computing {HEAD ~ a Hash} of {TAIL ~ configuration data} in said ANE data on a boot up request 
of
computing { HEAD ~ a Hash } of { TAIL ~ configuration data } in said ANE data on a boot up request
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH