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Proceedings Paper

A 10G QoS-enabled optical packet-switching system: technology and experimentation
Author(s): Steven S. W. Lee; Maria C. Yuang; Po-Lung Tien; Yu-Min Lin; Julin Shih; Jason J. Chen
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Paper Abstract

The paper presents the architecture and experimentation of a 10-Gb/s QoS-enabled almost-all-optical packet switching system (QOPS) for metro WDM networks. By applying cluster-based wavelength sharing and downsized single-staged optical buffers, QOPS is featured by its highly scalable and cost-effective design. In this paper, we first introduce the switch architecture, system operation, and the key techniques. We describe the in-band header/payload modulation and optical label swapping that is suitable for high-speed optical packet switching. We also present the design of the highly efficient Four-Wave Mixing wavelength converters for packet preemption. We then present an adaptive bifurcated routing (ABR) that directs same-connection packets to different switch clusters according to optimal bifurcation probabilities. Experimental and simulation results demonstrate that QOPS can achieve superior packet-loss performance, QoS differentiation, and minimize traffic blocking probability.

Paper Details

Date Published: 28 September 2006
PDF: 11 pages
Proc. SPIE 6354, Network Architectures, Management, and Applications IV, 635402 (28 September 2006); doi: 10.1117/12.691224
Show Author Affiliations
Steven S. W. Lee, Industrial Technology Research Institute (Taiwan)
Maria C. Yuang, National Chiao Tung Univ. (Taiwan)
Po-Lung Tien, National Chiao Tung Univ. (Taiwan)
Yu-Min Lin, Industrial Technology Research Institute (Taiwan)
Julin Shih, National Chiao Tung Univ. (Taiwan)
Jason J. Chen, National Chiao Tung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 6354:
Network Architectures, Management, and Applications IV
Yong Hyub Won; Gee-Kung Chang; Ken-ichi Sato; Jian Wu, Editor(s)

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