{HEAD ~ MN} 200 has {TAIL ~ a plurality} of radio communication interfaces, and a first interface is connected to MAG 220 of a home PMIPv6 domain 230, for instance 
has
{ HEAD ~ MN } 200 has { TAIL ~ a plurality } of radio communication interfaces , and a first interface is connected to MAG 220 of a home PMIPv6 domain 230 , for instance
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 OTH OTH OTH OTH OTH OTH