Poster: QUIC is not Quick Enough over Fast Internet


QUIC is a multiplexed transport-layer protocol over UDP and comes with enforced encryption. It is expected to be a game-changer in improving web application performance. Together with the network layer and layers below, UDP, QUIC, and HTTP/3 form a new protocol stack for future network communication, whose current counterpart is TCP, TLS, and HTTP/2. In this study, to understand QUIC’s performance over high-speed networks and its potential to replace the TCP stack, we carry out a series of experiments to compare the UDP+QUIC+HTTP/3 (QUIC) stack and the TCP+TLS+HTTP/2 (HTTP/2) stack. Preliminary measurements on file download reveal that QUIC suffers from a data rate reduction compared to HTTP/2 across different hosts.

Proceedings of the 23nd ACM Internet Measurement Conference
Shuowei Jin
Shuowei Jin
PhD Candidate at University of Michigan CSE

My research interests include systems for ML, ML for systems, and mobile network systems.