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