Before we can sensibly talk about the solution to a problem, we need to talk about the problem itself. Why did the multiplayer for AI War 2 take me an extra two years of work, anyway?
It's a fascinating area to look at, for me at least, and the broad outlines of the solution are discussed in this video, as well. The Part 2 video will be discussing your specific capabilities within this system as a coder or modder if you're choosing to do code for the game.