In accordance with another aspect of the invention, there is provided {HEAD ~ a switching controller apparatus} for {TAIL ~ use} in a system comprised of a plurality of switching controllers 
for
In accordance with another aspect of the invention , there is provided { HEAD ~ a switching controller apparatus } for { TAIL ~ use } in a system comprised of a plurality of switching controllers
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH