The Linux Ethernet Cluster

Posted by deadline on May 11, 2010 7:20 PM EDT
HPC Community; By Douglas Eadline
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When the first Linux clusters were constructed, Ethernet was one of the few choices for an interconnect. Of course there were more expensive and custom ways to connect computers, but Ethernet was the first network technology supported by Linux. How will 10GigE fair in the Linux HPC sector?

There seems to be two populations of users in the HPC sector. The first is the power user who pushes the hardware to its limits in terms of scalability and performance. These users choose InfiniBand as their interconnect and often consider Ethernet as a lower-speed supplemental network. The second type of user wants a low-cost commodity network with which they are familiar. For these users, Ethernet is often a popular choice, if not the only choice.

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