wherein forwarding the network traffic comprises forwarding the first portion and the second portion of {HEAD ~ the network traffic} based on {TAIL ~ the application} of the first and the second sets of patterns, respectively 
wherein forwarding the network traffic comprises forwarding the first portion and the second portion of { HEAD ~ the network traffic } based on { TAIL ~ the application } of the first and the second sets of patterns , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH