Node.js by default runs on a single process and at max utilizes one CPU. To take the full advantage of a multi core system, multiple node processes can be run with a frontend proxy interfacing with the client. This scenario can be supported in node.js using the cluster module. However with websocket additionally it is […]
http://intellisignals.wordpress.com/2015/01/03/socket-io-cluster-with-nginx-as-reverse-proxy/