(*) options['pltags'] == 'append'
All incoming slice tags are added to corresponding slivers,
unless an exact match can be found in the PLC db
- (*) options['pltags'] == 'match'
+ (*) options['pltags'] == 'sync'
The historical mode, that attempts to leave the PLC db in a state
- that matches the ones specified in incoming rspec.
+ in sync with the ones specified in incoming rspec.
See also http://svn.planet-lab.org/wiki/SFASliceTags