But first…. Are we really at http/3? and what the heck is IETF QUIC? QUIC is a new networking transport protocol that combines the features of TCP, TLS, and more. HTTP/3 is the latest version of HTTP, the protocol that carries the vast majority of Web traffic. HTTP/3 only runs over QUIC.
Why do we need this? Blame the xennials. Not really, but really. The vast majority of web traffic that will be carried over this is the top sites today: netflix, twitch, tiktok, Facebook.
Read more on the chrome blog.