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Suppose you see a bird walking around in a farm yard. This bird has no label that says 'duck'. But the bird certainly looks like a duck. Al…

上文浅谈TCP（1）：状态机与重传机制介绍了TCP的状态机与重传机制。本文介绍流量控制（Flow Control，简称流控）与拥塞控制（Congestion Control）。TCP依此保障网络的QOS（Quality of Service）。 设长了，重发就慢，丢了老半天才重…