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HPC @ Uni.lu

High Performance Computing in Luxembourg

Chaos Interconnect

The interconnect is composed of an Infiniband QDR (40Gb/s) network.

The choice of topology is imposed by the heterogeneous nature of Chaos, and by the fact that the hardware is split across 2 server rooms.

The following schema describes the topology of the Chaos Infiniband Network.

Additionally, the cluster is connected to the infrastructure of the University using 10Gb Ethernet.

A third 1Gb Ethernet network is also used on the cluster, mainly for services and administration purposes.

Gaia Interconnect

The interconnect is composed of an Infiniband QDR (40Gb/s) network, splitted in 2 pools, configured in a minhop topology.

The following schema describes the topology of the Gaia Infiniband Network.

Additionally, the cluster is connected to the infrastructure of the University using 10Gb Ethernet. A third 1Gb Ethernet network is also used on the cluster, mainly for services and administration purposes.

G5K Luxembourg site Interconnect

The interconnect is composed of:

  • one main router (Cisco 6500), which maintains the link with the French G5K network
  • the 10GbE network (using Cisco Nexus 5000 and Force10 switches)