[zeromq-dev] Mellanox VMA - an interesting library to compare with ZeroMQ

Steven McCoy steven.mccoy at miru.hk
Tue May 17 21:56:14 CEST 2011

On 18 May 2011 03:41, Daniel Holth <dholth at gmail.com> wrote:

> "Mellanox VMA 5.0, in conjunction with ConnectX®-2 adapters"
> It's a TCP/IP stack running on hardware. I gather from the advertisement
> that the software gets traffic to/from the hardware with less OS between.
> Sounds like an enterprise version of the Killer NIC.

Killer NIC is just a weak implementation of a TCP offload Engine (ToE), it
doesn't help for UDP as all the same overheads are still present.  Mellanox
and Solarflare's solutions are about moving everything to user-space
removing the overhead of kernel context and using high performance NICs with
DMA to and from user-space buffers to keep control of the IP stack in
the administrators hands.

Check the Google presentation from Solarflare a while back:


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