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1 February 2014A design for an internet router with a digital optical data plane
This paper presents a complete design for an optical Internet router based on decomposing the steps required for IP packet forwarding. Implementations of hopcount decrement and header matching are integrated with a simulation-based approach to variable-length packet merging that avoids recirculation, resulting in an all-optical data plane. A method for IPv4 checksum computation is introduced, and this and previously designed components are extended from binary to higher-density (multiple bits per symbol) encodings. The implications of this design are considered, including the potential for chip-level and system integration, as well as the requirements of basic optical processing components.
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Joe Touch, Joseph Bannister, Stephen Suryaputra, Alan E. Willner, "A design for an internet router with a digital optical data plane," Proc. SPIE 9008, Optical Metro Networks and Short-Haul Systems VI, 900809 (1 February 2014);