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I like Infiniband, I like the speed and the built in management protocols. Much better than Ethernet.
I even use point to point SDR IB networking at home for NFS & SAMBA because 10Gb enet is such a rip-off price-wise.
So when I saw the graphic at the end of the article I was pretty excited because I thought it was showing miniPCI IB card. Too bad it's actually a cable-end.
Still, I look forward to when the supercomputer people start replacing their QDR IB gear with 100Gb+ gear... will be a good time to upgrade to used QDR cards with fibre cables, and get rid of the bulky CX4 copper I have now.