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2020-08-19:TCP是通过什么机制保障可靠性的?
2020-11-06 21:55:00 【福大大架构师每日一题】
福哥答案2020-08-19:
福哥口诀法:校(jiao)序确重拥流连(tcp可靠性保障机制:校验、序号、确认、重传、拥塞、流量、连接)
校验:数据是否正确。
序号:对数据编号seq。
确认:ACK。
重传:超时重传和冗余ACK重传。
拥塞控制:慢启动(慢开始)、拥塞避免、快重传、快恢复。
流量控制:根据接收端的能力决定发送端的发送速度。
连接:三次握手和四次挥手。
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https://my.oschina.net/u/4553401/blog/4514721
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