We are implementing bidirectional communication for the game using Socket.io on the client side and Vert.x on server side. Our main concern is to distribute co

We are implementing bidirectional communication for the game using Socket.io on the client side and Vert.x on server side. Our main concern is to distribute correctly the communication with the users with a AWS load balancer, having more than one server instances for the game. Any suggestions on how to do that in a scalable way?