The relative priorities are determined by {HEAD ~ policy rules} that evaluate {TAIL ~ comparative server node application state information} 
evaluate
The relative priorities are determined by { HEAD ~ policy rules } that evaluate { TAIL ~ comparative server node application state information }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL