In the present invention, {TAIL ~ provisioning and management resources} are drawn from the overall pool of {HEAD ~ resources} 
In the present invention , { TAIL ~ provisioning and management resources } are drawn from the overall pool of { HEAD ~ resources }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD