In another embodiment, a device in the first routing domain migrates from the first routing domain to {TAIL ~ a second routing domain}, and determines {HEAD ~ its new IP address} 
In another embodiment , a device in the first routing domain migrates from the first routing domain to { TAIL ~ a second routing domain } , and determines { HEAD ~ its new IP address }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD