Impacts of Adaptation and Connectivity

• Multiplexing: Either electrical or optical TDM may be used to combine the input channels into a single l .

• Adaptation Grouping: Groups of k (e.g., 4) l’s are managed as a group within the system and must be added/dropped as a group

• Laser Tunability: The lasers producing the LR l’s may be tunable over a limited range, or be tunable over the entire range of l’s supported by the DWDM. Tunability speeds may also vary.

=> constrained connectivity between adaptation functions

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