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COMCOM
2006
100views more  COMCOM 2006»
8 years 11 months ago
Routing and wavelength assignment for core-based tree in WDM networks
In this paper, we address the routing and wavelength assignment problem for the core-based tree (CBT) service in a wavelength-division-multiplexing (WDM) network, where k sources ...
Jianping Wang, Xiangtong Qi, Mei Yang
AAIM
2005
Springer
81views Algorithms» more  AAIM 2005»
9 years 1 months ago
Wavelength Assignment for Satisfying Maximal Number of Requests in All-Optical Networks
In this paper, we study how to, given a set of pre-routed requests in an all-optical network and a set of wavelengths available on each link, assign a subset of requests with maxim...
Xiao-Dong Hu, Tianping Shuai
ISCC
2000
IEEE
104views Communications» more  ISCC 2000»
9 years 3 months ago
Dynamic Routing and Wavelength Assignment Using First Policy Iteration
With standard assumptions the routing and wavelength assignment problem (RWA) can be viewed as a Markov Decision Process (MDP). The problem, however, defies an exact solution bec...
Esa Hyytiä, Jorma T. Virtamo
AAIM
2006
Springer
222views Algorithms» more  AAIM 2006»
9 years 5 months ago
Connected Set Cover Problem and Its Applications
Abstract. We study an extension of the set cover problem, the connected set cover problem, the problem is to find a set cover of minimal size that satisfies some connectivity con...
Tianping Shuai, Xiao-Dong Hu
BROADNETS
2006
IEEE
9 years 5 months ago
Complexity of Converter Placement Supporting Broadcast in WDM Networks
Abstract— Wavelength converters simplify the wavelength assignment problem in virtual topology design in optical networks and increase the utilization of the fiber bandwidth. Ho...
Rudra Dutta, Prashant Iyer, Carla D. Savage
AINA
2008
IEEE
9 years 5 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
CP
2009
Springer
9 years 6 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
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