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KLAT2's Flat Neighborhood Network
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You are not authorized to post comments.KLAT2, Kentucky Linux Athlon Testbed 2, is a cluster of 64 (plus two ``hot spare'') 700MHz AMD Athlon PCs. The raw compute speed of the processors justifies calling the system a supercomputer, but these fast nodes must be mated with a high-performance network in order to achieve the balance needed to obtain speed-up on real applications. Usually, cluster networks are built by combining the fastest available NICs and switching fabric, making the network expensive. Instead, KLAT2 uses a novel ``Flat Neighborhood'' network topology that was designed by a genetic algorithm (GA). A total of about $8,100 worth of 100Mb/s Fast Ethernet NICs, switches, and Cat5 cable, allows KLAT2's network to deliver both single-switch latency for any point-to-point communication and up to 25.6Gb/s bisection bandwidth. This paper describes how this new network architecture was derived, how it is used, and how it performs.
author = {H.G. Dietz and T.I. Mattox},
title = {{KLAT2{\textquoteright}s} Flat Neighborhood Network},
booktitle = {4th Annual Linux Showcase \& Conference (ALS 2000)},
year = {2000},
address = {Atlanta, GA },
url = {https://www.usenix.org/conference/als-2000/klat2s-flat-neighborhood-network},
publisher = {USENIX Association},
month = oct
}
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