Described embodiments provide for queuing tasks in {HEAD ~ a scheduling hierarchy} of {TAIL ~ a network processor} 
of
Described embodiments provide for queuing tasks in { HEAD ~ a scheduling hierarchy } of { TAIL ~ a network processor }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL