The snooping protocol utilizes the duality of {HEAD ~ directories} coupled with the non atomicity of directory updates to maximize processor cache availability and minimize processor cache access times thus supporting {TAIL ~ high performance architectures} 
The snooping protocol utilizes the duality of { HEAD ~ directories } coupled with the non atomicity of directory updates to maximize processor cache availability and minimize processor cache access times thus supporting { TAIL ~ high performance architectures }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL