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