This is often the case today for load balancers or CDNs that support HTTP/2. For connections from reverse proxies the number of round trips for connection estab

This is often the case today for load balancers or CDNs that support HTTP/2. For connections from reverse proxies the number of round trips for connection establishment generally does not matter since these connections will be kept alive for a long time, across requests. I don't see why this would change with HTTP/3.