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计算机网络知识学习笔记 #14

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wanCheng7 opened this issue Jul 13, 2020 · 0 comments

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wanCheng7 commented Jul 13, 2020

OSI参考模型

OSI参考模型是网络互连的七层框架，具体包含以下七层

传输层

端口号的作用

端口号可以用来标识同一个主机上通信的不同应用程序（就是哪个应用程序在使用这个端口）。

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