Architecture of IP switch based on optical crossbar switching network with feedback loops

Xinjun Zhou; Mingcui Cao; Jiangdong Wu; Fengguang Luo; Jun Xu

doi:10.1117/12.445098

18 October 2001 Architecture of IP switch based on optical crossbar switching network with feedback loops

Xinjun Zhou, Mingcui Cao, Jiangdong Wu, Fengguang Luo, Jun Xu

Proceedings Volume 4582, Optical Switching and Optical Interconnection; (2001) https://doi.org/10.1117/12.445098
Event: Asia-Pacific Optical and Wireless Communications Conference and Exhibit, 2001, Beijing, China

Abstract

This paper proposes a novel optical crossbar switching architecture. The proposed IP switch is based on an optical crossbar switching system, which take full use of advantages of electronics and photonics to face the challenge of the terabits per second IP switching. Group interconnect network is regarded as an ideal switching structure for its low blocking and excellent scalability. We add feedback loops to the group interconnect network, and got the better performance at the cost of slight extra hardware. In the paper, we simulated the cell loss rate of our optical crossbar switching network with feedback loops and several other switching network in the condition of uniform traffic and the burst traffic. The result shows that, in uniform traffic, the cell loss ratio (CLR) of our novel structure is less than 10e-9 , which is much lower than others; while in burst traffic, the CLR of ours is also lower than any of others. The hardware implementation of the switching network is also discussed. We proposed a high density optical waveguide interconnect board based on VCSEL/MSM detector arrays and free-space optical interface modules, which grants the features of high density signal channel, low cell loss rate, low optical interchannel crosstalk, small volume and simple structure.

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Xinjun Zhou, Mingcui Cao, Jiangdong Wu, Fengguang Luo, and Jun Xu "Architecture of IP switch based on optical crossbar switching network with feedback loops", Proc. SPIE 4582, Optical Switching and Optical Interconnection, (18 October 2001); https://doi.org/10.1117/12.445098

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KEYWORDS

Switching

Switches

Feedback loops

Interfaces

Network architectures

Free space optics

Computer architecture

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