2021-10-25 三、传输层
![](https://img.haomeiwen.com/i946850/0152c7cb92f97f60.png)
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一、传输层的基本服务
![](https://img.haomeiwen.com/i946850/890d75db81ceb784.png)
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![](https://img.haomeiwen.com/i946850/6cee6614c5f25524.png)
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![](https://img.haomeiwen.com/i946850/0f4ed2a9d4a478a9.png)
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二、传输层的复用与分解
![](https://img.haomeiwen.com/i946850/9b0a9f1fa810aa78.png)
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![](https://img.haomeiwen.com/i946850/79243150ba2888db.png)
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![](https://img.haomeiwen.com/i946850/23b63fb6c9541b46.png)
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三、 停一等协议与滑动窗口协议
![](https://img.haomeiwen.com/i946850/be9e229cfb50a0b9.png)
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![](https://img.haomeiwen.com/i946850/4fc2944388f1126c.png)
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![](https://img.haomeiwen.com/i946850/b2064549199bbcb1.png)
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四、 用户数据报协议(UDP)
![](https://img.haomeiwen.com/i946850/ebb310af4302f1b1.png)
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五、 传输控制协议(TCP)
![](https://img.haomeiwen.com/i946850/2928893463580689.png)
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![](https://img.haomeiwen.com/i946850/c81ee71e5cac47f7.png)
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![](https://img.haomeiwen.com/i946850/f81790a340637e1d.png)
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![](https://img.haomeiwen.com/i946850/694c0f3f93179fde.png)
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