{HEAD ~ A method} or corresponding apparatus according to an example embodiment of the present invention maintains {TAIL ~ a traffic engineering database} of values representing characteristics of links in the network through storage of integer values representing advertised optical signal capabilities of links between the multiple optical nodes 
maintains
{ HEAD ~ A method } or corresponding apparatus according to an example embodiment of the present invention maintains { TAIL ~ a traffic engineering database } of values representing characteristics of links in the network through storage of integer values representing advertised optical signal capabilities of links between the multiple optical nodes
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH