{HEAD ~ Proxy server} 105 is a network based server, and may include {TAIL ~ an Operating System} , application code , and a database  
{ HEAD ~ Proxy server } 105 is a network based server , and may include { TAIL ~ an Operating System } , application code , and a database
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH