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更新计算机网络中三次握手详情图 #1307

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Snailclimb merged 1 commit into from
Aug 4, 2021
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更新计算机网络中三次握手详情图 #1307

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4 changes: 4 additions & 0 deletions docs/network/计算机网络.md
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Expand Up @@ -110,6 +110,10 @@
- 服务端–发送带有 SYN/ACK 标志的数据包–二次握手–客户端
- 客户端–发送带有带有 ACK 标志的数据包–三次握手–服务端

**详细示意图（图片来源不详）**

![](https://user-images.githubusercontent.com/52881289/128109410-b3619cfa-ce64-4f69-86ac-ececa4e014e4.png)

### 2.2 为什么要三次握手

**三次握手的目的是建立可靠的通信信道，说到通讯，简单来说就是数据的发送与接收，而三次握手最主要的目的就是双方确认自己与对方的发送与接收是正常的。**
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