Method, {HEAD ~ system}, apparatus and medium for minimizing {TAIL ~ unnecessary processing} associated with connection/disconnection of a same host 
for minimizing
Method , { HEAD ~ system } , apparatus and medium for minimizing { TAIL ~ unnecessary processing } associated with connection / disconnection of a same host
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH