Openstack Neutron: L2 Networking In Depth

Openstack networking is often a wondrous, complex and perplexing beast to the uninitiated. This post is my attempt to dissect a portion of the Openstack networking stack to figure out how it works. There will be a bit of history, code, and theory - something for everyone. When you start to explore Openstack, you quickly realise that it is extremely flexible in the range of technologies and vendor specific physical equipment it supports - especially when it comes to networking.