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QUIC必看
2022-06-09 12:40:00 【little-peter】
简介:
2012年,Google设计的一种实验性的网络传输协议,基于UDP协议,将其命名为QUIC。
18年,互联网工程任务组HTTP及QUIC工作小组正式将基于QUIC协议的HTTP重命名为HTTP/3,以为确立下一代规范做准备(说明QUIC是HTTP/3的重要组成部分)
问题:QUIC属于传输层?应用层?
答:
QUIC的优点
- ‘通过减少往返次数(RTT),以缩短建立连接时间
- 独立的数据流避免阻塞问题
- 使用FEC(前向纠错)恢复丢失的包,以减少超时重传
https://blog.csdn.net/yuanchunsi/article/details/70244569
4.连接迁移
每个连接过程都有·一组连接标识符,或称连接ID。利用连接ID的优势,连接可以在IP地址和网络接口迁移的情况下得到保持
举个栗子:使用连接ID表示一个连接,使得切换网络环境如从4G到WIFI仍然能使用之前的连接
https://blog.csdn.net/b2222505/article/details/79391430
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