In one of many possible embodiments, {HEAD ~ a system} is provided for policy based, on demand provisioning of {TAIL ~ optical transport} bandwidth 
In one of many possible embodiments , { HEAD ~ a system } is provided for policy based , on demand provisioning of { TAIL ~ optical transport } bandwidth
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH