As the hash values are stored in the first table, they are compared to the hash values stored in {HEAD ~ the second table} to identify {TAIL ~ new connections} 
As the hash values are stored in the first table , they are compared to the hash values stored in { HEAD ~ the second table } to identify { TAIL ~ new connections }
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 REL REL TAIL TAIL TAIL TAIL TAIL TAIL