In {TAIL ~ case} {HEAD ~ the user} requests data stored in the storage device, the stored data are transferred directly to the user, without any need to request and send these data for the second time via an IPTV server and the core network 
In
In { TAIL ~ case } { HEAD ~ the user } requests data stored in the storage device , the stored data are transferred directly to the user , without any need to request and send these data for the second time via an IPTV server and the core network
REL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH