Towards Digital Optical Networks
Designing scalable WDM optical interconnects using predefined wavelength conversion
NETWORKING'06 Proceedings of the 5th international IFIP-TC6 conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems
Modular design of data vortex switch network
Proceedings of the eighth ACM/IEEE symposium on Architectures for networking and communications systems
Area efficient asynchronous SDM routers using 2-stage clos switches
DATE '12 Proceedings of the Conference on Design, Automation and Test in Europe
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While the technological evolution since C. Clos's seminal article (see Bell Sys. Tech. J., vol.32, p.406-24, 1953) on multistage switch architectures has been huge, his work and ideas still live on. We discuss node architectures for optical packet switching and show how the multistage approach proposed by Clos can be adopted to solve scalability issues and construct switches with large port counts. As in the old days, the driving factors behind the introduction of multistage concepts also include economic issues: compared to a single-stage architecture, the number of components to realize the switching fabric is reduced.