Breaching China's Great Firewall is hard. Pushing packets faster than 1Mbps once through is the Boss Fight

Network boffin finds packets headed into China go AWOL yet packets coming out do just fine

79 percent of internet traffic flows into China struggle to flow faster than 1Mbps, but the Great Firewall is probably not to blame.…

via The Register - Data Centre: Networks
https://go.theregister.com/feed/www.theregister.com/2020/08/20/mysterious_china_packet_loss/