+1 to this. QUIC allows using CUBIC BBR [1], so a comparison based on the exact parameters used is actually comparing the exact parameters used. The performanc

+1 to this. QUIC allows using CUBIC BBR [1], so a comparison based on the exact parameters used is actually comparing the exact parameters used. The performance effects of QUIC implementing congestion control in userland are more interesting. OTOH, QUIC allows deploying new features to users (through cronet) in an efficient way. TCP does not. [1] https://chromium.googlesource.com/chromium/src/net/+/master/quic/core/congestion_control/bbr_sender.cc https://chromium.googlesource.com/chromium/src/net/+/master/... > [Disclaimer: I've worked with some of the people who wrote BBR and QUIC, so I'm biased.] Ditto