Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Thursday 13 May 2010 23:48:22 Nathan Stratton wrote: > On Thu, 13 May 2010, Michael Iverson wrote: > > You'll probably be better off looking at an infiniband-based solution. I > > just picked up two dual port Mellanox 10G 8x PCIe cards and a 1m cable > > for under US$200. > > > > Aside from just bandwidth, the other advantage 1/4 of the latency of a > > gigabit ethernet setup, although my suspicion is that you might lose some > > of this advantage after your packets traverse through the IPoIB layers. > > > > As I'm still waiting on my ebay purchases to arrive, I might come to > > regret this advice once I actually try to set it up and configure it. > > *Caveat Emptor.* > > Doubt it, I have bought ebay infiniband for our LAB and 3 production POPs. > So far we have not had any problems, like you said the latency and speed > is quite worth it. http://www.robotics.net/2009/07/30/infiniband/ > > ><> > > Nathan Stratton CTO, BlinkMind, Inc. > nathan at robotics.net nathan at blinkmind.com > http://www.robotics.net http://www.blinkmind.com > Mmm, amazing numbers. Two things though: - buying second hand gear is a valid option for own networks, but harder to offer to clients. They expect stuff with warranty obviously - disks are still going to present bottlenecks; It seems to me you would be using like a small percentage of infinibands potential Rgds, B.