RUFT: Simplifying the Fat-Tree Topology

  title={RUFT: Simplifying the Fat-Tree Topology},
  author={Crisp{\'i}n G{\'o}mez Requena and Francisco Gilabert Villam{\'o}n and Mar{\'i}a Engracia G{\'o}mez and Pedro L{\'o}pez and Jos{\'e} Duato},
  journal={2008 14th IEEE International Conference on Parallel and Distributed Systems},
The fat-tree is one of the most widely-used topologies by interconnection network manufacturers. Recently, a deterministic routing algorithm that optimally balances the network traffic in fat--trees was proposed. It can not only achieve almost the same performance than adaptive routing, but also outperforms it for some traffic patterns. Nevertheless, fat-trees require a high number of switches with a non-negligible wiring complexity. In this paper, we propose replacing the fat-tree by an… CONTINUE READING
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