[CentOS] Ethernet Quad
Alexander Dalloz
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Thu Aug 12 13:27:32 UTC 2010
>> As matter of interest, do these cards offer lower throughput than 4x
>> single 1GB cards?
> Depends mostly on if you are using PCI/PCI-X vs PCI-express. At high bit
> rates you can saturate the old PCI bus. A single gigabit port can pretty
> much saturate a 32-bit PCI bus at 33MHz.
>
> PCI-express can go a lot faster.
> Benjamin Franz
And on current multi CPU / multi core plattforms care to have support for
MSI-X on the motherboard and by the Ethernet controller (for 10Gbe and
virtualization this is even a must to gain maximum performance).
Alexander
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