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Snailclimb merged 1 commit into from
Feb 3, 2023
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- #1912

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2 changes: 1 addition & 1 deletion docs/cs-basics/network/tcp-reliability-guarantee.md
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Expand Up @@ -75,7 +75,7 @@ TCP 的拥塞控制采用了四种算法，即 **慢开始** 、 **拥塞避免*

## ARQ 协议了解吗?

**自动重传请求**（Automatic Repeat-reQuest，ARQ）是 OSI 模型中数据链路层和传输层的错误纠正协议之一。它通过使用确认和超时这两个机制，在不可靠服务的基础上实现可靠的信息传输。如果发送方在发送后一段时间之内没有收到确认信息（Acknoledgements，就是我们常说的 ACK），它通常会重新发送，直到收到确认或者重试超过一定的次数。
**自动重传请求**（Automatic Repeat-reQuest，ARQ）是 OSI 模型中数据链路层和传输层的错误纠正协议之一。它通过使用确认和超时这两个机制，在不可靠服务的基础上实现可靠的信息传输。如果发送方在发送后一段时间之内没有收到确认信息（Acknowledgements，就是我们常说的 ACK），它通常会重新发送，直到收到确认或者重试超过一定的次数。

ARQ 包括停止等待 ARQ 协议和连续 ARQ 协议。

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