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