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AINA
2008
IEEE
16 years 3 days ago
A New Dynamic Wavelength Assignment Scheme in Wavelength-Convertible WBS Networks
—In the paper, we study the wavelength assignment problem in waveband switching (WBS) networks, which is composed of multi-granular optical cross-connect (MG-OXCs) interconnected...
Ching-Fang Hsu, Fang-Sheng Lin, Ke-Kuan Hsu
INFOCOM
1998
IEEE
15 years 10 months ago
Design of Logical Topologies: A Linear Formulation for Wavelength Routed Optical Networks with No Wavelength Changers
We consider the problem of constructing logical topologies over a wavelength-routed optical network with no wavelength changers. We present a general linear formulation which consi...
Rajesh M. Krishnaswamy, Kumar N. Sivarajan
CP
2009
Springer
16 years 12 days ago
A Hybrid Constraint Model for the Routing and Wavelength Assignment Problem
In this paper we present a hybrid model for the demand acceptance variant of the routing and wavelength assignment problem in directed networks, an important benchmark problem in o...
Helmut Simonis
ICOIN
2005
Springer
15 years 11 months ago
RWA on Scheduled Lightpath Demands in WDM Optical Transport Networks with Time Disjoint Paths
Abstract. In optical networks, traffic demands often demonstrate periodic nature for which time-overlapping property can be utilized in routing and wavelength assignment (RWA). A R...
Hyun Gi Ahn, Tae-Jin Lee, Min Young Chung, Hyunseu...
JGO
2011
165views more  JGO 2011»
14 years 8 months ago
A biased random-key genetic algorithm for routing and wavelength assignment
The problem of routing and wavelength assignment (RWA) in wavelength division multiplexing (WDM) optical networks consists in routing a set of lightpaths and assigning a wavelength...
Thiago F. Noronha, Mauricio G. C. Resende, Celso C...