I have been reading about 10 GigE (10 Gigabit Ethernet) lately. It seems 10 GigE is starting to enter the cluster picture. There are some things to consider, but in general, “Good Old Ethernet” is taking its next big jump. I am convinced that over the next year there will be a significant up-tick in 10 GigE HPC clusters.
Why am I certain about this prediction (vague as it may be)? It is quite simple, if history is any guide, Ethernet is going to keep on rolling. Before I begin my nostalgia laced discussion of Ethernet, let me be the first to say, I do not believe in all-or-nothing scenarios (at least in HPC). InfiniBand (IB) is not going anywhere. There is room for IB and 10 GigE, just like there are different types of cars...
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Linux Kernel Development How Fast it is Going, Who is Doing It, What They are Doing, and Who is Sponsoring It: An August 2009 Update