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