In {TAIL ~ one embodiment} {HEAD ~ the routing element} may comprise a micro electro mechanical systems element 
In
In { TAIL ~ one embodiment } { HEAD ~ the routing element } may comprise a micro electro mechanical systems element
REL TAIL TAIL TAIL TAIL TAIL TAIL HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH