A 10G QoS-enabled optical packet-switching system: technology and experimentation

Steven S. W. Lee; Maria C. Yuang; Po-Lung Tien; Yu-Min Lin; Julin Shih; Jason J. Chen

doi:10.1117/12.691224

28 September 2006 A 10G QoS-enabled optical packet-switching system: technology and experimentation

Steven S. W. Lee, Maria C. Yuang, Po-Lung Tien, Yu-Min Lin, Julin Shih, Jason J. Chen

Proceedings Volume 6354, Network Architectures, Management, and Applications IV; 635402 (2006) https://doi.org/10.1117/12.691224
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

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.

Citation Download Citation

Steven S. W. Lee, Maria C. Yuang, Po-Lung Tien, Yu-Min Lin, Julin Shih, and Jason J. Chen "A 10G QoS-enabled optical packet-switching system: technology and experimentation", Proc. SPIE 6354, Network Architectures, Management, and Applications IV, 635402 (28 September 2006); https://doi.org/10.1117/12.691224

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KEYWORDS

Switches

Modulation

Switching

Amplitude shift keying

Modulators

Optical switching

Packet switching

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