the Async part is quite well Understandable, but how do they combine the sync part , when the user see the other player moves
when he stay in the current session .
does it make poll requests every N seconds?
what is the architecture of the server behind such game that mix Async and Sync game
i open to suggestion about server language or architecture i can use any ,,,
my client is c++ and i open to embed any thing in the client .