Scalable IP switching based on optical interconnect

Zhixiang Luo; Mingcui Cao; Erwu Liu

doi:10.1117/12.402729

9 October 2000 Scalable IP switching based on optical interconnect

Zhixiang Luo, Mingcui Cao, Erwu Liu

Proceedings Volume 4225, Optical Interconnects for Telecommunication and Data Communications; (2000) https://doi.org/10.1117/12.402729
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

IP traffic on the Internet and enterprise networks has been growing exponentially in the last several years, and much attention is being focused on the use of IP multicast for real-time multimedia applications. The current soft and general-purpose CPU-based routers face great stress since they have great latency and low forwarding speeds. Based on the ASICs, layer 2 switching provides high-speed packet forwarding. Integrating high-speed of Layer 2 switching with the flexibility of Layer 3 routing, Layer 3 switching (IP switching) has been put forward in order to avoid the performance bottleneck associated with Layer 3 forwarding. In this paper, we present a prototype system of a scalable IP switching based on scalable ATM switching fabric and optical interconnect. The IP switching system mainly consists of the input/output interface unit, scalable ATM switching fabric and IP control component. Optical interconnects between the input fan-out stage and the interconnect stage, also the interconnect stage and the output concentration stage provide high-speed data paths. And the interconnect stage is composed of 16 X 16 CMOS-SEED ATM switching modules. With 64 ports of OC-12 interface, the maximum throughput of the prototype system is about 20 million packets per second (MPPS) for 256 bytes average packet length, and the packet loss ratio is less than 10e-9. Benefiting from the scalable architecture and the optical interconnect, this IP switching system can easily scale to very large network size.

Citation Download Citation

Zhixiang Luo, Mingcui Cao, and Erwu Liu "Scalable IP switching based on optical interconnect", Proc. SPIE 4225, Optical Interconnects for Telecommunication and Data Communications, (9 October 2000); https://doi.org/10.1117/12.402729

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KEYWORDS

Switching

Asynchronous transfer mode

Optical interconnects

Switches

Interfaces

Prototyping

Solar concentrators

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