# 为什么需要QUIC

QUIC就是一个名字，不是什么的缩略词。它的发音与英语单词“quick”相同。

QUIC在许多方面可以被视为一种新型的可靠且安全的传输层协议，它适合为形似HTTP的协议提供服务，并且可以解决一些在基于TCP和TLS传输的HTTP/2协议中存在的缺点。它是合乎情理的次世代Web传输层协议。

QUIC的用途不局限于HTTP的传输。将Web与数据更快地交付给最终用户，是创造QUIC这一新型传输层协议的最大原因和源动力。

我们接下来会解释，我们为什么要创造一个新的传输层协议，以及为什么要基于UDP来实现。

![QUIC logo](/files/-LvW36QJguX0FR2qaPtX)


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