The example embodiment provides a selected path meeting an acceptable integrity of the optical wavelengths to {HEAD ~ a path establishment module} to establish the path through {TAIL ~ the optical network} 
The example embodiment provides a selected path meeting an acceptable integrity of the optical wavelengths to { HEAD ~ a path establishment module } to establish the path through { TAIL ~ the optical network }
OTH 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 OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL