The invention relates to {HEAD ~ a device} and a method for performing {TAIL ~ a cache process} on data 
The invention relates to { HEAD ~ a device } and a method for performing { TAIL ~ a cache process } on data
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH