[Starlingx-discuss] How low latency implemented in STX?

[open infra]

Hi
On Thu, Feb 18, 2021 at 8:50 PM Jones, Bruce E <bruce.e.jones at intel.com>
wrote:

> There are several low latency features in StarlingX, depending on what you
> mean by low latency.
>

I just asked to understand as 'ultra-low latency'  feature is mentioned in
the stx web site.


>
> StarlingX supports the rt-linux kernel, which significantly improves
> kernel scheduling and reduces rt application latency.
>

So, we use low latency profile with RT kernel?
Or customized profile that specific to stx?


>
> It also supports OVS DPDK, which greatly reduces network packet delivery
> latency, which I believe is only supported today in Neutron.  There is work
> in progress in the communitfeature y to enable DPDK in Kubernetes but AFAIK
> that work has not yet been picked up by StarlingX.
>

Thanks for sharing this information.

Could be a dumb question:
Does it provide any specific protocols to improve the performance of video
streaming etc?


>
>      brucej
>
>
>
> *From:* open infra <openinfradn at gmail.com>
> *Sent:* Thursday, February 18, 2021 7:12 AM
> *To:* starlingx-discuss at lists.starlingx.io
> *Subject:* [Starlingx-discuss] How low latency implemented in STX?
>
>
>
> Hi,
>
>
>
>
>
> I would like to know how low latency implemented in StarlingX.
>
> - Is it implemented only in starlingx itself
>
> or
>
> Is it implemented in Kubernetes shipped with starlingx?
>
> Any optimization has been done to Neutron (under OpenStack) in order to
> achieve low latency with virtualized networking?
>
> or do we use exact same upstream OpenStack components under StarlingX?
>
>
>
> Regards,
>
> Danishka
>
>
>
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