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This article mainly introduces what are the functions of the four levels of the Internet of things, which has a certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let's take a look at it.

The four layers of the Internet of things: 1, perception layer, responsible for the collection and acquisition of Internet of things information; 2, network layer, transfer the information collected by perception layer to the cloud platform of Internet of things; 3, platform layer, mainly solve the problems of data storage, retrieval, use and data security and privacy protection; 4, application layer, mainly used to process information.

The operating environment of this tutorial: windows7 system, Dell G3 computer.

The Internet of things can be divided into the following four layers: perception layer, network layer, platform layer and application layer.

(1) Perceptual knowledge layer: the perceptual layer is responsible for the collection and acquisition of information in the Internet of things, which is the basis of the overall structure of the Internet of things. In the sensing layer, the sensor senses the information of the object itself and its surroundings, so the object also has the ability to "speak and publish information".

(2) Network construction layer: the network layer transmits the information collected by the perception layer to the Internet of things cloud platform, and is also responsible for passing the commands issued by the Internet of things cloud platform to the application layer, which has a link effect. The network layer mainly transmits a large amount of information through the Internet of things, the Internet and mobile communication networks.

(3) platform management: platform management mainly solves the problems of data storage, retrieval, use, data security and privacy protection.

(4) Integrated application layer: the ultimate goal of the Internet of things is to be applied in various scenarios, after the information transmitted by objects on the cloud platform of the Internet of things is processed, the valuable information excavated will be applied to real life and work such as intelligent logistics, intelligent medical care, food safety and so on.

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