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:
How many databases can SQL server express handle. I'm running a SQL EXPRESS 2005 server currently hosting ~50 databases. The databases serve clients' CMS/eCommerce websites. The connections are to a single instance, no user attached instances are being used. Median DB size is 5MB, the largest 20MB.