This information is relayed using the Network layer to provide feedback to the MAC layer in {HEAD ~ order} to improve {TAIL ~ the end} to end performance of VoIP services 
to improve
This information is relayed using the Network layer to provide feedback to the MAC layer in { HEAD ~ order } to improve { TAIL ~ the end } to end performance of VoIP services
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH