If a connection from {TAIL ~ User PC} 20 to {HEAD ~ Weather Server} 26 is established, the path becomes green 
If a connection from { TAIL ~ User PC } 20 to { HEAD ~ Weather Server } 26 is established , the path becomes green
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH