Odd-Degree ROADM Wavelength Blocking Reduction

The patent applies preliminary action by pre-configuring multiple wavelength selective switches within subsea network nodes during the network deployment phase. These switches are installed and positioned in advance to handle future traffic demands without requiring later hardware modifications. The switches are pre-integrated into the optical add-drop multiplexer architecture, enabling immediate wavelength-based routing capabilities when traffic patterns require them.

The patent segments the network node functionality by implementing separate wavelength selective switches for different wavelength channels. Each switch handles specific wavelength ranges independently, allowing granular control over traffic routing. This segmentation enables the network to selectively activate only the switches and wavelength channels needed for current traffic demands, optimizing resource utilization while managing device complexity through modular functionality.

The patent implements dynamics by enabling reconfigurable wavelength routing through software-controlled wavelength selective switches. Instead of requiring physical hardware changes to adapt to changing traffic demands, the system dynamically adjusts routing paths by reconfiguring which wavelengths are dropped or passed through at each network node. This dynamic reconfiguration capability allows the network to adapt to unpredictable global traffic patterns without any submerged hardware modifications.

The patent applies parameter changes by utilizing the tunable wavelength selection capability of the wavelength selective switches. The system adjusts network behavior by changing which wavelength parameters are routed to which destinations, rather than modifying physical hardware connections. This parameter-based control enables flexible network scaling and adaptation while avoiding the complexity and cost of submerged equipment modification.