The device {HEAD ~ packets} may include a header, {TAIL ~ a control portion} and a data portion 
include
The device { HEAD ~ packets } may include a header , { TAIL ~ a control portion } and a data portion
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH