[ovs-discuss] Inband Network Telemetry with OVS

Ben Pfaff blp at ovn.org
Fri Aug 11 15:31:04 UTC 2017


On Fri, Aug 11, 2017 at 10:56:59AM +0000, Gulenko, Anton wrote:
> Dear OVS devs and community,
> 
> I would like to experiment with Inband Network Telemtry (INT) on OVS (http://p4.org/wp-content/uploads/fixed/INT/INT-current-spec.pdf).
> So far I did not find any direct support for this, so my first question is: did I miss something?
> 
> If not, my second question is: where would you suggest to start?
> I found some prototyping effort on making a P4-enabled OVS (https://github.com/blp/ovs-reviews/releases/tag/p4-workshop), but it seems very rudimentary.
> So I suppose my best bet would be to dig into the datapath code and implement some prototypical INT support there?
> 
> Are there any thoughts or plans on supporting P4's idea of INT in the OVS community?

Probably, the best place to start for now is PISCES, which is a
P4-enabled version of Open vSwitch:
        http://pisces.cs.princeton.edu/


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