Blocking performance of all-optical networks under dynamic traffic

Xudong Yang; QingJi Zeng; Fengqing Liu; Xu Zhu

doi:10.1117/12.481083

29 August 2002 Blocking performance of all-optical networks under dynamic traffic

Xudong Yang, QingJi Zeng, Fengqing Liu, Xu Zhu

Proceedings Volume 4909, Network Design and Management; (2002) https://doi.org/10.1117/12.481083
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

The blocking performance of two types of all-optical networks: wavelength-selective (WS) and wavelength-interchangeable (WI) networks, is studied. Efficiency of different dynamic routing and wavelength assignment (RWA) algorithms, including adaptive routing algorithms and dynamic alternate routing algorithms, is investigated. Dynamic wavelength assignment combined with adaptive route selection algorithm is also presented and investigated. Numerical results show that multifiber WS networks may provide a viable and economical alternative to WI networks, and dynamic alternate routing algorithms is also a good substitute to adaptive routing algorithms. The presented dynamic wavelength assignment combined with adaptive route selection algorithms exhibit better efficiency than other ones. The study also shows that the efficiency of different dynamic RWA algorithms is dependent with different topologies, and the performance gain of wavelength conversion in regular topology is not as significant as in irregular topology networks, meanwhile, the efficiency of different dynamic RWA algorithms is closely related with the number of alternate routes.

Citation Download Citation

Xudong Yang, QingJi Zeng, Fengqing Liu, and Xu Zhu "Blocking performance of all-optical networks under dynamic traffic", Proc. SPIE 4909, Network Design and Management, (29 August 2002); https://doi.org/10.1117/12.481083

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