An effort was made to shore up the Open Door in 1921-22 at the Washington Naval Conference, but a challenge was again mounted by the Japanese in the 1930s as they expanded their control in Manchuria. China would not be recognized as a sovereign state until after World War II.
The maximum number of connections across SQL Server versions and editions is 32,767. You can determine how many connections SQL Server currently has by looking at:
Knowing that one OS can handle 100,000 such connections with a trivial server and another can handle 50,000 will allow you to rule out the latter OS entirely, which could save you wasted days porting and tuning where failure was a certainty from the beginning. Very informative article.