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物联网数据接入篇-TCP/IP模型(1)
本文介绍了OSI七层模型的概念和说明,采用 TCP/IP 的四层模型来讲。理解 TCP/IP 四层框架是学习物联网相关协议的基础。 TCP/IP模型 OSI 七层模型是一个 ...
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