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