Video: Dragonfly versus Fat-tree — the Future of Cluster Topologies

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In this video, Tor Skeie from Simula Labs presents: Dragonfly versus Fat-tree — the future of cluster topologies. Recorded at the HPC Advisory Council European Workshop at ISC’12 in Hamburg.

Download the slides (PDF).


  1. I recall reading this paper a couple of years ago. The interesting point at the end was (paraphrased) ‘hey: no hardware exists that supports our idea’. This hasn’t changed yet, has it?

  2. I recall reading about this a couple of years back after someone had a talk with me about it at an SC. (cool Tshirt from the hpc lab in NO too) They problem was (paraphrased) ‘no hardware exists that supports this idea’. Has this changed?