延迟应答大大增加了重传队列的长度，这为攻击提供了必要条件。

Delaying acknowledgments effectively increases the size of the retransmission queue, a prerequisite for the attack.

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对于非sack测试用例，我使用客户机报告的延迟应答队列的典型长度作为发送方窗口大小的近似值。

For the non-SACK test cases, I used the typical length of the delayed ACK queue reported by the client as an approximation of the lower bound of the sender's window size.

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在传输延迟的应答时客户机选择SACK选项的值。

The client selects the value of its SACK options whenever transmitting a delayed ACK.

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