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