Abstract

A crucial part of large-scale high-performance computing systems is the interconnection network. We describe an optical self-routing network based on a combination of 'clockwork' routing and wavelength division multiplexing to provide low latency and high bandwidth, with large scalability. The optical-layer architecture is described in detail, and results obtained from full numerical simulations of traffic performance demonstrate scalability to networks as large as 2048 nodes in a flat single-stage network architecture.

© 2007 Optical Society of America

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