Hi! We are evaluating the migration of our private cloud of several thousand VMs from multi-host nova-network to neutron/DVR. For historical reasons, we currently use a single tenant because group administration is made outside openstack (users don't talk to OS API). The number of compute nodes we have now is approx. 400, and growing.
My question is: Srictly regarding the scalability and performance fo the DVR/Neutron virtual networking components inside compute nodes (OVS virtual switches, iptables, VXLAN tunnel mesh, etc.), should we mantain this single-tenant / single-network architecture in Neutron/DVR? Or should we partition our next cloud into several tenants each corresponding to different groups/verticals inside the company, and possibly each with their several private networks? Thanks!
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