{HEAD ~ The data} is forwarded from the network switch based on the processing performed by {TAIL ~ the dedicated modules} 
{ HEAD ~ The data } is forwarded from the network switch based on the processing performed by { TAIL ~ the dedicated modules }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL