Hi all, We're in the middle of a transition from Icehouse release with a network model using nova-network and a single VLAN to Kilo release. With Kilo we would like to use Neutron and multiple VXLAN tunnels, so I just wondering if someone has pass throw a similar scenario and how do you resolved it? Is better to have only one vRouter? or many? is there any known limitations? We've almost 1000 physical servers and 5000 instances.
Another concern is how can we expose the new instances born inside of this "tunnel" layer (Kilo release) to our existing non-VxLAN scenario (Icehouse), we've many different types of applications like DBs, load balancers, webservices, etc. We would like to avoid the use of floating ip addresses assigned to every instance and also avoid any SPoF and bottlenecks on the network nodes. Ideas? possible types of architectures to use here? Also Is neutron stable at Kilo release or is better to go with another OpenStack release that has Neutron more developed for production? Thanks in advance, Best, *German*
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