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