Coupled-layer type waveband path design method corresponding to traffic demand fluctuation

Authors:
Hideki Tode;Shinji Takayama;Koso Murakami
Affiliations:
Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka Suita, Osaka 565-0871, Japan;Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka Suita, Osaka 565-0871, Japan;Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, 1-5 Yamadaoka Suita, Osaka 565-0871, Japan
Venue:
Computer Communications
Year:
2007

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Abstract

The establishment of all optical WDM network architecture suitable for applications with large capacity, long holding time and real time, such as video transmission, has important technical issues. However, most of the conventional system assumes static traffic and lacks the flexibility to unexpected change of traffic demand. Hence, the enhancement for dynamic traffic must be provided on the network design. In this paper, we propose a coupled-layer waveband routed network architecture to accommodate dynamic traffic changes. Assuming an environment without a wavelength converter, our coupled-layer waveband path design method is applied to several network topologies to enable an evaluation of its performance. The effectiveness and feasibility of this method were confirmed in terms of the number of required wavelengths and the blocking probability.