How to solve the delay problem of German players playing the Chinese version of "Rainbow Six: Siege"?

1. Core Issues: Natural Barriers of Physical Distance and Network Infrastructure 1.1 Hard Limitation of Physical Delay The straight-line distance between Germany and China is about 8,000 kilometers. The theoretical minimum delay of optical cable signal transmission is about 130ms (one-way), and the actual two-way communication delay of games usually exceeds 200ms. This hard limit…