cloud-based IoT service and has its own server, the communication unit of its own server is provided with an HTTP communication module, OneM2M international standards based object Internet platform system for interoperability to communicate with server platform.

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