[Ksummit-2012-discuss] [ATTEND] zero copy networking, bridge vs macvtap, co-maintainership, pci
stefano.stabellini at eu.citrix.com
Thu Jun 21 14:51:44 UTC 2012
On Thu, 21 Jun 2012, Michael S. Tsirkin wrote:
> Hi all,
> I'd like to submit my name as someone who would like to attend the Kernel
> Summit this year.
> I'd like to discuss:
> - zero copy networking
> Driving a hardware device from userspace/VM let you use a NIC
> without extra data copies, today, which might improve
> throughput/CPU by about 10% in some setups, but what is the way
> forward for setup that won't/can't dedicate a NIC to an app/VM?
> Work is ongoing on tracking usage of specific pages in
> net core, this addresses one of the requirements, but how to make
> these setups safe against malicious apps/VMs?
> What to do about tcp restransmits etc?
We are working on zero copy networking in the context of xen
netfront/netback and we are facing similar issues.
Ian Campbell would be the best person to participate to this discussion
but he cannot make it. However I should be able to fill in for him.
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