Neat. And those diagrams will also make understanding it a lot simpler than plain text would.
Will you be giving a link to the book-store to conitec? I think if you had it on their "link" site many people would check it out.

On a side note, I find one of the hardest aspects of multiplayer projects the proper disconnection proces... it's weird, but I find that difficult: clearing a player's data on all connected pcs so that a new client could join... sorry. This just came to mind when I read the last posts.