for m in messages {
    for conn in match m.destination() {
    	message::Destination::All					=> {
    		connections.values()
    	},
    	message::Destination::Single(cid)			=> {
        	connections.get(cid).iter()
    	},
    	message::Destination::Include(ref list)		=> {
    		list.iter().filter_map(|cid| connections.get(cid))
    	},
    	message::Destination::Exclude(ref list)		=> {
    		connections.iter().filter(|(cid, conn)| !list.contains(cid))
    	},
    } {
        conn.outbound.send(m);
    }
}