VPN tunnels between US and China dropping/slow

Adam Rothschild asr at latency.net
Tue May 10 17:10:46 UTC 2011

Realize also that China Telecom is congested both internally and on
certain peering interfaces.

While DPI is a likely culprit, be sure to not overlook a good
old-fashioned inability to manage capacity, combined with certain
hashing algorithms...


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