I originally objected to IP per pod given that it was so early in wide scale deployment of SDN on metal (at Red Hat, a year before Kube 1.0, we were already wor

I originally objected to IP per pod given that it was so early in wide scale deployment of SDN on metal (at Red Hat, a year before Kube 1.0, we were already worried about how in the world we could support IP per pod as well as on gce). In light of everything, I think it was the right decision. While VXLAN is cumbersome, IP per entity allows very powerful integration into existing networks, fits well with almost all tools in the space, and makes apps much easier to run. I do still want to see more solid work done for programmable BGP (calico) and programmable iptables (Contiv) and even programmable routers (it's not that hard to program routers on the fly today, just incredibly specific to each technology). I also look forward to being able to exploit tools like ECMP more effectively within the cluster to do L3 load balancing and DSR - much of that would be a lot harder without being able to rely on endpoints everywhere.