[dpdk-users] General Questions

[Stephen Hemminger]

On Thu, 9 Apr 2020 20:57:19 +0530
Shyam Shrivastav <shrivastav.shyam at gmail.com> wrote:

> From my experience as dpdk user
> 
> On Thu, Apr 9, 2020 at 11:41 AM Cristofer Martins <
> CristoferMartins at hotmail.com> wrote:  
> 
> > Well the reason i thought about using dpdk(together with a user space tcp
> > stack) is because my tcp code spend so much time with syscalls that
> > removing that would allow better throughput and latency. Is this a valid
> > reason? My software runs in single core(and most of time in cheap vps) so i
> > want to extract the best i can from them.
> >  
> 
> Yes using dpdk instead of getting packets from kernel stack increases
> performance
> 
> 
> 
> > The other question is, can dpdk runs alongside with the linux network
> > stack? I want to use dpdk in my special app but i still want to have ssh
> > and apps working as expected without any modification.
> >  
> Interface used by dpdk is not available, at least another interface
> required for management/access &  other network apps
> 
> 
> 
> >
> > Thanks in advance.
> >  

This might be a good use case for AF_XDP with or without DPDK