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