receiving {HEAD ~ a request} for {TAIL ~ a replay} of a broadcast content selected by the user so as to replay a same video stream again after stopping the video stream of the broadcast content 
receiving { HEAD ~ a request } for { TAIL ~ a replay } of a broadcast content selected by the user so as to replay a same video stream again after stopping the video stream of the broadcast content
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH