public static void startServers () {
		
		replicaNA = new ServerReplica(Parameters.NA_IP_ADDRESS);
		replicaEU = new ServerReplica(Parameters.EU_IP_ADDRESS);
		replicaAS = new ServerReplica(Parameters.AS_IP_ADDRESS);
		replicaNA.start();
		replicaEU.start();
		replicaAS.start();
		
		System.out.println("NA, EU and AS servers are up and running...");
	}