Understanding ML2 Port Binding

The Modular Layer 2 (ML2) core plugin underlies the majority of Neutron deployments, including those using the reference Open vSwitch and Linux Bridge L2 agents, as well as various vendor-specific solutions. If you've deployed, operated, or even just used an ML2-based setup, you may have encountered "binding failed" errors, and wondered what could have gone wrong. Or you may just want to better understand how ML2 works and what it can do. The focus of this session, ML2's "port binding", is the p

[honghuixiao]

For the nova/neutron interaction, it seems that the nova-compute, instead of nova-server, will create/update the port. I am using OpenStack Pike version. Maybe something changes.

[sumithsps]

Not at all good information. There is a total mess on the ground