Optical Networking White Papers
Routing and Wavelength Assignment in Optical Networks
Overview The problem of Routing and Wavelength Assignment (RWA) is critically important for increasing the efficiency of wavelength-routed all-optical networks. Given the physical network structure and the required connections, the RWA problem is to select a suitable path and wavelength among the many possible choices for each connection so that no two paths sharing a link are assigned the same wavelength. In work to date, this problem has been formulated as a difficult integer programming problem that does not lend itself to efficient solution or insightful analysis. This paper proposes several novel optimization problem formulations that offer the promise of radical improvements over the existing methods.
| Publisher | Massachusetts Institute of Technology | File Format | |
|---|---|---|---|
| Date Published | October 2002 | ||
| Format | White Papers | ||
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