• 1. 应答号: acknowledgement number
• 2. 应答信号: ACK | answerback | answer signal
• 3. 否定应答信号: Negative Acknowledgement | NAK Negative acknowledgement

更多释义

• 1.这个补丁通过把已缓存的引用从一个序列号转换为指向队列中最高的包（过去已经选择性应答）的指针从而对此情况加以优化。
  The patch optimizes this case by converting the cached reference from a sequence number to a pointer to the highest packet in the queue that has been SACKed in the past.
  dict.yoduao.com
• 2.不久以后，当莱娅须要去卫兰星球时，根特在“狂野卡尔德号”上配置了一个虚假的帝国应答码，确保这艘飞船能载着她抵达目的地。
  A short time later, when Leia needed to get to the planet Wayland, Ghent rigged a fake Imperial transponder code on the Wild Karrde that allowed it to carry her there.
  dict.yoduao.com
• 3.这个相同应答的意图是让对端知道一个分片被收到的时候出现问题，并且告诉它希望得到的序列号。
  The purpose of this duplicate ACK is to let the other end know that a segment was received out of order, and to tell it what sequence number is expected.
  dict.yoduao.com

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