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