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3.10 Ch3-1 传输层.md
运输层协议为运行在不同主机上的应用进程之间提供了逻辑通信功能。 运输层协议在端系统中而不是路由器实现。 在接收端,网络层从数据报中提取运输层报文段,并将该报文段向上交给运输层。 在发送端,运输层将从发送应用程序进程接收到的报文转换成 ...
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