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