Talking about the Architecture System of Internet of Things
Tags: iot
Published: 2023-04-11 05:57:22

The challenges posed by the current Internet of Things system have given birth to a new network structure system. Over the past many years, [WiFi Wireless Module](https://www.cdebyte.com/Module-WiFi) a large number of standardized frameworks have been designed to solve many challenges and problems faced by the Internet of Things at a large scale.

At present, these frameworks all have the same basic requirement, which is to support the functional requirements of data, processes and terminal devices for execution. The most famous of these are the frameworks defined by oneM2M and the Internet of Things World Forum (IOTWF). Below I will give an in-depth introduction to the two frameworks.

oneM2M IoT standard framework. In the process of standardizing machine-to-machine communication, the European Telecommunications Standards Institute (ETSI) created an association of technical application committees on M2M in 2008. The association was created to create a standard framework to accelerate people's M2M applications and M2M devices. Later, due to the worldwide recognition of the framework, the scope was extended to the field of Internet of Things.

After the M2M Technical Committee established the framework, other organizations also began to lay out the framework of the Internet of Things. In this context, it is indispensable to specify a common M2M standard. After realizing the needs of the market, in 2012, ETSI and its member institutions launched a global initiative to unify the M2M framework. This initiative unifies the global M2M standard, accelerates the development of the Internet of Things Communication efficiency in communication systems and the Internet of Things. The purpose of the initiative is to create a common service layer, which can be directly nested into the device facilities, enabling service communication between devices. These include power grid interconnection, automotive hardware interoperability, industrial equipment health monitoring, intelligent measurement and other equipment interoperability services.

The OneM2M architecture roughly divides the functions of the Internet of Things into three architectures: application layer, service layer and network layer. Although the architecture looks very simple in the literal sense, its performance is very diverse. It not only allows each device to interoperate with each other through calling the IT networking interface, but also supports a large number of new and old IoT devices. technology. Let's take a brief look at these three layers.

Application layer: This layer is mainly concerned with communication between devices. It includes a variety of communication protocols, and attempts to API (interface) the business, and then make the communication change to standardization. Within a specific industry, the application market has its own unique design method and data collection model, so it is shown as different entities in the figure.

Service layer: This layer is the horizontal framework that interconnects industrial applications with the outside world. It includes network, underlying protocols and hardware, etc. Examples include network communication backhaul protocol, MPSL network, VPN, etc. All common based on these is the service layer.

Network layer: This layer is the layer where IoT devices and endpoint devices communicate with each other. It includes the communication between the device itself and the network to which the device is connected. This communication architecture specifically includes a wireless interface and a wireless point-to-multipoint system. At the same time, it also includes the connection between wired devices.