[openstack-dev] [ptg][nova][neutron] modelling network capabilities and capacity in placement and nova neutron port binding negociation.

Sławek Kapłoński slawek at kaplonski.pl
Mon Sep 11 19:05:04 UTC 2017


I’m also interested in this as it can help to provide guarantee minimum bandwidth for instances.

Sławek Kapłoński
slawek at kaplonski.pl

> Wiadomość napisana przez Mooney, Sean K <sean.k.mooney at intel.com> w dniu 11.09.2017, o godz. 11:11:
> Hi everyone,
> I’m interested in set up a white boarding session at the ptg to discuss
> How to model network backend in placement and use that info as part of scheduling
> This work would also intersect on the nova neutron port binding  negotiation
> Work that is also in flight so I think there is merit in combining both topic into one
> Session.
> For several release we have been discussing a negotiation protocol that would
> Allow nova/compute services to tell neutron what virtual and physical interfaces
> a hypervisor can support and then allow neutron to select from that set the most appriote
> vif type based on the capabilities of the network backend deployed by the host.
> Extending that concept with the capabilities provided by placement and trait
> Will enable us to model the network capablites of a specific network backend
> In an scheduler friendly way without nova needing to understand networking.
> To that end  if people are interested in  having a while boarding session to dig
> Into this let me know.
> Regards
> Seán
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