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