In {TAIL ~ other embodiments}, the categorization can be made on the size of the file or the data involved in {HEAD ~ the file request} 
In { TAIL ~ other embodiments } , the categorization can be made on the size of the file or the data involved in { HEAD ~ the file request }
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD