On: Comparing HTTP/3 vs. HTTP/2 Performance

[the_duke]

This does not mention if the tests also simulated and measured packet loss.

With a good network connection with little packet loss, I wouldn't expect much benefit to /3. Especially since all the server and client implementations are immature and in user space without kernel support.

The benefits should show up with (poor) mobile connections.

[matdehaast → the_duke]

Thanks for pointing this out! I really wish the blog would explain that better. /3 will really shine where connection has degradation.

For me the most exciting part is the seamless network switching potential of /3 on mobile devices

[zurn → the_duke]

IME cellular connections don't exhibit much packet loss. The lower level layer of the mobile network usually ensures that the packets are usually eventually delivered, they just take a while. This makes sense since internet protocols are designed to interpret packet loss as congestion and will slow down transmission when it occurs.