code: private void addToRing(String host) {
  		Cell newCell = new Cell();
  		newCell.m_hostName = host;
  		if (m_cellRing == null) {
  			newCell.next = newCell;
  		} else {
  			newCell.next = m_cellRing.next;
  			m_cellRing.next = newCell;
  		}
  		m_cellRing = newCell;
  	}
docs: Adds a new host to a cells ring.
  @param host	Host name to add