In one embodiment, {HEAD ~ a network device} in a network obtains {TAIL ~ information} identifying first storage and second storage 
obtains
In one embodiment , { HEAD ~ a network device } in a network obtains { TAIL ~ information } identifying first storage and second storage
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH