On Wed, Jun 21, 2017 at 07:31:07AM +0200, Christo Kleu wrote:
> Comments inline
> Note: some of these comments might already be outdated
> 
> Regards,
> Christo Kleu
> 
> On Mon, Jun 19, 2017 at 6:22 PM, Cooper, Trevor <trevor.coo...@intel.com>
> wrote:
> 
> 
>     I am collecting feedback about VSPERF from users and contributors … the
>     main purpose is to help me motivate for our ongoing investment in the
>     project. I already approached a few people … even if you have already 
> given
>     feedback feel free to add anything else.
> 
>      
> 
>     1.       How do you use VSPERF or plan to use VSPERF?
> 

Not currently using. Planned use is to compare OVS with smart NICs, and
to verify that the OVS settings from OpenStack are not too far from
optimal.

> 
>     2.       Why do you think VSPERF is an important project in OPNFV, what 
> are
>     the main benefits of the project that you foresee?
> 

Virtual switching is the main bottleneck in NFV, so it is worth spending
extra effort on it. Using a VIM to configure the virtual switch leaves
the possibility that the configuration is non-optimal. Finally, it is
difficult to run a representative set of tests without VSPERF, since the
performance of a virtual switch can depend heavily on eg the number of
flows, number of source MACs/IPs, port numbers etc.

> 
>     3.       What are major gaps or features that you would like to see in
>     VSPERF that are not there today?
> 

I think we all would like to know how much time a packet spends on the
NIC, in the vswitch, vNIC, VM, etc. Not sure if this is realistic.

> 
>     4.       Anything else?
> 
>      
> 
>      
> 
>     Thanks
> 
>      
> 
>     /Trevor
> 
>      
> 
>    
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> 
> 

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