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