public void sendVote(String ip, Integer chair) {
    	//receiving a vote from self
    	if (myIP.equals(ip)) {
    		receiveVote(new Vote(myIP, myIP, chair));
    	}
    	else {
    		Vote vote = new Vote(myIP, ip, chair);
    		System.out.println("Send vote for : "+ip+" chair : "+chair);
    		if (leftConnector != null) {
    		    leftConnector.sendVote(vote);
    		}
    		if (rightConnector != null) {
                rightConnector.sendVote(vote);
            }
    	}
    }