On 9 Apr 2009, at 13:54, Sridhar Ayengar wrote: Brian Hechinger wrote: On Wed, Apr 08, 2009 at 11:18:14PM -0400, Sridhar Ayengar wrote: Sampsa Laine wrote: So if I have two dual port PCI cards, one in machine 1, one in machine 2, I wire them: 1.A. -> 2.B 2.A -> 1.B No, 1. A -> B 2. B -> A Which is exactly what Sampsa said in the first place. Ignore him, Sampsa, you have the right idea. It was a poor attempt at humor. Yeah I looked at that at went like "hold on, that'll connect each machine to itself." Very secure from the confidentiality and intergrity point of view I suppose, leaves something to be desired on the availability front.