Wanted to let you all know that Robert Starmer and I will be presenting a session at the OpenStack Summit this week on the new pluggable IPAM features that were added in the Liberty release.
https://www.openstack.org/summit/austin-2016/summit-schedule/events/7078 We'll be going over the pluggable architecture and why IPAM is important, etc and will have a demo of the IPAM driver we wrote for the Romana <http://romana.io/> project. What's not mentioned in the session description is that we're going to show OpenStack running on a bunch of physical servers with VM instances that are running a Kubernetes cluster. We'll show pods, replication controllers, etc. This part is all pretty familiar to people that have seen Kubernetes demos.... However, what I think is new and interesting is that the OpenStack VMs are running on a fully routed physical network and the Kubernetes pods are ALSO running on their own routed physical network. No overlay for OpenStack. No overlay for k8s. Really simple and really fast. All the routing is done in the standard kernel so there are no kernel modules or anything else in the datapath. Network isolation and policy is applied on the hypervisor via iptables. I know there is a lot of work going on to handle nested containers by coordinating overlays, etc. but thought you might be interested in seeing how these problems can be address in a simple and easily understandable way with intelligent IPAM and route control. If you're at the summit, hope you can make it. Thanks CM ᐧ
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