Methods for improving the performance of all-optical DWDM networks based on lightpath reservation

Soong Yie Lum; Pak Lim Chu

doi:10.1117/12.402550

5 October 2000 Methods for improving the performance of all-optical DWDM networks based on lightpath reservation

Soong Yie Lum, Pak Lim Chu

Proceedings Volume 4213, Terabit Optical Networking: Architecture, Control, and Management Issues; (2000) https://doi.org/10.1117/12.402550
Event: Information Technologies 2000, 2000, Boston, MA, United States

Abstract

In this paper, we propose three methods of improving the performance of all-optical DWDM networks that employ light-path reservation. They are wavelength conversion, multiple fibers and two-path routing. We being by developing analytical models for static-routing networks based on the bidirectional Manhattan Street network (BMSN) and de Bruijn (DB) network topologies. Analytical results indicate that the multiple fibers approach yields the lowest blocking probability for BMSN topologies. In addition, one can achieve the greatest improvement in de Bruijn networks using either wavelength conversion or multiple fibers. The choice depends on the values of the parameters such as network load and reservation level. The two-path routing method offers moderate improvement in perfomrrance for the de Bruijn network topology. In addition, there exist optimum reservation levels for attaining minimum blocking probabilities. In the de Bruijn network, the advantage of the three schemes is modest. However, these schemes offer significant performance improvement for the bidirectional Manhattan Street network.

Citation Download Citation

Soong Yie Lum and Pak Lim Chu "Methods for improving the performance of all-optical DWDM networks based on lightpath reservation", Proc. SPIE 4213, Terabit Optical Networking: Architecture, Control, and Management Issues, (5 October 2000); https://doi.org/10.1117/12.402550

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