For example, embodiments of the present invention may be implemented in any communication system in which {TAIL ~ electronic information} is transmitted in {HEAD ~ packets} 
For example , embodiments of the present invention may be implemented in any communication system in which { TAIL ~ electronic information } is transmitted in { HEAD ~ packets }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD