The new access point confirms the previous authentication of the mobile computing unit and allows {HEAD ~ access} without {TAIL ~ the need} to re authenticate the mobile computing unit 
without
The new access point confirms the previous authentication of the mobile computing unit and allows { HEAD ~ access } without { TAIL ~ the need } to re authenticate the mobile computing unit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH