Despite its lack of groups, this Bundle controls both ntp servers and clients. It does this through the use of host-specific entries in the Cfg repository. It is left as an exercise for the reader to do this better through use of groups.
<Bundle name='ntp'>
<Package name='xntp'/>
<Path name='/etc/sysconfig/xntp'/>
<Path name='/etc/sysconfig/clock'/>
<Path name='/etc/ntp.conf'/>
<Service name='xntpd'/>
</Bundle>