{HEAD ~ The network} further includes {TAIL ~ a source} of multicast packets in a multicast session coupled to a first node of the long haul portion 
includes
{ HEAD ~ The network } further includes { TAIL ~ a source } of multicast packets in a multicast session coupled to a first node of the long haul portion
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH