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