add tcp
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src/content/posts/计算机网络/TCP四层模型.md
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---
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title: TCP/IP 四层模型
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published: 2025-09-22
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description: ''
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image: ''
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tags: []
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category: '计算机网络'
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draft: false
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lang: ''
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---
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# TCP/IP 四层模型
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TCP/IP 四层模型是一个分层网络通信模型,将网络通信过程分为四个层次,这四层分别是:
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- 网络接口层 以太网,WIFI,PPP
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- 网络层 IP,ICMP,ARP
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- 传输层 TCP,UDP
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- 应用层 HTTP,FTP,SMTP
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