[Xen-users] 10GB Ethernet for Xen - Intel, Solarflare, Mellanox, Which is best?

["Robert Dunkley" <Robert@xxxxxxxxx>]

Hi All,

 

I’m trying to choose between 10Gb Ethernet cards for Xen. The trouble is I'm getting quite confused with all the different terms different companies use to describe NIC's virtualization support. Any ideas what the differences are between these brands?

 

I am trying to sort a comparison table but will need some help:

Feature	Intel ET Series	Mellanox ConnectX	Solarflare
Receive Queues	64	32	?
Transmit Queues	32	?	?
PCI-E Version	2	2	1
Direct IO	No	No	Linux PV Only
Mac/Vlan per port	?	128	4096
IOAT and MSI-X	Yes	Yes	Yes

 

Does the Solarflare chip support multi-queue as well as direct IO? Any other features I should be looking at?

 

Thanks,

 

Rob

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