The agent sends the current state information to the controller, and the controller sends {HEAD ~ the current state information} to a repository, via {TAIL ~ the Internet} 
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The agent sends the current state information to the controller , and the controller sends { HEAD ~ the current state information } to a repository , via { TAIL ~ the Internet }
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 OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL