Since the switch 7 a is not a part of the Internet, it is necessary for {HEAD ~ the packet switching transfer} of data through {TAIL ~ the Internet} to first make a connection with the access point POP 6 
Since the switch 7 a is not a part of the Internet , it is necessary for { HEAD ~ the packet switching transfer } of data through { TAIL ~ the Internet } to first make a connection with the access point POP 6
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 OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH