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The text was updated successfully, but these errors were encountered:
我们单纯地看看TCP协议的不足和UDP的一些优点:
基于TCP开发的设备和协议非常多,兼容困难
TCP协议栈是Linux内部的重要部分,修改和升级成本很大
UDP本身是无连接的、没有建链和拆链成本
UDP的数据包无队头阻塞问题
UDP改造成本小
从上面的对比可以知道,谷歌要想从TCP上进行改造升级绝非易事,但是UDP虽然没有TCP为了保证可靠连接而引发的问题,但是UDP本身不可靠,又不能直接用。
综合而知,谷歌决定在UDP基础上改造一个具备TCP协议优点的新协议也就顺理成章了,这个新协议就是QUIC协议(即http3.0)。
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The text was updated successfully, but these errors were encountered: