Tagged: floating ip

Configuring Floating IP addresses for Networking in OpenStack Public and Private Clouds

Recently I outlined how VlanManager works and how it ensures network scalability and tenant isolation. Up to this point, however, I’ve only dealt with fixed IP networks of different tenants. While fixed IPs are what instances are given by default, they do not ensure that the instance is immediately reachable from the outside world (or from the rest of the data center). Imagine the following scenario: Continue reading