Enhanced routing and wavelength assignment techniques for reducing wavelength continuity blocking

An apparatus for optimizing routing and wavelength assignment in a network, comprising:

• logic for determining a routing assignment for a network, wherein the routing assignment is determined using a decongestion cost-based function;
• and
• logic for determining a wavelength assignment for the network based on vector difference, the determination of the wavelength assignment comprising:
• logic for spanning the network for a path;
• logic for calculating a weighted correlation function for at least one length in the network;
• logic for storing the weighted correlation;
• and
• logic for determining if a next path exists;
• logic for spanning for a next path in the network if a next path is found, and
• logic for returning the stored correlation if a next path is not found.

An apparatus for optimizing routing and wavelength assignment in a network, comprising:

• means for determining a routing assignment for a network, wherein the routing assignment is determined using a decongestion cost-based function;
• and
• means for determining a wavelength assignment for the network based on vector difference, the determination of the wavelength assignment comprising:
• means for spanning the network for a path;
• means for calculating a weighted correlation function for at least one length in the network;
• means for storing the weighted correlation;
• and
• means for determining if a next path exists;
• means for spanning for a next path in the network if a next path is found, and
• means for returning the stored correlation if a next path is not found.

A non-transitory computer-readable medium for optimizing routing and wavelength assignment in a network, comprising:

• at least one instruction to determine a routing assignment for a network, wherein the routing assignment is determined using a decongestion cost-based function;
• and
• at least one instruction to determine a wavelength assignment for the network based on vector difference, the determination of the wavelength assignment comprising:
• at least one instruction to span the network for a path;
• at least one instruction to calculate a weighted correlation function for at least one length in the network;
• at least one instruction to store the weighted correlation;
• and
• at least one instruction to determine if a next path exists;
• at least one instruction to span for a next path in the network if a next path is found, and
• at least one instruction to return the stored correlation if a next path is not found.