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