recording segment attribute information for {HEAD ~ the selected file segment}, the segment attribute information including {TAIL ~ source information} and a file sharing protocol for the selected file segment 
recording segment attribute information for { HEAD ~ the selected file segment } , the segment attribute information including { TAIL ~ source information } and a file sharing protocol for the selected file segment
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH