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AINA
2008
IEEE
14 years 2 months 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
13 years 11 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
14 years 2 months 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
14 years 1 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»
12 years 10 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...