Design of the optical path layer in multiwavelength cross-connected networks

N Wauters, P Demeester - IEEE Journal on Selected Areas in …, 1996 - ieeexplore.ieee.org
N Wauters, P Demeester
IEEE Journal on Selected Areas in Communications, 1996ieeexplore.ieee.org
We discuss the wavelength requirement for optical networks based on wavelength-division
multiplexing (WDM). A mathematical model, to represent the routing and wavelength
assignment in optical networks with or without wavelength conversion, is described, and
metrics are defined to express the performance. A new heuristic for routing and wavelength
assignment is proposed and compared with the Dijkstra algorithm and with a solution based
on integer linear programming. The different techniques are applied to a variety of network …
We discuss the wavelength requirement for optical networks based on wavelength-division multiplexing (WDM). A mathematical model, to represent the routing and wavelength assignment in optical networks with or without wavelength conversion, is described, and metrics are defined to express the performance. A new heuristic for routing and wavelength assignment is proposed and compared with the Dijkstra algorithm and with a solution based on integer linear programming. The different techniques are applied to a variety of network examples with different traffic loads.
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