code: public RemoteAddress getAddress(String nodeID) {
  		NodeDescriptor node = nodes.get(nodeID);
  		if (node == null) {
  			return null;
  		}
  		RemoteAddress address;
  		node.readLock.lock();
  		try {
  			address = new RemoteAddress(node.host, node.port);
  		} finally {
  			node.readLock.unlock();
  		}
  		return address;
  	}
docs: --- GET SOCKET ADDRESS OF A NODE ---