Quorum
Play
ReferenceGlossary

HTTP/2 and HTTP/3

Newer versions of HTTP. HTTP/2 sends many requests at once over one TCP connection. HTTP/3 runs over QUIC on UDP, which combines the transport and TLS handshakes and stops one lost packet from stalling every stream.

Network

In Quorum#

HTTP/3 is Series C Research that needs HTTP/2. It cuts the round trips a user pays to reach a region on another continent by 20%: a European user served from North America waits 120 ms instead of 150 ms. HTTP/2 research has no effect of its own yet; you research it to unlock HTTP/3.

HTTP keep-alive, GeoDNS, Tail at scale

Learn more#