{TAIL ~ This strategy}, combined with a time out, allows for a better computing experience by reducing the latency due to {HEAD ~ the time} taken in authenticating a new mobile unit 
{ TAIL ~ This strategy } , combined with a time out , allows for a better computing experience by reducing the latency due to { HEAD ~ the time } taken in authenticating a new mobile unit
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH