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A new node architecture for scalable WDM optical networks

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3 Author(s)
Jue, J.P. ; Dept. of Electr. & Comput. Eng., California Univ., Davis, CA, USA ; Datta, D. ; Mukherjee, B.

Node architectures which are being considered for wavelength-routed WDM optical networks do not provide a high degree of scalability with respect to the number of wavelengths in the system. In this investigation, we propose a new node architecture which allows new wavelengths to be added to the network without significant additional costs. We study the performance of such nodes in a network environment, and we develop a simple cost model for the network. We show that the proposed architecture provides a higher degree of scalability as well as significant cost benefits when compared to a traditional node architecture, such as the wavelength-routing switch (WRS) or a wavelength-selective cross-connect (WSXC), while also maintaining comparable performance in terms of blocking probability

Published in:

Communications, 1999. ICC '99. 1999 IEEE International Conference on  (Volume:3 )

Date of Conference:

1999