The multicast session repair system includes a repair server in the network providing {TAIL ~ the packets} it receives in {HEAD ~ the multicast session} to the recipients 
The multicast session repair system includes a repair server in the network providing { TAIL ~ the packets } it receives in { HEAD ~ the multicast session } to the recipients
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH