Method and {HEAD ~ system} for allowing {TAIL ~ multiple receiving units} in a network to record the same content while minimizing network resource use 
Method and { HEAD ~ system } for allowing { TAIL ~ multiple receiving units } in a network to record the same content while minimizing network resource use
OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH