Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
Copyright (C) 2000, 2001 Internet Software Consortium.
See COPYRIGHT in the source root or http://isc.org/copyright.html for terms.
$Id: README,v 1.4 2004/03/05 05:02:10 marka Exp $
ns1 root
ns2 master
ns3 stealth master(ns4)/slave(ns2)
ns4 slave
transfer graph ns2 -> ns3 -> ns4
notify graph ns2 -> ns4 (relay)-> ns3 -> ns4