Is There a Place for a $500 Ethernet Card?

prostoalex writes "ComputerWorld magazine runs a story on Level 5 Networks, which emerged from the stealth startup status with its own brand of network cards and software called EtherFabric. The company claims they are reducing the load on the servers CPUs and improve the communications between the servers. And it's not vaporware: 'The EtherFabric software shipping Monday runs on the Linux kernel 2.4 and 2.6, with support for Windows and Unix coming in the first half of next year. High volume pricing is $295 for a two-port, 1GB-per-port EtherFabric network interface card and software, while low volume quantities start from $495.'"

Comments

Re:A look into the past

[bluelip]

I've noticed a slowdown in computer response when using gig cards and moving lotsa' data. I thought the bottleneck may have moved to the file systems. Didn't seem to be the case as pumping dummy data throught the nic also caused issues.

I didn't pursue it far enough to see where where the actual problem was. These cards may help, but my money is on a faster cpu.

Um, no.

[holysin]

If you have a machine (say on a machine running linux kernel 2.4.20-30.9smp) with a built in gig port (say with eth0 identified as eth0: Tigon3 [partno(BCM95704A6) rev 2003 PHY(5704)] (PCI:66MHz:64-bit) 10/100/1000BaseT) connected to a decent gigabit switch, and another machine (same card, same os)with a gigabit card, those two machines will achieve 940Mbps talking to each other (results via iperf, 0.0-10.0 sec 1.09 GBytes 940 Mbits/sec).

However, if you plug a windows box (2000 or xp, didn't have a 2003 handy) with either an add on card, OR built in gig (2000 vs xp) you get a rather less impressive figure of 550-630. Coincidentally, you'll get the same basic number if you run two instances of iperf on the same computer... This tells me the bottleneck isn't the PCI bus, it's the OS. If you can prove me wrong please do so...