Optical path design apparatus, optical path design method and program

An optical path design method executed by an optical path design device, the optical path design method comprising:

• searching for one or more route possibilities from a start point to an end point in an optical network including one or more transmission paths as links and a plurality of node devices as nodes on a basis of topology information of the optical network, information on the start point, and information on the end point;
• deriving available time which is time at which a frequency band including one or more frequency slots becomes available for communication for each of the transmission paths or the node devices included in the route;
• and
• selecting the route from the one or more route possibilities that have been searched for on a basis of the available time derived for each of the transmission paths or the node devices and selecting the frequency band of an optical signal to be transmitted through an optical path in the selected route.

A non-transitory computer readable medium storing a program for causing a computer to perform operations comprising:

• searching for one or more route possibilities from a start point to an end point in an optical network including one or more transmission paths as links and a plurality of node devices as nodes on a basis of topology information of the optical network, information on the start point, and information on the end point;
• deriving available time which is time at which a frequency band including one or more frequency slots becomes available for communication for each of the transmission paths or the node devices included in the route;
• and
• selecting the route from the one or more route possibilities that have been searched for on a basis of the available time derived for each of the transmission paths or the node devices and selecting the frequency band of an optical signal to be transmitted through an optical path in the selected route.