{TAIL ~ A request} associated with one or more network resources may be received, and a set of one or more tags associated with {HEAD ~ the request} may be identified 
{ TAIL ~ A request } associated with one or more network resources may be received , and a set of one or more tags associated with { HEAD ~ the request } may be identified
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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH