[OOR-Devel] AF_XDP

Albert López alopez at ac.upc.edu
Thu Apr 26 11:01:01 CEST 2018


Hi Lori,

This is a really interesting discover. We will have a detailed a look on 
it and put in our road map list.

Thanks for pointing it

Albert

On 26/04/18 10:33, Lori Jakab wrote:
> Hi OOR developers,
>
> I just became aware of something called AF_XDP in the Linux kernel, 
> which is a technology to allow faster zero-copy transfer of network 
> packets to user space, with hooks to BPF for packet modification. See 
> more information here:
>
> https://lwn.net/Articles/750845/
> https://fosdem.org/2018/schedule/event/af_xdp/ (this link has slides 
> and video recording of the FOSDEM talk)
>
> From the OOR perspective, this could potentially be a solution to 
> improve performance in a self-contained way, without relying on a 
> kernel module (like in the early days of LISPmob), or external 
> dependencies like DPDK or VPP.
>
> I'm not saying that this is a priority, just that it's something that 
> we should be aware of.
>
> HTH,
> -Lori
>
>
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