ISP 122 is shown with {HEAD ~ an associated ISP server} 123 as providing a connection or {TAIL ~ gateway} to the Internet, depicted as wireless through a radio link 124, for communications unit 104 
as providing
ISP 122 is shown with { HEAD ~ an associated ISP server } 123 as providing a connection or { TAIL ~ gateway } to the Internet , depicted as wireless through a radio link 124 , for communications unit 104
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH