物聯網通信方式

要想實現物聯網，我們面臨的首要問題是：如何將設備接入互聯網？這個問題的著重點在于我們的設備和物聯網云平臺的通信方式是什么。

以下將如一列出物聯網通信方式的分類和劃歸，并在樹狀圖的最后作出注釋。

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產生這么多種通信方式的原因是：沒有哪一種通信方式可以完美的滿足所有的物聯網應用場景，所以各種各樣的通信方式應運而生。

注：

以太網是使用網線來連接，優(yōu)點是連接穩(wěn)定，數據不容易丟失。應用場景通常為工業(yè)現場，滿足了數據安全可靠傳輸的要求。

Wi-Fi是目前人們最為常用的無線技術之一。智能臺燈、智能音箱、掃地機器人等可以很方便的接入某一有限區(qū)域的WiFi中，從而訪問物聯網平臺。其優(yōu)點是具有一定程度上的私密性，較移動空中網來說更加高速和安全。

僅次于Wi-Fi的便是藍牙技術，它通常被用于短距離設備間的交換數據，如鍵盤、鼠標和藍牙耳機等等。針對物聯網發(fā)展而推出的BluetoothSmart技術，使其成為能夠繼續(xù)與Wi-Fi保持競爭的又一關鍵技術。

共享單車則較適于使用移動空中網，其優(yōu)點是覆蓋范圍大，高穩(wěn)定、高可靠、低成本。

本節(jié)資料來源：
b站用戶 自律的自由
博主 人工智能愛好者
https://blog.csdn.net/zhinengxuexi/article/details/88220027
物聯網技術分為四個層次，具體是怎么劃分的？
http://www.duozhishidai.com/article-1621-1.html

總結

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