Optical switch fabric design for gigabit switching router

Wei Wei; QingJi Zeng

doi:10.1117/12.445103

18 October 2001 Optical switch fabric design for gigabit switching router

Wei Wei, QingJi Zeng

Proceedings Volume 4582, Optical Switching and Optical Interconnection; (2001) https://doi.org/10.1117/12.445103
Event: Asia-Pacific Optical and Wireless Communications Conference and Exhibit, 2001, Beijing, China

Abstract

One of the key issues of high performance IP Gigabit Switching Router (GSR) design is about switching fabrics. In the traditional bus-based router architectures, the data transfer rate of copper backplanes will soon reach the speed limit because of connector reflections and crosstalk. An alternative optical switching fabric technology is necessary in order to satisfy the demand for high switching bandwidth. In this paper we firstly present a novel all-optical broadcasting switch fabric design scheme based on broadcasting bus architecture. In this section we also illustrate the advantages and disadvantages of this kind of architecture and demonstrate that this kind of switching fabric architecture have no interior block as well as none I/O block. Second, we discuss such implementation scheme of all-optical broadcasting switch fabric architecture as queuing, scheduling and multicasting. Finally, we get a conclusion that all-optical broadcasting switch fabric is one of the cost-effective solutions to design high-speed, scalable and simple switch fabrics compared with those complicated electric crossbar switch fabrics in GSR design.

Citation Download Citation

Wei Wei and QingJi Zeng "Optical switch fabric design for gigabit switching router", Proc. SPIE 4582, Optical Switching and Optical Interconnection, (18 October 2001); https://doi.org/10.1117/12.445103

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