Scalable Fractional Lambda Switching: a Testbed

This paper presents experiments on a testbed based on ultra-scalable switches realized using off-the-shelf optical and electronic components. The scalability of this switching architecture, direct outcome of the deployment of pipeline forwarding, results — in addition to much lower cost — in the need for a smaller amount of components, and consequently, lower power dissipation, which is key to a ―greening‖ of the Internet. Although an all-optical architecture is demonstrated, we reached the conclusion that given the current state of the art, a hybrid electro-optical architecture is the ―best-of-breed‖ switch solution.

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