Posts Tagged: networking

OVS and OVN Explained: The Networking Stack Behind OpenStack

Posted by & filed under Development, Tools.

Open vSwitch gave us a programmable dataplane. Open Virtual Network added a control plane. Together they power Neutron in most OpenStack clouds. This tutorial explains the architecture, compares OVS vs. OVN, and shows how to trace a packet from instance to instance in OpenStack. You’ve deployed two instances on different compute nodes. Same tenant. Same… Read more »