Statistics study of routing and wavelength assignment algorithms in WDM all optical network

In this paper, routing and wavelength assignment (RWA) algorithms whose optimum object is the minimum number of wavelength required in wavelength division multiplexing all optical network were studied. Since the number of wavelength required (NWR) obtained by the existing two RWA algorithms is assoc...

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Bibliographic Details
Published in:Optics communications 2000-11, Vol.185 (4), p.315-320
Main Authors: Ye, Yabin, Zhang, Hanyi, Qin, Tao, Dai, Wuju, Feng, Feifei, Huo, Xiaoli, Guo, Yili
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Minimum number of wavelength required
Optical communication systems, multiplexers, and demultiplexers
Routing and wavelength assignment algorithm
Statistics method
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
WDM all optical network
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Summary:In this paper, routing and wavelength assignment (RWA) algorithms whose optimum object is the minimum number of wavelength required in wavelength division multiplexing all optical network were studied. Since the number of wavelength required (NWR) obtained by the existing two RWA algorithms is associated with the numbering order of the nodes in the network, a statistics method was proposed to modify the RWA algorithms. With this statistics method, a smaller NWR can be acquired. And, it is the first time that the statistics method was proposed to compare the performance of different RWA algorithms. Two RWA algorithms can be compared by contrasting the distribution of the NWRs obtained by each RWA algorithms.
ISSN:0030-4018
1873-0310
DOI:10.1016/S0030-4018(00)01017-8